3 years ago

Use the distributive property to expand this equation please2/3 (18x + 6z)

Mathematics

1 answer:

natta225 [31]3 years ago

3 0

Answer:

12x + 4z

Step-by-step explanation:

Given: 2/3 (18x + 6z)

Multiply the fraction 2/3 into each term

( $\frac{2}{3}$ )*18x + ( $\frac{2}{3}$ )*6z

$\frac{36}{3}$ x + $\frac{12}{3}$ z

12x + 4z

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in a regular polygon each interior angle is 140 greater than each exterior angle calculate the number of sides of each polygon .

Elodia [21]

Answer:

Step-by-step explanation:

Exterior sides = 180 - 140 = 40

number of sides = 360 / 40 = 9 sides

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3 years ago

Help pls fast and give me the steps<br> -15a-19-35=-84

Nimfa-mama [501]

Answer:

a=2

Step-by-step explanation:

-15a-19-35=-84

-15a-19=-49

-15a=-30

a=2

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3 years ago

60 boys at a summer camp were asked to complete a survey about their favorite outdoor activity. 18 boys chose biking and 29 boys

stepladder [879]

First youll want to add 18 and 29. which gives you 43. then you’ll want to find out how much is 29 people percentage wise. so you’ll do 29/43 which gives you 67.44% if it’s answer choices. you round it to the most whole number if they don’t use decimals.

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3 years ago

Need help<br> Question in the screenshot below<br> NO spam<br> Please show your work

Alja [10]

<h3>Answer: x = 6</h3>

======================================================

Work Shown:

$\log_{4}(x+10)+\log_{4}(x-2)=\log_{4}(64)\\\\\log_{4}\left((x+10)(x-2)\right)=\log_{4}(64)\\\\(x+10)(x-2)=64\\\\x^2-2x+10x-20=64\\\\x^2-2x+10x-20-64=0\\\\$

$x^2+8x-84=0\\\\(x+14)(x-6)=0\\\\x+14=0 \ \text{ or } \ x-6=0\\\\x=-14 \ \text{ or } \ x=6\\\\$

Those are the possible solutions, but plugging x = -14 back into the original equation will lead to an error. So we rule x = -14 out

x = 6 works as a solution however

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3 years ago

A diver is swimming at -10m. he then descends 3 m and rises 6 m. at what new level is the diver swimming?

yaroslaw [1]

-10-3+6= -7

hope this helped!!

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3 years ago

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