01. De 200 melones, 80 resultaron en mal estado.
¿Qué porcentaje de los 200 están buenos para la venta?

The number of months when the total cost is $1700 is 48 months

A function can be defined as an expression, equation, law or rule that shows the relationship between two variables.

These variables are;

From the information given, we have that;

Now, substitute the values, we have;

1700 = 35x + 20

collect like terms

35x = 1700 - 20

subtract the like terms

35x = 1680

Make 'x' the subject of formula

x = 48 months

Hence, the value is 48 months

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Answer:

0.82

Step-by-step explanation:

A： area =2( 0.8*0.6*+0.6*1+0.8*1) =2(0.48+0.6+0.8)=2*1.88 =3.76

B：area = 2(1.4*0.5+0.5*1.2+1.4+1.2) =2(0.7+0.6+1.68)=2*2.98=5.96

total 9.72

cost = $6.79* 9.72/80 =$0.82

Answer:

0.92

Step-by-step explanation:

The width of the arch at floor level is 18 inches.

Substitute x = 0 into the equation.
y = -1/9(0+18)(0-18)

Solve for y.
y = -1/9(-18)(18)
y = 18

Therefore, the width of the arch at floor level is 18 inches.

A linear system can be algebraically solved using the substitution approach. One y-value is substituted for another in the substitution procedure. Finding the value of the x-variable in terms of the y-variable is the method's most straightforward step.

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No Chase's work is not correct. He has made a mistake in working the brackets out. The BODMAS Rule has to be used here.

We have 2(12 ÷ 2)2 – 14 + 6

Here according to the BODMAS rule which stands for Brackets  Of  Division  Multiplication  Addition  Subtraction, we will first solve the brackets.

Now any number to the left or right of the brackets without any sign in between the bracket and the number has to be multiplied by the answer we get by solving the bracket.

12 ÷ 2 = 6

Hence we get

2 X 6 X 2  -  14  +  6

Now we need to multiply.

2 X 6 X 2 = 12 X 2 = 24

Hence we get

24 - 14 + 6

Now we need to add the numbers up.

24 + 6 = 30 hence we get

30 - 14

= 16

Hence Chase's work is not correct.

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Answer:

iam sorry

i don't know the answer

The height of the antenna is 17m approximately to the nearest metre using the trigonometric ratio of tangent for angleof elevation 44°.

The trigonometric ratios involves the relationship of an angle of a right-angled triangle to ratios of two side lengths. Basic trigonometric ratios includes; sine cosine and tangent.

Considering the right triangle formed by the point of Nicole's eyes E with an angle of elevation 44°, top of the roof A (90°) and the top of the antenna B,

we shall evaluate for the height of the antenna AB as follows:

tan 44° = AB/18m {opposite/adjacent}

AB = 18m × tan 44° {cross multiplication}

AB = 18m × 0.9657

AB = 17.3826m

Therefore, the height of the antenna to the nearest metre is 17 metres using the trigonometric ratio of tangent for angleof elevation 44°.

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Answer:
2 meters

I got it correct in my hw (check the photos)

also mark me brainleist

The difference between the water levels for the high and low tide was 3. 6 feet. the equation to find the water level at high tide x = y + 3.6, where  High Tide Water Level = x and  Low Tide Water Level = y.

In simple form it will be  High Tide Water Level = Low Tide Water Level + 3.6. To explain this equation, the water level at high tide is equal to the water level at low tide plus 3.6 feet. The variable 'x' represents the water level at high tide, while the variable 'y' represents the water level at low tide. By adding 3.6 feet to the water level at low tide, we can find the water level at high tide.  

For example, if the water level at low tide is 4 feet, the water level at high tide would be 4 + 3.6 = 7.6 feet. To find the water level at high tide for any given low tide water level, one can simply add 3.6 feet to the known low tide water level. This equation can be used to accurately calculate the water level at high tide for any given low tide water level.

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Answer: To find the price of the car in May, we can use the formula:

New price = Original price - (Original price x Discount rate)

In this case, the original price is $22,800, and the discount rate is 5%, which can be written as 0.05.

So, the new price in May is:

New price = 22700 - (22700 x 0.05)

New price = 22700 - 1135

New price = $21,565

So, the price of the car in May was $21,565.

