Which statement best explains why this expression is equal to 86.21 86 21 ?

Mathematics

1 answer:

lana [24]2 years ago

5 0

Is there any more of the problem

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When you add two rational numbers, each number can be written as a?

ra1l [238]

The correct answer to your question is... a rational #, because when you add two rational #'s, each # can be written as a rational #.

Reasoning:
So, adding two rational #'s like adding fractions will result in another fraction of this same form since integers are closed under + and x. Thus, adding two rational #'s produces another rational #.

By the way # means number.

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8 0

2 years ago

WILL GIVE BRAINLIEST!! FINALS!

GenaCL600 [577]

Factor completely x³ + 6x² - 3x – 18
$- 6 + 6( - 6)^{2} - 3( - 6) - 18 \\ - 6 +6 \times 6 ^{2} + 18 - 18 \\ - 6 + 6 ^{3} + 18 - 18 \\ - 6 + 216 \\ 210$
with a root of x = -6

the answer is 210

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2 years ago

The angle of the roof on Wendy's dollhouse is 56°. She built a scale model of the dollhouse with a scale ratio of 1:4. What is t

antiseptic1488 [7]

56. Angles will not change if you stretch out the lines making them.

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2 years ago

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Express 20 cm to 400 mm in simplest form

solong [7]

Answer:

Step-by-step explanation: