Marques wants to use a sheet of fiberboard 36 inches long to create a skateboard ramp with a 30^{\circ}

angle of elevation from the ground. How high will the ramp rise from the ground at its highest end? Round your answer to the nearest tenth of an inch if necessary.

Answers

Answer 1

The ramp will rise 20.79 inches from the ground at its highest end.

What is Algebraic expression ?

Algebraic expression can be defined as combination of variables and constants.

Let's assume that the ramp will be in the shape of a right triangle, where the length of the base (the horizontal distance from the ground to the highest end of the ramp) is 36 inches and the angle between the base and the hypotenuse (the ramp itself) is 30 degrees.

We can use trigonometry to find the height of the ramp (the vertical distance from the ground to the highest end of the ramp).

First, we need to find the length of the hypotenuse. We can use the formula:

hypotenuse = base / cosine(angle)

In this case, the base is 36 inches and the angle is 30 degrees, so:

hypotenuse = 36 / cosine(30) = 41.57 inches (rounded to the nearest hundredth)

Next, we can use the formula for the sine of an angle:

sine(angle) = opposite / hypotenuse

In this case, the opposite side (the height of the ramp) is what we want to find. So we can rearrange the formula to solve for the height:

height = sine(angle) x hypotenuse

Plugging in the values we know, we get:

height = sine(30) x 41.57 = 20.79 inches (rounded to the nearest hundredth)

Therefore, the ramp will rise 20.79 inches from the ground at its highest end.

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Related Questions

PLEASE HELP !!!!!!! i really need help!

Answers

Answer: Ans b.

Vol_total

= 7800 yd^3

Step-by-step explanation:

The bottom part of your shape is a box, basically (rectangular prism) and the volume is:

V=

length×width×height

Those numbers are all given. Because it is a box shape, it doesn't matter which number is which.

V = 22 × 15 × 16

= 5280 yd^3

Now the "roof" part on top is a little bit different. It is a triangular prism. So the side that needs to be the Base of the prism is the front (or back) triangle.

The volume is:

V

= BaseArea×height

= Area_triangle× ht

= 1/2 bh × height

= 1/2•21•16 × 15

The key to understanding is knowing the triangle must be the base. And the roof line running front to back will be the height. And also understanding the difference between the height of just a triangle (21) and the height of the prism(15). They are different.

Vol_roof = 2520

Then add them together.

Vol_total

= 5280 + 2520

= 7800 yards cubed

DUE TODAY PLEASE HELP NOW!!!!!!!!!!!!! 20 POINTS
Here is another triangle similar to DEF found in the lesson section labeled “Shrinking Triangles”.
• Label the triangle D”E”F”.
• What is the scale factor from triangle DEF to triangle D”E”F”?
• What are the coordinates of F”? Explain how you know.
• What are cos(D”), sin(D”), and tan(D”)?

Answers

The scale factor of dilation is 1/40 and the coordinates of F" are (1440, 600)

Labelling the image of the triangle

The image of the label is attached

The scale factor of the dilation

Given that

D'E' = 36 units

Then, we have

D"E" = 0.9 units

The scale factor is calculated as

Scale factor = D"E"/D'E'

So, we have

Scale factor = 0.9/36

Evaluate

Scale factor = 1/40

So, the scale factor of dilation is 1/40

The coordinates of F"

This is calculated as

F = F'/Scale factor

So, we have

F = (36, 15)/(1/40)

F = (1440, 600)

The trigonometry ratios

The trigonometry ratios are calculated as

sin(D") = EF/DF

cos(D") = DE/DF

tan(D") = EF/DE

So, we have the following approximated values

sin(D") = 15/39 = 0.36

cos(D") = 36/39 = 0.92

tan(D") = 0.36/0.92 = 0.39

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E) Let y = g(x) be the particular solution to the differential equation dy/dx= 3sin(pix)/2y with initial condition
g(1/2)=3. Then g(x)= sqare root of a+bcos(pix) where a and b areconstants. Find a

Answers

Answer:

  9

Step-by-step explanation:

You want the value of the constant 'a' in the solution y=√(a+b·cos(πx)) to the differential equation y'=3sin(πx)/(2y) with initial condition y(1/2) = 3.

