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Mama L [17]
3 years ago
11

Find the slope of the line that passes through the points (4, 3) and (2, 7).

Mathematics
1 answer:
timofeeve [1]3 years ago
5 0

Answer:

-2

Step-by-step explanation:

7-3/2-4=-2

use slope formula

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Reflect shape A in the line x = -2.
Olenka [21]
The answer is an ur mom Virginia
3 0
3 years ago
303 is 93% of what?<br> Find the base
miskamm [114]
303 --> 93 %
x --> 100%

So x= \frac{303*100}{93} = 325.8

303 is 93% of 325.8.

Hope this helps !

Photon

5 0
3 years ago
Read 2 more answers
Help 16-18 thank you
saw5 [17]

Answer:

16. (80)(60) = 4800

17. (500)(600) = 300000

18. (700)(800) = 560000  a). high

Step-by-step explanation:

5 0
3 years ago
The volume of a hemisphere is 144 pi. Find the radius and total surface area.
sineoko [7]
Formula of the Volume of a hemisphere:
V = \frac{2}{3}\pir³
144\pi = \frac{2}{3}\pir³
Multiply by 3 to cancel fraction in the right side
144\pi × 3 = 2\pi r³
432 \pi = 2\pir³
Divide by 2\pi on either sides to isolate r³
\frac{432 \pi }{2 \pi } = \frac{2 \pi }{2 \pi }r³
2\pi and 2 \pi cancel out
216 = r³
Take cube root to find the radius
\sqrt[3]{216} = \sqrt[3]{r^3}
6 = r
Radius is 6 units

The formula of the surface area of a hemisphere is:
S.A = 2\pir² + \pir²
       = 2\pi(6)² + \pi(6)²
       =2\pi × 36 + 36\pi
       = 72\pi + 36\pi
       = 108\pi units²  (in terms of \pi)
       ≈ 339.12 units²

Surface area = 108\pi units
8 0
3 years ago
The surface area of a sphere is 576pi square units. Which choice represents the volume of the sphere?
Leona [35]

Answer:

\large\boxed{V=2304\pi}

Step-by-step explanation:

The formula of a surface area of a sphere:

S.A.=4\pi R^2

R - radius

We have

S.A.=576\pi

Substitute and solve for R:

4\pi R^2=576\pi         <em>divide both sides by π</em>

4R^2=576          <em>divide both sides by 4</em>

R^2=144\to R=\sqrt{144}\\\\R=12

The formula of a volume of a sphere:

V+\dfrac{4}{3}\pi R^3

Substitute:

V=\dfrac{4}{3}\pi(12^3)=\dfrac{4}{3}\pi(1728)=(4)\pi(576)=2304\pi

3 0
3 years ago
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