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2 years ago

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The world's tallest dog is 3 and 5/11 feet tall. The worlds smallest dog is 2/9 feet tall. What was the difference between the h

eights of the two dogs?

1 answer:

Agata [3.3K]2 years ago

4 0

Please mark brainliest

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(22/7-2/3)÷2 is the value of (22/7-2/3)

V125BC [204]

22/7 -2/3= 20/4
20/4×1/2=20/8
you need simplifly
so is 4/2

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2 years ago

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What’s the answer? ;)

valentina_108 [34]

51!! I hope it helps❤️

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klasskru [66]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$y=0,\:x=6$

Step-by-step explanation:

Considering the system of the equations

$\begin{bmatrix}2x-7y=12\\ -x+15y=-6\end{bmatrix}$

$\mathrm{Isolate}\:x\:\mathrm{for}\:2x-7y=12$

$2x-7y+7y=12+7y$

$2x=12+7y$

Divide both sides by 2

$\frac{2x}{2}=\frac{12}{2}+\frac{7y}{2}$

$x=\frac{12+7y}{2}$

$\mathrm{Subsititute\:}x=\frac{12+7y}{2}$

$\begin{bmatrix}-\frac{12+7y}{2}+15y=-6\end{bmatrix}$

$-\frac{12+7y}{2}+15y=-6$

$\mathrm{Multiply\:both\:sides\:by\:}2$

$-\frac{12+7y}{2}\cdot \:2+15y\cdot \:2=-6\cdot \:2$

$-\left(12+7y\right)+30y=-12$

$-12+23y=-12$

$-12+23y+12=-12+12$

$23y=0$

$\mathrm{Divide\:both\:sides\:by\:}23$

$\frac{23y}{23}=\frac{0}{23}$

$y=0$

$\mathrm{For\:}x=\frac{12+7y}{2}$

$\mathrm{Subsititute\:}y=0$

$x=\frac{12+7\cdot \:0}{2}$

$x=\frac{12}{2}$

$x=6$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$y=0,\:x=6$

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3 years ago

Need help with math 25 points and brainlest correct answers only

marusya05 [52]

Answer:

Wz I think

Step-by-step explanation:

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15v − -14v − -14 = -15 solve for v ps..... help plz

Alchen [17]

Solve for v by simplifying both sides of the equation, then isolating the variable.

v = -1

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2 years ago