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Firdavs [7]
3 years ago
6

Solve the system by substitution. y = -3x +4 y = x

Mathematics
1 answer:
mafiozo [28]3 years ago
7 0

Answer:

4

Step-by-step explanation:

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-1+5x≥-16 I dont know how to solve
olasank [31]

Answer:  x \ge -3

Explanation:

Follow PEMDAS in reverse to undo what's happening to x.

We first add 1 to both sides, then divide both sides by 5 to fully isolate x.

Refer to the steps below to see what I mean.

-1 + 5x \ge -16\\\\5x \ge -16+1\\\\5x \ge -15\\\\x \ge -15/5\\\\x \ge -3\\\\

The inequality sign stays the same the entire time. The only time it flips is when you divide both sides by a negative number.

The solution set for x is anything -3 or larger.

If x was an integer, then we could say the solution set is {-3, -2, -1, 0, 1, 2, 3, 4, 5, 6, ...}

7 0
2 years ago
Which inequality is true for x = 6?
KengaRu [80]
The answer is option c
7 0
3 years ago
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Help ASAP i havgt35axxqwr 7mins left to complete this
djyliett [7]

Answer:

what is the question here?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How d you work out 450 divided by 600
puteri [66]
450:600=\frac{450}{600}=\frac{450:10}{600:10}=\frac{45}{60}=\frac{45:15}{60:15}=\frac{3}{4}\\\\or\\\\(look\ at\ the\ picture)\\\\450:600=0.75

5 0
4 years ago
James is 10 feet below sea level if he increases his elevation by 30 feet what is his location?
puteri [66]
His location would be 20 feet above the sea level because...

30+-10= 20 because adding a negative to a positive is basically like subtracting.

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8 0
3 years ago
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