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Alla [95]
3 years ago
13

Explain in your own words, what are reciprocals and when are they used?

Mathematics
2 answers:
charle [14.2K]3 years ago
7 0
Recipirocals is 1 divided by the number. The number times the reciprocal equals 1. Reciprocals are used when trying to get something to equal one, like when clearing out a fraction.
photoshop1234 [79]3 years ago
4 0
They are multiplicative inverses. For example, the reciprocal of 2/3 is 3/2. They are used when dividing fractions
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Fitness experts advise people who want to lose weight to drink protein shakes after workout sessions, because it helps build mus
Artemon [7]

Answer:

Part A

The probability of the treatment groups mean being greater than the control group mean by 8points or more = (26+8+2)/1000 = 0.036

Part B

Yes, the result is statistically significant because the probability of the difference being 8point or more is less than 5% significant level

Part C

The answers is 0.036 means that there is a very little chance of obtaining difference of 8points or more by random chance. So, if the difference between treatment group mean and control group mean is at least 8 , then the result is significant which means protein shaken is actually helpful in speeding up the weight-10 process

6 0
3 years ago
I need help (–
ExtremeBDS [4]

Answer:

69

Step-by-step explanation:

5(

–

q+6)=

–

20

5q–30=

–

20

Add -5 to both sides

Subtract -5 from both sides

Multiply both sides by -5

Divide both sides by -5

Apply the distributive property

5q=

Add 30 to both sides

q=

Divide both sides by 5 would be 69

6 0
2 years ago
A rectangle has vertices at these coordinates.
Ainat [17]
The coordinates of the fourth vertex are (0,0). I hope this helps!
5 0
3 years ago
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13. Use the distributive property
Brrunno [24]

Answer:

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5 0
2 years ago
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Jordan wrote the numbers from 1 through 150. How many times did he write the digit 4 in the tens place?
olga2289 [7]
40,41,42,43,44,45,46,47,48,49,140,141,142,143,144,145,146,147,148,149

Jordan wrote the number 4 in the tens place 20 times


I hope this helps :)
6 0
2 years ago
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