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2 years ago

Write the coordinates of the vertices after a reflection across the line x= -3

Mathematics

1 answer:

anzhelika [568]2 years ago

3 0

(Please vote me Brainliest if this helped!)

C' (-3, -6)
D' (-3, 1)
E' (0, -6)

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Is 9 + 3 + 6x the simplify expression of 9 - (3 - 6x)?

Vinil7 [7]

E. he did not multiply 3 by -1 correctly

The simplify expression is 9 - 3 + 6x = 6 + 6x

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2 years ago

Need help Please _______

vfiekz [6]

Answer:

900 m

Step-by-step explanation:

since it is an irregular figure, you would have to find the area of the rectangles making it up separately.

18 x 30 = 540

6 x 60 = 360

540 + 360 = 900

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2 years ago

Mr. Woo wants to ship a fishing rod that is 42 inches long to his son. He has a box with the dimensions shown.

brilliants [131]

Answer:

A. $s^2=1,700$

B. 42.4 inches. It will fit.

Step-by-step explanation:

Let s = the length of the diagonal across the bottom of the box.

$w^2+l^2\\\\10^2+40^2 = s^2\\\\100+1,600 = s^2\\\\1,700 =s^2\\\\$

Therefore, $s^2=1,700$

Let r = the length from a bottom corner to the opposite top corner.

$h^2+s^2\\\\10^2+1,700=r^2\\\\100+1,700=r^2\\\\1,800=r^2 \\\\42.4=r$

Therefore, the length of the longest tube that will fit in the box is 42.4 inches.

Since the fishing rod is only 42 inches long, which is less than 42.4 inches, by only 0.2 inches, it means it will still fit.

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1 year ago

What is the slope of the line through (1, 9) and (–3, 16)?

Lerok [7]

Answer:

Step-by-step explanation:

slope = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

= $\frac{16-9}{-3-1}$

= $\frac{7}{-4}$

Therefore slope = -7/4

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2 years ago

Write the expanded form of the expression<br> y(0.25 +6)

Murrr4er [49]

Answer:

free points for a easy question. You do 0.25+6 in expanded form

Step-by-step explanation:

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2 years ago