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Len [333]
3 years ago
7

What is -7 to the second power

Mathematics
2 answers:
Paha777 [63]3 years ago
8 0

Answer:

+49

Step-by-step explanation:

-7 x -7 = +49 because the negatives cancel out, resulting in a positive

valkas [14]3 years ago
3 0

Answer:

49

Step-by-step explanation:

-7 multiplied by -7 would be 49

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Can two fractions with the same numerator and different denominators can be equal.
mel-nik [20]

Nope!

They cannot be equal if they have the same numerator but different denominators. they need to be able to reduce into the same number

8 0
3 years ago
Find the surface area of the composite figure​
Gnoma [55]

Answer:

=280 in^2

Step-by-step explanation:

----------------------------------------

Let's find the surface area of the pink rectangular prism first.

2*10=20+20=40

4*10=40+40=80

4*2=8+8=16

40+80+16=136

The surface area for the pink rectangular prism is 136 in^2.

-------------------->>>>>

Now, let's find the surface area of the green rectangular prism.

4*7=28+28=56

4*7=28+28=56

4*4=16+16=32

56+56+32=144

The surface area for the green rectangular prism is 144 in^2.

-------------------->>>>>

Now let's add the surface area of both rectangular prisms to find the surface area of the composite figure.

136+144=

=280 in^2

----------------------------------------

Hope this is helpful.

6 0
3 years ago
Read 2 more answers
Eight times the reciprocal of a number equals 2 times the reciprocal of 10. Find the number.
Marat540 [252]

Answer:x=40

Step-by-step explanation:

To find this

8 times the reciprocal of a number

We get

Assume the number is x

8×1/x=2×1/10

8/x=2/10

8/x=1/5

Cross multiply

x=40

5 0
3 years ago
ROUND YOUR ANSWER TO THE NEAREST TENTH
Alenkasestr [34]

Answer:8 I think, sorry it it is wrong

Step-by-step explanation:

7 0
3 years ago
What is 2x-5y+15=0 written in slope-intercept form
Nadya [2.5K]
The answer is y=2/5x+3
6 0
3 years ago
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