ALGEBRA 1 HW!! I WILL GIVE BRAINLYEST PLEASE HELP​

ALGEBRA 1 HW!! I WILL GIVE BRAINLYEST PLEASE HELP

Answers

Answer 1

The value of f(9), the y-intercept, and the equation will be -3, 15, and f(x) = -2x + 15, respectively.

Given that:

Points, (-1, 17) and (4, 7)

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

The equation of the line passing through (-1, 17) and (4, 7) is given as,

(y - 17) = [(7 - 17)/(4 + 1)](x + 1)

y - 17 = -2x - 2

f(x) = -2x + 15

The value of f(9) is calculated as,

f(9) = -2(9) + 15

f(9) = - 18 + 15

f(9) = - 3

The graph is given below.

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ALGEBRA 1 HW!! I WILL GIVE BRAINLYEST PLEASE HELP

Related Questions

Find the value of x. Round to the
nearest tenth.
12
X =

Answers

The measure of the angle x is 70.53 degrees

How to determine the value of the angle

It is important to know that trigonometric identities are defined as equalities that relate to different trigonometric functions and also holds true for any value of the variable that is in the domain.

There are different trigonometric identities namely;

tangentcosecantsecantsinecosinecotangent

The ratio for the identity cosine is;

cos θ = adjacent/hypotenuse

substitute the values, we get;

cos x = 4/12

divide the values

cos x = 0. 3333

Take the inverse cosine of the values

x = 70. 53 degrees

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Write a function rule P(m) to represent Evelyn’s profit per mask so that she can always find what her profits will be for any amount of masks (m) she sells.

Answers

By answering the presented question, we may conclude that Evelyn will equation need to sell roughly 281 masks in order to cover her initial project expenditures and begin generating a profit.

What is equation?

A math equation is a technique that links two assertions and denotes equivalence using the equals sign (=). In algebra, an equation is a mathematical statement that proves the equality of two mathematical expressions. For example, in the equation 3x + 5 = 14, the equal sign separates the numbers 3x + 5 and 14. A mathematical formula may be used to understand the link between the two phrases written on either side of a letter. The logo and the programmed are usually interchangeable. As an example, 2x - 4 equals 2.  

Initially, we must determine the entire cost of producing and transporting one mask:

Total cost per mask = $1.25 plus $2.15 for delivery = $3.40

Profit per mask is selling price minus total cost per mask, which equals $5 - $3.40 = $1.60.

As a result, Evelyn will profit $1.60 for each mask she sells. We may use the following calculation to calculate how many masks she needs to sell to recoup her $450 initial project costs:

Total beginning project expenditures / profit per mask = number of masks to sell

Total number of masks to be sold = $450 / $1.60 per mask = 281 masks

Evelyn will need to sell roughly 281 masks in order to cover her initial project expenditures and begin generating a profit.

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Determine which translations would map Figure F onto Figure G.

Press "try" to test a translation or sequence of translations.

Figure G

12 11

Figure F

-12-11-10-9 -8 -7

5 6 7 8 9 10 11 12

-10 11

A translation ___ units and ___ units.

Answers

The translations that would map Figure F onto Figure G are given as follows:

A translation right 4 units and up 3 units.

What is a translation?

A translation happens when either a figure or a function are moved horizontally or vertically on the coordinate plane.

The four translation rules for coordinates are defined as follows:

Translation left a units: (x,y) -> (x - a, y).Translation right a units: (x,y) -> (x + a, y).Translation up a units: (x,y) -> (x, y + a).Translation down a units: (x,y) -> (y - a).

The rule applied to the coordinates of each point on the figure F to obtain Figure G is given as follows:

(x,y) -> (x + 4, y + 3).

Hence the translation is defined as follows:

4 units right.3 units up.

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Récrire sous forma an
(5^2)^3×7^2×7^3

Answers

Answer:

262609375 is the answer.

Suppose that you are offered the following "deal." You roll a six sided die. If you roll a 6, you win $6. If you roll a 2, 3, 4 or 5, you win $2. Otherwise, you pay $7.

Answers

Answer:

what do you want to ask dear?

Step-by-step explanation:

A chef need to 12 pound of sliced carrots. This preparation of carrots has a yield percent of 86. What he peed quantity of carrots does the chef need to pull from the walk-in?

