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2 years ago

A number divided by 5 is 3 more than -6 what is the number?

Mathematics

1 answer:

Korvikt [17]2 years ago

6 0

-15
-15/5 = -3

That is the answer, 15.

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Find the value of X, then find AB and DC.

zhannawk [14.2K]

Answer:

X=2, AB=14, DC=14

Step-by-step explanation:

3x+8=x+12

Subtract x from both sides

2x+8=12

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Divide by 2 on the sides

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Then replace the x's with (2) and multiply

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Step-by-step explanation:

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A company has developed a new ink-jet cartridge for its printer that it believes has a longer life-time on average than the one

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Answer:

The test hypothesis is :

$H_0: \mu=1502.5\\ H_a: \mu>1502.5$

Step-by-step explanation:

Consider the provided information.

Null hypothesis refer the population parameter is equal to the claimed value.

If there is no statistical significance in the test then it is know as the null which is denoted by $H_0$ , otherwise it is known as alternative hypothesis which denoted by $H_a$ .

The historical average lifetime for cartridges produced by the current process is 1502.5 pages.

Hence, the test hypothesis is :

$H_0: \mu=1502.5\\ H_a: \mu>1502.5$

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