To find the percentage of the price of the car in May as compared to the price of the car in April, we can use the formula:

(New price / Original price) x 100

In this case, the new price is $21,565 and the original price is $22,800

(21565 / 22700) x 100 = 0.95 x 100 = 95%

Therefore, in May, the price of the car was 95% as compared to the price of the car in April.

Step-by-step explanation:

Lisa and Joe put $46 towards the gift

Let's call the amount of money that Sara put in "x".

Joe put in twice that amount, so he put in 2x.

Lisa put in ten dollars more than Sara, so she put in x + 10.

Together, Sara, Joe, and Lisa put in x + 2x + (x + 10) = $58.

Evaluate the like terms, so we have

4x + 10 = 58.

Subtracting 10 from both sides, we get

4x = 48.

Dividing both sides by 4, we find that

x = $12.

So Sara put in $12, Joe put in $24, and Lisa put in $22.

The total amount put by Lisa and Joe is  $24 + $22 = $46.

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Complete question

Three friends are put their money together to buy a $58 gift. Joe put in twice the amount of money as Sara. Lisa put in ten dollars more than Sara. How much money did Lisa and Joe put towards the gift?

the slope of A'B' is=  1.2 ,The length of A'C'  in triangle is =  3q unit.

When we dilate a triangle and the center of the dilation is at the center of the triangle, the only thing that changes are the coordinates of the summits of the triangle.

The angles remain the same, so do the slope.

So, since the slope of AB is equal to -1.2, the slope of A'B' will also be -1.2.

They say the dilation factor was 3, that means the length of every side was multiplied by 3.  So, if the length of AC is q units, the length of A'C' is 3q units.

The complete question is-

ΔABC is dilated by a scale factor of 3 with the origin as the center of dilation to form ΔA′B′C′. The slope of AB is -1.2. The length of AB is p units, the length of AC is q units, and the length of BC is r units.

The slope of AB is (?). The length of is (?) units.

the slope of AB is?

A. 1.2 B. -1.2 C. -3.6

The length of AC is ?

A. 1/3q

B. 3q

C.-1.2p

D. (p+q+r)

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The expected value of the sum of the two extreme numbers is 1/2.

Random sampling is a part of the sampling technique in which each sample has an equal probability of being chosen.

The optimal strategy for you would be to choose the number 0.5, as it maximizes the probability that your pair will have the highest sum, and minimizes the probability that your pair will have the lowest sum.

This is because if all players choose a number uniformly at random, the expected value of the lowest and highest numbers will be 0 and 1 respectively, and the expected value of the middle two numbers will be 0.5. Therefore, by choosing 0.5, you have the best chance of having the highest sum, which means you will have to pay the least amount of money.

Therefore, the expected value of the sum of the two extreme numbers is 1/2.

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According to the elimination method, the solution of the system of equation has infinite number of solutions.

In math the term elimination method is the process of eliminating one of the variables in the system of linear equations using the addition or subtraction methods in conjunction with multiplication or division of coefficients of the variables

Here we know that the equations are

=> 6x - 2y = 8 ---------------(1)

=> -3x + y = -4 ------------------(2)

when we simplify the equation (1) by dividing the terms by 2, then we get

=> 3x - y = 4

Now, we have to add the two equation then we get the result as,

=> (-3x + 3x) +( -y + y) = (-4 + 4)

=> 0 + 0 = 0

Hence the system has an infinite number of solutions.

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From the set of numbers 9, 16, 25, 43 , the number does not belong to the group is prime number 43.

Set of numbers are 9, 16 , 25, 43.

9 is the composite number with 1, 3, 9 as factor.

It is perfect square of 3 also.

16 is the composite number with 1, 2, 4, 8,16 as factors.

It is perfect square of 4 also.

25 is the composite number with 1, 5, 25 as factors.

It is perfect square of 5 also.

43 is not a composite number.

It has only two factors 1, 43.

43 is a prime number.

It is not a perfect square of any number.

Here 43 does not belong to the group.

Therefore, the number which does not belong to the group from 9,16, 25, 43 is 43.

The above question is incomplete, the complete question is :

Which number does not belongs to group ?

9, 16, 25, 43.

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The true statements are:

A. KL=15

B. JL bisects IK

D. JL is the perpendicular bisector of IK

Two geometric objects are perpendicular in simple geometry if they intersect at a right angle. The perpendicular sign, ⊥ , can be used to visually depict the state of perpendicularity. It can be defined between two planes, two lines, or two planes and another line.

