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lakkis [162]
3 years ago
5

7>x divided by 4Solve for x.The answer needs to be simplified.

Mathematics
1 answer:
8090 [49]3 years ago
5 0

Answer:

Step-by-step explanation:

Therefore, the answer to what divided by 4 equals 7 is 28. You can prove this by taking 28 and dividing it by 4, and you will see that the answer is 7. Tip: For future reference, when you are presented with a problem like "What divided by 4 equals 7?", all you have to do is multiply the two known numbers together. please dont report

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Last year the depth of the river was 4.2 feet deep.
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Answer:

3.15 ツ

Step-by-step explanation:

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3 years ago
For the function f x equals square root x ^ 3 - x, State the condition that must be satisfied for the FX to be Define. Then, sol
Svetradugi [14.3K]

Answer:

Domain:[-1,0]\cup [1,\infty )

Step-by-step explanation:

Since we know that a square root function is not defined for negative numbers. In order our function to be defined values inside radical must be greater than or equal to zero.

Our function will be defined when x^{3} -x\geq 0  

x(x^{2} -1)\geq 0

x(x-1)(x+1)\geq 0

1\geq x\leq 0 or x\geq1

Now we will use number line method of solving inequalities to check whether our answer is right or not.

Let us try -2, -1/2, 1/2 and 2 to check which conditions meet our criteria.

-2^{3} --2\geq 0\\-6\leq 0

(\frac{-1 }{2}) ^{3} -(\frac{-1}{2}) \geq0

\frac{-1}{8} +\frac{1}{2} \geq 0\\\frac{3}{8} \geq 0

(\frac{1 }{2}) ^{3} -\frac{1}{2} \geq0

\frac{1}{8} -\frac{4}{8} \leq 0

2^{3} -2\geq 0\\6\geq 0

Therefore, we can see that our function is defined when 1\geq x\leq 0 or x\geq1 and domain of f(x) is [-1,0]\cup [1,\infty ).

4 0
3 years ago
Vertices A (-1,1) and Vertices B (-4,1) of Square ABCD are shown below. What is the perimeter?
Pani-rosa [81]

Answer:

12

Step-by-step explanation:

Distance from (-4,1)to (-1,1) =|-4|-|-1|=3

Side of square =3

Since each side of square is equal.

3x4=12

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3 years ago
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Here is your answer

4 0
4 years ago
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