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ladessa [460]
3 years ago
9

There is a ratio of 2 boys to 3 girls in a class. Which of the following are correct ratios for the class?

Mathematics
2 answers:
ankoles [38]3 years ago
6 0
All except for letter D
denis23 [38]3 years ago
4 0
All but the second one are correct
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A sphere and a cylinder have the same radius and height. The volume of the cylinder is 30 m ^3 ( 30 m cubed).
Andrei [34K]

Answer:

B is the right answer

Step-by-step explanation:

The difference between the volume of a sphere and a cylinder is 2/3

take 30 x 2 = 60

60/3 = 20

The Volume of the Sphere is 20 m ^3

Hope this helps.

8 0
3 years ago
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If D is the midpoint of CE, CD= 9x-7, and DE= 3x+17, find CE
tatuchka [14]
Hello!

Since D is the midpoint and the two equations are and both sides of point D the equations equal each other

9x - 7 = 3x + 17

Now you solve it algebraically

Add 7 to both sides

9x = 3x + 24

Subtract 3x from both sides

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Divide both sides by 6

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Now we put this into both equations and add them

9(4) - 7 = 29
3(4) + 17 = 29

29 + 29 = 58

The answer is 58 units

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3 0
3 years ago
Three more than eight times a number is equal to 19
djverab [1.8K]
19-3=16
16/8=2
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What is the surface area of this triangular pyramid?
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Cam has 32 dollars. How many roses can he afford to buy?
Vlad [161]

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8 roses

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roses cost about 4 dollars, and 8 times 4=32

6 0
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