Answers

The chef would need to pull 14.07 lb of carrots from the walk-in in order to have 12 lb of sliced carrots after preparation.

What is quantity?

Quantity is the amount or magnitude of something. It can be measured in terms of units, such as length, weight, volume, area, speed, temperature and time. Quantity also refers to the size or number of something, such as the number of items in a package or the number of people in a room. In mathematics, quantity is usually represented by a number or symbol.

In order to calculate the quantity of carrots the chef needs to pull from the walk-in, we can use the following formula:

Quantity Needed = 12 lb / 0.86 (yield percent)

Therefore, the chef would need to pull 14.07 lb of carrots from the walk-in in order to have 12 lb of sliced carrots after preparation.

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The chef would need to pull 14.07 lb of carrots from the walk-in in order to have 12 lb of sliced carrots after preparation.

What is quantity?

Quantity is the amount or magnitude of something. It can be measured in terms of units, such as length, weight, volume, area, speed, temperature and time. Quantity also refers to the size or number of something, such as the number of items in a package or the number of people in a room. In mathematics, quantity is usually represented by a number or symbol.

In order to calculate the quantity of carrots the chef needs to pull from the walk-in, we can use the following formula:

Quantity Needed = 12 lb / 0.86 (yield percent)

Therefore, the chef would need to pull 14.07 lb of carrots from the walk-in in order to have 12 lb of sliced carrots after preparation.

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Evaluate the following using Cauchy Integral Theorem; The integral of 3z+1/(z(z-2)^2)

Answers

Hence, in response to the provided question, we can say that As a result, derivatives the integral has a value of -i/2.

what is derivative?

In mathematics, the derivative of a function with real variables measures how sensitively the function's value changes in reaction to changes in its parameters. Derivatives are the fundamental tools of calculus. Differentiation (the rate of change of a function with respect to a variable in mathematics) (in mathematics, the rate of change of a function with respect to a variable). The use of derivatives is essential in the solution of calculus and differential equation problems. The definition of "derivative" or "taking a derivative" in calculus is finding the "slope" of a certain function. einsteinerupload of. Derivatives are rate of change metrics that apply to almost any function.

To use the Cauchy Integral Theorem to evaluate the integral (3z+1)/(z(z-2)2), we must first determine whether the function has any singularities in the region we are integrating across.

We can write the function to find the residue at z=0 as:

A/z + B/(z-2) + C/(z-2)2 = (3z+1)/(z(z-2)2)

3z+1 = A(z-2)^2 + Bz(z-2) + Cz

When we set z=0, we get:

1 = 4A

So, A = 1/4.

Set z=2 in the following equation and its derivative to determine B and C:

9 = 4B + 2C

3 = 4A - 2B - C

B = -1/2 and C = 7/4.

So, A=1/4 is the remnant at z=0, while B=-1/2 is the residue at z=2.

Applying the residue theorem, the integral is as follows:

dz = 2i [Res(z=0) + Res(z=2)] = 3z+1/(z(z-2)2

= 2πi [1/4 - 1/2]

= -πi/2.

As a result, the integral has a value of -i/2.

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Question 1
Find the unpaid balance, new interest, and purchasing power on the credit card after the minimum monthly payment is made. The interest charge for unpaid balances is 18% per year.
Credit Card Balance = $5000
Credit Limit = $5000
Minimum Payment = $125.00

Answers

The credit card's outstanding amount is [tex]4875[/tex], the new interest rate is [tex]75[/tex], as well as the buying power is [tex]50[/tex] after paying the required minimum payment of [tex]125[/tex].

What does the word "interest" mean?

The urge to become interested with something, give it your whole attention, and learn more about it My entire life, astronomy has captivated me. He never seems to be concerned about his children.

Why is there an interest?

