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3 years ago

The quotient of a number and -7, decreased by 2, is 10. Find the number

Mathematics

2 answers:

amid [387]3 years ago

8 0

Answer:

Step-by-step explanation:

Alik [6]3 years ago

3 0

Answer:

The value of x is -84.

Step-by-step explanation:

In order to find this, start by making that number equal to x. Then write out the expression in numbers.

(x/-7) - 2 = 10

Now solve the equation using the order of operations.

(x/-7) - 2 = 10

x/-7 = 12

x = -84

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Katyanochek1 [597]

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2 years ago

Create a word problem that could be solved using the expression (−12) + (32) + (−16). Also, show the solution.

SCORPION-xisa [38]

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Step-by-step explanation:

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4 0

2 years ago

Ardem collected data from a class survey. He then randomly selected samples of five responses to generate four samples.

scoundrel [369]

Solution: The sample mean of sample 1 is:

$\bar{x}=\frac{4+5+2+4+3}{5}= \frac{18}{5}=3.6$

The sample mean of sample 2 is:

$\bar{x}=\frac{2+2+6+5+7}{5}= \frac{22}{5}=4.4$

The sample mean of sample 3 is:

$\bar{x}=\frac{4+6+3+4+1}{5}= \frac{18}{5}=3.6$

The sample mean of sample 4 is:

$\bar{x}=\frac{5+2+4+3+6}{5}= \frac{20}{5}=4$

The minimum sample mean of the four sample means is 3.6 and maximum sample mean of the four sample means is 4.4.

Therefore, using his four samples, between 3.6 and 4.4 will Ardem's actual population mean lie.

Hence the option 3.6 and 4.4 is correct

6 0

3 years ago

Read 2 more answers