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4 years ago

5

In 1980, in Great Falls, Montana, the temperature rose from 32 °F to 15 °F in seven minutes. How much did the temperature increa

se

1 answer:

Gnom [1K]4 years ago

8 0

17 degrees Fahrenheit

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Pictures of the problem is attached! :)

hjlf

Answer:

Step-by-step explanation:

16 x 28% = 4.48

16 x 72% = 11.52

16 x 172% = 27.52

16 x 128% = 20.48

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I dont know for the second one, sorry-

8 0

3 years ago

Work out the volume of the shape

pashok25 [27]

Answer:

$\large\boxed{V=\dfrac{1,421\pi}{3}\ cm^3}$

Step-by-step explanation:

We have the cone and the half-sphere.

The formula of a volume of a cone:

$V_c=\dfrac{1}{3}\pi r^2H$

r - radius

H - height

We have r = 7cm and H = (22-7)cm=15cm. Substitute:

$V_c=\dfrac{1}{3}\pi(7^2)(15)=\dfrac{1}{3}\pi(49)(15)=\dfrac{735\pi}{3}\ cm^3$

The formula of a volume of a sphere:

$V_s=\dfrac{4}{3}\pi R^3$

R - radius

Therefore the formula of a volume of a half-sphere:

$V_{hs}=\dfrac{1}{2}\cdot\dfrac{4}{3}\pi R^3=\dfrac{2}{3}\pi R^3$

We have R = 7cm. Substitute:

$V_{hs}=\dfrac{2}{3}\pi(7^3)=\dfrac{2}{3}\pi(343)=\dfrac{686\pi}{3}\ cm^3$

The volume of the given shape:

$V=V_c+V_{hs}$

Substitute:

$V=\dfrac{735\pi}{3}+\dfrac{686\pi}{3}=\dfrac{1,421\pi}{3}\ cm^3$

7 0

3 years ago

M : _____ <br> b : _____<br> Equation : ______ <br><br> PLEASE HELP ME !!!

fredd [130]

Answer:are you saying mx+b

Step-by-step explanation: hopefully that helps you mark me brainlest please

and like

6 0

3 years ago

There are 48 students in a speech contest. Yesterday, 2/3 of them gave their speeches. Today, 3/4 of the remaining students gave

Dmitry [639]

Answer:

24 :))))))))))))))

Step-by-step explanation:

2/3 of 48 is 32, so 3/4 of 32 is 24.

8 0

3 years ago

Solve P = 8/3 R + 30 for R.

vampirchik [111]

Answer:

R = (3P-30)/8

Step-by-step explanation:

subtract 30 from each side to get:

P-30 = $\frac{8}{3}$ R

multiply each side by $\frac{3}{8}$ to get:

$\frac{3}{8}$ · P - 30 = R

R = (3P-30)/8

7 0

3 years ago