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dedylja [7]
3 years ago
14

Help me pretty pls :)

Mathematics
1 answer:
Zarrin [17]3 years ago
8 0
APC your welcome mark me brainliest please
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A cruise ship is traveling at a speed of 20 knots . A knot is approximately equal to 1.151 miles per hour. What is the approxima
Mrrafil [7]
1 mile = 1760 yards
20 * 1.151 = 23.02
23.02 * 1760 = 40,515.2
40,515.2 / 60 = 675.243~
675.243~ / 60 = 11.2542~
They are traveling 11.25 yards per second
I took the number of knots multiplied by the approximate miles per hour equal
Then multiplied that by the number of yards in a mile, and then divided that by the number of minutes in an hour, and divided that by the number of seconds in a minute. That is how I got the answer, I hope it helps!
6 0
3 years ago
the volume of a rectangular prism is 504 in cube. If the area of the bask is 56 in cube, find its height.
mars1129 [50]

Answer: 9

Step-by-step explanation:

8 0
3 years ago
(05.01) Which statement best describes the area of the triangle shown below?​
alukav5142 [94]

Answer:

A

Step-by-step explanation:

Area of a triangle:

A=\frac{b*h}{2}

In our case:

b=4

h=2

Plug in what we know:

A=\frac{(4)(2)}{2} \\A=4units

Find the matching solution:

A.) it is 1/2 the area of a rectangle of length 4 units and width 2 units

X B.) it is twice the area of a rectangle of length 4 units and width two units

X C.) it is 1/2 the area of a square of side length 4 units

X D.) it is twice the area of a square of side length 4 units

6 0
2 years ago
You are selling tickets for a high school basketball game. Student tickets cost $3 and general admission tickets cost $5. You se
FinnZ [79.3K]

Answer:

5 stars? Answer down below

Step-by-step explanation:

a+b=350 => a=350 - b

3a + 5b = 1450

3(350-b)+b=1450

1050-3b+5b=1450

2b=400

b=200

a=150

3 0
3 years ago
Read 2 more answers
Can anyone explain standard deviations?
motikmotik

Answer:

One liner: Its a measure of how much close to the mean value the actual data points are.

Consider you have ten people and you are given that their mean age is 30.

Why are you given the average age and not the age of each person separately? for easiness of analysis. They don't want you to stare blankly at 10 different values. When we try to represent the information contained in ten values by a single value, of course, there is a trade off. You lose the accuracy of the information. So, there is a need to find out how good is this 'easy representation'.

Lets take the case. Average age is of 10 persons is 30. There can be n combinations of their ages. they could be i) 1,1,1,1,1,59,59,59,59,59 or they could be ii)30,30,30,30,30,30,30,30,30,30 or they could be ii)15,15,15,15,15,45,45,45,45,45.

In the first case, the actual values are spread far away from the mean. In the second case, all of them are exactly on mean and in the third case, the values are moderately separated away. How to distinguish between these? Here comes the need for standard deviation. A high standard deviation signifies high deviation of data points from the mean. A moderate SD signifies a moderate deviation of data points from the mean and a low (can be even zero) signifies that the data points are close to the mean.

Adding one more quantity of information, you get to have a better idea of the data set (rather than just having the mean). But then, the trade off is, you need to carry more information.

Step-by-step explanation:

5 0
3 years ago
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