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tatyana61 [14]
3 years ago
7

Round 6,824to the nearest ten

Mathematics
1 answer:
SOVA2 [1]3 years ago
3 0
6,824 rounded to the nearest ten is 6,820.

That is because 6,824 is closer to 6,820 than it is to 6,830.
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(4,-5) reflected over y = x
sweet-ann [11.9K]
Answer: (-5,4)

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places. If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed). the line y = x is the point (y, x).
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2 years ago
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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Helllppppppppppppppp
AveGali [126]

Answer:

4/5

Step-by-step explanation:

I THINK

8 0
3 years ago
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Need Help ASAP!! 100 points andbranliest plz pleople plz help.
mafiozo [28]

Answer:

what grade are you in so then I could get the answer

4 0
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Please I need help!! Thank you
Artemon [7]
BD=10 because it is symmetrical to AD.
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2 years ago
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