Use a sign chart to solve (2x + 3)(x + 8) ≥ 0.

Mathematics

2 answers:

yuradex [85]4 years ago

8 0

Answer:

B.) (–∞, –8] or [–3/2, ∞)

Step-by-step explanation:

kotegsom [21]4 years ago

7 0

Answer:

(–∞, –8] or [–, ∞)

Step-by-step explanation:

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HELP ME PLEASE

Mashutka [201]

Answer:

$9 + \frac{n}{3} - 6 = 7$

Step-by-step explanation:

Given

$9 + \frac{n}{3} - 6$

Required

Evaluate when n = 12

Substitute 12 for n in $9 + \frac{n}{3} - 6$

$9 + \frac{n}{3} - 6 = 9 + \frac{12}{3} - 6$

Simplify the fraction

$9 + \frac{n}{3} - 6 = 9 + 4 - 6$

$9 + \frac{n}{3} - 6 = 7$

4 0

3 years ago

Joelle has $15.75. She spent $6.38 at the store.

Alborosie

X + 6.38 = 15.75 would be the answer
x=9.37
for the first option, you are not adding 15.75 and x together.
for the second option, it is correct, because in the problem, it is giving the operation, 15.75-6.38=x. when you turn it do inverse operation, you get x + 6.38 = 15.75.
for the third option, it doesn't make sense and it's not doing what the problem is asking for.
for the fourth option, you are not multiplying. you are subtracting 15.75 by 6.38 to get x.

4 0

4 years ago

Read 2 more answers

Which of the following is equivalent to log50^7 rounded to three decimal places

Vitek1552 [10]

Answer:

11.886

Step-by-step explanation:

Given :

$log 50^7$