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allochka39001 [22]
3 years ago
5

A block of wood has a mass of 120 g Qubed and a volume of 200cm what is density of wood

Mathematics
1 answer:
grandymaker [24]3 years ago
7 0

density = mass / volume

so d= 120g / 200cm^3

d=0.6 g /cm^3

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Factor the polynomial F(x) =x^3-x^2-4x+4 completely.
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Answer:

Step-by-step explanation:

PART 1:

Possible roots by noticing the coefficient of first term:

x = 1, -1

PART 2:

1 | 1  -1  -4   4

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The remainder is zero, hence one factor is (x-1)

PART 3:

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PART 4:

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One fifth of a number plus three times the number is equal to twice the number plus 42. What is the number
borishaifa [10]

Equation to find number's value: \frac{1}{5}n + 3n = 2n + 42

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Explanation:

Let n be the unknown number for this problem.

One fifth of a number is the same as \frac{1}{5}n.

Three times the number is the same as 3n.

Twice the number plus 42 is the same as 2n + 42.

So, using the information we've gathered so far, we can create the equation that will provide us with n's value.

Equation: \frac{1}{5}n + 3n = 2n + 42

We can use this equation to find n's value.

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Now add n and \frac{1}{5}n together to get 1\frac{1}{5}n.

After you do this, your equation should look like 1\frac{1}{5}n=42.

Now divide both sides by 1\frac{1}{5} to get n's value.

n = 35

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Need a number line to show the answer to 1/10 ÷ 2
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