Mathematics, 20.01.2020 03:31 Symonek

Answer asap! answer must be correct with with with with explanation in order to get points & brainliest answer!

Answer asap! answer must be correct with with with with explanation in order to get points &

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Answer from: kony345p

Because centimeters are 10 times larger than millimeters, the number representing the surface area of the cube would shrink by one decimal place (from 2.535 to 0.2535). However, the cube didn't actually get any bigger or smaller, only the units that we measured it with. Therefore, A and E are your correct answer choices, because the bigger the unit you're measuring with, the smaller the amount of those units something is, while at the same time, the object you are measuring never changes in real area.
Hope that helped! =)

Answer from: Quest

starting with:

5 + x - 12 = 2x - 7

5 + x - 12 - x = 2x - 7 - x (subtract x from both sides)

5 - 12 = x - 7 (combine and cancel x's from both sides)

5 - 12 + 7 = x - 7 + 7 (add 7 to both sides)

0 = x (add numbers together on both sides)

so in order for the equation to be true, x must be 0.

trying x = -0.5

5 + x - 12 = 2x - 7 (original equation)

5 + -0.5 - 12 = 2(-0.5) - 7 (plug in value of x)

5 + -0.5 - 12 = -1 - 7 (did multiplication)

-7.5 = -8 (did addition on both sides)

since -7.5 is obviously not equal to -8, the value of -0.5 for x is wrong.

trying x = 0

5 + x - 12 = 2x - 7 (original equation)

5 + 0 - 12 = 2(0) - 7 (plug in value of x)

5 + 0 - 12 = 0 - 7 (did multiplication)

-7 = -7 (did addition on both sides)

since -7 equals -7, that demonstrates that the value of 0 for x is correct.

trying x = 1

5 + x - 12 = 2x - 7 (original equation)

5 + 1 - 12 = 2(1) - 7 (plug in value of x)

5 + 1 - 12 = 2 - 7 (did multiplication)

-6 = -5 (did addition on both sides)

since -6 is obviously not equal to -5, the value of 1 for x is wrong.

Answer from: Quest

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation:

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