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3 years ago

Please help quick! I'm begging you!

Mathematics

2 answers:

Inessa [10]3 years ago

5 0

Answer:

alternate interior

Step-by-step explanation:

marissa [1.9K]3 years ago

5 0

Answer:

These are alternate interior angles.

Step-by-step explanation:

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In ΔCAB, if m∠A = 10x + 9, m∠B = 34°, and m∠C = 97°, what is the value of x?

Zolol [24]

x = 4

Here is why:

When adding up all angles of a triangle, they will be equal to 180.

Let's add ∠B and ∠C together.

$34+97=131$

Let's subtract it from 180, that will be the value of ∠A.

$180-131=49$

Now we can set ∠A equal to 49.

$10x+9=49$

Subtract 9 from both sides.

$10x=40$

Divide.

x = 4

7 0

3 years ago

What is the volume of a square pyramid with base edges 24 feet and slant height 37

-Dominant- [34]

Answer: The volume of pyramid is 6720 ft³

Step-by-step explanation:

Given: Base edge of a square pyramid = 24 feet

Slant height = 37 feet

Therefore height of pyramid is given by

$h^2=l^2-\dfrac{1}{2} b^2$ where h is height, l is slant height and b is base edge of pyramid

So we have

$h^2= 37^2-(\dfrac{1}{2} \times 24)^2= 37^2-12^2=1225 \\\\\Rightarrow h= \sqrt{1225} =35$

Height of pyramid is 35 feet

Now the volume of a pyramid is given by

$V=b^2\dfrac{h}{3}$ where V is volume , b is base edge and h is height of pyramid

Therefore

$V= (24)^2\dfrac{35}{3} = 6720$

Hence , the volume of pyramid is 6720 ft³

7 0

3 years ago

Graph 2x=2y plssssssss

yKpoI14uk [10]

Answer:

4xy

Step-by-step explanation:

2 x 2 = 4, then just plop the x and y down, and there's your answer

8 0

3 years ago

For a particular angle theta, the cosine function f(x) = a cos b(theta) has the following values within one cycle of the functio

Anton [14]

For function $f(x)=a\cos b\theta$ we have that $f(0) =4,\ f( \frac{\pi}{2} )=-4,\ f(\pi)=4$ . This means that period of cosine function is π. Then from the formula for period $T= \frac{2\pi}{b}$ you obtain that $\pi= \frac{2\pi}{b}$ and b=2.

So, the function is $f(x)=a\cos 2\theta$ . If f(0)=4, then $a\cos0=4$ and, respectively, a=4.
Answer: $f(x)=4\cos 2\theta$ .

6 0

3 years ago

Which is a perfect square? A. 6^1 B.6^2 C.6^3 D. 6^5

AveGali [126]

6^2 = 36 is a perfect square.

4 0

3 years ago

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