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3 years ago

Hey yooo i need help check

Mathematics

1 answer:

max2010maxim [7]3 years ago

6 0

Answer:

number 11

s.i =deposit×rate×time

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What is the surface area of the right cone below?

Nadusha1986 [10]

B) 72pie units squared

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3 years ago

Write an equation to describe the relationship between the independent variable x and the dependent variable y.

AlexFokin [52]

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x=y+2

Step-by-step explanation:

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3 years ago

15. Which number is equivalent to 0.000001: 10^6 or 10^-6? Explain how you know. Plz help me

atroni [7]

Dannng I thought I seen this one before

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3 years ago

laiz [17]

Answer:

B) 0.02

Step-by-step explanation:

Use the Binomial Theorem

$\displaystyle P(X=x)=\binom{n}{x}p^xq^{n-x}\\\\P(X=4)=\binom{30}{4}(0.30)^4(1-0.30)^{30-4}\\\\P(X=4)=\frac{30!}{4!(30-4)!}(0.30)^4(0.70)^{26}\\ \\P(X=4)=\frac{30!}{4!(26)!}(0.30)^4(0.70)^{26}\\ \\P(X=4)=\frac{30*29*28*27}{4*3*2*1}(0.30)^4(0.70)^{26}\\ \\P(X=4)=27405(0.30)^4(0.70)^{26}\\\\P(X=4)\approx0.0208$

We have the probability of success, $p=0.30$ , and the probability of failure, $q=1-0.30=0.70$ . The binomial coefficient, $\binom{n}{k}$ , represents the amount of possible combinations that $k$ items can be chosen out of $n$ items, with its respective formula $\frac{n!}{k!(n-k)!}$ .

Hence, the best choice for the probability that 4 students chosen at random from the class of 30 that want the next test to be on Monday will be option B, 0.02

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2 years ago

What fraction is equal to 65%?

umka21 [38]

Answer:

65/100

Divide is by 100.

4 0

3 years ago