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kodGreya [7K]
3 years ago
11

What number do we use to replace the (a) a-(-19)= -12

Mathematics
1 answer:
Lena [83]3 years ago
7 0

Answer:

-31

Step-by-step explanation:

We write the equation out

a-(-19)=-12

Distribute the -1

a+19=-12

Subtract the 19 on both sides

a=-31

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1. Amanda buys a new car for $65,000 and had to pay 8.75% sales tax. i. How
svetoff [14.1K]

Step-by-step explanation:

<em>Amanda had to give away 8.75% </em><em>of</em><em> $65,000.</em>

So:

(8.75÷100) × 65,000

= $5687.5 of tax

8 0
3 years ago
PLSSSS HELP ME PLSSSSS
Yakvenalex [24]

Answer:

1/27

Step-by-step explanation:

Ok this looks like a huge number but if you break it into smaller numbers its easier to work with

3^5=243 so we can write...

(3^5)^-3/5

Rule of exponents state that you can multiply powers

5*3/5=15/5=-3

Because its negative we would make it over 1

1/3^3

And simplify...

1/3*3*3

1/27

8 0
3 years ago
The length of ac to the nearest tenth
AlexFokin [52]
The answer in 14.3

You use a proportion to compare AE with AD and AB with AC.

9/14 = 9.2/x
x=14.3
(14 is the length of AD)
8 0
3 years ago
Read 2 more answers
3. The sum of three consecutive integers is 1,623.
TiliK225 [7]

Answer:

540, 541, 542

Step-by-step explanation:

let the number be n

hence the 3 consecutive numbers may be expressed as:

n , n+1, n+2

it is given that the sum of the 3 numbers is 1623

hence,

n + (n+1) + (n+2) = 1623

n + n + 1 + n + 2 = 1623

3n + 3 = 1623

3n = 1623 -3

3n = 1620

n = 1620 / 3

n = 540

hence the numbers are

540, (540 + 1) , (540 + 2)

or

540, 541, 542

8 0
3 years ago
Read 2 more answers
sophia has 131 pages to read in 2-5 days. Would it be possible for her to read the same number of pages each day?
Contact [7]
No, it wouldn’t be. there is no whole, so there is no way. except if she reads half a page for two days. :)
4 0
3 years ago
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