3 years ago

What is the angle measurement and angle relationship?

Mathematics

1 answer:

tamaranim1 [39]3 years ago

3 0

45°. I’m not sure what the relationship is but I think it’s linear pair ?

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enot [183]

The triangles are shown to be similar, therefore

$\displaystyle \frac{54}{12} = \frac{x}{2} \\ \\
x = 2 \cdot \frac{54}{12} \\
x = 9$

The answer is 9 units

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3 years ago

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Fernando built a robot to filter air and water efficiently. He expects the robot to filter more than 512 liters

Mumz [18]

Answer:

Khan Academy

The robot uses the expected amount of energy, but it doesn't filter the expected amount of air and water.

Step-by-step explanation:

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3 years ago

Can you help me on his question

liraira [26]

C 2 (-20)

He withdrew (took out) money twice.
That's -20 two times.

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3 years ago

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alexgriva [62]

(-36x^4y+144x²y^6) / (-4x²y) =
36xy*(x³+4xy^5) / (-4x²y) =
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7 0

3 years ago

A chef got 7 bags of onions. The red onions came in bags of 8 and the yellow onions came in bags of 3. If the chef got a total o

frutty [35]

Answer:

$\#\text{ of 8-onion bags: }4,\\\#\text{ of 3-onion bags: }3$

Step-by-step explanation:

Let $a$ be the number of bags with 8 onions and let $b$ be the number of bags with 3 onions. We have the following system of equations:

$\begin{cases}a+b=7,\\8a+3b=41\end{cases}$

Subtracting $b$ from both sides of the first equation, we get $a=7-b$ . Substitute this into the second equation:

$8(7-b)+3b=41,\\56-8b+3b=41,\\56-5b=41,\\-5b=-15,\\b=\boxed{3}$

Therefore, the number of 8-onion bags is:

$a=7-b,\\a=7-3,\\a=\boxed{4}$

Thus, the chef got 4 8-onion bags and 3 3-onion bags.

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3 years ago