All categories

4 years ago

Does anyone know the answer ?

Mathematics

1 answer:

valentinak56 [21]4 years ago

6 0

a < - 13

The number line shows an open circle at negative 13 indicating that a cannot equal negative 13. The arrow on the red section ( the solution ) is pointing to the left away from negative 13 indicating a has values less than - 13

a < - 13 is the inequality representing the solution

note if the circle was filled in this would indicate a is equal to negative 13

You might be interested in

4+(-7) what is the solution

MrMuchimi

Answer:

-3

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers

From a group of 8 volunteers, including Andrew and Karen, 4 people are to be selected at random to organize a charity event. Wha

Helga [31]

Answer:

The correct option is D. 2/7

Step-by-step explanation:

Consider the provided information.

There are 8 volunteers including Andrew and Karen, 4 people are to be selected at random to organize a charity event.

We need to determine the probability Andrew will be among the 4 volunteers selected and Karen will not.

We want to select Andrew and 3 others but not Karen in the group.

Thus, the number of ways to select 3 member out of 8-2=6

(We subtract 2 from 8 because Andrew is already selected and we don't want Karen to be selected, so subtract 2 from 8.)

The required probability is:

$\dfrac{^6C_3}{^8C_4}=\dfrac{\frac{6!}{3!3!}}{\frac{8!}{4!4!}}\\\\\\\dfrac{^6C_3}{^8C_4}=\frac{20}{70}\\\\\\\dfrac{^6C_3}{^8C_4}=\dfrac{2}{7}$

Hence, the correct option is D. 2/7

6 0

4 years ago

Dave buys a baseball catchers equipment for $295. The tax rate is 7.9%. How much tax did Dave pay? Round your answer to the near

Liono4ka [1.6K]

Answer:

23.31

Step-by-step explanation:

7 0

3 years ago

For males in a certain town, the systolic blood pressure is normally distributed with a mean of 125 and a standard deviation of

makkiz [27]

95% have a systolic blood pressure between 109 and 141

Empirical rule states that for a normal distribution, 68% are within one standard deviation from the mean, 95% are within two standard deviation from the mean and 99.7% are within three standard deviation from the mean.

Given that mean (μ) = 125, standard deviation (σ) = 8.

68% are within one standard deviation = μ ± σ = 125 ± 8 = (117, 133)

95% are within two standard deviation = μ ± 2σ = 125 ± 2*8 = (109, 141)

95% have a systolic blood pressure between 109 and 141

Find out more on empirical rule at: brainly.com/question/10093236

5 0

3 years ago

Write three ratios equivalent to the ratio described in each situation. A collecter has 120 movie posters and 100 band posters.

Alex

96 of then to get a ratio of 120 to 100

6 0

3 years ago

Read 2 more answers