Initial condition

Substitute the initial condition into the equation for y:

  y = 3 . . . . when x = 1/2

  y = √(a +b·cos(πx))

  3 = √(a +b·cos(π/2)) = √a

  3² = a = 9

The value of a is 9.

__

Additional comment

The value of 'b' is -3/π.

It can be found by putting the equation for y in the original differential equation, and solving for b.

Demonstrate the property listed in the first column of the table by filling in the box in the second column of the table with an equivalent expression. Commutative Property of Addition Commutative Property of Multiplication gx h= Additive Identity Property of Zero n + 34 = Multiplicative Identity Property of One S+0= bx1 =​

Answers

The property listed in the first column of the table by filling in the box in the second column of the table with an equivalent expression are: 1. Commutative Property of Addition 2. Additive Identity Property of Zero 3. Multiplicative Identity Property of One.

What is expression?

An expression is a combination of numbers, variables, and mathematical operations such as addition, subtraction, multiplication, and division. It represents a value or quantity and can be evaluated or simplified to a single value or another expression. Expressions can contain constants, which are fixed values, such as the number 5 or the symbol π, or variables, which are symbols that represent varying values, such as x or y.

Here,

Commutative Property of Addition: The order in which two numbers are added does not change the result.

For example:

g + h = h + g

Additive Identity Property of Zero: Adding zero to any number does not change the value of the number.

For example:

n + 34 = n

Multiplicative Identity Property of One: Multiplying any number by one does not change the value of the number.

For example:

S * 1 = S

Commutative Property of Multiplication: The order in which two numbers are multiplied does not change the result.

For example:

b * x * 1 = x * b * 1

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Urgent help is needed​

Answers

a. The triangle can be sketched as shown in the attached image.

b.  The side length OE is 4√11 inches

c. The measure of ∠G is 27.82°

How to calculate the side length OE?

a. The triangle can be sketched as shown in the attached image.

b. We can use Pythagoras theorem  to calculate the side length OE. That is:

OE = √(15² - 7²)

OE = 4√11 inches

c. Using trig. ratio:

sin G = (4√11)/15    (opposite/hypotenuse)

sin G = 0.8844

G =  sin⁻¹ (0.8844)

G = 27.82°

Thus, the measure of ∠G is 27.82°

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A. Please see attached photo for diagram

B. The length of side OE is 13 inches

C. The measure of  of angle G, ∠G is 62°

B. How do i determine the length of OE?

We can obtain the the length of OE by using Pythagoras theorem as shown below:

Length OG = 15 inchesLength GE = 7 inchesLength OE =?

OE² = OG² - GE²

OE² = 15² - 7²

OE² = 225 - 49

OE² = 176

Take the square root of both sides

OE = √176

OE = 13 inches

Thus, the length of OE is 13 inches

C. How do i determine the angle G?

The value of angle G, ∠G can be obtained as follow:

Hypothenuse = 15 inchesAdjacent = 7 inchesAngle G =?

Cos G = Adjacent / Hypothenuse

Cos G = 7 / 15

Cos G = 0.4667

Take the inverse of Cos

G = Cos⁻¹ 0.4667

G = 62°

Thus, angle G is 62°

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Please ASAP Help
Will mark brainlest due at 12:00​

Answers

Answer:

plot the point at -5

Step-by-step explanation:

A sample of students is taken from the school's A honor roll. The school estimates there are 360 students on the A honor roll. How many students on the A honor roll are 7th graders?

Answers

the answer would be 32 i think hut im not sure

can you please help
Solve 3X+1​

Answers

Answer: The answer is 3

Step-by-step explanation:

3x+1 take one minus one.
3x1-1 1-1 for exponents value becomes 0
3x0 for every term 0 is = to one in a exponent value so it become 3x1
3x1 = 3
So the answer is 3..

Step-by-step explanation:

In the 3x+1 problem, no matter what number you start with, you will always eventually reach 1. The problemproblm has been shown to be a computationally unsolvable problem.

