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3 years ago

6

Two lines that do not intersect?

2 answers:

KIM [24]3 years ago

4 0

Its called parallel lines

Leviafan [203]3 years ago

4 0

The answer is: parallel lines

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Change one number in the equation below to safely land the plane. Y=4x-7

Lerok [7]

Answer:

the partial pressure of 02is 17.9

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4 years ago

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How is this right? Can someone explain to me how to do this?

Alex73 [517]

First, we calculate the radius of the circle.
radius=diameter / 2
radius=44 ft / 2=22 ft.

Second; we calculate the area of a circle.
area of a circle=πr²
area of a circle=π(22 ft)²=484π ft²

Remember: 22²=22 * 22 =484

Answer: B) 484π ft²

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4 years ago

Item 16 A sphere has a radius of 8 centimeters. A second sphere has a radius of 2 centimeters. What is the difference of the vol

Zigmanuir [339]

Answer:

$672\pi \text{ cm}^3$ .

Step-by-step explanation:

We have been given that a sphere has a radius of 8 centimeters. A second sphere has a radius of 2 centimeters. We are asked to find the difference of the volumes of the spheres.

We will use volume formula of sphere to solve our given problem.

$\text{Volume of sphere}=\frac{4}{3}\pi r^3$ , where r is radius of sphere.

The difference of volumes would be volume of larger sphere minus volume of smaller sphere.

$\text{Difference of volumes}=\frac{4}{3}\pi(\text{8 cm})^3-\frac{4}{3}\pi(\text{2 cm})^3$

$\text{Difference of volumes}=\frac{4}{3}\pi(512)\text{ cm}^3-\frac{4}{3}\pi(8)\text{ cm}^3$

$\text{Difference of volumes}=\frac{4}{3}\pi(512-8)\text{ cm}^3$

$\text{Difference of volumes}=4\pi(168)\text{ cm}^3$

$\text{Difference of volumes}=672\pi\text{ cm}^3$

Therefore, the difference between volumes of the spheres is $672\pi \text{ cm}^3$ .

3 0

4 years ago

PLEASE HELP 100 points to who ever gives me the answer Compare the numbers using >, <, or =.

never [62]

Answer:

a) -2 < 3

b) |-12| < |15| <em>(the absolute value of -12 is 12 so that's comparing 12 to 15)</em>

c) 3 > -4

d) |15| > |-12|

e) 7 > -11

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3 years ago

1Plss help,,,two to three sentences<br><br>Pythagorean theorem

saveliy_v [14]

Answer:

10

Step-by-step explanation:

so if u draw his paths you get a right triangle and so u can use Pythagoras theorem with is a²+b²=c²

so it will look like

c²= 8²+6²

c²=

$\sqrt{100}$

c²=10

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3 years ago

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