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3 years ago

Cameron's book log shoes he reads total of 4\1/4 hours last month how many minutes is that

Mathematics

2 answers:

Romashka-Z-Leto [24]3 years ago

8 0

260 minutes. 4 times 60 = 240 + 20 minutes i s the quarter

weeeeeb [17]3 years ago

4 0

The correct answer is 255 because 60 divided by 4 is 15 and 60 times 4 is 240. if you add those together its 255 minutes

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students are encouraged to exercise at least 2 1/2 hours a week. Hector exercises about the same number of hours each week. duri

Natasha2012 [34]

Answer:

On average, he exercises 2.875 hours per week.

Step-by-step explanation:

Just do 11 1/2 (11.5) divided by 4, and you get your answer of 2.875 hours per week.

6 0

2 years ago

The correlation analysis assumes that the measurements have a bivariate normal distribution in the population. Select all of the

RoseWind [281]

Answer:

A. True

B. True

C. False

D. False

E. False

F. False

G. True

Step-by-step explanation:

Select all of the features that define a bivariate normal distribution.

(this means that we select only those that are properties of the bivariate normal distribution)

A. Bell-shaped probability distribution in two dimensions rather than one

TRUE because any combination of the two is still normal Z(x,y)=aX+bY

B. A relationship between X and Y that is not linear

TRUE The contours of the distribution are ellipses.

C. The presence of outliers

FALSE possible, but not always.

D. Either X or Y has a decidedly skewed distribution

FALSE normal distributions are symmetric

E. A relationship between X and Y that is linear

FALSE see answer to B

F. A cloud of points that is funnel shaped (wider at one end than the other)

FALSE normal distributions are symmetric

G. The frequency distributions of X andY separately are normal

TRUE For example, in Z(x,y)=aX+bY, putting a or b=0 means that X and Y separately are normal.

4 0

3 years ago

How to draw x is less than and equal to 11/5 on number line?

Nikitich [7]

First, write out the statement as an inequality so that it looks like this: x≤11/5
Then you graph it on a number line, and since you know anything greater/less than or equal to is a closed circle since it includes the value 11/5, you would plot a closed circle on 11/5 on a number line and draw and arrow pointing towards the left to show that only values 11/5 or under can satisfy x.

6 0

2 years ago

Simplify the Expression 2(x +14) - (2x - 5)

elena55 [62]

your answer would be 33.

step 1

2(+14)−1(2−5)

2+28−1(2−5)

step 2 distribute

2+28−1(2−5)

2+28−2+5

step 3 then add the numbers

2+28−2+5

2+33−2

combine

2+33−2

ANSWER IS

7 0

2 years ago

At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?

Gnoma [55]

There would be 12 people at the party!

In general, with n+1 people, the number of handshakes is the sum of the first n consecutive numbers: 1+2+3+ ... + n.

Since this sum is n(n+1)/2, we need to solve the equation n(n+1)/2 = 66.

This is the quadratic equation n2+ n -132 = 0. Solving for n, we obtain 11 as the answer and deduce that there were 12 people at the party.

Since 66 is a relatively small number, you can also solve this problem with a hand calculator. Add 1 + 2 = + 3 = +... etc. until the total is 66. The last number that you entered (11) is n.

Hope this helps!

3 0

2 years ago

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