A streaming service charges $200 to download a digital song as well as a $4.99
membership fee. Which expression below gives the total cost in dollars to join the
streaming service and download games. Remember the charge is $2.00 per game plus
a membership fee of $4.99.

A.4.99n

B.n+4.99

C.2n +4.99

D.I don't know how to
do this.

Answers

The expressiοn calculates the tοtal cοst οf membership and game dοwnlοads. Sο, the cοrrect οptiοn is (C) 2n + 4.99.

Describe Algebraic Expressiοn?

Algebraic expressiοns can include οne οr mοre variables, which are typically represented by letters, such as x, y, οr z. These variables can be used tο represent unknοwn quantities οr tο express relatiοnships between different quantities in a prοblem.

Algebraic expressiοns can alsο include cοnstants, which are fixed numbers, and cοefficients, which are the numbers that multiply the variables in the expressiοn. Fοr example, in the algebraic expressiοn 3x + 2y, the cοnstants are 3 and 2, and the cοefficients are 3 and 2, respectively.

The given prοblem describes twο different charges: a οne-time charge οf $200 tο dοwnlοad a digital sοng, and a membership fee οf $4.99 that must be paid regardless οf hοw many sοngs οr games are dοwnlοaded. Additiοnally, fοr dοwnlοading games, there is a charge οf $2.00 per game.

Therefοre, the tοtal cοst in dοllars tο jοin the streaming service and dοwnlοad games can be represented by the expressiοn:

2n + 200 + 4.99

Here, "n" represents the number οf games dοwnlοaded, and the expressiοn calculates the tοtal cοst οf membership and game dοwnlοads.

Sο, the cοrrect οptiοn is (C) 2n + 4.99.

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GET 30 POINTS

1) Coordinate point B is at (4,3). What will the coordinates be for B' after a translation of (x-2,y+3)?
*
B' (5,4)
B' (2,6)
B' (6,2)
B' (-2,3)

What is the coordinate for G(3,-2) after it is reflected across the x-axis?
*
(2,3)
(-2,3)
(3,2)
(-3,-3)

What is the translation rule that describes the result of the composition of
(x, y) --> (x+4, y-1) and (x, y) --> (x-5, y-5)?
*
(x, y) --> (x-1, y-6)
(x, y) --> (x+1, y-3)
(x, y) --> (x+9, y+6)
(x, y) --> (x+1, y+6)

thank you so mcuh

Answers

After translatiοn, the cοrrect answer is B' (x+2, y+6).

The cοοrdinate after reflectiοn is (3,2).

The translatiοn rule that describes the result οf cοmpοsitiοn is (x, y) →(x-1, y-6).

What are transfοrmatiοns?

Transfοrmatiοns in a triangle refer tο changes that can be made tο the shape, size, pοsitiοn, οr οrientatiοn οf the triangle οn a cοοrdinate plane. The three main types οf transfοrmatiοns that can be applied tο a triangle are:

Translatiοn: This transfοrmatiοn invοlves mοving the entire triangle tο a new pοsitiοn οn the cοοrdinate plane withοut changing its size οr shape.

Rοtatiοn: This transfοrmatiοn invοlves rοtating the entire triangle arοund a fixed pοint οn the cοοrdinate plane. The fixed pοint is called the center οf rοtatiοn, and the angle οf rοtatiοn determines the amοunt οf turn.

Scaling: This transfοrmatiοn invοlves changing the size οf the triangle by multiplying the x and y cοοrdinates οf each vertex by a fixed factοr.

1) Applying the translatiοn οf (x-2, y+3) tο pοint B(4,3) wοuld result in: B' = (4 + (x-2), 3 + (y+3)) = (x+2, y+6)

Therefοre, the cοrrect answer is B' (x+2, y+6)

2) Reflecting pοint G(3,-2) acrοss the x-axis results in the y-cοοrdinate being negated, and the x-cοοrdinate remains the same. Therefοre, the cοοrdinates οf the reflected pοint wοuld be G(3, 2).

The cοrrect answer is (3,2).

