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timama [110]
3 years ago
10

What makes the statement true? 7^-2=? A. 49 B. 1/49 C. 14 D. 1/14

Mathematics
1 answer:
pogonyaev3 years ago
8 0
49
{7}^{ - 2}  \\ 7 \times  - 7 =  - 49
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What is the mean absolute deviation<br> 4 2 2<br> of the following set of data?<br> 10
mina [271]

Answer:

<em>mean absolute deviation would be 2.75</em>

Step-by-step explanation:

mean: 4 + 2 + 2 + 10 = 18/4 = 4.5

4.5 - 4 = 0.5

4.5 - 2 = 2.5

4.5 - 2 = 2.5

4.5 - 10 = 5.5

mean absolute deviation: 0.5 + 2.5 + 2.5 + 5.5 = 11/4 = 2.75

~hope this helps~

please mark me the brainliest, I would highly appreciate it :)

5 0
3 years ago
Plsss hellppp meeee i will name u brainiest
Varvara68 [4.7K]

Answer:

Yes for 1st and 4th, No for the 2nd, 3rd and 5th.

Step-by-step explanation:

You need to plug the first number in each set of brackets into x and the second number into y. The first equation asks if y is the greater than -x. The only ones this is true for are the 1st, 3rd, and 4th answers, so the 2nd and 5th are no. Now check the 1st, 3rd and 4th to see if the answer is less than or equal to 2 when plugging in x and y. This is true for the 1st and 4th answers, so move those to yes and the 3rd to no.

Answer: Yes for 1st and 4th, No for the 2nd, 3rd and 5th.

7 0
4 years ago
Solve this equation for<br> a. A ÷ 2 = 4<br> A. 8<br> B. 6<br> C. 4<br> D. 2
Volgvan
A ÷ 2 = 4

Multiply both sides by 2.

a ÷ 2 × 2= 4 × 2

a = 4 × 2

a = 8

Your final answer is A. 8.
6 0
3 years ago
Dennis is going to use a number line to multiply 6 × 4.
Sergeeva-Olga [200]
B. The answer will always be to the right of 4.
6 x 4 = 24
24 is greater than 4, which means it is to the right of 4. On a number line, numbers increase from left to right.
8 0
3 years ago
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Find the height of a triangle with sides equal to 9 and a base of 6
Damm [24]

see attached picture.

Round off answer as needed.

6 0
4 years ago
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