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2 years ago

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Mathematics

1 answer:

miskamm [114]2 years ago

4 0

Throughout this, I'm assuming that the scale is: 1 square = 1

Not 100% sure if my answers are correct.

Question 1:

The x coordinate must be 2 and the y coordinate must be -1.

Question 2:

The x coordinate would be -2 and the y coordinate would be -1.

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What is the mean of the values in the stem-and-leaf plot?<br><br><br> Enter your answer in the box.

BartSMP [9]

Answer:

The mean is the average of a set of data.

Example:

To find the mean, add up all of the numbers in the set and divide by the number of values that you added.

35 + 36 + 37 + 38 + 40 + 40 + 41 + 42 + 43 + 55 + 55 + 55 + 56 + 57 + 58 + 59 = 747

Then, divide by the number of values, which is 16.

747/16=46.68

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3 years ago

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Francisco is building a window seat below a bay window in the shape of an isosceles trapezoid. His blueprint for the window seat

Lera25 [3.4K]

Answer:

Step-by-step explanation:

I think it is a because if you mutiply and you will get your answer

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3 years ago

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A human gene carries a certain disease from the mother to the child with a probability rate of 34%. That is, there is a 34% chan

eimsori [14]

Answer:

The probability that at least one of the children get the disease from their mother is P=0.7125.

Step-by-step explanation:

This can be modeled as a binomial random variable.

The parameter p=0.34 is the probability of a child being infected, and is constant and independent of the other events.

The parameter n=3 is the number of children (sample size).

Then, we have to calculate the probabilty that at least one of the children get the disease from their mother. That is:

$P(x\geq1)$

The probability of exactly k children being infected can be calculated as:

$P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}$

Then, the easiest way to calculate this probability is using the complement: the value of the probability is 1 (or 100%) less the probability that no children gets infected.

$P(x\geq1)=1-P(x=0)\\\\\\P(x=0) = \dbinom{3}{0} p^{0}(1-p)^{3}=1*1*0.2875=0.2875\\\\\\P(x\geq1)=1-0.2875=0.7125$

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3 years ago

823 seconds expressed in minutes & sec

vladimir2022 [97]

13.72 minutes or 13 minutes 43.2 seconds

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3 years ago

Juanita’s circular table has a diameter of 4 feet. She wants to know the area of the table.

Sonbull [250]

Answer:

=12.56 ft^2

Step-by-step explanation:

First we need to find the radius

r = d/2 = 4/2 =2

Then we can find the area

A = pi r^2

= pi ^ 2^2

= 4pi

= 4*3.14

=12.56 ft^2

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3 years ago

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