You pay the interest on almost any loans and bank debt of money. The proportion of the loan balance used by lenders to compute interest. Clients who lend money can earn interest

We determine the monthly interest charge,

Interest charge = (1.5% per month) [tex]*[/tex] (5000 unpaid balance)

Interest charge [tex]= 75[/tex]

The new overdue debt is obtained by deducting the minimum monthly payment from the original unpaid balance:

Unpaid balance [tex]= 5000 - 125[/tex]

Unpaid balance [tex]= 4875[/tex]

we add the interest charge to the new unpaid balance to get the new balance:

New balance [tex]= 4875 + 75[/tex]

New balance [tex]= 4950[/tex]

Lastly, we may determine the purchasing power by deducting the new balance from the credit limit:

Purchasing power [tex]= 5000 - 4950[/tex]

Purchasing power [tex]= 50[/tex]

Therefore the unpaid balance on the credit card is [tex]4875[/tex], the new interest charge is [tex]75[/tex], and the purchasing power is [tex]50[/tex].

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school library House 12345 books in English language 7842 books in French 32178 books in Arabic and 7116 books in other languages what is the ratio of the books in other languages to the rest of the books in the library​

Answers

The ratiο οf bοοks in οther languages tο the rest οf the bοοks in the library is 204 : 1505.

What is Ratiο?

A ratiο is a way οf cοmparing twο quantities by expressing the relatiοnship between them in terms οf their relative sizes. It is usually written in the fοrm οf a fractiοn οr using a cοlοn (:).

The tοtal number οf bοοks in the library is:

12345 + 7842 + 32178 + 7116 = 59481

The tοtal number οf bοοks in languages οther than English, French, and Arabic is:

7116

The ratiο οf bοοks in οther languages tο the rest οf the bοοks in the library is:

7116 : (59481 - 7116) = 7116 : 52365

Simplifying this ratiο by dividing bοth numbers by their greatest cοmmοn factοr gives:

7116 : 52365 = 204 : 1505

Therefοre, the ratiο οf bοοks in οther languages tο the rest οf the bοοks in the library is 204 : 1505.

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Find the value of x. (Pic)

Answers

x=122
x+101+79+58=360
x=360-101-79-58
x=122

122°

Step-by-step explanation:

the formula is (n-2)180

n = the number of sides of a polygon

in this case (n-2)180;

=(4-2)180

=(2)180

=360 the total interior angle

add everything and minus them with the total interior angle to get your answer

The number of bags of chips sold in a month is tracked and follows a normal distribution. After 2 years the mean is found to be 2.4 million, with a standard deviation of 0.3 million. What is the chance (percentage) that between 1.8 and 2.1 million bags are sold on a random month?

Answers

Answer:

The normal distribution has the same mean as the original distribution and a variance that equals the original variance divided by, the sample size.

Step-by-step explanation:

Please see the picture. Can anyone help me whats the correct arrangement of cooking? Thank you

Answers

According to the information, the correct order of the steps would be: 5, 2, 3, 6, 7, 4, 1.

How to organize the steps properly?

To properly organize the steps we must read each one of them and identify the procedure they are describing. In this case, they are describing the procedure for cooking a fried food. According to the above, the steps to follow would be:

5. Wash your hands.

2. Take strips out of the freezer and put a maximum of 15 into a basket. Lower the basket into preheated oil.

3. Start the strip' timer by pressing the button on the front of the fryer.

6. When the timer sounds, shake the basket once during cooking without removing the basket from the oil.

7. When the timer sounds, remove the basket from the fryer and drain well.

4. Hold food in warming drawer or cabinet. Press the strips' hold timer button on the cabinet timer.

1. Use tongs to place strips in the package (3 for a small order, 5 for a large order).

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What is the area of the triangle in the coordinate plane?

(A) 36 units²

(B) 38 units²

(C) 66 units²

(D) 72 units²
_______________________________
(reporting wrong/spam answers)
(giving brainliest to correct answers)
_______________________________

Answers

The answer should be 36 units squared.

Area of a triangle = 1/2(bh)

base = 11-3 = 8
height = 12-3 = 9

9 • 8 = 72

72/2 = 36

The area of the triangle in this coordinate plane will be 36 square units. Then the correct option is A.

What is the area of the triangle?

Assume 'h' is the height of the triangle and 'b' be the base of the triangle. Then the area of the triangle is given as,

[tex]\text{A} = (\dfrac{1}{2} ) \times h\times b[/tex]

From the graph, the length of the height of the triangle is 9 units and the length of the base of the triangle is 8 units. Then the area is given as,

[tex]\text{A} = (\dfrac{1}{2} ) \times 9\times 8[/tex]

[tex]\text{A = 36 square units}[/tex]

The area of the triangle in this coordinate plane will be 36 square units. Then the correct option is A.

