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valina [46]
3 years ago
15

For what x-value(s) does sin(x) = -1?

Mathematics
1 answer:
ioda3 years ago
4 0
\sin x=-1\\
x=-\dfrac{\pi}{2}+2n\pi, n\in\mathbb{Z}
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If a girl earned $43.65 by working 5 hours in one day , how much would she earn by working 7 hours in one day
Diano4ka-milaya [45]

So you would divide 43.65 by 5 hours (to get 8.73), then you multiply by 7, and your final answer is $61.11

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Guys, please help me with this problem. Thank you
vagabundo [1.1K]

Ok so the formula for point-slope is:

y - y 1  = m(x - x1)

m=slope

y1 = y point that's given

x1 = x point that's given

The problem says "use the point (-1,-4)"

so we will put it into our equation.

(-1,-4)

-1 is our x, and -4 is our y, now we can put it into the equation.

y - ( - 4) = m(x - (- 1))

Now we need to find the slope using:

\frac{y2 - y1}{x2 - x1}

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So the answer is..

y - ( - 4) = 2(x - ( - 1))

6 0
3 years ago
How many 3/4s are in 2
dusya [7]
How many three-fourths are in 2? 2 complete sets of three-fourths can be made and 2 of the 3 pieces need to make \frac34 are left over, so we have another \frac23 of a three-fourths. and we can see that there are 2 wholes with 4 fourths in each whole, so there are 2\times 4 fourths in 2.
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Answer:

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