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saveliy_v [14]
3 years ago
9

Slope of 2/5 that passes through (10,-4)

Mathematics
2 answers:
nadya68 [22]3 years ago
5 0
F(x)=2/5-4
i hope this helps

olga2289 [7]3 years ago
4 0
Y + 4 = 2/5(x - 10)
y + 4 = 2/5(x) - 4
y = 2/5(x) - 8

hope it helps
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She gained 9.95 pounds 
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3 years ago
Find a number You can add to 6274 so you have to regroup ones,tens, and Hundreds
lana66690 [7]
May be it is adding 1000 is it a single number?

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7 0
3 years ago
Discrete R.V. Assume a student shows up for EGR 280 completely unprepared and the instructor gives a pop quiz. Assume there are
Tom [10]

Answer:

a) p=0.2

b) probability of passing is 0.01696

.

c) The expected value of correct questions is 1.2

Step-by-step explanation:

a) Since each question has 5 options, all of them equally likely, and only one correct answer, then the probability of having a correct answer is 1/5 = 0.2.

b) Let X be the number of correct answers. We will model this situation by considering X as a binomial random variable with a success probability of p=0.2 and having n=6 samples. We have the following for k=0,1,2,3,4,5,6

P(X=k) = \binom{n}{k}p^{k}(1-p)^{n-k} = \binom{6}{k}0.2^{k}(0.8)^{6-k}.

Recall that \binom{n}{k}= \frac{n!}{k!(n-k)!} In this case, the student passes if X is at least four correct questions, then

P(X\geq 4) = P(X=4)+P(X=5)+P(X=6)=\binom{6}{4}0.2^{4}(0.8)^{6-4}+\binom{6}{5}0.2^{5}(0.8)^{6-5}+\binom{6}{6}0.2^{6}(0.8)^{6-6}= 0.01696

c)The expected value of a binomial random variable with parameters n and p is E[X] = np. IN our case, n=6 and p =0.2. Then the expected value of correct answers is 6\cdot 0.2 = 1.2

5 0
3 years ago
Help me! I'm not sure if this is right.
ANTONII [103]
That’s correct :) goood jobbb
3 0
3 years ago
Anser number 6 for me so i kan get a better grade
Arlecino [84]

Answer:

Rita is left with approximately \$ 4

Step-by-step explanation:

Given:

Price for trousers= \$ 19.39

Price for shirt = \$ 27.88

Price for headscarf = \$ 8.62

Total Money she Spent = Price for trousers + Price for shirt + Price for headscarf = \$ 19.39 + \$ 27.88+ \$ 8.62 = \$55.89

Total Money she had before = \$60

∴Total Money left = Total Money she had - Total Money she spent = \$60 - \$55.89 = \$4.11

Rounding to nearest whole number ≈ \$4

7 0
3 years ago
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