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3 years ago

PLEASE HELP I WILL GIVE BRAINALIST

Mathematics

1 answer:

RideAnS [48]3 years ago

3 0

Answer:

They each paid $40

Step-by-step explanation:

please give brainliest

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F(x) = -1/3 x + 7 determine the input that would give an output value of 2/3

-BARSIC- [3]

Ur output value is f(x).....so to do this problem u need to sub in 2/3 for f(x) and solve for the input value which is x

f(x) = -1/3x + 7
2/3 = -1/3x + 7 ...multiply everything by 3
2 = -x + 21
2 - 21 = - x
- 19 = -x
19 = x <== ur output

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3 years ago

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Antoinette solves the linear equation 3(x-3)+2x+9 = 2X+ 2(x-1) using the steps shown below.

taurus [48]

Answer:

Antoinette's error

Option A) She distributed incorrectly.

Step-by-step explanation:

We are given the following information in the question:

Antoinette solves the linear equation

$3(x-3)+2x+9 = 2x+ 2(x-1)$

Antoinette made mistake in step 1 that is she did not distributed correctly.

If she would have distributed correctly, then she would have got the following solution:

$3(x-3)+2x+9 = 2x+ 2(x-1)\\\text{Step 1: }3x-9+2x+9 = 2x + 2x-2\\\text{Step 2: }5x = 4x -1\\\text{Step 3: }5x-4x = -1\\\text{Step 4: }x = -1$

Substituting x = -1 in the given equation, we gwt:

$3(-1-3)+2(-1)+9 = 2(-1)+ 2(-1-1)\\-12-2+9 = -2-4\\-6=-6\\\text{which is true}$

Antoinette's error

Option A) She distributed incorrectly.

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3 years ago

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What is -2 22/25 as a decimal?

adelina 88 [10]

Answer:

-2 22/25 = -72/25

= -2.88

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What is -15x=-240?????????

Vlad [161]

You divide -15 on both sides to keep the x alone
-240/ -15=16
A negative divided by a negative is a positive so x=16

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3 years ago

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What is the solution set of 4x = y and 2x2 − y = 0?

maks197457 [2]

Solve is in the picture

Good luck :)

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