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liraira [26]
3 years ago
9

2 questions plz answer i need help! will do brainliest answer and Thanks

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
4 0
1. 9
2. 8
I hope this helped! #Sobangcha
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-4^2-17
Irina18 [472]

Answer:

Step-by-step explanation:

-4 is really  -1 * 4

-4² = -1 * 4²

-4² = -1 * 16

-4² = -16

Use parenthesis  to square

(-1 * 4)² = (-4)²

(-4)² = 16

5 0
3 years ago
Which of the following options have the same value as 30%, percent of 81? Choose 3 answers:
Mila [183]

30% is a way to express the fraction 30/100 = 3/10

So, 30% of 80 is

80\cdot \dfrac{3}{10}=8\cdot 3 = 24

5 0
3 years ago
Factor completely: X^3-5x^2-9x+45
lesantik [10]

Answer:

x^2(3x-5)-9(x_5)

I think that is the answer and hope you will benefit from it

4 0
3 years ago
Read 2 more answers
The product of (-2)(-5)(-7)
Effectus [21]
(-2)(-5)(-7)
(10)(-7)
-70
The product is -70
3 0
3 years ago
Read 2 more answers
Max's grade on the first math exam was a 94. His grade on his seond math exam was an 89. What was the percent of change in Max's
Tom [10]

We are given that

Max's grade on the first math exam was a 94

so, first exam grade =94

His grade on his seond math exam was an 89

so, second exam grade =89

change in grade=(first exam grade)-(second exam grade)

change in grade=94-89

change in grade=5

Percentage = ( change in grade)/( first exam grade) *100

so, percentage is

=\frac{5}{94}\times 100

so,

the percent of change in Max's grade to the nearest whole percentage was 5%..........Answer



5 0
3 years ago
Read 2 more answers
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