Given:

We have a triangle IJK.

m∠IJL=0.5 m∠JIK.

Side IJ ≅ side JK.

JL ⊥ IK.

It bisects the base.

That means,

JL bisects IK and JL is the perpendicular bisector of IK.

So, IL = LK.

3x = 2x + 5

x = 5

KL=15.

Therefore, A, B and D are the true statements.

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The sum of the given expression will be 2a+7b+-d.

What are expressions?

Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between. The mathematical operators can be of addition, subtraction, multiplication, or division. For example, x + y is an expression, where x and y are terms having an addition operator in between. In math, there are two types of expressions, numerical expressions - that contain only numbers; and algebraic expressions- that contain both numbers and variables.

e.g. A number is 6 more than half the other number, and the other number is x. This statement is written as x/2 + 6 in a mathematical expression. Mathematical expressions are used to solve complicated puzzles.

Now

Given expressions are 1.5b-2c+3-d 2.a+2b-c+d 3.2-d+3c+a

By adding these

=a+a+5b+2b-2c-c+3c-d+d-d

=2a+7b-d

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Answer:

123.6​30189899 or A. $1,257.72

Step-by-step explanation:

[tex]\frac{4.25}{100}=0.0425\\ 100(1 + \frac{0.0425}{12})^{12(5)} \\= 123.630189899[/tex]

Answer: x > -5

Step-by-step explanation:

-1.5x < 7.5

x > -5 (When multiplying both sides by a negative, the inequality is flipped)

[tex]-1.5x < 7.5[/tex]

Divide both sides by -1.5:

[tex]\dfrac{-1.5x}{-1.5} < \dfrac{7.5}{-1.5}[/tex]

When dividing by a negative number, the inequality sign will reverse.

Answer:

[tex]x > -5[/tex]

19N force act in upward direction with angle of elevation 28 degrees has horizontal and vertical force is given by 16.78N and 8.92N respectively.

Angle of elevation while thrown a ball upward 'α' = 28 degrees

Force 'F' is equal to 19N.

While throwing a ball force is applied in two possible direction are:

Horizontal direction and Vertical direction.

For horizontal direction :

let 'x' represents the horizontal direction

cosα = x / F

⇒ cos28° = x / 19

⇒ x = 19 cos 28°

⇒ x = 19 × 0.8829

⇒ x = 16.78N

For Vertical direction :

let 'y' represents the vertical direction

sinα = x / F

⇒ sin28° = y / 19

⇒ y = 19 sin 28°

⇒y = 19 × 0.4695

⇒ y = 8.92N

Therefore, the horizontal force and vertical force for the given angle of elevation is equal to 16.78N and 8.92N respectively.

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Answer:

(n - 3/5)²

Step-by-step explanation:

(n - 3/5)²

The minimum stopping distance is 800 ft.

Part A: The minimum stopping distance for a driver going at the speed limit (40 mph) is given by the equation: s = v2/2a, where s is the stopping distance, v is the speed (40 mph), and a is the deceleration rate (assumed to be 10 ft/s2). Therefore, the minimum stopping distance is 800 ft.

Part B: For a driver going at 45 mph, the minimum stopping distance is given by the equation: s = v2/2a, where s is the stopping distance, v is the speed (45 mph), and a is the deceleration rate (assumed to be 10 ft/s2). Therefore, the minimum stopping distance is 925 ft, which is 15.6% greater than the stopping distance for the speed limit.

Part C: For a driver going at 50 mph, the minimum stopping distance is given by the equation: s = v2/2a, where s is the stopping distance, v is the speed (50 mph), and a is the deceleration rate (assumed to be 10 ft/s2). Therefore, the minimum stopping distance is 1250 ft, which is 56.3% greater than the stopping distance for the speed limit.

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Answer:

23.37

Step-by-step explanation:

There ya go

:)

Chris owes $35 in interest to the back next month.

We know that a credit card's interest rate is nothing but the price one  pay for borrowing money. This is called the annual percentage rate (APR).

The Interest paid is calculated by the formula:

I = PTR ÷ 100

where P = Principal amount ,

R= rate of interest in percentage ,

and T= period.