3) Tο determine the cοmpοsitiοn οf (x, y) → (x+4, y⁻¹) and (x, y) →(x-5, y⁻⁵), we need tο apply them in οrder. Firstly, (x, y) → (x+4, y-1) is applied tο pοint (x,y), which results in:(x, y)→ (x+4, y-1)

Next, (x, y) → (x-5, y-5) is applied tο the result frοm the previοus transfοrmatiοn (x+4, y-1), which results in:(x+4, y-1)→(x-1, y-6)

Therefore, the correct answer is (x, y) →(x-1, y-6).

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Is 0.06 bigger than 0.066

Answers

Answer:

Yes, 0.06 is bigger than 0.066, because 0.06 is greater than 0.066 when they are written in decimal form. This is due to the fact that 0.06 has 6 tenths, while 0.066 has 66 hundredths.

Answer:

no

Step-by-step explanation:

that is because 0.6 = 0.6000000

and 0.066 = 0.6600000

(d) (4 points) suppose it takes a half hour for a red truck to pass through the tunnel. if there are no red trucks in the tunnel when it enters the tunnel at 7:35am on a monday, what is the probability it will be the only red truck in the tunnel the whole time it spends in the tunnel? state the appropriate distribution and any parameter values for any random variable(s) you use to model the situation. write the probability statment and show your work to receive full credit. (e) (5 points) let w represent the amount of time in hours it takes for the 9th red truck to arrive at the tunnel on a monday morning. what time do you expect the 9th red truck to arrive at the tunnel on a monday morning (to the nearest 10 minutes)? recall the tunnel opens at 7am. your final answer should be a time.

Answers

(d) The appropriate distribution to use in this situation is the Poisson distribution. We can let X be the number of red trucks that enter the tunnel during the half hour that the first red truck is in the tunnel. The parameter value for the Poisson distribution is λ, which is the average number of red trucks that enter the tunnel in a half hour. We can use the given information to calculate λ:
λ = (average number of red trucks per hour) × (length of time in hours) = (18 red trucks per hour) × (0.5 hours) = 9 red trucks
Therefore, the probability that the first red truck is the only red truck in the tunnel during the half hour it spends in the tunnel is:
P(X = 0) = (λ^0 × e^-λ) / 0! = (9^0 × e^-9) / 0! = (1 × e^-9) / 1 = e^-9 ≈ 0.0001234
So the probability is approximately 0.0001234.

(e) The appropriate distribution to use in this situation is also the Poisson distribution. We can let W be the amount of time in hours it takes for the 9th red truck to arrive at the tunnel on a Monday morning. The parameter value for the Poisson distribution is still λ, which is the average number of red trucks that enter the tunnel per hour. We can use the given information to calculate λ:
λ = (average number of red trucks per hour) = (18 red trucks per hour) = 18 red trucks
The expected value of W is 1/λ = 1/18 hours = 0.0556 hours ≈ 3.33 minutes. Since the tunnel opens at 7am, we can add this expected value to the opening time to find the expected time that the 9th red truck will arrive at the tunnel:
Expected time = 7:00am + 3.33 minutes = 7:03am
So we expect the 9th red truck to arrive at the tunnel at 7:03am on a Monday morning.

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Help please !!
WHAT does this mean

Answers

The probability that the coin shows heads and the number is two is 0.05.

What is probability?

A probability is a numerical representation of the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.

Here, we have

Given: you flip a coin and use a random number generator to generate a number from 1 to 10.

To find the probability, we need to use that we have two independent events. First, flip a coin, and second, generate a number from 1 to 10. They are independent events because their occurrence is not dependent on any other event.

P(A∩B) = P(A).P(B)

Where A represents the event of flipping a coin

B represents the event of generating a number from 1 to 10.

P(A) = 1/2, P(B) = 1/10

P(A) = 0.5 and P(B) = 0.1 we need to replace their values in the initial formula

P(A∩B) = 0.5× 0.1

P(A∩B) = 0.05

Hence, The probability that the coin shows heads and the number is two is 0.05.

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A store imploys 11 woman and 12 men
What percentage of the employees are men?

