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yuradex [85]
3 years ago
15

If 217 over 300 is written as a decimal, how many digits repeat?

Mathematics
1 answer:
mojhsa [17]3 years ago
7 0
I thnk the answer would be that one digit repeats (the 3) as the decimal is .7233333 and so on with the threes
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An angle measures 50° more than the measure of a complementary angle. what is the measure of each angle?
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Then, a = 140 - a;
2a = 140;
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a = 70 (it is the measure of one angle);
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What is the value of 6 (2b-4) When b=5
e-lub [12.9K]

Answer:

36

Step-by-step explanation:

Replace the 2b with 10 and then do the parenthesis, so 10-4=6

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In a large population, about 10% of people do not like the taste of cilantro, an herb used in cooking. A researcher takes a rand
bogdanovich [222]

Answer:

0.0019390

Step-by-step explanation:

10% of people do not like the taste of cilantro

A researcher takes a random sample of 15 people and surveys whether they like cilantro

Use the binomial distribution to compute the probability that exactly 6 of the people in the sample do not like cilantro.

Probability of success = 0.10 = p

Probability of failure = 0.9 =q

n = 15

r = 6

Formula : P(X=r)=^nC_rp^r q^{n-r}

P(X=6)=^{15}C_6 (0.1)^6 (0.9)^{15-6}

P(X=6)=\frac{15!}{6!(15-6)!} (0.1)^6 (0.9)^{15-6}

P(X=6)=0.0019390

Hence  the probability that exactly 6 of the people in the sample do not like cilantro is 0.0019390

3 0
3 years ago
What is the equation of the quadratic function that has vertex (-3, 1) and passes through the point (-2, 4)?
Marat540 [252]
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For this, we will be using vertex form. Firstly, plug the vertex into the vertex form equation:

y=a(x-(-3))^2+1\\y=a(x+3)^2+1

Next, we need to solve for a. Plug in (-2,4) into the x and y coordinates to solve for a as such:

4=a(-2+3)^2+1\\4=a(1)^2+1\\4=a+1\\3=a

Putting our equation together,<u> it's y=3(x+3)^2+1</u>

<u>*Additional section*</u>

  • Standard form: y=ax^2+bx+c

Converting to standard form as such:

y=3(x+3)^2+1\\y=3(x^2+6x+9)+1\\y=3x^2+18x+27+1\\y=3x^2+18x+28

8 0
3 years ago
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