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irakobra [83]
3 years ago
14

Exponents: Can me help me? This is the one, I just can't get.

Mathematics
1 answer:
aliina [53]3 years ago
4 0

Answer:

1

Step-by-step explanation:

x^y * x^-y

When the bases are the same,   we add the exponents when multiplying

x^(y-y)

x^0

Anything to the zero power is 1  (except 0)

1


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The equation of line WX is 2x + y = -5. What is the equation of a line perpendicular to line WX in slope-intercept form that con
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Answer:

The third choice is the one you want

Step-by-step explanation:

If we are to write the equation of a line perpendicular to WX, we first must determine what the slope of the WX is, because the line perpendicular to WX has a slope that is the flip of the slope of WX with the opposite sign.  Solving for y takes care of finding the slope of WX:

2x + y = -5 so

y = -2x - 5

The slope is -2.  That means that the reciprocal slope is 1/2.  Using that slope along with the coordinates x = -1 and y = -2, we first write the line using point-slope form and then solve it for y.  Start by filling in the m, the x value and the y value:

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Getting rid of the double negatives gives us:

y+2=\frac{1}{2}(x+1)

Distributing then gives us:

y+2=\frac{1}{2}x+\frac{1}{2}

And finally solving for y (I am going to express the 2 on the left as 4/2 when I move it by subtraction in order to add those fractions):

y=\frac{1}{2}x+\frac{1}{2}-\frac{4}{2}

And the final equation in slope-intercept form is:

y=\frac{1}{2}x-\frac{3}{2}

8 0
2 years ago
At a summer camp, 5 out of 12 campers are signed up for horseback riding. If there are 432 campers at the camp, how many are sig
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Answer:

The answer is 180.

Step-by-step explanation:

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4 0
2 years ago
Help, please???? This work is hard...
uranmaximum [27]

Answer:

EASY PEASY

Step-by-step explanation:

9²

HOPE IT HELPS YOU

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Step-by-step explanation:

To convert division problems with fraction into multiplication problems use the KCF rule

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