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zloy xaker [14]
3 years ago
5

I need help I dont know how to do it​

Mathematics
1 answer:
Ganezh [65]3 years ago
3 0

Answer:

I put the answers in the picture below!

Step-by-step explanation:

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In a standard normal distribution, about _________% of the scores fall above a z-score of 3.00
Katarina [22]

The normal rule to remember is 68-95-99.7, i.e. plus or minus three sigma corresponds to 99.7% of the probability. That leaves 0.3% in the two tails, or 0.15% in the tail above 3 sigma.

Answer: 0.15%


7 0
3 years ago
A bookseller bought 20 pencils at Rs 4.50 each and sold them at Rs 5.75 each. What i total profit? ​
WITCHER [35]
<h3>Answer:    Rs  25</h3>

Explanation:

Each pencil has a profit of Rs 1.25 since \text{revenue} - \text{cost} = 5.75 - 4.50 = 1.25

Multiply that result with 20 to get the final answer shown above in bold.

7 0
1 year ago
I WILL MARK BRAINLIEST <br><br> 22 - 2x + 4(x - 2)= 34
lara [203]

Answer:

x = 10

Step-by-step explanation:

22 - 2x + 4(x - 2) = 34

22 - 2x + 4x - 8 = 34

22 - 8 - 2x + 4x = 34

14 + 2x = 34

-14           -14

--------------------------------

2x = 20

/2     /2

--------------------------------

x = 10

7 0
2 years ago
Read 2 more answers
could someone explain to me how to multiple/divide equations in scientific notation im super confused :(
Gemiola [76]
Hi you can change the scientific notation to standard notation. Then go from there
3 0
2 years ago
A:4x+4=108<br>B:4x+4=90<br>C:108+4×+4=180<br>D:180=90+4×+4<br>E:×+108=108​
Citrus2011 [14]

Answer:

C:108+4x+4=180

Step-by-step explanation:

The angles are supplementary so they sum up to 180

3 0
3 years ago
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