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# of rolls per trial 20 50 100
# of times a 3 was rolled 8 18 30
Julia made a die for a game. It had 5 faces, labeled 1-5. Because of the shape of the die, it was biased in favor of rolling a 3. We do not know the amount of bias. She experimented to extimate how likely it was for a 3 to be rolled and her results are in the above table.

In question #1, you found the best estimate of the probability of rolling a 3. Using that estimate, how many times would a 3 be rolled after 200 rolls?

Answers

We can conclude after answering the provided question that We can estimate that a 3 would be rolled probability 71 times after 200 rolls if we round off to the nearest integer.

What is probability?

Probability is a way of measuring of how likely an event is to occur. It is represented by a number respectively 0 and 1, with 0 representing an unlikely event and 1 representing an unavoidable event. Switching a valid coin and coin flips has such a probability of 0.5 or 50% because there are two equally likely outcomes. (Heads or tails). Probability theory is a branch of mathematics that studies random events instead than their properties. It is applied in many fields, including facts and figures, finance, science, and construction.

Based on the information provided, the estimated probability of rolling a 3 can be calculated as follows:

8/20 = 0.4 for 20 rolls

18/50 = 0.36 for 50 rolls

For 100 rolls: 30/100 = 0.3

We can take the average of these values to get the best estimate:

(0.4 + 0.36+ 0.3) / 3 = 0.3533

As a result, the best estimate of the likelihood of rolling a 3 is 0.3533.

We can estimate the number of times a 3 would be rolled after 200 rolls using this probability as:

The number of times a 3 would be rolled equals the probability of rolling a 3 multiplied by the number of rolls.

= 0.3533 x 200

= 70.66

We can estimate that a 3 would be rolled approximately 71 times after 200 rolls if we round off to the nearest integer.

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A bottle of orange juice contains 64 fluid ounces.how many cups of orange juice are in three bottles

Answers

A bottle of orange juice contains 64 fluid ounces. The percent of bottle of orange juice is water is 75% and there are 48 cups of orange juice are there in bottles.

Percentage:

In mathematics, a percentage is a number or a ratio that can be expressed as a fraction of 100. If we need to calculate a percentage of a number, we divide the number by a whole number and multiply by 100. So , percent means one hundredth and the word percent means every 100th. It is represented by the symbol "%".

Using this formula

Percentage = Ounces of water/Ounce bottle of orange juice

Where:

Ounces of water = 48 ounces

Ounce bottle of orange juice = 64 ounce

Let plug in the formula

Percentage = 48/64

Percentage = 0.75×100

Percentage = 75%

Therefore,

the percent of bottle of orange juice is water is 75%.

Complete Question:

A bottle of orange juice contains 64 fluid ounces. how many cups of orange juice are in three bottles. What percent of bottle of orange juice is water

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Answer:

the percent of bottle of orange juice is water is 75%.

Step-by-step explanation:

A passenger train has tickets available for 12 window seats and 8 aisle seats. The next person to buy a ticket will be randomly selected to one of those seats. What is the probability that the next passenger will be assigned to an aisle seat?

Answers

The answer is 2/5.

There is an 8/20 chance that the next person will receive a window seat. You simplify that probability to get your answer. 8/20 becomes 2/5. So the answer is 2/5.

Two cyclists are departing from the same coffee shop. Cyclist A leaves one hour later than Cyclist B (as they are having another coffee), and will cycle north at 15mph. Cyclist B travels west at 12mph. Find the rate at which the distance between the two cyclists is changing three hours after Cyclist B departs.

Answers

To solve this problem, we can use the Pythagorean theorem to relate the distance between the two cyclists to the distance each has traveled. Let's call the distance between the two cyclists "D", and let's call the distance Cyclist B has traveled "x" (in miles). Then, the distance Cyclist A has traveled is "x - 15" (since A leaves one hour later than B).

According to the Pythagorean theorem, we know that:

D^2 = (x - 15)^2 + x^2

To find how fast D is changing with respect to time (in this case, three hours after Cyclist B departs), we can take the derivative of both sides of the equation with respect to time:

2D(dD/dt) = 2(x - 15)(dx/dt) + 2x(dx/dt)

Simplifying this equation, we get:

dD/dt = [(x - 15)(dx/dt) + x(dx/dt)] / D

Now, we need to find x and dx/dt three hours after Cyclist B departs. Since Cyclist B travels at a constant speed of 12mph, we know that x = 12t = 36 (since three hours have elapsed). We also know that dx/dt = 12, since B is traveling at a constant speed.

