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Alexxx [7]
3 years ago
12

Find the z-score for the standard normal distribution where: P (z< -a) = 0.2451

Mathematics
1 answer:
Svetlanka [38]3 years ago
7 0
\mathbb P(Z
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The sum of two numbers is 62, and their difference is 8. What are the<br> numbers?
Marina CMI [18]

Answer:  35 and 27

Step-by-step explanation:

We can solve this by using a system of equations

x will be the first number while y will be the second

x+y=62

This equation means the two numbers will add to get 62

x-y=8

This equation means when subtracted the two numbers will have the difference of 8.

Now I will solve by elimination

x+y=62\\\\+x-y=8\\2x=70

When adding the two equations why was eliminated so now we can find the value of x

2x=70\\\frac{2x}{2} =\frac{70}{2} \\x=35

Now sub in x into one of the original equations to find the value of y

35+y=62\\35-35+y=62-35\\y=27

6 0
2 years ago
Solve the system of equations <br> x+2y=6<br> 3x+8y=4<br> Which is the y-value of the solution
Alja [10]

Answer:

(20,-7)

Step-by-step explanation:

6 0
3 years ago
Pls be serious but help me answer pls
Radda [10]

Answer:

A, 67 to 77

Im currently checking the others out

Step-by-step explanation:

5 0
3 years ago
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o-na [289]
Are u at school dude do it yourself kjsnfhbagyuhfva

8 0
3 years ago
Do you need to regroup to subtract 65-23
aliya0001 [1]

Answer:

No

Step-by-step explanation:

Use a calculator


6 0
3 years ago
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