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kow [346]
3 years ago
5

Help me please? 15 points to anyone who can help me!"Find the number of permutations of the first nine letters of the alphabet t

aking six letters at a time."

Mathematics
1 answer:
gladu [14]3 years ago
7 0
_{9}P_{6}=\frac{9!}{(9-6)!}=\frac{9!}{3!}=\frac{362,880}{6}=60,480
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Find x and y ! <br><br> pls help giving 50 points !!
Natasha_Volkova [10]

Answer:

y = 20°

x = 35°

Explanation:

Equation's:

   1) 2y + x + 105° = 180°

   2) 3x + x + 2y = 180°

Make y subject in equation 2

3x + x + 2y = 180

4x + 2y = 180

2y = 180 - 4x

y = 90 - 2x

Insert this into equation 1

2(90 - 2x) + x + 105° = 180°

180 - 4x + x + 105 = 180

-3x = -105

x = 35°

Find value of y

y = 90 - 2x

y = 90 - 2(35)

y = 20°

4 0
1 year ago
Read 2 more answers
Find the slope of the line that passes through (6, 6) and (3, 4).
77julia77 [94]

Answer:

The answer is \frac{2}{3}.

Step-by-step explanation:

The formula is supposed to be \frac{y2-y1}{x2-x1} or \frac{y1-y2}{x1-x2}, and if you do the math, the slope should be easy to solve.

8 0
2 years ago
Please help and thank you
zubka84 [21]

Answer:

B

Step-by-step explanation:

The graph of x² is known as the parent function. From it, all quadratics can be transformed to make their graphs. It can undergo a series of transformations like translations up/down/left/right or stretch and compression vertically and horizontally. Usually the equation can tell you you what transformations it undergoes. Since g(x) is the same equation as x² except for 4/5 this is a vertical compression. Since it is the leading coefficient under multiplication and 4/5 < 1, this is a compression vertically. Answer B is correct.

8 0
2 years ago
How much does 6.1 cubic feet of water weigh in pounds
Dovator [93]

Answer:

380.832 pounds    Approximately

Step-by-step explanation:

1 foot of water = 62.428 pounds  (62.43)

6.1* 62.43= 380.832

6 0
3 years ago
A line has a slope of -8 and includes the points (-10, 0) and (-9, z). What is the value of Z?
Evgesh-ka [11]

Answer:

Step-by-step explanation:

Let L be the given line, then, with a slope of -8

L :  y = -8x + b

where b is to be determined from the included point A(-10,0).

Substitute point A in L to get

0 = -8 (-10) + b

solve to get

b = -80

therefore

L : y = -8x -80

Now substitute B(-9,z) in L

z = -8(-9) - 80 = -8

6 0
2 years ago
Read 2 more answers
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