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3 years ago

Write the word sentence as an equation. Then solve. The quotient of a number x and −1.5 is 21

Mathematics

1 answer:

son4ous [18]3 years ago

8 0

Answer:

X = 31.5

Step-by-step explanation:

X / 1.5 = 21

X = 21 * 1.5

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Make n, l the subject of the formula <br><img src="https://tex.z-dn.net/?f=s%20%3D%20%20%5Cfrac%7Bn%7D%7B2%7D%20%28a%20%2B%20l%2

77julia77 [94]

Answer: $S = \frac{n}{2} (a+l)\\2s = n(a+l)\\2s = na +nl\\\frac{2s}{a+l} = n+n\\2n = \frac{2s}{a+l}\\n = (\frac{2s}{a+l})/2\\n = \frac{2s}{2a+2l}\\\\$

Step-by-step explanation:

To Make n subject of the formula

Step 1 : Cross multiply

Step 2 :Use n to open the bracket

Step 3 : Divide both sides by a +l to make n on one side of the equation

Step 4 :Evaluate n+n = 2n

Divide both sides of the equation by 2

To make l the subject of the formula ,

Step 1 : cross multiply

Step 2 :Use n to open the bracket

Step 3 : Move na to the other side of the equation to isolate l

Step 4 : Divide both sides of the equation by n 

$S = \frac{n}{2} (a+l)\\2s = n(a+l)\\2s = na +nl\\\\2s - na = nl\\l = \frac{2s-na}{n} \\$

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3 years ago

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21) Which expression is equivalent to 6(7x − 4)? A) 13x − 10 B) 13x − 24 C) 42x − 10 D) 42x − 24

Sergio039 [100]

Answer:

Answer is D) 42x − 24

Step-by-step explanation:

Opening the expression given in question

6(7x − 4)

6 will be multiplied by both items present inside parenthesis.

it can be written as

={(6 * 7x) - (6*4)}

=42x-24

Hope that clears the question.

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3 years ago

Find the slope of the line below

Shkiper50 [21]

Answer:

5/3

Step-by-step explanation:

rise=5

run=3

so 5/3

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Kobotan [32]

Answer:15,680

Step-by-step explanation:

7,683.207,683.20=(P)(0.098)(5)=0.49P

Dividing both sides by 0.49, we have

P=7,683.200.49=15,680

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3 years ago

What is the domain of F(x) = In (x)?

SOVA2 [1]

Answer:

the answer is B

Step-by-step explanation:

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3 years ago

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