3 years ago

Someone, Please Help!!

Mathematics

1 answer:

zhenek [66]3 years ago

3 0

Answer:

true

Step-by-step explanation:

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N/-1.5 = -1.2 DO NOT round the solution

wariber [46]

N = -1.5 * -1.2 = 1.8

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4 years ago

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Which expression is equivalent to (−7x+8x+19y)−(6y+8−20x−16y)?

Kisachek [45]

Answer:

21x + 29y - 8

Step-by-step explanation:

(−7x+8x+19y)−(6y+8−20x−16y)

−7x+8x+19y−6y-8+20x+16y

(−7x+8x+20x)+(19y−6y+16y)-8

21x + 29y - 8

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2 years ago

Simplify (2+2i) divided by (1-i)

Verdich [7]

Answer: 2i

Step-by-step explanation:

$\frac{2+2i}{1-i}$

$=\frac{\left(2\cdot \:1+2\left(-1\right)\right)+\left(2\cdot \:1-2\left(-1\right)\right)i}{1^2+\left(-1\right)^2}$

$=\frac{4i}{2}$

$=2i$

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3 years ago

What are the factors of 114?

sattari [20]

1,2,3,6,19,38,57,114

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3 years ago

Answer with explanation<br> I will and rate on the feedback.<br> Will mark brainliest too

yarga [219]

Answer: 6.6

Step-by-step explanation:

We have two triangles. Find the hypothenuse of the first triangle to make it easier to solve the second triangle.

First triangle:

a = 6

b = 8

c = ?

Use pythagorean's theorem

$c^2=a^2+b^2\\c=\sqrt{a^2+b^2}$

$c=\sqrt{(6)^2+(8)^2}\\ c=\sqrt{36+64}\\ c=\sqrt{100}\\ c=10$

This hypothenuse is valid for both triangles. Having said this, we already have 2 sides of the second triangle; c and a. We need to find b.

$c^2=a^2+b^2\\b^2=c^2-a^2\\b=\sqrt{c^2-a^2}$

$b=\sqrt{(12)^2-(10)^2}\\ b=\sqrt{144-100}\\ b=\sqrt{44}\\ b=6.6$

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3 years ago