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QveST [7]
3 years ago
7

What is the length (in centimeters) of side PR of the triangle? 36 centimeters 42 centimeters 60 centimeters 84 centimeters

Mathematics
2 answers:
insens350 [35]3 years ago
6 0
The correct answer is 60 centimeters

Hope this helped :)
Lorico [155]3 years ago
5 0
The answer is 60 centimeters
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Two digits are selected with replacement from the digits 1, 2, 3, and 4.
Helen [10]
6 and 8 I believe is the answer
6 0
2 years ago
The defect length of a corrosion defect in a pressurized steel pipe is normally distributed with mean value 30 mm and standard d
skelet666 [1.2K]

Answer:

z=-0.842

And if we solve for a we got

a=30 -0.842*7.8=23.432

So the value of height that separates the bottom 20% of data from the top 80% is 23.432.  

Step-by-step explanation:

Let X the random variable that represent the heights of a population, and for this case we know the distribution for X is given by:

X \sim N(30,7.8)  

Where \mu=30 and \sigma=7.8

For this part we want to find a value a, such that we satisfy this condition:

P(X>a)=0.80   (a)

P(X   (b)

As we can see on the figure attached the z value that satisfy the condition with 0.20 of the area on the left and 0.80 of the area on the right it's z=-0.842

If we use condition (b) from previous we have this:

P(X  

P(z

But we know which value of z satisfy the previous equation so then we can do this:

z=-0.842

And if we solve for a we got

a=30 -0.842*7.8=23.432

So the value of height that separates the bottom 20% of data from the top 80% is 23.432.  

8 0
3 years ago
What is the expanded form of 603478
WINSTONCH [101]

600000+3000+400+70+4

4 0
3 years ago
Read 2 more answers
Pppllzzz hhheeelpppp ima put you on the brainly mark and list
Vera_Pavlovna [14]

Answer:

11. Eagles to Whales

12. 23:50

13. 27:23

14. 3:5

Step-by-step explanation:

11. Eagles to whales since there are 4 eagles and 2 whales

12. There are a total of 100 senators, so the ratio is 46:100, divide by 2 to get lowest terms

13. #'s are given to you 54:46, just simplify by dividing

14. 21:35, simplify by dividing common terms, which in this case is 7


3 0
3 years ago
What does the word “flip” tell you to do in “keep change flip” for dividing fractions a) change the place of the numbers numerat
mars1129 [50]

Answer:

b) change the places of the numbers in the numerator and the denominator for the second fraction

Step-by-step explanation:

In the phrase "keep change flip":

You "keep" the first fraction.

"Change" the division sign into a multiplication sign.  

"Flip" (or switch) the places of the numerator and denominator in the second fraction.

Example:

\frac{1}{2} ÷ \frac{1}{3}

\frac{1}{2}*\frac{3}{1}=\frac{3}{2}=1.5

Hope this helps.

7 0
3 years ago
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