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oksian1 [2.3K]
2 years ago
13

Hii can someone plsss pls help me asap?!

Mathematics
1 answer:
Alika [10]2 years ago
3 0

Answer:

The slope is 2/1(rise over run)

So,2/1 is 2

Answer is 2

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Please look at the picture, I need help ASAP.
forsale [732]

See below for the proof that the areas of the lune and the isosceles triangle are equal

<h3>How to prove the areas?</h3>

The area of the isosceles triangle is:

A_1 = \frac 12r^2\sin(\theta)

Where r represents the radius.

From the figure, we have:

\theta = 90

So, the equation becomes

A_1 = \frac 12r^2\sin(90)

Evaluate

A_1 = \frac 12r^2

Next, we calculate the length (L) of the chord as follows:

\sin(45) = \frac{\frac 12L}{r}

Multiply both sides by r

r\sin(45) = \frac 12L

Multiply by 2

L = 2r\sin(45)

This gives

L = 2r\times \frac{\sqrt 2}{2}

L = r\sqrt 2

The area of the semicircle is then calculated as:

A_2 = \frac 12 \pi (\frac{L}{2})^2

This gives

A_2 = \frac 12 \pi (\frac{r\sqrt 2}{2})^2

Evaluate the square

A_2 = \frac 12 \pi (\frac{2r^2}{4})

Divide

A_2 = \frac{\pi r^2}{4}

Next, calculate the area of the chord using

A_3 = \frac 12r^2(\theta - \sin(\theta))

Recall that:

\theta = 90

Convert to radians

\theta = \frac{\pi}{2}

So, we have:

A_3 = \frac 12r^2(\frac{\pi}{2} - \sin(\frac{\pi}{2}))

This gives

A_3 = \frac 12r^2(\frac{\pi}{2} - 1)

The area of the lune is then calculated as:

A = A_2 - A_3

This gives

A = \frac{\pi r^2}{4} -  \frac 12r^2(\frac{\pi}{2} - 1)

Expand

A = \frac{\pi r^2}{4} -  \frac{\pi r^2}{4} + \frac 12r^2

Evaluate the difference

A =  \frac 12r^2

Recall that the area of the isosceles triangle is

A_1 = \frac 12r^2

By comparison, we have:

A = A_1 = \frac 12r^2

This means that the areas of the lune and the isosceles triangle are equal

Read more about areas at:

brainly.com/question/27683633

#SPJ1

5 0
1 year ago
Which sets of side lengths could form a triangle? Choose all that apply.
svlad2 [7]
What are the answer choices
4 0
3 years ago
This app deleted my question so im going to ask again. please help!!! due at 5:00
ELEN [110]

Answer:

1. 87x20(4) divided by 20.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A company produces x units of a product per month, where c(x) represents the total cost and r(x) represents the total revenue fo
Nat2105 [25]

Answer:

The total profit P(x) or the month is P(x)=-0.5x^2+500x-350.

Step-by-step explanation:

A company produces x units of a product per month.

The total cost represents by the function C(x).

C(x)=300x+250

The total revenue represents by the function R(x).

R(x)=-0.5x^2+800x-100

The profit is the difference between revenue and cost.

P(x)=R(x)-C(x)

P(x)=-0.5x^2+800x-100-(300x+250)

P(x)=-0.5x^2+800x-100-300x-250

Combine like terms.

P(x)=-0.5x^2+(800x-300x)+(-100-250)

P(x)=-0.5x^2+500x-350

Therefore, the total profit P(x) or the month is P(x)=-0.5x^2+500x-350.

5 0
3 years ago
Help??????????????? Uh yeet
Rashid [163]

Answer:

C 117

Step-by-step explanation:

<2 = 63

<4 = <2  vertical angles

<4 + <7 = 180

63 + <7 = 180

subtract 63 from each side

<7 = 117


5 0
3 years ago
Read 2 more answers
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