3 years ago

Which of the following is the solution to |x| + 9 <= 7 ?

Mathematics

1 answer:

Afina-wow [57]3 years ago

5 0

Answer:

There is no value.

Step-by-step explanation:

absolute value of a number is always greater than or equal tp zero therefore no number will solve the equation

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What is the value of x in this equation

eduard

The the first one the answer should be -4

For the second one the answer should be 3

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3 years ago

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Solve.

Aloiza [94]

Step-by-step explanation:

x=−y−2z+3

x=y+32z+1

x=13y+23z+13

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3 years ago

Can someone do these!!!????

evablogger [386]

Answer:

8/32=0.25

Step-by-step explanation:

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3 years ago

From a group of 12 students, we want to select a random sample of 4 students to serve on a university committee. How many combin

borishaifa [10]

Answer:

495 combinations of 4 students can be selected.

Step-by-step explanation:

The order of the students in the sample is not important. So we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

How many combination of random samples of 4 students can be selected?

4 from a set of 12. So

$C_{n,x} = \frac{12!}{4!(8)!} = 495$

495 combinations of 4 students can be selected.

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3 years ago

Solve 7(-1 + 4x) – 12x = 5. Check your solution.

Rzqust [24]

Answer:

x= $\frac{3}{4}$ or 0.75

Step-by-step explanation:

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