Plugging these values into the equation above, we get:

dD/dt = [(36 - 15)(12) + 36(12)] / D
dD/dt = 21(12) / D
dD/dt = 252 / D

We still need to find D to get our final answer. Using the Pythagorean theorem again, we know that:

D^2 = (36 - 15)^2 + 36^2
D^2 = 441
D = 21

Plugging this value of D into our equation for dD/dt, we get:

dD/dt = 252 / 21
dD/dt = 12 mph

Therefore, the rate at which the distance between the two cyclists is changing three hours after Cyclist B departs is 12 mph.

Which graph shows the solution set of the inequality 2x10x+16/x-3>0

Answers

So the correct option is (d), for that we have know little bit about graph because graph is helpful to represent points.

What is Graph?

A diagram that depicts the relationship between two variables, usually (generally)  measured along opposite axes in a pair, is used.

We have that means given,

[tex]\frac{x^{2} +10x+16}{x-3} > 0[/tex]

[tex]\frac{(x+2)(x+8)}{x-3} > 0[/tex]

So,

(a). (x +2) >0                                      

(x +8) > 0                        

[tex](x - 3) > 0 \implies x > 3[/tex]

(b). (x +2) < 0

(x +8) < 0

[tex](x - 3) > 0 \implies No\ Solution[/tex]

(c). (x +2) > 0

(x +8) < 0

[tex](x - 3) < 0 \implies No \ Solution[/tex]

(d). (x +2) < 0

(x +8) > 0

[tex](x - 3) < 0 \implies -8 < x < -2.[/tex]

[tex]So, -8 < x < -2 \ or\ x > 3[/tex]

Therefore the 4th graph is right.

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Solve the indefinite integral (linear):

Answers

Answer:

[tex] \rm \: a. \: \displaystyle \int \rm \: (3 {x}^{2} + 4x)dx[/tex]

[tex] = \displaystyle \int \rm 3 {x}^{2} dx + \displaystyle \int \rm4x \: dx[/tex]

[tex] \rm = 3 \displaystyle \int \rm {x}^{2} \: dx + 4\displaystyle \int \rm \: x \: dx[/tex]

[tex] \rm \: = 3 \times \dfrac{ {x}^{3} }{3} + 4 \dfrac{ {x}^{2} }{2} + c[/tex]

[tex] \boxed{\rm = {x}^{3} + 2 {x}^{2} + c}[/tex]

[tex]b. \displaystyle \int \rm \bigg( \dfrac{1}{ {t}^{2} } + \sqrt{t} \bigg)dt[/tex]

[tex] = \displaystyle \int \rm \frac{1}{ {t}^{2} } dt + \displaystyle \int \rm \sqrt{t} \: dt[/tex]

[tex] = \displaystyle \int \rm \: {t}^{ - 2} dt \: +\displaystyle \int \rm {t}^{ \frac{1}{2} } dt[/tex]

[tex] \rm \: = \dfrac{ {t}^{ - 1} }{ - 1} + \frac{ {t}^{ \frac{3}{2} } }{ \frac{3}{2} } + c \\ [/tex]

[tex] \rm = - \dfrac{1}{t} + \dfrac{2}{3} {t}^{ \frac{3}{2} } + c \\ [/tex]

[ In Second question I used dt instead of dx ]

I need all of the angles shown please help

Answers

The unknown angles of the kites are as follows:
m∠1 = 90°

m∠2 = 65°

m∠3 = 90

m∠4 = 65°

m∠5 = 25°

How to find the angles of a kite?

A kite is a quadrilateral that has 90° angles at the point of intersection of the two diagonals. The sum of angles in a kite is 360 degrees.

Therefore, the diagonal of a kite bisect each other at right angle.

Diagonals also bisect each angles.

Using the diagonal theorem of the kite,

m∠1 = 90 degrees

m∠2 = 180 - 25 - 90 = 65 degrees(sum of angles in a triangle)

m∠3 = 90 degrees

m∠4 = 65 degrees(Base angles of an isosceles triangles are congruent)

m∠5 = 25 degrees

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I will mark you brainiest!


