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defon
3 years ago
10

A circle has a radius of 15 cm. What is the volume of the sphere made by rotating this circle?

Mathematics
1 answer:
Arlecino [84]3 years ago
7 0
This would be 14137.17. 

V=4/3 x π x r^3 = 4/3 x π x 15^3 ≈ 14137.16694
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A can of soda contains 150 calories for 1 serving. Whoch of the following is not an equivalent number of calories per serving
kotykmax [81]

Answer:

I'm sorry there is not enough information to answer this question

Step-by-step explanation:

4 0
3 years ago
How do i solve this lol teacher suck at explaining stuff
Murljashka [212]
A. The equation is in the form of y = mx + b. It will be y = -3x + 30.

B. The y-intercept is 30, which is the starting temperature in the problem.

C. The slope is -3, which means that they temperature is falling by 3 each hour.
4 0
3 years ago
N a flower garden, there are 4 tulips for every 8 daisies. If there are 32 tulips, how many daisies are there?
OlgaM077 [116]

Answer: 64 daisies

Step-by-step explanation:

8 x 4 = 32                                                                                                                            8 x 8 = 64 daisies

7 0
4 years ago
A contractor charges $ 1,200 for 100 square feet of roofing installed. At this rate, how much does it cost to have 1,100 square
garik1379 [7]

For this problem we can use a proportion to solve.

Set up the proportion.

\frac{1200}{100} = \frac{p}{1100}\\

Cross multiply.

1200 * 1100 = 100 * p\\1320000 = 100p

Divide.

\frac{1320000}{100} = \frac{100}{100}p\\13200 = p

So, it would cost $13,200 to have a 1,100 square foot roof installed.

3 0
3 years ago
Can someone please help me coz i really need this :(<br><br>i need serious answer :(​
sp2606 [1]

Answer:

1. DB = 10 as diagonals of isosceles trapezoid are congruent

2. ∠DAB and ∠BCD are supplementary angles

  • m∠BCD = 180° - 120° = 60°

3. ∠BCD is congruent with ∠ADC as trapezoid is isosceles

  • m∠BCD = m ∠ADC = 65°

4. AB = 15, DC = 25,

  • EB = 1/2(AB + DC) as midline
  • EB = 1/2(15 + 25) = 20

5. m∠ADC = 2x - 10, m∠ABC = 3x + 40

<u>These are supplementary, find x first:</u>

  • 2x - 10 + 3x + 40 = 180
  • 5x + 30 = 180
  • 5x = 150
  • x = 30
  • m∠BCD = m∠ADC = 2*30 - 10 = 50°
7 0
3 years ago
Read 2 more answers
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