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erma4kov [3.2K]
2 years ago
7

Could you guys help me ? I'll give brainliest

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
4 0

When you raise a number to a negative exponent, change the exponent to a positive and make the complete number a fraction with 1 as the numerator.

5 ^-2 = 1/5^2

The answer is C.

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For quadrilateral ABCD, determine the most precise name for it. A(-2,3), B(9,3), C(5,6) and D(2,6). Show your work and explain.
horsena [70]
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8 0
3 years ago
The area of a rectangle is 45 sq ft. its perimeter is 36 ft. Find the length and width.
mr_godi [17]
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8 0
3 years ago
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Solve.
lions [1.4K]

Answer:

b=9,a=12

Step-by-step explanation:

I solved by substitution:

b = 3/4a  ---> plug this into the other equation

a + b = 21   is now    a + 3/4a = 21

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a = 12

Now solve for b:

b=3/4a is now b=3/4(12)

b=9

6 0
3 years ago
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Which statement best describes the effect on the graph of y = (x – 9)2 if the equation is changed to y = (x + 9)2?
7nadin3 [17]

Answer:

You won't be in the negative but postive side of the graph

Step-by-step explanation:

6 0
3 years ago
Can you help me find MAD for this
White raven [17]

Answer:

5

Step-by-step explanation:

(3+15+21+13)/4 = 13

13 - 3 = 10

15 - 13 = 2

21 - 13 = 8

13 - 13 = 0

(10+2+8+0)/4 = 5

3 0
3 years ago
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