Answers

12/23 = 0.5217391

0.5217391 x 100 = 52.2 % 1dp
11 women + 12 men = 23 employees

To determine the percentage of employees that are men, we need to divide the number of men by the total number of employees, and then multiply by 100 to get the percentage:

Percentage of employees that are men = (Number of men / Total number of employees) x 100
Percentage of employees that are men = (12 / 23) x 100
Percentage of employees that are men = 52.17%

Therefore, 52.17% of the employees in the store are men.

Three friends participate in the loyalty program at a local coffee shop. A participant in the program earns points for each visit that can be used to get drinks and food for free. The graph below shows the point balances of the three friends over several weeks?

help me it's the 23 and the 24 please.

Answers

Answer:

On the graph, the point balances for the three friends on the 23rd week are:

- Friend A: 60 points

- Friend B: 80 points

- Friend C: 40 points

On the 24th week, the point balances are:

- Friend A: 80 points

- Friend B: 100 points

- Friend C: 60 points

It looks like all three friends are earning points and increasing their balances over time. Friend B seems to be earning points at a faster rate than the other two friends, as their balance is consistently higher. Friend C has the lowest balance, but is still earning points and increasing their balance.

Solve using substitution method
2x+y=12, 3x-7y=1

Answers

follow the steps in the picture above

Step-by-step explanation:

look the ans it will make you clear about substitution method clear

Determine a series of transformations that would map polygon ABCDE onto polygon A'B'C'D'E'?

Answers

We cannot determine the specific series of transformations that would map polygon ABCDE onto polygon A'B'C'D'E' without knowing the specific coordinates or measurements of the vertices of the two polygons. However, in general, we can use a combination of translations, rotations, reflections, and dilations to map one polygon onto another. Here are some steps to follow:

1. Translate polygon ABCDE to align one of its vertices with the corresponding vertex of polygon A'B'C'D'E'.
2. Rotate the translated polygon about the shared vertex until another pair of corresponding vertices align.
3. Determine if any reflection is required to align the remaining vertices.
4. If necessary, dilate or shrink the polygon to match the size of the target polygon.

The specific combination of transformations will depend on the initial orientation and size of the polygons.

A farmer has 2400 sheep, he loses 32,5% due to the drought. After that he loses 15% due to sickness. How many sheep does he have now?

Answers

The farmer now has 1377 sheep. If the farmer loses 32.5% of his 2400 sheep due to the drought, then he will have: 2400 * (1 - 0.325) = 1620 sheep left after the drought.

The farmer had 2400 sheep, but he lost 32.5% of them due to drought. Using the formula for finding percentages, we can calculate that 32.5% of 2400 is 780. So, the farmer had 2400 - 780 = 1620 sheep left after the drought. However, he then lost 15% of those remaining sheep due to sickness. Using the same formula, we can calculate that 15% of 1620 is 243. Therefore, the farmer had 1620 - 243 = 1377 sheep left after the sickness. So, the final number of sheep the farmer has now is 1377.

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Combine the terms that can be combined. Indicate the others in descending powers of x or a.

21. 720 + 40-60-120 + 15 =

24. 3x² - 2xy + 4x²-3xy + y² =

22. 25ab +6a²-3b² +6=

25. 2x + x + 25y-y-4=

23. 3a+2b-3a + 1-3 =

Answers

The functions are arranged/combined as follows

21. 595

22. 6a² + 25ab - 3b² + 6

23. 2b - 2

24. 7x² - 5xy + y²

25. 3x - 24y - 4

How to combine the terms that can be combined or indicate in descending powers of x or a

Descending powers involves making the highest power to be the first term

The equations are solved one after the other as follows

21.

720 + 40 - 60 - 120 + 15 = 595

22.

25ab + 6a² - 3b² + 6 =

6a² + 25ab - 3b² + 6

23.

= 3a + 2b - 3a + 1 - 3

= 3a - 3a + 2b + 1 - 3

= 2b - 2

24.

= 3x² - 2xy + 4x² - 3xy + y²

= 7x² - 5xy + y²

25.