If the triangle above is translated two units to the right, what is the correct coordinate for A'?

A) A'(5, 5)

B) A'(5, 0)

C) A'(0, 5)

D) A'(0, 0)


If the triangle above is reflected over the y-axis, what is the correct coordinate for A'?

A) A'(0, 5)

B) A'(2, 5)

C) A'(5, 2)

D) A'(-5, -2)

Answers

Answer:

Step-by-step explanation:

1. (0,5) or A

2.(2,5) or B

Use set-builder notation to indicate set numbers as described.
Answer
4
The set of all real numbers between 1 and 3, including 1

Answers

The set of all real numbers between 1 and 3, including 1 can be represented using set-builder notation as: { x ∈ R | 1 ≤ x ≤ 3 }

set-builder notation:

{ x ∈ R | 1 ≤ x ≤ 3 }

"The set of all x in the set of real numbers such that x is bigger than or equal to 1 and less than or equal to 3" can be understood from this notation. The word "such that" is denoted by the vertical bar "|," and the condition that follows lists the requirements that each element of the set must meet.

When the criteria is "more than or equal to 1" in this instance, the set contains 1. As they also meet the requirement of being "less than or equal to 3," the set also includes all real numbers between 1 and 3. Observe that no numbers outside of the range [1,3] are included in the collection.

In conclusion, the set of all real numbers between 1 and 3, including 1, may be written as x R | 1 x 3 in set-builder notation.

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Which triangle has the greater area? What is its area?
Triangle A
Triangle B
4 cm
8 cm
A. Triangle A: A = 16 cm²
B. Triangle B: A = 15 cm²
C. Triangle A: A = 32 cm²
D. Triangle A: A = 30 cm²
5 cm
6 cm
HELP ASAP PLEASE

Answers

Answer:

A. Triangle A= 16cm^2

Step-by-step explanation:

triangle A area=8×4=32

32÷2=16cm^2

triangle B area= 5×6=30

30÷2=15cm^2

so triangle A has the greater area of 16 cm^2

Answer:

A. 16cm2 triangle

Explanation in detail: triangle A area=84=32 32÷2=16cm^2 area of triangle B = 56=30

30÷2=15cm^2 As a result, triangle A has a bigger area of 16 cm2.

Step-by-step explanation:

2065 Old Q.No. 10 A sum of money put out a compound interest increased by Rs. 180 at the end first year and Rs. 188 10 at the end of second year. Find the rate percent and [5] the sum. Ans: 4.5% p.a., Rs. 4,000​

Answers

If a sum of money put out a compound interest increased by Rs. 180 at the end first year and Rs. 188 10 at the end of second year. The rate is 4.5% and the sum is $4,000.

How to find the rate?

Let the sum of money be x.

After the first year, the amount becomes x+180.

After the second year, the amount becomes (x+180)+188.10 = x+368.10.

Let the rate of interest be r, expressed as a decimal.

Then, using the formula for compound interest, we have:

(x+180) = x(1+r)

(x+368.10) = (x+180)(1+r) = x(1+r)² + 180(1+r)

Subtracting the first equation from the second, we get:

188.10 = x(1+r)² - x(1+r) + 180(1+r)

8.10 = x(r+r²) + 180r

Simplifying this equation, we get a quadratic in r:

r² + r(180/x) - 8.1/x = 0

Using the quadratic formula, we can solve for r:

r = [-180/x ± sqrt((180/x)² + 4(8.1/x))]/2

r = [-180/x ± sqrt((32400/x²) + (32.4/x))]/2

r = (-90/x) ± sqrt((8100/x²) + (8.1/x))

Since r must be positive (since the amount increased), we take the positive root:

r = (-90/x) + sqrt((8100/x²) + (8.1/x))

Substituting the given values of the increase and solving for x, we get:

180 = x[(1+(-90/x)+sqrt((8100/x²)+(8.1/x))) - 1]

180 = x(-90/x + sqrt((8100/x²)+(8.1/x)))

180 = -90 + xsqrt((8100 + 8.1x)/x³)

270 = xsqrt((8100 + 8.1x)/x³)

72900 + 729. x = 729. x²

x² - x(100.1) + 720000 = 0

(x-400)(x-1800) = 0

x = 400 or x = 1800

Since x cannot be negative, we take x = 400.

