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3 years ago

Solve each system. Then drag each one to the column headed by a point which could be its solution.

Mathematics

1 answer:

garik1379 [7]3 years ago

8 0

Answer:

(5,y)

1. 2x-6y=10

x+8y=5

2. x-y=2

2x+y=13

(x,2)

1. 2x-2y=12

-2x-3y=-22

2. 3x-y=-5

x+4y=7

Step-by-step explanation:

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Will award brainest, being timed, help ASAP

zhenek [66]

Well it's hard to visually inspect this long text; let's look at it.

$\begin{matrix} \textrm{Secs} & \textrm{GroupR} & \textrm{GroupS} \\ 45 & 1 & 0 \\ 50 & 2 & 1 \\ 55 & 1 & 1 \\ 60 & 2 & 2 \\ 65 & 1 & 0\\ 70 & 1 & 2 \\ 75 & 1 & 0 \\ 80 & 1 & 1 \\ 85 & 1 & 0 \\ 90 & 2 & 2 \\ 95 & 1 & 1 \\ 100 & 2 & 1 \\ 105 & 1 & 1 \\ 110 & 2 & 2 \\ 115 & 1 & 1 \\ 120 & 2 & 1 \\ \end{matrix}$

Based on visual inspection the averages look about the same.

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4 years ago

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hoa [83]

Divisors of 18 are 1, 2, 3, 6, 9, 18.

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3 years ago

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A radio costs $45.00 and is on sale for 30% off. Find the final price of the radio after the discount.

astraxan [27]

Answer:

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The final price after the discount is $13.5

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3 years ago

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During dance practice, Sasha drank 2 1/2 pints of water, and on the way home she drank 1/2 cup of water. How much did she drank

Anarel [89]

Answer: 5 cups 4 ounces

Step-by-step path to answer:

Pints to cups:

1 pint= 2 cups

2 pints= 4 cups

0.5 pints=1 cup

2.5 pints= 5 cups

Cups to ounces:

1 cup= 8 ounces

0.5(1/2) cups= 4 ounces

All together:

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3 years ago

Find the value of x that makes:

Svetllana [295]

Answer:

correct value of x = 5

Step-by-step explanation:

$\frac{ {( - 2)}^{4x + 2} }{ {( - 2)}^{2x} } = {( - 2)}^{12} \\ = \frac{ {( - 2)}^{4 \times 5 + 2} }{ { ( - 2)}^{2 \times 5 } } \\ = \frac{ {( - 2)}^{22} }{ { ( - 2)}^{10} } \\ = \frac{4194304}{1024} \\ = 4096 = 4096(i.e \: {( - 12)}^{12} = 4096) \\$

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3 years ago