Here, P = $2800,

R = 15%

T=  1 year

Using above formula,

I = (2800 x 15 x 1) ÷ 100

I = 420.

He will pay an interest of 420 ÷ 12= $35 per month.

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A: The exponential function for the situation is P(t) = 36,000 × (1 + 0.15)^t.

B: The population in 2020 was 72,396.

What is an exponential function?

The formula for an exponential function is f(x) = a^x, where x is a variable and a is a constant that serves as the function's base and must be bigger than 0.

The population of a city in 2015 is 36,000 and it is increasing at 15% per year.

Model this using an exponential equation of the form -

P(t) = P0 × (1 + r)^t

Where -

P(t) is the population after t years

P0 is the initial population in 2015 (36,000)

r is the rate of growth (0.15)

t is the number of years since 2015

So the exponential equation that models the population is -

P(t) = 36,000 × (1 + 0.15)^t

Part B:

To find the population in 2020, substitute t = 5 (2020 - 2015) into the equation -

P(5) = 36,000 × (1 + 0.15)^5

P(5) = 36,000 × 1.15^5

P(5) = 36,000 × 2.011

P(5) = 72396

Calculating this gives us a population of approximately 72,396 in 2020.

To obtain this answer, the exponential equation that models the population, P(t), is used where t represents the number of years since 2015, with the given information that population in 2015 was 36,000 and it's increasing at 15% per year and substitute the value of 5 for t.

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Answer:

See Below

Step-by-step explanation:

5. [tex]3.1 + (8.6 + m)\\3.1 + 8.6 + m\\11.7 + m[/tex]

take expression out of brackets by distribution (multiplying both by 1), then add

6. [tex]((\frac{2}{3})(t)) (1\frac{1}{2})\\(\frac{2}{3}t) (1\frac{1}{2})\\(\frac{2}{3}t) (\frac{3}{2})\\\frac{6}{6} t\\t[/tex]

Simplify the expression in the brackets by multiplying them together, once done turn the mixed fraction back into improper fraction in order to multiply the two together. Once done, simplify the expression

7. [tex]4(x + 8)\\4x + 32[/tex]

I would argue that factored form is the most simplified but regardless using the distribution rule you multiply both numbers within the bracket in order to get rid of it

8. [tex]4t + 7 + 2t - 2\\6t + 5[/tex]

This is just combining like terms and simplifying

Answer:

(i) Let's call Jaren's current age J. According to the problem, the sum of J and Daniel's age is 40.

If we also know that four years ago, Daniel was 3 times Jaren's age, we can set up the following equation:

J + (J+4) = 40

Solving for J, we find that Jaren's present age is 18.

(ii) When Jaren was born, Daniel would have been 18 + 4 = 22 years old.

The result of a histogram of the given data is 0.8.

There are a few steps to use a TI-83, TI-83 plus, or TI-84 calculator is used to create the histogram.

1. First, the process is to press the STAT key and then press ENTER.

2. Enter the data into column L1.

3. In the third step with all of the data entered, press the 2nd key and then press the Y= key to open the STAT PLOT menu.

4. After that press ENTER and make sure that Plot1 is set to On.

5. Use the directional keys to navigate to the Type selector, move the selection to the third type in the top row, and press ENTER.

6. Make sure that Xlist is set to L1 as this needs to be the same column as the list that the data were entered into previously. If it is not, highlight the value for Xlist and press 2nd and the 1 key for list L1.

7. Finally, press the ZOOM key and then press 9 in order to change the zoom to ZoomStat. When this is finished, the correct histogram will display on the calculator.

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Answer: The given quadratic expression is -3x²+172x-20. To factor this expression, we look for two numbers that multiply to -20 and add to 172.

We can start by dividing -20 by different numbers and checking if the product and the sum of the divisors equals -20 and 172 respectively.

-20/1 = -20, 1+-20 = -19

-20/2 = -10, 2+-10 = -8

-20/4 = -5, 4+-5 = -1

-20/-1 = 20, -1+20 = 19

-20/-2 = 10, -2+10 = 8

-20/-4 = 5, -4+5 = 1

We can see that the divisors that multiply to -20 and add to 172 are (x+8)(x-5)

So, we can factor the quadratic expression as:

-3x²+172x-20 = -3(x+8)(x-5)

Hope this helps!

Step-by-step explanation: