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3 years ago

6

Someone help me fill in this chart

1 answer:

ozzi3 years ago

8 0

Slope-intercept forms:

line r= y= 2/5x+2
line s= y= -3/2x+3
line T= y= -2/3x-2

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When completed, the Great Pyramid of Giza was 481 feet in height. Lindy constructed a model of the pyramid using the scale 1

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English plz then I can answer it lol

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3 years ago

Bathing suits are on sale 80% off at Dillards. If I see a bathing suit marked down to $25, what was the original price of the ba

Svetradugi [14.3K]

Answer:

i think 20

Step-by-step explanation:

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2 years ago

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Approximately 14 percent of the population of Arizona is 65 years or older. A random sample of five persons from this population

Andreas93 [3]

Answer:

A)0.8533

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are 65 or older, or they are not. The probability of a person being 65 or older is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

14 percent of the population of Arizona is 65 years or older.

This means that $p = 0.14$

A random sample of five persons from this population is taken.

This means that $n = 5$

The probability that less than 2 of the 5 are 65 years or older is :

$P(X < 2) = P(X = 0) + P(X = 1)$

In which

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{5,0}.(0.14)^{0}.(0.86)^{5} = 0.4704$

$P(X = 1) = C_{5,1}.(0.14)^{1}.(0.86)^{4} = 0.3829$

$P(X < 2) = P(X = 0) + P(X = 1) = 0.4704 + 0.3829 = 0.8533$

So the correct answer is:

A)0.8533

3 0

3 years ago

The ratio of coloured papers to wight papers is 3:8.If there are 48 wight papers, how many coloured papers are there?

mestny [16]

Answer: The total number of colored papers is 18.

Step-by-step explanation:

Given: The ratio of coloured papers to wight papers is 3:8.

Let total number of colored papers = 3x

and total number of wight papers = 8x

Since, there are 48 wight papers , then

$8x=48$

$\Rightarrow\ x=6$

Now , number of colored papers = 3(6)=18

Hence, the total number of colored papers is 18.

4 0

3 years ago

*PLS HELP!!* {The Picture Is In The Attachment}

ivann1987 [24]

Answer:

Step-by-step explanation:

Supplementary angles add up to 180

∠1 + 50 = 180

∠1 = 180 - 50

∠1 = 130

∠3 +50 = 180 {Supplementary}

∠3 = 180 - 50

∠3 =130

⇒∠1 = ∠3 = 130

3 0

2 years ago

Read 2 more answers