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natita [175]
3 years ago
9

7. As part of a research study you measure participants' heights in inches. The average height of all participants is 70 inches,

and the standard deviation is 3 inches. One of your participants, Rachel, who is 65 inches tall, wants to know what percentage of the participants are taller than she is. What is the answer to her question?
Mathematics
1 answer:
e-lub [12.9K]3 years ago
6 0

Answer:

I suggest asking your professor for help.

Step-by-step explanation:

sorry I couldn't help this time.

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J'Neices cell phone plan is $79 per month for unlimited calling plus 1000 text messages. Text messages over 1000 cost $0.15 each
BaLLatris [955]

Answer:

C. 244

Step-by-step explanation:

It costs 79 dollars a month = 79x

It costs 0.15 dollars for every text message over 1000 = 0.15y

The equation is:

79x + 0.15y = z

X = months

Y =  Each text message over 1000

Z = the total amount spent

Let's plug in our values

79(1) + 0.15(1100) = z

79 * 1 = 79

0.15 * 1100 = 165

79 + 165 = z

79 + 165 = 244

z = 244

C. 244

7 0
3 years ago
Marion left out reasons from her proof. Which reason best supports the statement?
Tpy6a [65]
Corresponding angle postulate
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3 years ago
What is the sum of the interior angles of a regular polygon with 5 sides?
ZanzabumX [31]

Answer:

540 is the ans

Step-by-step explanation:

this is the correct answer

8 0
3 years ago
Read 2 more answers
The answer to a,b and c
GuDViN [60]

Answer:

16/45; 4/45; 1125

Step-by-step explanation:

Since you know that 4/9 and 1/5 are used, make them common denominators. So 4/9 would turn into 20/45 and 1/5 would be 9/45. It results in 29/45, but that is the amount spent, so you would subtract 45-29/45, resulting in 16/45. For B, you know that she spent 3/4 of the savings, so you know that 1/4 is not being spent. So use 1/4 multiplied by 16/45 from part A to get 4/45. For C, you know that 4/45 is $100, so I multiplied 45x100 to get 4500 and then divided by 4 to get 4500/4.

8 0
3 years ago
5. In the morning, Kevin's cat eats 1/2 of a can of cat food. In the afternoon, the cat eats 1/4 of a can of food. In the evenin
ELEN [110]

Answer:

2 cans

Step-by-step explanation:

1/2 + 1/4 + 4/5 = 1.55

2 is the best answer since we know the cat eats more than 1 and a half cans so the closest thing would be 2 cans

5 0
3 years ago
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