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2 years ago

Determine the period

Mathematics

1 answer:

aleksandrvk [35]2 years ago

6 0

Answer:

16 units

Step-by-step explanation:

period = length of an interval that contains exactly one copy of the repeating pattern, so from one peak to another peak.

in this graph its the peaks are 1 and 17, hence the period is 16

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Find the product of x^2+6x-5 and -3x+2

Archy [21]

X^2+21x+2 hope this helps :)

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3 years ago

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Which ordered pair is a solution of the equation?<br> -4r +7= 2y - 3

Mars2501 [29]

Answer:

y=-8, r= 2. this is your answer

6 0

3 years ago

Find the slope of the line that passes through the following points. (-8,-1) (-4,-2)

lana [24]

Answer:

-1/4

Step-by-step explanation:

We can find the slope of a line given two points by using

m = (y2-y1)/(x2-x1)

= (-2- -1)/( -4 - -8)

= (-2+1)/(-4+8)

= -1/4

8 0

3 years ago

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A textbook search committee is considering

lora16 [44]

Number of ways to select 3 books from 13 books for adoption is 286 .

<u>Step-by-step explanation:</u>

A Permutation is an ordered Combination. When the order does matter it is a Permutation. There are basically two types of permutation:

Repetition is Allowed: such as the lock above. It could be "333".

No Repetition: for example the first three people in a running race. You can't be first and second.

Formula is given by:

$nC_r= \frac{n!}{r! (n-r)!}$ , where n is the number of things to choose from, and we choose r of them, no repetitions, order matters. Here , n=13 , r=3.

⇒ $13C_3 = \frac{13!}{3!(13-3)!}$

⇒ $13C_3 = \frac{13!}{3!(10)!}$

⇒ $13C_3 = \frac{13(12)(11)10!}{3(2)(1)(10)!}$

⇒ $13C_3 = 13(2)(11)$

⇒ $13 C_3 = 286$

∴ Number of ways to select 3 books from 13 books for adoption is 286 .

3 0

2 years ago

Please help with this

gtnhenbr [62]

Answer:

the correct answer A. <1 and <7 , <2 and <8

5 0

2 years ago