2 years ago

PLEASE HELP IM FAILING THIS CLASS

Mathematics

2 answers:

BaLLatris [955]2 years ago

5 0

Answer:Y=3x+7.25

Step-by-step explanation:

vlada-n [284]2 years ago

5 0

I think answer is Y=3x+7.25

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Expanding and Adding Expressions Use the expansion shown to simplify the expression. One-half (3 x minus two-thirds y) + 3 (Star

Lisa [10]

Answer:

$3x+\frac{7}{6}y$

Step-by-step explanation:

To simplify the expression, we first open the parenthesis, then we collect all the like terms. Lastly we simplify the like terms to its simplest form. Given that:

$\frac{1}{2}(3x-\frac{2}{3} y)+3(\frac{x}{2}+\frac{1}{2}y )\\\\Firstly, we\ expand\ the\ parenthesis:\\\\=\frac{1}{2}(3x)-\frac{1}{2}(\frac{2}{3} y)+3\frac{x}{2}+3(\frac{1}{2} y)\\$

$=\frac{3}{2}x-\frac{1}{3}y +\frac{3}{2}x+\frac{3}{2} y\\\\ Collecting\ like\ terms:\\\\=\frac{3}{2}x+\frac{3}{2}x-\frac{1}{3}y+\frac{3}{2}y\\\\Adding \ terms:\\\\=3x +\frac{7}{6}y$

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2 years ago

I need help answering the question 2 and showing my work

stiv31 [10]

I really don’t know. Try using answers.com. Sorry hasn’t able to help :/

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2 years ago

-2(4ab+3-4c) Use the distributive property to rewrite the expression above

LekaFEV [45]

Answer:

-8ab-6+26

Step-by-step explanation:

-2(4ab+3-4c)

-2(4ab) = -8ab

-2(3) = -6

-2(-4c)= 2c

Combine:

-8ab-6+26

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3 years ago

What is a proof of the volume of a pyramid

lora16 [44]

The formula for the volume of a pyramid (V) is 1/3 the area of the base (B) multiplied by the height (H). If that’s what you’re asking:)

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2 years ago

Which value is greater than 0.4

Maurinko [17]

Answer:

C and D

Step-by-step explanation:

9% = 9/100 = 0.09 < 0.4

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7.8 * 100 = 780 > 0.4

7/16 = 0.4375 > 0.4

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2 years ago

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