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1 year ago

Reflect AB over the x-axis and rotate 90° counterclockwise about the origin.

Mathematics

2 answers:

leonid [27]1 year ago

7 0

Answer:

A"(-3, 5), B"(-1, 3) is the answer

Zepler [3.9K]1 year ago

6 0

Answer:

O A"(3, -5) B"(1, -3)

Step-by-step explanation:

Hope it helps.

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Please asap<br>for 10 points!

kari74 [83]

<h3>Given:</h3><h3>Large cone:</h3>

r= 8 cm
h= 20 cm

<h3>Small cone:</h3>

r= 4 cm
h= 10cm

r: radius
h: height

The volume of the frustum of the given cone.

<h3>Solution:</h3>

Frustum is a part of a cone formed by cutting off the top by a parallel plane.

$\large\boxed{Formula: V= \frac{1}{3}\pi{r}^{2}h}$

Let's solve!

First, let's find the volume of the smaller cone.

Substitute the values according to the

formula.

$V= \frac{1}{3}×\pi×{4}^{2}×10$

$V= 167.5516082 \: {cm}^{3}$

Now, we can round off to the nearest hundredth.

The value in the thousandths place is smaller than 5 so we won't have to round up.

$\boxed{V= 167.55 \: {cm}^{3}}$

Next, let's find the volume of the bigger cone.

Substitute the values according to the formula.

$V= \frac{1}{3}×\pi×{8}^{2}×20$

$V= 1340.412866 \: {cm}^{3}$

Now, we can round off to the nearest hundredth.

The value in thousandths place is smaller than 5 so we won't have to round up.

$\boxed{V=1340.41 \: {cm}^{3}}$

Now, we can find the volume of the frustum.

We'll have to minus the volume of the smaller cone from the bigger cone.

$V= 1340.41-167.55$

$\large\boxed{V= 1172.86 \: {cm}^{3}}$

<u>Hence, the volume of the frustum is 1172.86 cubic centimeters.</u>

8 0

1 year ago

What is the slope of the line that passes through points (2,-3) and (5,1)

Ivenika [448]

Find the difference in the y-coordinates: -3 - 1 = -4

Find the difference in the x-coordinates in the same order: 2 - 5 = -3

Divide the difference in y by the difference in x: slope = (-4)/(-3)

Reduce the fraction: slope = 4/3

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2 years ago

This diagram is a straightedge and compass construction. A is the center of one circle, and B is the center of another. A rhombu

frozen [14]

is there a picture to help me underdtsnd what we are trying to do with the questionAnswer:

Step-by-step explanation:

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2 years ago

When looking at sides AC and CB, what is the included angle?<br> Question 22 options:

Vladimir [108]

Answer:

64 degrees

Step-by-step explanation:

since it is in between the both of them and they both share the 62 degree angle

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2 years ago

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MaRussiya [10]

Answer:

1 would be the coefficient for the variable term.

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2 years ago

Reflect AB over the x-axis and rotate 90° counterclockwise about the origin.​

Reflect AB over the x-axis and rotate 90° counterclockwise about the origin.