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leonid [27]
3 years ago
15

I NEED HELP NOW!!! Which expression is equivalent to 7(k^2) where k is an even number?

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
4 0

Ans28^{k}

Step-by-step explanation:

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Which graph shows a function and it’s inverse? <br><br> HELP PLEASE
TEA [102]

Answer:

C

Step-by-step explanation:

A function and its inverse are obtained by reflecting in the line y = x

Under a reflection in the line y = x

a point (x, y ) → (y, x )

In graph C

the red line has a point (0, 2 )

the blue line has a point (2, 0 )

Then graph C shows a function and its inverse

8 0
3 years ago
What is 1/5 divided by 1 2/5
rodikova [14]

Answer:

1/7

Step-by-step explanation:

so 1/5 divided by 7/5 is 1/5 times 5/7, which is 1/7

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Read 2 more answers
Please help i need answers for my assignment
SashulF [63]

Answer:

1) $14,  2) please see explanation below  3) please see explanation below

Step-by-step explanation:

1.

a) about $15-$1

b) Higher, because the estimate lowered the price that is being subtracted.

c) 15-1=14

Pedro has about $14 left over.

2.

a) 3 is the closes because to solve this question you divide 100.8 by 35. The product is 2.88, thus supporting that 3 is the closes answer.

b) 8 is the closes because to solve this question you divide 49.2oz by 6. The product is 8.2.

c) 0.04 is the closes because to solve this question you divide 20 by 0.78, resulting in 0.039.

3.

a) 2.49 times 6 = 14.88

His parents spent $14.88 on goodie bags

b) 150 divided by 8 = 18.75

His parents spent $18.75 per hour for the bounce house.

c) 14.88 + 18.75 = 33.63 and 182.53 - 33.63 = 148.90

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8 0
3 years ago
9. What is the scale factor of the dilation?
hodyreva [135]

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D

Step-by-step explanation:

The scale factor is the ratio of the corresponding sides, image to original, that is

scale factor = \frac{P'S'}{PS} = \frac{6}{3} = 2 → D

5 0
3 years ago
Factorise (x+y)^2-(4-x)^2​
vovikov84 [41]

Answer:

by using the identity a square - b square = (a+b)*(a-b)

a = x+y

b=4-x

= (x+y + 4-x)(x+y - 4-x)

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y+4*2x+y-4

2xy+y square -4y + yx + 4x + 4y - 16 +4x

3xy +y square + 8x -16

Step-by-step explanation:

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