To find the rate of interest, we use the first equation:

x+180 = x(1+r)

180 = x*r

r = 180/x

r = 180/ 400

r  = 0.45 = 4.5% per annum.

Therefore, the sum of money is Rs. 4,000.

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Select the equation that is true. A. 2 2/3 × 4 = 8 2/3 B. 2 2/3 × 5/8 = 1/2 3 C. 2 2/3 × 2/3 = 2 4/9 D. 2 2/3 × 4 3/5 = 8 6/15

Answers

Answer:

The correct equation that is true is D.

Step by step solved

To multiply mixed numbers, it's usually helpful to convert them to improper fractions first. So we have:

2 2/3 × 4 3/5 = (8/3) × (23/5)

Then we can multiply the numerators and denominators separately:

(8/3) × (23/5) = (8 × 23)/(3 × 5) = 184/15

Finally, we can convert the improper fraction back to a mixed number:

184/15 = 12 4/15

Therefore, the equation 2 2/3 × 4 3/5 = 8 6/15 is not true, but the equation 2 2/3 × 4 3/5 = 8 4/15 is true.

Investment A: $800 compounded continuously at 3.5%
Investment B: $900 compounded quarterly at 3%
a. Which investment would be worth more after 20 years? (2 points)
b. How long will it take investment A to triple?
Round to the nearest tenth of a year. (2 points)

Answers

a. To determine which investment would be worth more after 20 years, we can use the formula for continuous compounding and quarterly compounding respectively:

Investment A: A = Pe^(rt), where P = $800, r = 0.035, and t = 20
A = 800e^(0.035*20) = $1,641.95

Investment B: A = P(1 + r/n)^(nt), where P = $900, r = 0.03, n = 4 (since it's compounded quarterly), and t = 20
A = 900(1 + 0.03/4)^(4*20) = $1,617.45

Therefore, Investment A would be worth more after 20 years.

b. To find out how long it will take Investment A to triple, we can use the formula for continuous compounding:

A = Pe^(rt), where P = $800, A = 3P = $2,400, and r = 0.035
2.4 = 800e^(0.035t)
e^(0.035t) = 3
0.035t = ln(3)
t = ln(3)/0.035
t ≈ 19.9 years

Therefore, it will take Investment A approximately 19.9 years to triple. Rounded to the nearest tenth of a year, it will take 19.9 years.

describe the usefullnes and limitations of these pieces it data in defining who you are as a person or as a student. in what ways do they help give a clear picture

Answers

Statistical scores and rankings in school can be useful for a variety of purposes, such as measuring academic performance, making admissions decisions, and providing feedback for improvement.

Describe types of data and their uses.

The usefulness of statistical scores or rankings in school can vary depending on the context and purpose of their use.

GPA (Grade Point Average) is a common metric used to measure a student's academic performance over time. It is calculated by assigning numerical values to letter grades and averaging them. GPA can be useful for college admissions, scholarships, and job applications, as it provides a quick snapshot of a student's overall academic performance.

SAT and ACT scores are standardized tests used by colleges and universities as part of their admissions process. These scores are designed to measure a student's readiness for college-level work and are often used in combination with other factors, such as GPA and extracurricular activities, to make admissions decisions.

Test scores, such as those from quizzes, exams, or assignments, provide feedback to both students and teachers about the effectiveness of their teaching and learning strategies. These scores can be useful in identifying areas where a student may need additional support or where a teacher may need to adjust their teaching methods.

Class ranking compares a student's academic performance to their peers in the same graduating class. This ranking can be useful for college admissions and scholarships, as it provides a way to differentiate between students with similar GPAs.

Overall, statistical scores and rankings in school can be useful for a variety of purposes, such as measuring academic performance, making admissions decisions, and providing feedback for improvement. However, it is important to keep in mind that these scores should be viewed as one piece of information among many and should not be relied upon as the sole indicator of a student's abilities or potential.

