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tia_tia [17]
3 years ago
8

3. A solid sphere of radius 3 cm is melted and then recast into small spherical balls, each of

Mathematics
1 answer:
Viefleur [7K]3 years ago
6 0

Answer:

3.6

Step-by-step explanation:

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Solve for x: <br> 3x+2y=7
iVinArrow [24]
3x+2y=7\ \ \ |subract\ 2y\ from\ both\ sides\\\\3x=7-2y\ \ \ |divide\ both\ sides\ by\ 3\\\\\boxed{x=\dfrac{7-2y}{3}}
8 0
3 years ago
The pair of values below is from a direct variation. Find the missing number.
NISA [10]

Answer:

The answer is 2.

2  since 6/4=3/2

Step-by-step explanation:

Since your relation is a direct variation then the points on your line are of the form y=kx where k is the constant of variation (also called constant of proportionality)

If y=kx then y/x=k.

So all the points in this relation since it is a direct variation will be equal to y-coordinate/x-coordinate.

So we are going to solve this proportion:

\frac{6}{4}=\farc{3}{x}

Again I put y/x from each point. They should have same ratio because this is a direct variation.

Cross multiply:

6(x)=4(3)

6x=12

Divide boht sides by 6:

x=\frac{12}{6}

x=2

6 0
3 years ago
Read 2 more answers
How do you solve 2^5? Explain using academic vocabulary
anastassius [24]

Answer:

well if its 2*5 then its 10 because you have to count by 5's two times and you'll get 10. I hope this helps. :3

6 0
3 years ago
Evaluate a2 - 6 for a = 4 and b = 17
Natalija [7]

Answer:

The answer is -94 but where is b

Step-by-step explanation:

2(4)-6(17)=-94

7 0
2 years ago
An owner of a restraint wants to conduct a survey about possible menu changes. Give an example of a sampling method that would p
garri49 [273]

Do you mean restaraunt?

  • Every 10th customer
  • Every 15th customer

Something like that. I hope this helps.

8 0
3 years ago
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