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saveliy_v [14]
3 years ago
9

What is the answer to the problem, -7^2?

Mathematics
2 answers:
marta [7]3 years ago
8 0
-7²= -7 * -7 =49
Because a negative multiplied by a negative equals a positive.
stich3 [128]3 years ago
4 0

Answer:

49

Step-by-step explanation:

-7² = -7 × -7 = <u>4</u><u>9</u>

So, -7² = 49

<em>Hope it helps and is useful</em><em> </em><em>:</em><em>)</em>

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Compute the following without using a calculator. You must show your work to receive full credit.
Tomtit [17]

Answer: 50,001²-49,999²=0,2.

Step-by-step explanation:

50,001^2-49,999^2=(50,001+49,999)*(50,001-49,999)=100*0,002=0,2.

3 0
2 years ago
Jasmine earns an annual salary of $45609, as a therapist. How much does she earn per month?
stealth61 [152]

Answer:

3800.75

Step-by-step explanation:

$45609/12 months=$3800.75 per month

4 0
3 years ago
Read 2 more answers
Can someone like an ace or very good at math help me
eimsori [14]
Supplementary angles , when added, = 180
complimentary angles, when added, = 90

< AQC + < GQC = 180.....supplementary
< BQD + < DQE = 90.......complimentary
< CQE + < EQF = 90.......complimentary
< GQF , < FQE.....neither
< BQC + < DQC = 90....complimentary

< W and < X are supplementary...
if < W = 37, then < X = (180 - 37) = 143

< S and < T are complimentary
if < S = 64, then < T = (90 - 64) = 26

< C and < D are supplementary
if < C = 83, the < D = (180 - 83) = 97

cant read all of the last one.....but if they are complimentary, and 
< U = 41, then the other angle is : (90 - 41) = 49


4 0
3 years ago
Last tuesday evening, Aaron, the car wash owner, found he had 90% more quarters than dimes. If the combined value of Aaron's qua
Alex Ar [27]

Aaron the car wash owner had 228 quarters and 120 dimes.

<h3>Equation</h3>

An equation is an expression used to show the relationship between two or more variables and numbers.

Let x represent the number of quarters and y represent the number of dimes. Hence:

x = 90% of y + y

x = (0.9y) + y

x - 1.9y = 0   (1)

Also:

0.25x + 0.1y = 69   (2)

From both equations:

x = 228, y = 120

Aaron the car wash owner had 228 quarters and 120 dimes.

Find out more on Equation at: brainly.com/question/13763238

4 0
2 years ago
Kit said that 7/8+5/6 is greater than 1 ehoke.Is she correct? Explain.
dlinn [17]
She is correct, first of all, to add 7/8 and 5/6; you must have common denominators so make 7/8 into 42/48 and make 5/6 into 40/48. Then just add them together now, and it will be 82/48. This when you divide 82/48 it will be 1 17/24. So, your answer is, yes, Kit is right.
7 0
3 years ago
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