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il63 [147K]
2 years ago
6

28 POINTS!!!!!! Solve for x. Please Help

Mathematics
2 answers:
elena-14-01-66 [18.8K]2 years ago
7 0
The correct answer is the first option which is negative 2
svet-max [94.6K]2 years ago
6 0

Answer:

The third choice, x\leq -8

Step-by-step explanation:

One way to do it is to substitute in the potential answers. I'll show you here.

<u>Choice 1</u>

2(-2)+3\leq (-2)-5

-4+3\leq -2-5

-1\leq -7

We can see that this is false, so the answer cannot be choice 1.

<u>Choice 2</u>

<u />2(2)+3\leq (2)-5<u />

<u />4+3\leq 2- 5<u />

<u />7\leq -3<u />

This is also false, so the answer cannot be choice 2.

<u>Choice 3</u>

<u />2(- 8)+ 3\leq (-8)-5<u />

<u />-16+3\leq -8-5<u />

<u />-13\leq -13<u />

This is true. Let's see if choice 4 works.

<u>Choice 4</u>

<u />2(8)+3\leq (8)-5<u />

<u />16+3\leq 8-5<u />

<u />19\leq 3<u />

This is not true. Therefore, 3 is correct.

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Answer:

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Step-by-step explanation:

8 0
3 years ago
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Please help! <br> -<br> -<br> -<br> -<br> -
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The answer has to be in y-intercept form. Which is y=mx+b and b can also be neg. y=mx-b. The m is your slope and b is your y-intercept. So A’s slope counting from 3 on the y axis to 1 on the x-axis which is down 2 over 1 so it will be -2/1. And your y intercept is 3. The equation is y=-2x+3. For B its the same thing but no graph. Remember that slope is RISE over RUN. So since the number is on the bottom of the line the rise is 4 and the run is 1. So in this case 10 is your y-intercept. Which means you equation is y=4x+10.

5 0
2 years ago
What value of x is in the solution set of 3(x – 4) ≥ 5x + 2? <br><br> –10<br> –5<br> 5<br> 10
emmasim [6.3K]

<u>Answer:</u>

The value of x is in the solution set of 3(x – 4) ≥ 5x + 2 is -10

<u>Solution:</u>

Need to determine which value of x from given option is solution set of 3(x – 4) ≥ 5x + 2

Lets first solve 3(x – 4) ≥ 5x + 2

3(x – 4) ≥ 5x + 2

=> 3x – 12 ≥ 5x + 2

=> 3x – 5x ≥ 12 + 2

=> -2x ≥ 14

=> -x ≥ 7

=> x ≤ -7

All the values of x which are less than or equal to -7 is solution set of 3(x – 4) ≥ 5x + 2. From given option there is only one value that is -10 which is less than -7  

Hence from given option -10 is solution set of 3(x – 4) ≥ 5x + 2.

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