[tex]$$\textbf{Formula:}$$[/tex]

[tex]GPA = \frac{\sum_{i=1}^n (credit_i \times grade_i)}{\sum_{i=1}^n credit_i}[/tex]

SAT and ACT scores = Combination of scores from various sections of the test

Class ranking = Student's position in the graduating class based on their GPA or other academic performance metrics

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Complete Question:

People use data and statistics to help them make important policy decisions, to identify

problems in an organization, and to predict outcomes. In this unit, you studied various

ways to analyze and represent data sets to determine how to best interpret the data.

You also learned how to critically examine the data and account for outside factors that

may influence the patterns you see in the data.

Think about the many statistical scores or rankings you receive in school, such as GPA,

SAT and ACT scores, test scores, and class ranking. Describe the usefulness and

limitations of these pieces of data in defining who you are as a person or as a student.

In what ways do they help give a clear picture? What are they not conveying?

3. Gavin loves to cook. He's even considering a culinary career as a chef as one of his options. He has to plan his classes for next year and has a chance to go to the vocational school and take culinary as his shop class. He knows it would give him great experience, but none of his friends plan to go to the vocational school. What should he do?

Answers

Answer:

The decision of whether Gavin should take culinary as his shop class at the vocational school depends on his personal goals and priorities.

If Gavin is seriously considering a culinary career as a chef, then taking culinary classes at the vocational school could provide him with valuable skills and knowledge that could help him achieve his career goals. In this case, he should prioritize his personal goals over his friends' plans and choose the vocational school option.

On the other hand, if Gavin is not sure about his career goals and values spending time with his friends, then he may want to choose a different shop class that is offered at his high school. It is important to note that culinary skills can be learned outside of school as well, through internships, volunteering, or cooking at home.

Ultimately, Gavin should weigh his personal goals and priorities against the potential benefits and drawbacks of each option and make a decision that is best for him.

PLEASE HELPP!!!!

Philip and Laura want to build a pool in their backyard. The length and width of the pool can be represented by the equation f(x)=(x-3)(5x+2) feet. What is the area of Philip and Laura’s pool? You must show your work and include your units.

Answers

Answer:

5 by 2, 13 by 4, and 6 by 6.

The pool at Philip and Laura's home is therefore 5 x 2 x 13 x 6 square feet in size.

Step-by-step explanation:

We must multiply the pool's length by its breadth to determine its area. The formula f(x) = (x-3)(5x+2) yields the length and width, so:

Size equals (x-3) feet

Size is (5x+2) feet wide.

Length times Width equals (x-3) times (5x+2) square feet.

Increasing the brackets results in:

Area: 5 by 2, 13 by 4, and 6 by 6.

The pool at Philip and Laura's home is therefore 5 x 2 x 13 x 6 square feet in size.

Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m. Find the length of the lace required and also find its cost if one meter of the lace costs 15. (Take p = 3.14). (show working too) stop copying from others

Answers

The required length of lace = 4.17m and the cos for lace of 4.17m is ₹ 70.65.

[tex]\text{Circumference of the circle}=2\pi r[/tex][tex]\text{Radius of circle}=\dfrac{\text{diameter}}{2}[/tex]

Step 1:

Find the radius, r of the circular table.

Given that, Salma wants to put a lace on the edge of a circular table of diameter

Diameter of circle, d=1.5m

Radius of circle, [tex]\text{r}=\dfrac{1.5}{2}\text{m}[/tex]

Step 2:

Find circumference of the circle.

Substitute [tex]\text{r}=\dfrac{1.5}{2}\text{m}[/tex] in formula

[tex]\text{Circumference of the circle}=2\pi r[/tex]

Take [tex]\pi =3.14[/tex]

[tex]=2\times3.14\times\dfrac{1.5}{2}[/tex]

[tex]=3.14\times1.5[/tex]

[tex]=4.71 \ \text{m}[/tex]

[tex]\text{Circumference of circle} = 4.71 \ \text{m}[/tex]

[tex]\text{The length of lace required is 4.71} \ \text{m}[/tex]

Step 3:

Find the cost of rope.

From step 2

[tex]\text{Length of lace required} =\it{4.17} \ \text{m}[/tex]

Given that, of the lace costs ₹ 15

From the above statement, form an equation.

Cost of 1m lace = ₹ 15

Therefore, cost of 4.17m lace

Required length of lace = 4.17m. Cost for lace of 4.17m is₹ 70.65.

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