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IgorLugansk [536]
3 years ago
5

Find the geometric mean between 6 and 21.

Mathematics
1 answer:
Anna71 [15]3 years ago
6 0

Answer:

13.5

Step-by-step explanation:

That is the mean between 6 & 21

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Explain why the equation 5|x|-7=7 has only one solution.
son4ous [18]

According to the condition, this equation has <u>two</u> solutions: -14/5 and 14/5.

Short explanation:

5|x|=14; ⇔ |x|=14/5; ⇒

\left[\begin{array}{ccc}x= -\frac{14}{5} \\x= \frac{14}{5} \\\end{array}

PS. it's correct, if to substitute the values of 'x' into the condition/equation.

3 0
3 years ago
The domain and range of all linear functions, with the exception of vertical and horizontal lines, is
Ede4ka [16]

Answer:

All real numbers

Step-by-step explanation:

Linear functions have a domain and range of all real numbers because they reach from -∞ to ∞ on the x-axis and y-axis.

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Vaselesa [24]

Answer:

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Step-by-step explanation:

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3 years ago
Last week, Jason ran 26.1 miles. He wants to run further this week. He plans to run 2.4 miles to the park, four times around the
Leona [35]

Question says that "Last week, Jason ran 26.1 miles. He wants to run further this week. He plans to run 2.4 miles to the park, four times around the park, and 2.4 miles back from the park. To represent that inequality, he wrote: 2.4 + 4p + 2.4 ___ 26.1"

We see a blank space before 26.1.

So we need to fill the suitable inequality symbol from <, >, ≤ and ≥.

In given expression "2.4 + 4p + 2.4 ___ 26.1", left side part "2.4 + 4p + 2.4", represents the total length of the path that Jason wants to cover this week.

He has decided to run more than 26.1 miles so that means the sum "2.4 + 4p + 2.4" must be greater than 26.1 miles.

Hence we will use > symbol so that left side becomes greater than the right side part.


So the final answer will be :

2.4 + 4p + 2.4 > 26.1

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4 years ago
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Use Elimination to solve the system below, find X!!!
Bess [88]

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Step-by-step explanation:

just use a calculator

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3 years ago
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