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3 years ago

1/6 times what is 4 please answer asap

Mathematics

2 answers:

Scorpion4ik [409]3 years ago

6 0

Answer is 24, becuase if you just do the opposite, 4 divided by 1/6 you get 24

jonny [76]3 years ago

4 0

Okay turn 1/6 into a decimal by dividing the numerator by the denominator. 1÷6=.16666666666666. now divide 4 by .16666666666666 4÷.16666666666666=24. ANSWER: 1/6×24=4

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3 years ago

Evaluate Dx / ^ 9-8x - x2^

Solnce55 [7]

It depends on what you mean by the delimiting carats "^"...

Since you use parentheses appropriately in the answer choices, I'm going to go out on a limb here and assume something like "^x^" stands for $\sqrt x$ .

In that case, you want to find the antiderivative,

$\displaystyle\int\frac{\mathrm dx}{\sqrt{9-8x-x^2}}$

Complete the square in the denominator:

$9-8x-x^2=25-(16+8x+x^2)=5^2-(x+4)^2$

Now substitute $x+4=5\sin y$ , so that $\mathrm dx=5\cos y\,\mathrm dy$ . Then

$\displaystyle\int\frac{\mathrm dx}{\sqrt{9-8x-x^2}}=\int\frac{5\cos y}{\sqrt{5^2-(5\sin y)^2}}\,\mathrm dy$

which simplifies to

$\displaystyle\int\frac{5\cos 
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Now, recall that $\sqrt{x^2}=|x|$ . But we want the substitution we made to be reversible, so that

$x+4=5\sin y\iff y=\sin^{-1}\left(\dfrac{x+4}5\right)$

which implies that $-\dfrac\pi2\le y\le\dfrac\pi2$ . (This is the range of the inverse sine function.)

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3 years ago

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Step-by-step explanation:

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3 years ago

Read 2 more answers

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valkas [14]

Answer:

Length equals 16 and Width equals 4

Step-by-step explanation:

First let us create an equation. We can use L and W for length and width.

If the length is 4 times the width, then we end up with: L = 4W

It then says, " If its length were diminished by 6 meters and its width were increased by 6 meters, it would be a square."

Since a square has an equal length and width then we end up with:

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Knowing this we can just substitute the first equation into the second one leaving us with: 4W - 6 = W + 6

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This leaves us with 3W = 12

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2 years ago

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vlabodo [156]

The correct answer is -3 through -6.

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3 years ago