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lana66690 [7]
3 years ago
14

Mike is 3 years old.joe is 6 times as old as mike whict equation shows how to find Joe's age?

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
3 0

Answer:

3x6=18

Step-by-step explanation:

3x6=18

6 times as old is the same as saying TIMES by 6 :)

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1 pts
lubasha [3.4K]

Answer: I believe the answer to your question is 4

Step-by-step explanation:

8 0
2 years ago
WILL MARK BRAINLIEST <br><br> what is the domain of (f/g) (x)?
tatyana61 [14]

Given that f(x) = \sqrt{7-x} and g(x) = \sqrt{x + 2}, we can say the following:

\Bigg(\dfrac{f}{g}\Bigg)(x) = \dfrac{f (x)}{g(x)} = \dfrac{\sqrt{7 - x}}{\sqrt{x+2}}


Now, remember what happens if we have a negative square root: it becomes an imaginary number. We don't want this, so we want to make sure whatever is under a square root is greater than 0 (given we are talking about real numbers only).


Thus, let's set what is under both square roots to be greater than 0:

\sqrt{7 - x} \Rightarrow 7 - x \geq 0 \Rightarrow x \leq 7

\sqrt{x + 2} \Rightarrow x + 2 \geq 0 \Rightarrow x \geq -2


Since both of the square roots are in the same function, we want to take the union of the domains of the individual square roots to find the domain of the overall function.

x \leq 7 \,\,\cup x \geq -2 = \boxed{-2 \leq x \leq 7}


Now, let's look back at the function entirely, which is:

\Bigg( \dfrac{f}{g} \Bigg)(x) = \dfrac{\sqrt{7 - x}}{\sqrt{x+2}}

Since \sqrt{x + 2} is on the bottom of the fraction, we must say that \sqrt{x + 2} \neq 0, since the denominator can't equal 0. Thus, we must exclude \sqrt{x + 2} = 0 \Rightarrow x + 2 = 0 \Rightarrow x = -2 from the domain.


Thus, our answer is Choice C, or \boxed{ \{ x | -2 < x \leq 7 \}}.


<em>If you are wondering why the choices begin with the x | symbol, it is because this is a way of representing that x lies within a particular set.</em>

6 0
3 years ago
set the equation up for "Eight less than the square of a number is the same as adding the number and four"
TEA [102]
X^2-8 = x+4 is your answer!
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Hey!! if you can please help me with 4 and 5 ☺️☺️
drek231 [11]

Answer:

so sorry yarr my same question

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The sum of two integers is -13. Their difference is 7. What are the two integers?
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The two integers are -3 and -10
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3 years ago
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