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djverab [1.8K]
2 years ago
15

Substitute to solve Brainliest for correct answer

Mathematics
2 answers:
Ostrovityanka [42]2 years ago
8 0

Answer:

4x-1y=3xy

Step-by-step explanation:

because 3-2=1 and add the y on and the do 4x-1y and that will = 3xy

Marina86 [1]2 years ago
3 0

Answer:

x=4, y=6

Step-by-step explanation:

hope that helps :)

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Identify all solutions for a triangle with A = 38 degrees b = 10, and a= 8. Round to the nearest tenth.
rjkz [21]

Answer:

A = 38°

B = 50.32°

C = 91.68°

a = 8

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c = 12.77

Step-by-step explanation:

The first thing is to find the angle B, like this:

sin B = b * sin A / a = 10 * sin (38 °) / 8

sin B = 0.77

B = arc sin (0.77)

B = 50.32 °

For angle C, it would be:

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5 0
3 years ago
Jawad has seven rocks.
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680 grams.

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Now save 4320 for later.

Next, we need to convert the 5 kilograms into grams.

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now do, 5000 - 4320 = 680.

Your final answer would then be = 680g

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Answer:

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Step-by-step explanation:

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