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Sladkaya [172]
3 years ago
12

;-y=3-2x4x+2y=10 what is the answer​

Mathematics
1 answer:
pentagon [3]3 years ago
8 0
4x+2(3-2x)=10, 4x+6-4x=10, x+6=10, x=4
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Solve for x in the equation 2x^2+14x+17=-96
goblinko [34]
2x^{2}+14x+17=-96 \newline
2x^{2}+14x+113=0 \newline
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Since \Delta is negative \Rightarrow x \notin \mathbb{R}.
5 0
3 years ago
Leah is writing an equivalent equation which solves for y. What should be her next step? 3x+4y=8 Add 4y to both sides of the equ
ratelena [41]

The given equation is

3x+4y=8

And we have to solve for y.

Solving for y, means isolating y . And to isolate y, we need to get rid of 4 that is with y .

It means we have to separate 4 from y, and for separation , we have to perform division. That is, we have to divide both sides by 4, and that will be the next step .

So out of the four options, correct option is the last option .

4 0
2 years ago
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Fudgin [204]
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5 0
3 years ago
Which of these examples is an error of addition by one?
N76 [4]

Answer:

The correct answer is:

A. 27,465 +52,534 = 79,899

Step-by-step explanation:

Given are the options for addition

We have to check each addition one by one

So,

A. 27,465 +52,534 = 79,899

This option is the example of error of addition by one. The answer should have been 79,999. Hence there is an error in addition ..

Hence, option a: 27,465 +52,534 = 79,899  is the correct answer ..

4 0
3 years ago
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rodikova [14]

Answer:

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Step-by-step explanation:

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              = x^3-2x^2-4x+8  via FOIL

6 0
3 years ago
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