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navik [9.2K]
3 years ago
13

(GEOMETRY PLS HELP) Is rectangle EFGH the result of a dilation of rectangle ABCD with a center of dilation at the origin? Why or

why not?
a.Yes, because corresponding sides are parallel and have lengths in the ratio 1/4

b.Yes, because both figures are rectangles and all rectangles are similar.

c.No, because the center of dilation is not at (0, 0). 

d.No, because corresponding sides have different slopes

Mathematics
2 answers:
Gennadij [26K]3 years ago
5 0
C, the correct answer is C
mart [117]3 years ago
3 0
The correct answer is c
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aleksklad [387]

Answer:

\boxed{\bold{15x+78}}

Step By Step Explanation:

Apply Rule - (-a) = a

\bold{6\left(4x+12\right)-9x-18+4\cdot \:6}

Multiply: 4 · 6 = 24

\bold{6\left(4x+12\right)-9x-18+24}

Expand \bold{6\left(4x+12\right): \ 24x+72}

= \bold{24x+72-9x-18+24}

Simplify \bold{24x+72-9x-18+24}

= \bold{15x+78}

━ Mordancy ━

4 0
3 years ago
2 x<br>— = -----<br>7 x + 10<br><br>x = ???​
valentina_108 [34]

9514 1404 393

Answer:

  x = 4

Step-by-step explanation:

Maybe you want to find x such that ...

  2/7 = x/(x +10)

  2(x +10) = 7x . . . . . . multiply by 7(x+10)

  20 = 5x . . . . . . . . . . subtract 2x, simplify

  4 = x . . . . . . . . . . . . divide by 5

_____

<em>Additional comment</em>

You can almost solve this "by inspection" if you recognize the difference of the denominator and numerator is 5 on the left and 10 on the right. If you multiply the fraction on the left by 2/2, you get 4/14, the values in x/(x+10) in the fraction on the right.

6 0
2 years ago
1 point<br> Captionless Image
algol [13]

Answer:

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Step-by-step explanation:

6 0
3 years ago
2/3 + w = 3/2 what is w
german

Answer:

0.8333

Step-by-step explanation:

2/3 + x

x + 2/3

x + 2/3 = 3/2

x + 2/3 - 3/2 = 0

2/3 - 3/2 = 4/6 - 9/6 = - 5/6

x - 5/6 = 0

use linear function

f(x) - ax + b

f(x) = x - 5/6

a = 1

b = - 5/6

x- 5/6= 0

x = 5/6

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6 0
3 years ago
Niu earned $312 on an investment of $800. How much would $1100 have earned in the same
steposvetlana [31]

Answer:

429

Step-by-step explanation:

312/800 = .39

1100 x .39 = 429

5 0
3 years ago
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