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olga55 [171]
2 years ago
13

9 6/7 divide 3? explain your answer

Mathematics
2 answers:
boyakko [2]2 years ago
7 0

Answer:

it is a decimal which is 3.28571428571

Step-by-step explanation:

i am in college

AlekseyPX2 years ago
7 0

Step-by-step explanation:

\\  9 \frac{6}{7}  \div 3

<u>Change</u><u> </u><u>the</u><u> </u><u>mixed</u><u> fraction</u><u> </u><u>into</u><u> </u><u>improper</u><u> fraction</u><u>.</u>

<u>\\  =  \frac{69}{7}  \div 3</u>

<u>R</u><u>eciprocal </u><u>3</u><u> </u><u>for</u><u> </u><u>cross</u><u> </u><u>multiplication</u><u>.</u>

<u>\\  =  \frac{69}{7}  \times  \frac{1}{3}</u>

<u>D</u><u>ivide </u><u>6</u><u>9</u><u> </u><u>by </u><u>3</u><u>.</u>

<u>\\   = \frac{ \cancel{69}}{7}  \times  \frac{1}{ \cancel{3}}</u>

<u>\\  =  \frac{23}{7}</u>

<u>Divide</u><u> the</u><u> </u><u>result </u><u>into</u><u> </u><u>mixed</u><u> fraction</u><u> </u><u>or </u><u>decimal.</u>

<u>\\  = 3.285 \:  \: or \:  \: 3 \frac{2}{7}</u>

<u>[</u><u>Answer]</u>

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What are the steps to solve for: 1/5(x+5)=1/4(x-3)+1
andrew11 [14]
Step 1. Simplify \frac{1}{5} (x+5) to \frac{x+5}{5}

\frac{x+5}{5} = \frac{1}{4} (x-3)+1

Step 2. Simplify \frac{x+5}{5} to 1+ \frac{x}{5}

1+ \frac{x}{5} = \frac{1}{4} (x-3)+1

Step 3. Simplify \frac{1}{4} (x-3) to \frac{x-3}{4}

1+ \frac{x}{5} = \frac{x-3}{4} +1

Step 4. Cancel 1 on both sides

\frac{x}{5} = \frac{x-3}{4}

Step 5. Multiply both sides by 20 (the LCM of 5,4)

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Step 6. Expand

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Step 7. Subtract 5x from both sides

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Step 8. Simplify 4x-5x to -x

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Step 9. Multiply both sides by -1

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Done! :) Hope this helps! :)








3 0
3 years ago
Use completing the square to solve for x in the equation (x+7)(x-9) = 25.
balandron [24]

Answer:

x = 1  ±√89

Step-by-step explanation:

We have the equation:

(x+7)(x-9) = 25

Using distributive property:

x(x-9) + 7(x-9) = 25

x²- 9x + 7x - 63 -25 = 0

x²- 2x - 88 = 0

To complete squares we need to add and subtract 1, as follows:

x²- 2x - 88 +1 -1 = 0

x²- 2x +1 -88 -1 = 0    (this is a perfect square)

(x - 1)² - 89 = 0

Solving for x:

(x - 1)² = 89

x - 1 = ±√89

x = 1  ±√89

6 0
3 years ago
Algebra 1 Prerequisites
frozen [14]
No solution

explanation:
5 0
3 years ago
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