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Keith_Richards [23]
3 years ago
7

Equation: t= 25 +8.25w, where w is the number of

Mathematics
1 answer:
Rufina [12.5K]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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Solve the following inequality. 21<_-3(x - 4) < 30 A. 28<_x < 37 B. -3 <_ x < 6 C. -6 < x <_ -3 D. -10 &
Aloiza [94]

Answer:

Option C -6

Step-by-step explanation:

we have

21\leq -3(x-4)

The compound inequality can be divided into two inequality

21\leq -3(x-4) -----> inequality A

-3(x-4) ----> inequality B

Solve inequality A

21\leq -3x+12

9\leq -3x

Divide by -3 both sides

when you multiply or divide both sides of an inequality by a negative number, you must reverse the inequality symbol

-3\geq x

Rewrite

x\leq -3

The solution of the inequality A is the interval (-∞,-3]

Solve the inequality B

-3x+12

-3x

Divide by -3 both sides

when you multiply or divide both sides of an inequality by a negative number, you must reverse the inequality symbol

x>-6

The solution of the inequality B is the interval [-6,∞)

The solution of the compound inequality is

[-6,∞) ∩ (-∞,-3]=(-6,-3]

-6

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3 years ago
Maya shaved her head and then began letting her hair grow. She represents the length l of her hair, in
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Step-by-step explanation:

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3 years ago
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Firlakuza [10]

Answer: 5+3 times 4+2 is 48

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Tanx cosx = 0
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You're almost finished.

(sin/cos) times cos = 0

Look at the left side.  You could write it as (sin x cos) / cos = 0
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3 years ago
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