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3 years ago

12

expand each of the linear expression below using the distributive property,showing all work and simplifying your answer complete

ly -3(-6b+5)

1 answer:

evablogger [386]3 years ago

7 0

-3(-6b+5) -3 times -6b= 18b and -3 times 5= -15 so the answer is 18b-15

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3 times the sum of 1/3 of a number and 8 is 11

Bumek [7]

3(1/3x + 8) = 11
x + 24 = 11
x = 11 - 24
x = - 13

5 0

2 years ago

A 20% apple juice drink is mixed with a 100% apple juice drink. The function f(x)=(2)(1.0)+x(0.2)2+x models the concentration of

luda_lava [24]

Answer:

17.5

Step-by-step explanation:

Given that:

20% apple juice drink is mixed with a 100% apple juice drink.

$f(x)=\dfrac{(2)(0.1)+x(0.2)}{2+x}$

represents the concentration of apple juice in the drink when $x$ gallons of 20% drink are added to 2 gallons of pure juice.

Also, given that 6 gallons of 20% drink are added to the 2 gallons of pure juice.

To find:

The concentration of apple juice in the drink = ?

Solution:

Given the function:

$f(x)=\dfrac{(2)(0.1)+x(0.2)}{2+x}$

and

$x=6\ gallons$

$f(x)=\dfrac{(2)(0.1)+6(0.2)}{2+6}\\\Rightarrow f(x)=\dfrac{0.2+1.2}{8}\\\Rightarrow f(x)=\dfrac{1.4}{8}\\\Rightarrow f(x)=\bold{0.175}$

In percentage, the concentration 17.5.

7 0

2 years ago

Find the x intercepet

Pepsi [2]

Answer:

7.5

Step-by-step explanation:

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3 years ago

Isaiah needs to order some new supplies for the restaurant where he works. The restaurant needs at least 793 spoons. There are c

irga5000 [103]

I don’t know thanks for the points

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2 years ago

Using Rigid motion, explain in detail, why triangle ABC must be congruent to triangle DEF

weeeeeb [17]

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2 years ago