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lora16 [44]
3 years ago
9

For which equation would x = 12 not be a solution?

Mathematics
1 answer:
Ivenika [448]3 years ago
4 0

Put the value of x to the equation.

5+4x=53\\L=5+4(12)=5+48=53;\qquad R=53;\qquad L=R\\\\9x-7=101\\L=9(12)-7=108-7=101;\qquad R=101;\qquad L=R\\\\x+4=10\\L=12+4=16;\qquad R=10;\qquad L\neq R\\\\96\div x=8\\L=96:12=8;\qquad R=8;\qquad L=R

Answer: x + 4 = 10

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Does the point(1, 8)satisfy the inequality y ≥ 6x + 2 ?
nalin [4]

Answer: Yes

Step-by-step explanation:

1. Substitute 1 for x

2. 6 times 1 is 6 plus 2 is 8

3.8 is equal to or greater than 8

4 0
3 years ago
Check all of the ordered pairs that satisfy the equation below.y=2/5x
zvonat [6]

We are going to do this step by step:

Let's start with option A

A.

X = 25 and Y = 5/2

y=\frac{2}{5}\cdot x=\frac{2}{5}\cdot25=\frac{2\cdot25}{5}=\frac{50}{5}=\frac{5\cdot10}{5\cdot1}=10

In this case, when X = 25 , then Y = 10 ,which is different to 5/2

B.

X = 14 , Y = 35

y=\frac{2}{5}\cdot14=\frac{28}{5}

In case, when X = 14, then Y = 28/5, which is different to 35

C.

X = 40 , Y = 24

y=\frac{2}{5}\cdot40=\frac{80}{5}=16

Similarly, in this case, when X = 40, then Y = 16, which is different to 24

D.

X = 10 , Y=4

y=\frac{2}{5}\cdot10=\frac{20}{5}=4

Now, in this case, we can see that when X = 10, then Y = 4 which is the same as the given value of Y

E.

X = 50 , Y = 20

y=\frac{2}{5}\cdot50=\frac{100}{5}=20

In this case, the values of Y are also the same.

F.

X = 30 , Y = 12

y=\frac{2}{5}\cdot30=\frac{60}{5}=12

Again, in this case, the values of Y are the same, so the pair satisfies the equation.

In conclusion: options D, E and F satisfy the equation

3 0
1 year ago
We’d help with this one all
Elanso [62]
The association is negative as the line goes down
5 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B3%7Dx%2B6%3D8" id="TexFormula1" title="\frac{1}{3}x+6=8" alt="\frac{1}{3}x+6=
makkiz [27]
X = 6
Have a great rest of your day !
6 0
2 years ago
Read 2 more answers
Is the relationship linear, exponential, or neither?<br> Choose one answer.
Olin [163]

Answer:

Linear

Step-by-step explanation:

Both top and bottom are going up at a constant rate

x is going up by 9 and

y is going up by 7

5 0
2 years ago
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