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3 years ago

What is the slope of the line that passes through the points (1,1) and (9,7)?

Mathematics

2 answers:

balu736 [363]3 years ago

5 0

Answer:

slope = $\frac{3}{4}$

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (1, 1) and (x₂, y₂ ) = (9, 7)

m = $\frac{7-1}{9-1}$ = $\frac{6}{8}$ = $\frac{3}{4}$

aalyn [17]3 years ago

3 0

It's 3/4, simple enough just do delta y over delta x

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25% of all who enters a race do not complete. 30 haveentered.

nikklg [1K]

Answer:

The probability that exactly 5 are unable to complete the race is 0.1047

Step-by-step explanation:

We are given that 25% of all who enters a race do not complete.

30 have entered.

what is the probability that exactly 5 are unable to complete the race?

So, We will use binomial

Formula : $P(X=r) =^nC_r p^r q^{n-r}$

p is the probability of success i.e. 25% = 0.25

q is the probability of failure = 1- p = 1-0.25 = 0.75

We are supposed to find the probability that exactly 5 are unable to complete the race

n = 30

r = 5

$P(X=5) =^{30}C_5 (0.25)^5 (0.75)^{30-5}$

$P(X=5) =\frac{30!}{5!(30-5)!} \times(0.25)^5 (0.75)^{30-5}$

$P(X=5) =0.1047$

Hence the probability that exactly 5 are unable to complete the race is 0.1047

6 0

3 years ago

pete owes his brother $35 from five weeks of borrowing money if pete contiuess to borrow money how much money will he owe after

Pani-rosa [81]

Answer:

I think the answer is 56

Step-by-step explanation:

35 divided by 5 is 7, then you multiply 7 by 8 and you get 56

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Step-by-step explanation:

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