3 years ago

Which set of values will make the following inequality TRUE? 2n + 6 < -12

Mathematics

2 answers:

k0ka [10]3 years ago

7 0

Answer:

n < -9

Step-by-step explanation:

2n +6 < - 12

2n < -18

n < -9

BaLLatris [955]3 years ago

3 0

Answer:

n < -9

Step-by-step explanation:

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Simplify 6(x + 3). 6x + 3 x + 18 6x + 18 6x + 9

Kisachek [45]

Answer:

the answer of this question is = 6x + 18

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2 years ago

Solve the Quadratic Equation By Completing the Square b^2-15b-54=0

vladimir1956 [14]

$b^{2}-15b-54=0. \newline
b^{2}-15b=54. \newline
b^{2}-15b+(\frac{15}{2})^{2}=54+(\frac{15}{2})^{2}. \newline
(b-\frac{15}{2})^{2}=\frac{441}{4}. \newline
b-\frac{15}{2}=\pm\frac{21}{2}. \newline
b=\pm\frac{21}{2}+\frac{15}{2}. \newline
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3 years ago

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3 years ago

Translate verbal expression to an algebraic expression 8 times a number x is subtracted by 4

slamgirl [31]

Answer:

8x - 4

Step-by-step explanation:

8x - 4

3 0

3 years ago

An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at le

hoa [83]

Answer:

0.999

Step-by-step explanation:

At least 1 correct means, 1 correct, 2 correct, 3 correct ... until 10 correct. That would be a long process to calculate.

Instead we use the complement rule to calculate.

$P(x\geq1)=1-P(x$

So we need to find P(x<1). So this is getting 0 answers correct, or 10 incorrect.

In true false question, probablity of correct is 1/2 and incorrect is 1/2, hence,

Probability of 10 incorrect is (1/2)^10

Thus,

$P(x\geq1)=1-(\frac{1}{2})^{10}=0.999$

So the answer is 0.999 (rounded to nearest thousandth)

3 0

3 years ago