3 years ago

Please help me !!!!!

Mathematics

1 answer:

Tasya [4]3 years ago

4 0

Answer:

B. A dilation with a scale factor of 0.5

Step-by-step explanation:

A. is wrong because it is congruent transformation because reflections keep the angles and side lengths of the figure the same.

B. is right because it is NOT congruent because a dilation of any scale factor other than 1 results in a similar figure, because the side lengths are proprtional but not equivalent

C. is wrong because translations keep the angles and side lengths of the figure the same.

D. is wrong because a scale factor of 1 changes nothing about the figure.

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What percent of 51 is 127.5?

kolbaska11 [484]

$51 * \frac{x}{100} = 127.5 
 \\ 
51 * x = 127.5 * 100 \\ 
51*x = 12.750 \\ 
x = \frac{12.750}{51} \\ \\ 
x = 250 
$

the percentage is 250

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4 years ago

Which of the following is not in scientific notation?

SSSSS [86.1K]

Answer:

I believe the answer would be 61.2 x 10^4

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

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3 years ago

Please Help

iVinArrow [24]

Answer:

hundredths; 81.73

Step-by-step explanation:

If the number underlined is two, then it will rounding to the hundredths place. Since the number after it is 7, which is greater than 5, we get 81.73.

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2 years ago