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vichka [17]
3 years ago
11

State the name of the property illustrated. (x + 7) + [-(x + 7)] = 0

Mathematics
1 answer:
Vadim26 [7]3 years ago
3 0

Answer:

addittional property

Step-by-step explanation:

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I'M OFFERING 20 POINTS-
Dafna11 [192]

Answer:

Third option is correct. Scale factor 3 ; enlargement.

Step-by-step explanation:

It is given that the figure A'B'C'D' is a dilation of figure ABCD.

We know that after dilation the corresponding sides of image and preimage are in the same proportion.

The image of AD is A'D'.

From the figure it is noticed that the A(-1,2), D(-1,-1), A'(-3,6) and D'(-3,-3).

Distance formula is

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

AD=\sqrt{(-1+1)^2+(-1-2)^2}=\sqrt{9}=3

A'D'=\sqrt{(-3+3)^2+(-3-6)^2}=\sqrt{81}=9

Scale factor is constant which represents the relation between image and preimage.

k=\frac{A'D'}{AD}

k=\frac{9}{3}

k=3

Therefore the scale factor is 3.

If k>0 it means enlargement and if k<0 it means reduction. Therefore third option is correct.

3 0
3 years ago
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Marvin was buying soil for his flower garden. What would be the most reasonable amount of soil he would need to buy for a flower
muminat

Answer:

60 liters

Step-by-step explanation:

5 0
3 years ago
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Which expression represents -8x2 + 54x + 140 in factored form?
ra1l [238]

Answer:

-2(x+2)(4x-35)

Step-by-step explanation:

Factor out the 2 and by grouping.

3 0
3 years ago
Find the product 3/8x40
Naya [18.7K]

Answer:

15

Step-by-step explanation:

To calculate

\frac{3}{8} × 40 ( divide (cancel ) 8 and 40 by 8 )

= 3 × 5 = 15

5 0
3 years ago
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Which term is equal to -332?
velikii [3]

Answer:

-|332|

Step-by-step explanation:

the abslute value of 332 |332| = 332

when we add minus out the abslute sign the minus will be there when we find the answer for it, so;

-|332| = -332

6 0
3 years ago
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