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3 years ago

11

5/4 miness 5/8what does it equal

1 answer:

Ivan3 years ago

4 0

Answer:
5/8
explanation:
5/4(2)=10/8-5/8

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Eliminate the x and y

sp2606 [1]

Step-by-step explanation:

Eliminate the x:

$\left\{\begin{array}{ccc}x-2y=6\\3x+y=4\end{array}\right\\\\\text{Multiply by (-3)}\\\\\left\{\begin{array}{ccc}-3(x-2y)=(-3)(6)\\3x+y=4\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-3x+6y=-18\\3x+y=4\end{array}\right}\\.\qquad\qquad7y=-14\\.\qquad\qquad y=-2$

Eliminate the y:

$\left\{\begin{array}{ccc}x-2y=6\\3x+y=4\end{array}\right\\\\\text{Multiply by 2}\\\\\left\{\begin{array}{ccc}x-2y=6\\2(3x+y)=(2)(4)\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}x-2y=6\\6x+2y=8\end{array}\right}\\\\.\qquad7x=14\\.\qquad x=2$

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2 years ago

A child throws a ball up in the air to a height of 3.5 m and catches it at the same point from which he threw it. The ball is in

dimaraw [331]

$S = 3,5 + 3,5 = 7 m \\ V = \frac{\triangle S}{\triangle T} = \frac{7}{1,7} \approx 4,12 \frac{m}{s}$

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3 years ago

12 + z = 15<br><br> Does anyone know thisplease

belka [17]

Answer:

3

Step-by-step explanation:

15

-

12

-----

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3 years ago

Find the missing side of each triangle. Leave your answers in simplest radical form.

jeka57 [31]

Answer:

x = 2 $\sqrt{34}$

Step-by-step explanation:

Using Pythagoras identity in the right triangle

x² = 10² + 6² = 100 + 36 = 136 ( take the square root of both sides )

x = $\sqrt{136}$ = $\sqrt{4(34)}$ = 2 $\sqrt{34}$

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3 years ago

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bearhunter [10]

Answer:

81/4

Step-by-step explanation:

I know this because I did this before

7 0

3 years ago

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