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3 years ago

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:

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.

$4*7=28+28=56$

$4*4=16+16=32$

$56+56+32=144$

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:

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3 years ago

What is 2x-5y+15=0 written in slope-intercept form

Nadya [2.5K]

The answer is y=2/5x+3

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3 years ago

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