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Ludmilka [50]
3 years ago
5

Solve for a.

Mathematics
2 answers:
Alik [6]3 years ago
7 0

Answer:

the answer is A

Step-by-step explanation:

-17 - (-7) = -24

a = -24

MatroZZZ [7]3 years ago
3 0

Answer:

b) a = -10

Step-by-step explanation:

a + (-7) = -17

<em>simplify</em>

a - 7 = -17

<em>add 7 to both sides of the equation</em>

a - 7 + 7 = -17 + 7

a = -17 + 7

a = -10

You might be interested in
Rex paid $250 in taxes to the school district that he lives in this year. This year's taxes were a 12% increase from last year.
Verizon [17]

Answer:

$223.21

Step-by-step explanation:

Last year the amount of taxes was x, an unknown amount. That was 100% of last year's tax cost.

This year, taxes went up by 12%, so this year the taxes are 112% of what they were last year. This year the taxes were 112% of x, and they were $250.

112% of x = 250

1.12x = 250

x = 250/1.12

x = 223.21

Answer: $223.21

8 0
3 years ago
Which expression has a value greater than 43 ?<br><br> PLEASEEE HELP!
lozanna [386]

Answer:

7^2

Step-by-step explanation:

7*7=49

4^3=43

49>43

8 0
2 years ago
-7 times -8? -40 divided by 10?
alekssr [168]
-7 times -8 is 56 and -40 divided by 10 is -4
4 0
3 years ago
(4a - b)(2a - 3b) =<br><br>A 8a² + 3b²<br>B 8a² - 3b²<br>C 8a² - 10ab + 3b²<br>D 8a² - 14ab + 3b²
Alika [10]

Answer:

The answer is option D.

Step-by-step explanation:

(4a - b)(2a - 3b)

Expand the terms

We have

8a² - 12ab - 2ab + 3b²

Which is

8a² - 14ab + 3b²

That's option D.

Hope this helps you

3 0
3 years ago
If x and ​(19x+30​) are the measures of complementary​ angles, what is the measure of each​ angle?
Alisiya [41]

Answer:

3° and 87°

Step-by-step explanation:

<em>here's</em><em> your</em><em> </em><em>solution</em>

<em> </em><em>=</em><em>></em><em> </em> we know that measure of complementary angle is 90°

=>. one angle is. = x

=> other angle is .= (19x + 30)

=> so, x + 19x + 30° = 90°

=> 20x + 30° = 90°

=> 20x = 60°

=> x = 60/20

=> x = 3°

hence one angle is 3° and other is 87°

hope it helps

7 0
3 years ago
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