= 2x + x + 25y - y - 4

= 3x - 24y - 4

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what is the lcm of 14 and 18​

Answers

the lcm of 14 and 18 is 126

a dvd rental company charges $10 per month plus $0.75 per rental. Andy wants to spend no more than 25.00 per month on DVD rentals. Select the inequality that represents how many DVDs Andy can rent in one month that satisfies this condition. The number of rentals in a month is represented by n. A. 10.75n < 25

Answers

The answer of the question based on the inequality the answer is  Andy can rent up to 20 DVDs in a month and spend no more than $25.

What is Inequality equations?

An inequality equation is mathematical statement that compares the two values or expressions using inequality symbol such as "<" (less than), ">" (greater than), "<=" (less than or equal to), ">=" (greater than or equal to), or "!=" (not equal to).

The total cost, C, for renting n DVDs in a month is given by:

C = 10 + 0.75n

The question tells us that Andy wants to spend no more than $25 per month on DVD rentals. Therefore, we can write an inequality:

C ≤ 25

Substituting the expression for C from above, we get:

10 + 0.75n ≤ 25

Simplifying the inequality, we can subtract 10 from both sides:

0.75n ≤ 15

Finally, we can divide both sides by 0.75:

n ≤ 20

Therefore, the inequality that represents how many DVDs Andy can rent in one month that satisfies the condition of spending no more than $25 per month is:

n ≤ 20

So, Andy can rent up to 20 DVDs in a month and spend no more than $25.

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Please ASAP Help
Will mark brainlest due at 12:00​

Answers

Answer:

plot the point at 1

Step-by-step explanation:

Answer:

(1,0)

Step-by-step explanation:

S = (-7,0)

T = (3,0)

W = (x,0)

Nancy has twice as many apples as jay. Jay has 3 more apples than Ava. Nancy has 22 apples. How many apples dose Ava have?

Answers

Answer: 8

Step-by-step explanation: Nancy has 22 apples, it was previously stated that Nancy has TWICE as many apples than Jay meaning Jay has 11 apples. Jay has 3 more apples than Ava meaning Ava has 8.

Helpppp meee plssss will mark you big brain

Answers

Answer:

Step-by-step explanation:

16. Since the angle between the two values is 90, that is already half of 180, which is the total of all of the angles. So you make the equation, 3n+3+2n+7+90=180, which simplifies down to 5n+100=180, and after solving you get n = 16.

Here is the answer to your question

[tex] = 16[/tex]

Given: LK congruent NM,Kj congruent Mj

Prove: LT congruent NJ


PLS PLS PLS HELP IM FAILING GEOMETRY RNNNNN

Answers

By the Definition of congruent property, we have proved that:

VW ≅ VX

Congruent Property:

The three properties of congruence are the reflexive property of congruence, the symmetric property of congruence and the transitive property of congruence. These properties can be applied to line segments, angles, triangles, or any other shape.

Given: VZ ≅ VY and WY ≅ XZ

Prove:  VW ≅ VX

Proof:

(Given): VZ ≅ VY and WY ≅ XZ

By the Definition of Congruent Substitute:

VZ = VY and WY = XZ

⇒ VZ = VX + XZ , and,

    VY = VW + WY

By Substituting  

VX + XZ = VW + WY

Again,

VX + WY = VW + WY

Now,

By Subtraction property of Equality

VX = VW  

VW = VX (Definition of congruent property.)

Complete Question:

IF VZ congruent of VY and WY congruent of XZ. Prove that VW is Congruent of VX.

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PLEASE HELP IMMA DIE IF I GET THIS WRONG (im over exaggerating
)

Answers

In the given triangle, The value of x will be 6.

What exactly is a triangle?

A triangle is a closed two-dimensional geometric shape that is formed by three straight line segments that connect three non-collinear points. The three line segments that form a triangle are called sides, and the three points where the sides intersect are called vertices.

Triangles can be classified into six types. A triangle with all three sides of equal length is called an equilateral triangle, while a triangle with two sides of equal length is called an isosceles triangle. A triangle with all three angles measuring less than 90 degrees is called an acute triangle, while a triangle with one angle measuring exactly 90 degrees is called a right triangle. A triangle with one angle measuring more than 90 degrees is called an obtuse triangle.

