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svp [43]
3 years ago
15

The data in a data set are normally distributed with a mean of 170 and a standard deviation of 20. Estimate the percent of the d

ata that are less than 150 or greater than 190.​
Mathematics
1 answer:
stich3 [128]3 years ago
8 0

Answer:

bbvbdth tu ofdrjvfgbcddfh ri homo

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9. The water level is 3 feet below your dock. The tide goes out, and the water level lowers 1 foot. A storm surge comes in, and
guapka [62]
We know that that the water level is 3 feet below your deck. (-3)
When the tide goes out, the water level lowers 1 foot. (-1)
A storm surge comes in, the water level rises 2 feet. (+2)

New water level: -3-1+2= -4+2= -2
The new water level is 2 feet below the dock.

Mark as brainliest pls. Any concern or comment, talk to me.
3 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST!!!!!!MUST BE CORRECT!
ExtremeBDS [4]
Hi there! The answer is 9 square units

To find the area of a triangle we use the following formula:
Area = 0.5 * base * height.

The base of this triangle:
AC = 6 

The height of this triangle:
BD = 3

Filling in this formula gives us: 
Area = 0.5 * 3 * 6 = 9

Therefore, the answer is 9 square units
7 0
3 years ago
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A starfish's top speed is approximately 161 centimeters per minute. What is this speed to the nearest centimeter per second? plz
Papessa [141]

2.7 cm per second. Because it’s 161 divided by 60

6 0
4 years ago
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21. You purchase 100 shares of Ravioli Den for $45 per share. One year later, you sell the shares
kicyunya [14]

Answer: 20%

100 shares at $45each cost 100*45 = $4500

After a year, he sold the share at the rate if $52 each and it cost 52*100 = 5200

He received dividend of $2 on each dollars meaning 100*2 = $200

So,

$5200+200 = 5400

Profit = $5400 - 4500 = 900

%profit = 900*100 / 4500 = 20

4 0
3 years ago
Will vote brainliest.
Vlada [557]

First you have to factor the equation because there are technically 2 x’s in an x^2. You will get x(x+6)=0 because x*x=x^2 and 6*x=6x. Now you can come up with possible values. If you make the first x, 0, you are multiplying everything by 0 and will get the product of 0. So, one of the and coordinates is x=0. You can also substitute -6 for the second x in the equation so that in the parentheses it would be x(-6+6)=0. You’re basically multiplying 0 by x which will guarantee you to get 0. So, the answer is (0,-6). If you have any questions feel free to comment.

6 0
3 years ago
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