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katovenus [111]

2 years ago

11

If a=bc,a=20and b=10 what is c

2 answers:

Leni [432]2 years ago

6 0

C would be 2 because a is 20 and it is equal to b•c and b is 10. So you have to times 10 by something to get to 20. And that is 2.

adelina 88 [10]2 years ago

4 0

Answer:

c=2

Step-by-step explanation:

You would start by re arranging the formula, so

c=a/b

Then you would plug in a and b.

c=20/10

Then you would solve for c.

c=2

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So if we think of a test tube, it looks sort of like a cylinder. This means that its cross-section would be a circle. To find out how many turns a piece of thread would make around the test tube, we need to find the circumference of the test tube, then divide the length of the string by the circumference.

Step 1) Find the circumference

C = pi x diameter

C = 3.14 x 3

C = 9.42

Step 2) Divide the length of the string by the circumference

90.42 / 9.42 = 9.5987

The string would make approximately 9.60 turns around the test tube.

Hope this helps!! :)

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2 years ago

9 hundreds =equals <br><br> tens

Lelechka [254]

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3 0

3 years ago

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Answer:

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Step-by-step explanation:

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4 0

2 years ago

Given that y is directly proportional to x^2 and that y=2 when x=3 find the value of y when x=6

Sergio039 [100]

Answer:y=4/3

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$2 = {3}^{2} \times k$

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<em> $\frac{2}{9} = \frac{9k}{9}$ </em>

<em> $k = \frac{2}{9}$ </em>

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<em> $y = \frac{2}{9} x$ </em>

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<em> $y = \frac{2}{9} \times 6$ </em>

<em> $y = \frac{4}{3}$ </em>

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3 0

3 years ago

Explain why receiving a 15% discount is the same as finding 85% percent of the original cost of an item. Then, explain how the m

Lisa [10]

Answer:

15% discount means you're paying 85% of the marked price because total is 100% and 100-15 = 85%

Let X be the naked price

Paid = marked price - discount

Paid = X - (15/100 × X)

Using distribution property,

Paid = X(1 - 15/100)

Paid = X[(100-15)/100]

Paid = X(85/100)

Which is 85/100 × X

Hence 85% of X

3 0

3 years ago

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