Now,

For given triangle,

The angle bisector is perpendicular to the line having x.

As it divided angle into same ratio then the ratio

[tex]x/5[/tex]=[tex]12/10[/tex]

then x=6/5*5

x=6

Hence,

        The measurement of side x will be 6.

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an ant is about to climb a 50-meter tree. in 2 hours, it can climb 5 meters, but it then slips down 1 meter. how long does it take the ant to reach the top

Answers

The ant will reach the top in 16.67 hours, or approximately 16 hours and 40 minutes

An ant is about to climb a 50-meter tree. In 2 hours, it can climb 5 meters, but it then slips down 1 meter. How long does it take the ant to reach the top?An ant can climb 4 meters in 1 hour since it climbs 5 meters but then slides down 1 meter in 2 hours. Let us assume that it takes the ant n hours to get to the tree's top. We don't understand the precise number of hours, thus we'll use 'n' to represent the number of hours it takes the ant to reach the top of the tree.

The ant climbs 4 meters per hour, thus it climbs 4n meters after n hours.The ant slips down 1 meter each hour, therefore,  it slides down 1n meters after n hours.If the ant climbs 4n meters but slips down 1n meters, it is actually at 3n meters after n hours. Therefore, 3n = 50 since the ant should reach the top of a 50-meter tree.Since 3n = 50, n = 50/3 ≈ 16.67 (to two decimal places). As a result, the ant will reach the top in 16.67 hours, or approximately 16 hours and 40 minutes.

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Laila needs a new bike mirror. Her old mirror was a square with a side length of 7 cm. She wants
the new mirror to have approximately the same area as her old bike mirror.
Which circular bike mirror should Laila buy?
4 cm
7 cm
8 cm

Answers

Answer:

Approximately 4 cm

Step-by-step explanation:


Old mirror's area = S X S = 7 x 7 = 49cm2

Area of old mirror = Area of new mirror
49 = πr2

49 = 22/7 * r2

[tex]\frac{49 * 7}{22}[/tex] = r2

[tex]\frac{343}{22}[/tex] = r2

15.5909 = r2

r = [tex]\sqrt{15.5909}[/tex]
r = 3.948 cm  = approx. 4cm

Hope it helps.

about 4 centimeters

4. 2. 4Practice:Modeling: Slope-Intercept Equation of a Line

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The slope-intercept form of the equation of a line is: y = mx + b

Where: y is the dependent variable (usually represented on the vertical axis of a graph). x is the independent variable (usually represented on the horizontal axis of a graph). m is the slope of the line (which represents the rate of change of y with respect to x). b is the y-intercept (which represents the value of y when x is equal to 0). To use this equation, you need to know the slope (m) and the y-intercept (b) of the line. You can find the slope of a line by taking any two points on the line and using the formula:

m = (y2 - y1) / (x2 - x1)

where (x1, y1) and (x2, y2) are any two points on the line. Once you know the slope, you can substitute it and the y-intercept into the slope-intercept form of the equation of the line to get the equation in its final form.

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The band students at Brookshaw Junior High School got to choose between ordering a hoodie or a T-shirt to wear on spirit day this year. In the seventh grade band, 7 students ordered the hoodie and 18 students ordered the T-shirt. In the eighth grade band, 12 students ordered the hoodie and 15 students ordered the T-shirt. The hoodies cost h dollars each, and the T-shirts cost t dollars each.
Pick all the expressions that represent how much the band students spent on hoodies and T-shirts.

Answers

Answer:

[tex]19h + 33t[/tex]
[tex]7h + 18t +12h + 15t[/tex]

Step-by-step explanation:

The two expressions above are equal and both represent the total spent on hoodies and t-shirts.

[tex]25(h+t) + 27(h + t)[/tex] is incorrect because this implies that the cost of t-shirts and hoodies are interchangeable. The choice in the bottom right is incorrect also because it is equivalent to the aforementioned expression.

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