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mihalych1998 [28]
3 years ago
7

The weight of a Synetic ball varies directly with the cube of its radius a ball with a radius of 2 inches weighs 3.60 pounds fin

d the weight of a ball of the same material with a 3 inch radius
Mathematics
1 answer:
zhuklara [117]3 years ago
8 0
<span>A wok frying pan is shaped like a spherical bowl with handles. A bit of experimentation at home persuades a cook that a wok holds about 3 L</span>
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Jahyib has 421 dollars. He has 152 dollars more than kelsyann. How much money do Jahyib and Kelsyann have altogether?
zaharov [31]
Both of them together have 690 because you subtract 152 from 421 so...

421-152=269

Then add 269 to 421

421+269=690
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What is pi/π used for in math
vovikov84 [41]

Answer:

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3 years ago
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Someone help me pls
kow [346]
Assuming the typewriter-looking words are the line names...
1. Line R
2. Line Q (Or R, but it is most likely Q)
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5 0
3 years ago
Assume that blood pressure readings are normally distributed with a mean of 124 and a standard deviation of 6.4. If 64 people ar
Murrr4er [49]

Answer:

99.38%

Step-by-step explanation:

We have that the mean (m) is equal to 124, the standard deviation (sd) 6.4 and the sample size (n) = 64

They ask us for P (x <126)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / (sd / (n ^ 1/2))

We have all these values, replacing we have:

z = (126 - 124) / (6.4 / (64 ^ 1/2))

z = 2.5

With the normal distribution table (attached), we have that at that value, the probability is:

P (z <2.5) = 0.9938

The probability is 99.38%

4 0
3 years ago
This is a question in statistics. Please answer with an explanation, thanks!
Liula [17]

Answer:

ewfd

Step-by-step explanation:

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