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Dmitrij [34]
3 years ago
7

Simplify the following:

Mathematics
1 answer:
kolbaska11 [484]3 years ago
5 0
you distribute the negative to the right side of the equation so it would be 10x-5-7x-3
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What is the rate for 46 and 2?
erastova [34]

the answer would be 23 because 46 and 2 are both common factors of 23.


8 0
4 years ago
The width and the length of a rectangle are consecutive even integers. If the width is decreased by 3 inches, then the area of t
Yuliya22 [10]

The original are would be 48.

Since we know that the length and width are two consecutive even integers, we can model them as follows:

Width = x

Length = x + 2

This works because no matter what even number is put in for x, the length will also be even.

Now we know if we subtract 3 from the width, we have a new rectangle that gives us an area of 24 inches. Therefore, our new triangle has the following:

Width: x - 3

Length: x + 2

Area: 24

And we can plug this into the equation.

Length* Width = Area

(x + 2)(x - 3) = 24

x^2 - x - 6 = 24

x^2 - x - 30 = 0

This is not a quadratic that we can factor to show the following:

(x - 6)(x + 5) = 0

This gives us the answers of x = 6 and x = -5. Since a side can't be negative, we throw out the x = -5 and the answer is x = 6.

So if we go back to the original rectangle, we know:

Width = x = 6

Length = x + 2 = 8

Area = 6*8 = 48

7 0
3 years ago
This is the problem:Brooke has to set up 70 chairs in equal rows for the class talent show.But ,there is not room for more than
Leni [432]

10 in each row, 7 in each row
4 0
3 years ago
Read 2 more answers
Hellpppp<br><br> what's the missing number? 7/16 = ?/64<br><br> a) 4<br> b) 21<br> c) 28<br> d) 55
Gnom [1K]
Answer: 28

EXPLANATION:
16 ÷ 64 = 4
7 x 4 = 28
3 0
3 years ago
Read 2 more answers
Solve 16.24 divided by 1000
cricket20 [7]
16.24 ÷ 1,000 = 0.01624

Good luck! <3

5 0
4 years ago
Read 2 more answers
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