3 years ago

How do i solve fractions cube roots

1 answer:

7 0

To find the cube root of a number, you want to find some number that when multiplied by itself twice gives you the original number.

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Max is going to paint the four walls of his room. Two of the walls are 15 feet long by 8 feet high. The other two walls are 30 f

GenaCL600 [577]

(4×12$)+(1×8)=56$ is the cost

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4 years ago

What is the solution to the system? A. (2,-6) B. (6,-2) C. (3,-1) D. No solution

rewona [7]

Answer: (6,-2)

Step-by-step explanation:

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3 years ago

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5x+10=5(x+2) what is the answer I’ll give u 85 points

asambeis [7]

Answer:

All real numbers of x.

Step-by-step explanation:

5x+10=5(x+2) have the exact same equations on both sides.

5x+10=5x+10

If both are graphed, they will intersect each other for every value of x.

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3 years ago

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What is the slope of the line? / answers: -2, 1/2, 2, -1/2

spin [16.1K]

Slope is rise over run since it goes up 1 unit for every 2 units to the right, the slope is 1/2

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3 years ago

Sin^2(x/2)=sin^2x Find the value of x

Veronika [31]

$\sin^2\dfrac x2=\sin^2x$
$\dfrac{1-\cos x}2=1-\cos^2x$
$1-\cos x=2-2\cos^2x$
$2\cos^2x-\cos x-1=0$
$(2\cos x+1)(\cos x-1)=0$
$\implies\begin{cases}2\cos x+1=0\\\cos x-1=0\end{cases}$ $\implies\begin{cases}\cos x=-\frac12\\\cos x=1\end{cases}$

The first case occurs in $0\le x$ for $x=\dfrac{2\pi}3$ and $x=\dfrac{4\pi}3$ . Extending the domain to account for all real $x$ , we have this happening for $x=\dfrac{2\pi}3+2n\pi$ and $\dfrac{4\pi}3+2n\pi$ , where $n\in\mathbb Z$ .

The second case occurs in $0\le x$ when $x=0$ , and extending to all reals we have $x=2n\pi$ for $n\in\mathbb Z$ , i.e. any even multiple of $\pi$ .

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4 years ago