2 years ago

Chris's art Class is 8 hours long. How long is his class in minutes?

Mathematics

1 answer:

andre [41]2 years ago

4 0

60 minutes in an hour
60 x 8 = 480
his class is 480 minutes long

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Anybody can help?????

Vikentia [17]

The formula of an area of a circle:

$A=\pi r^2$

r - a radius

We have r = 14m. Substitute:

$A=\pi\cdot14^2=196\pi\ m^2$

If you want an approximate area, you can accept $\pi\approx3.14$

Then:

$A\approx196\cdot3.14=615.44\ m^2$

7 0

3 years ago

AB is Tangent to circle O at B. if AB = 7 and AO = 17.4, what is the length of radius r to the nearest tenth?

irakobra [83]

The angle the radius makes with AB is a right angle, so the Pythagorean theorem applies.
r² = 17.4² - 7² = 253.76
r = √253.76 ≈ 15.9

The length of radius r is about 15.9.

5 0

2 years ago

Read 2 more answers

Find two consecutive positive integers such that the sum of their squares is 421

alexandr402 [8]

14 and 15
14^2 = 196
15^2 = 225
225+196 = 421

6 0

2 years ago

For the first football game of the season, 62732 fans attended. The number of fans at the second game was 469 morw than at the f

ziro4ka [17]

There was 125,933 fans that attended both games.

8 0

2 years ago

NEED HELP ASAP

joja [24]

Answer: 16517 dollars

Step-by-step explanation:

Given that x is the number of years after 2000.

In 2005, the number of years x = 4

Because the equation was modelled for 4 year college courses

The best estimate for the average cost of tuition in 2005 will be

ŷ = 937.98(4) + 12,764.90

Y = 3751.92 + 12764.9

Y = 16516.82 dollars

Y = 16517 dollars

4 0

3 years ago