Which expression forms an equation with the given expression? 8 • 7 - 4 =

Mathematics

1 answer:

zysi [14]3 years ago

8 0

The answer is 52 hopefully this help

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The graph below shows a line of best fit for data collected on the average heights of children.

a_sh-v [17]

Answer:

A. 41

Step-by-step explanation:

Look at the number 6 and follow the line until it shows you the number, which 41

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What is the value of X in the trapezoid shown below?

marysya [2.9K]

Answer: 17

Step by step : 146+2x=180
2x=34
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3 years ago

Simplify this step by step<br> <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B-5jk%7D%7B35j%5E2k%5E2%7D%20" id="TexFormula1" tit

VikaD [51]

$\frac { -5jk }{ 35{ j }^{ 2 }{ k }^{ 2 } } \\ \\ =-\frac { 5 }{ 35 } \cdot \frac { j }{ { j }^{ 2 } } \cdot \frac { k }{ { k }^{ 2 } } \\ \\ =-\frac { 1 }{ 7 } \cdot \frac { 1 }{ j } \cdot \frac { 1 }{ k } \\ \\ =-\frac { 1 }{ 7jk }$

Remember that:

$\frac { j }{ { j }^{ 2 } } =\frac { 1 }{ j } \cdot \frac { j }{ j } =\frac { 1 }{ j } \cdot 1=\frac { 1 }{ j } \\ \\ \frac { k }{ { k }^{ 2 } } =\frac { 1 }{ k } \cdot \frac { k }{ k } =\frac { 1 }{ k } \cdot 1=\frac { 1 }{ k }$

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3 years ago

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Zach is 54 inches tall. Noland is 60 inches tall. Margy is 35 inches less than 2 times Zach's height. Write an expression that f

Sever21 [200]

54x2-35 would be the equation so... when you solve that we find out Margy is 73 inches tall and that means she or he is 19 inches taller than Zach

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3 years ago

3 3/8 divided by 3/4 using cross multiplication algorithm

Bogdan [553]

Answer

3 3/8 ÷ (3/4) = (9/2) = 4 ½

Explanation

We are asked to evaluate 3 3/8 divided by 3/4 using cross multiplication algorithm.

The algorithm will need us to put the mixed fraction in definite fraction form (improper fraction) and to evaluate the division, we change the division sign into multiplication sign and the fraction after the division sign changes into its reciprocal.

3 3/8 = (27/8)

(3 3/8) ÷ (3/4)

= (27/8) ÷ (3/4)

$\begin{gathered} \frac{27}{8}\div\frac{3}{4} \\ =\frac{27}{8}\times\frac{4}{3} \\ =\frac{108}{24} \\ \text{Divide numerator and denominator by 12} \\ \frac{108}{24}=\frac{9}{2} \end{gathered}$

Hope this Helps!!!

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1 year ago