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MAVERICK [17]
3 years ago
6

SOMEONE HELP PLEASE NEED FAST

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0
I think that might be answer "C".
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Which. Satisfies the equation 2x plus 3y equals 12?
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3 years ago
You and your 3 friends are planning a night to watch movies.you will each bring 5 movies and then you will choose 4 to watch. Ho
Bess [88]

Answer:

A

Step-by-step explanation:

permutation are variations of a problem, but they are collecting movies and selecting 4 out of the 20 so it is combination

7 0
4 years ago
Write the equation of the hyperbola with foci at (1, 5) and (7, 5) and with vertices at (2, 5) and (6, 5).
mash [69]
If you plot the points given on a coordinate plane you see that this is a hyperbola that is is horizontal in nature, meaning it opens side to side, not up and down.  We can determine the center of it by taking the point equidistant from the vertices, which is (4, 5), the h and k of our center, respectively.  Also, the equation looks like this when it is horizontal: \frac{(x-h) ^{2} }{ a^{2} } - \frac{(y-k) ^{2} }{ b^{2} } =1.  a is the distance between the center and the vertices, so our a = 2, and c is the distance between the center and the foci, so our c = 3.  We need to find b now, using Pythagorean's theorem.  ( 2)^{2} + b^{2} =( 3)^{2} and b= \sqrt{5}.  Now we have everything we need to rewrite the equation: \frac{(x-4) ^{2} }{4} - \frac{(y-5) ^{2} }{5} =1
6 0
3 years ago
–20, - 12,5, 22, . . .<br> An=<br> A50=
marshall27 [118]

Answer:

an = 17n - 46

a50 = 804

Step-by-step explanation:

-29, -12, 5, 22, ...

Subtract each number from the next one.

-12 - (-29) = 17

5 - (-12) = 17

22 - 5 = 17

The common difference is 17. This is an arithmetic sequence which starts with -29, and in which each subsequent value is 17 more than the previous value.

a1 = -29

a2 = -29 + 17

a3 = -29 + 2(17)

a4 = -29 + 3(17)

Notice that for each term, you have -29 and something added to it. What you add to -29 is 17 multiplied by 1 less than the number of the term. For term 1, 1 less than 1 is 0. You add 0 * 17 to -29 and get -29. term 1 is -29. For term 2, 1 less than 2 is 1. You add 1 * 17 to -29 and get -12, etc.

For term n, 1 less than n is n - 1. Add (n - 1) * 17 to -29 to get term n.

an = -29 + 17(n - 1)

This formula can be simplified.

an = -29 + 17n - 17

an = -46 + 17n

an = 17n - 46

a50 = 17(50) - 46

a50 = 804

8 0
3 years ago
If a right triangle has equal legs, and the hypotenuse is 26 ft. how long is each leg (leave answer in radical form)
Ksenya-84 [330]

If a right triangle has equal legs, it is by definition a 45-45-90 triangle. So, the two sides would be x and the hypotenuse would x\sqrt{2}. However, we know the hypotenuse, and we do not see a \sqrt{2} anywhere. That means it has already been multiplied by it, so to get the lengths of the sides we simply divide 26 by \sqrt{2}. If you have to rationalize the denominator, the answer will be \frac{26}{\sqrt{2}}  = \frac{26\sqrt{2}}{2}  = 13\sqrt{2}

5 0
3 years ago
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