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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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Please show work
Wewaii [24]

Answer:

D and A

Step-by-step explanation:

8. 1+8n^2-5n-7

8n^2-5n-6

9. -6-7

-13

5 0
2 years ago
Help!!! I just need Help on number 6 please!!!!!!!! ASAP!!!
PtichkaEL [24]

Answer:

3

Step-by-step explanation:

\sqrt{12} =3.46 (2 decimal places)

If you want to arrange the tiles into a square, you will need 3.46 in each row/column.

This is physically impossible, hence you round it down to 3.

(If you round it up, you won't have enough tiles since 4*4=16)

Thus, the square area will be 3*3=9

Tiles left: 12-9=3

6 0
3 years ago
THE QUESTION IS DOWN BELOW.<br>major points when given branliest
emmainna [20.7K]

The ratios are Surface area ⇒ 4 : 25 Height ⇒ 2 : 5 and Volume ⇒ 8 : 125

<h3>How to determine the ratios?</h3>

The scale factor is given as:

m : n = 2 : 5

For the area, we take the square of the ratios.

i.e.

Area = 2^2 : 5^2

Evaluate

Area = 4 : 25

For the volume, we take the cube of the ratios.

i.e.

Volume = 2^3 : 5^3

Evaluate

Volume = 8 : 125

The given scale factor can be used for the height of the model and the original bicycle

Hence, the ratios are

Surface area ⇒ 4 : 25

Height ⇒ 2 : 5

Volume ⇒ 8 : 125

Read more about ratios at:

brainly.com/question/13419413

#SPJ1

7 0
1 year ago
Pentagon PQRST is drawn on a coordinate plane below. what rule best represents a dilation to create pentagon PQRST with a scale
otez555 [7]

Answer: (x,y) \to (\dfrac12 x, \dfrac12 y)

Step-by-step explanation:

  • Dilation is a transformation, in which the size of the image gets changed but not shape.

The rule of dilation with scale factor k and wither origin as center of dilation :

(x,y) → (kx, ky)

Here , k= \dfrac12 , center of dilation = Origin

Then, the rule best represents a dilation to create pentagon PQRST will be :

(x,y) \to (\dfrac12 x, \dfrac12 y)

5 0
2 years ago
Asap need help fast pls!!!!!!
anastassius [24]

Answer:

i think its 20 too, tho good luck

Step-by-step explanation:

6 0
3 years ago
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