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3 years ago

14

How do I solve this equation?

1 answer:

kow [346]3 years ago

8 0

Answer: 2 * sqrt(2)

I attached an image to show you what I mean

Step-by-step explanation:

First add 20 on both sides

5x^(2 / 3) = 10

divide both sides by 5

x^(2 / 3) = 2

Now be reminded that the power of 2/3 is the same as x^2 cube root (to the third root)

So we now cube both sides to get rid of the cube root

x^2 = 2^3

which simplifies to x^2 = 8

We now just find the square root of both sides

so x = sqrt(8)

square root of 8 is simply sqrt(4 * 2) = sqrt(4) * sqrt(2) = 2 * sqrt(2)

So x = 2 * sqrt (2)

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ZanzabumX [31]

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4 years ago

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Llana [10]

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3 years ago

What is the value of the entry represented by c41

Elenna [48]

<u>ANSWER</u>

$C_{41}=2$

<u>EXPLANATION</u>

This very simple to do.

First locate the entry in $A_{41}$ in matrix A. That is the entry in the intersection of the fourth row and first column of matrix A. This entry is $7$ .

Then multiply by the scalar which is 2 to get,

$2\times 7=14$ .

Next we locate the entry in $B_{41}$ in matrix B also. Which is $4$ . We multiply by the scalar of $-3$ to get,

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We now add these two corresponding entries to obtain,

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See diagram

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3 years ago

If you know the measure of one of the 8 angles, you can find the measure of all of the others. Try it. The measure of <1 = 12

MariettaO [177]

Answer:

$\angle 2 =60$

$\angle 3 = 60$

$\angle 4 = 120$

$\angle 5 = 120$

$\angle 6 = 60$

$\angle 7 = 60$

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Step-by-step explanation:

Given

$\angle 1 = 120^\circ$

See attachment

Required

Determine the other angles

$\angle 1$ and $\angle 2$ are on a straight line.

So;

$\angle 1 + \angle 2 =180$

Make $\angle 2$ the subject

$\angle 2 =180 - \angle 1$

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$\angle 2 =60$

$\angle 1$ , $\angle 4$ , $\angle 5$ and $\angle 8$ are corresponding angles.

So;

$\angle 4 =\angle 1 = 120$

$\angle 5 =\angle 1 = 120$

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So;

$\angle 3 =\angle 2 = 60$

$\angle 6 =\angle 2 = 60$

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3 years ago

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RideAnS [48]

3 because if you think about it, it's pretty much asking
what number multiplied by 9 will give you 27.
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3 years ago

Read 2 more answers