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Montano1993 [528]
3 years ago
7

Translate the following phrase to an expression: the product of a number and 2.

Mathematics
1 answer:
liq [111]3 years ago
6 0

Answer:

36

Step-by-step explanation:

2*n = what the expression says.

2*18 = 36 is the answer to n = 18

Whatever value is given to n you just multiply it by 2.

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Round to the nearest tenth , if necessary.<br><br> 65% of 186 =
Tems11 [23]

Answer: 120.9

Step-by-step explanation: 65% of 186 is 120.9.

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3 years ago
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Explain how you can use the distributive property to check the binomial factors when a trinomial has been factored. Include an e
erica [24]
What you can do is split one of the binomials and then apply the distributive property if f(x) = (x + 3)(x -2) split the 1st binomial f(x) = x(x -2) + 3(x -2) now apply the distributive property to get
f(x)=x2−2x+3x−6
which simplifies to
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3 years ago
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A cone with radius 2 and height 9 has its radius tripled. How many times greater is the volume of the larger cone than the small
SpyIntel [72]

Answer:

When increasing the radius 3 times the volume increases 9 times and when it is reduced to a third the volume decreases 9 times

Step-by-step explanation:

We have that the formula for the volume of a cone is:

Vc = pi * (r ^ 2) * h

We first calculate the original volume, where the radius is 2 and the height is 9, replacing:

Vc = 3.14 * (2 ^ 2) * 9

Vc = 113.04

Now if the radius is tripled it would be: 2 * 3 = 6, the radius would be 6, replacing:

Vc = 3.14 * (6 ^ 2) * 9

Vc = 1017.36

If we compare:

1017.36 / 113.04 = 9

This means that when the radius is tripled, the volume increases 9 times.

When if re reduces to a third the radius would be: 2/3, replacing:

Vc = 3.14 * ((2/3) ^ 2) * 9

Vc = 12.56

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Which means that by reducing it to a third the volume becomes 9 times smaller.

6 0
3 years ago
Is 4/5 equal to 5/10?
vfiekz [6]
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Because:- When you try to see if it is proportional, it does not equal it.

4/5 ≠ 5/10

Simplify to make sure.

4/5 ≠ 1/2

4/5 is NOT equal to 1/2.

Therefore, our final answer is that 4/5 does not equal 5/10.
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What is the simple definition of standard form
Orlov [11]

Answer:A standard form is a form of writing a given mathematical concept like an equation, number, or an expression in a form that follows certain rules. Representing very large or very small numbers concisely, the standard form is used. For example, 4.5 billion years is written as 4,500,000,000 years.

Step-by-step explanation:

8 0
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