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il63 [147K]
3 years ago
8

Solve for z. -2 +4 = -4

Mathematics
1 answer:
AURORKA [14]3 years ago
7 0

Answer:

z=0

Step-by-step explanation:

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3 years ago
A library contains 2000 books. There are 3 times as man non fiction books. Write and solve a systems of equations to determine t
icang [17]

Answer:

The number of fiction books is <u>500</u> and non fiction books is <u>1500</u>.

Step-by-step explanation:

Given:

Total book library contains = 2000.

There are 3 times as many non fiction books as fiction books.

Now, to determine the number of non fiction books and fiction books.

Let the fiction books be x.

And the non fiction books be 3x.

Total books = 2000.

Now, to get the number of non fiction books and fiction books we put an equation:

3x+x=2000.

4x=2000.

Dividing both sides by 4 we get:

x=500.

Fiction books = 500.

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Therefore, the number of fiction books is 500 and non fiction books is 1500.

4 0
3 years ago
18 subtracted from a number is 35
kogti [31]
X - 18 = 35. 53 is x, since 53 - 18 = 35.
3 0
3 years ago
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The linear equation y = 32x + 240 models the relationship between the value of an investment stock, y, and the number of years i
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3 years ago
liz wants to determine which sport students like to play the most at her school.which method will most likely produce a random e
never [62]

Answer:

Random sampling

Step-by-step explanation:

Random sampling is a method of choosing a sample of observations from a population to make assumptions about the population. It is also called probability sampling.

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2 years ago
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