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skad [1K]
4 years ago
12

What is the value of 4x-7 when x=0?

Mathematics
2 answers:
dem82 [27]4 years ago
6 0

Answer:

-7

Step-by-step explanation:

4*0=0

0-7= -7

olya-2409 [2.1K]4 years ago
5 0

Answer:

-7

Step-by-step explanation:

= 4x - 7

= 4(0) - 7

= 0 - 7

= -7

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I need help I’m in my class right now plz help me
Maru [420]

Answer:

minus 7a plus 11

Step-by-step explanation:

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3 0
3 years ago
Ryan is training for a running race. He needs to run 20 miles per week as part of his training. He ran 4.32 miles on Monday and
NeX [460]
The answer is B, (8)
6 0
3 years ago
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There are 420 books on a bookcase with 7 shelves. Each shelf has the same number of books. How many books are on 4 shelves? 28 6
Ghella [55]
If we have 420 books for every 7 shelves and are looking for how many books are on 4 shelves, we need to set up fractional proportions.

We have 7 shelves for every 420 books, so we will have our first fraction like this:
7/420.
We also have 4 shelves for every x books, so our second fraction will be 4/x.

Set these fractions up as an equation.
7/420 = 4/x

To solve for x, we need to cross multiply the numerators of one fraction with the denominators of the other fraction.
In other words, multiply the top number of one fraction by the bottom number of the other question.

It should look like this:
7(x)
420(4)

7(x) = 7x
420(4) = 1680

Set your products up as an equation.
7x = 1680

Now to solve for x, we need to simplify.
Currently, x is being multiplied by 7.
To get x alone, divide 7x by 7.
Remember, what you do to one side of an equation, you must do to the other, so divide 1680 by 7.

7x / 7 = x
1680 / 7 = 240

You are left with:
x = 240.

For every 4 shelves you have 240 books.

I hope this helps!

3 0
3 years ago
Pls help asap solve each inequality<br><br> 9n - 1 &lt; 10n<br><br> 5h ≤ 12 + 4h
Stella [2.4K]
Here try this answer

6 0
3 years ago
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58/7 as a mixed number
iragen [17]
To convert an improper fraction into a mixed number, you must find how many times the denominator fits into the numerator cleanly. 
58/7
=8.385
It fits in 8 times.
8*7=56
58-56=2
There is a remainder of 2.

The Mixed number would be 8 2/7.

Hope this helps!
-Benjamin
8 0
3 years ago
Read 2 more answers
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