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vladimir2022 [97]
3 years ago
13

2. Solve for z and express your answer in interval notation: 10 – 4z < 20

Mathematics
1 answer:
NeX [460]3 years ago
6 0

Answer:

z > -5/2

Step-by-step explanation:

Since both sides are divided by a negative number, the equality is switched.

10 - 4z < 20

(10 - 4z) - 10 < 20 - 10

-4z < 10

(-4z)/-4 < 10/-4

z > -5/2

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Answer:

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Step-by-step explanation:

The conditions are:

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If we take a point like (-1,0)

Slope (m) = change in y ÷ change in x = \frac{0 - 9}{-1 - 4}  = \frac{-9}{-5} = 9/5

This point satisfies the conditions above since;

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From the choices given;

we can say that:

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And can be expressed as;

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