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Ber [7]
3 years ago
15

Use 3 for pi. I will give brainliest to whoever answers correctly

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

Answer:

where is the 3

Step-by-step explanation:

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Is the answer one solution, infinite solutions or no solution ?
ch4aika [34]

Answer:

Step-by-step explanation:

its infinite solution

hope i was helpful

5 0
3 years ago
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Helllllpppppppppp idk what it issssss
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I think it’s either a or c
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3 years ago
Best Cam'ron 3 miles and 25.8 minutes how long does it take her to run 1 mile
Gemiola [76]

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Step-by-step explanation:


4 0
3 years ago
A manufacturer makes golf balls whose weights average 1.62 ounces, with a standard deviation of 0.05 ounces. Estimate the probab
saul85 [17]

Answer:

P(-1 < z < 1)  = 0.3174

Step-by-step explanation:

Mean (μ) = 1.62 ounces

Standard Deviation (σ) = 0.05

No of balls (sample size n) = 100

X = weight of a ball

Weight of a group of 100 balls must lie in the range 162 ± 0.5 ounces i.e. weight of a single ball will be 162/100 ± 0.5/100 ounces = 1.62 ± 0.005 ounces.

So, we need to find the probability P (1.615 < X < 1.625). We will use the central limit theorem.

z = (Χ' - μ)/(σ/\sqrt{n})

P (1.615 < X < 1.625) = (\frac{1.615 - 1.62}{0.05/\sqrt{100} } < (Χ - μ)/(σ/\sqrt{n}) < \frac{1.625 - 1.62}{0.05/\sqrt{100} })

                                = (-1 < z < 1)

We need to find the probability of P (-1 < z < 1) by looking at the Normal Distribution Probability Table.

In order to make our working simpler, we need to break P (-1 < z < 1) into two parts: P(z < 1) and P(z > -1)

The probability for areas under the normal curve are given for P(z>X) so we can directly find the probability of P (z > -1) by referring to the normal probability table.

P(z > -1) = 0.1587

We can calculate P(z < 1) by subtracting P(z >1) from the total probability (i.e. 1). P(z >1) can be obtained from the normal probability table.

P(z < 1) = 1 - 0.8413 = 0.1587

By adding the two probabilities together, we get:

P(-1 < z < 1) = P(z < 1) + P (z > -1)

                   = 0.1587 + 0.1587

P(-1 < z < 1)  = 0.3174

6 0
3 years ago
Can someone please help on these three questions? Extra points have been added.
san4es73 [151]
56) the answer is 3x+10
                             _____
                                  5
If they want it simplified it will be 3x+2


57) x+40
      ____
         5          
If they want it simplified it would be x+8


I'm not sure about 58 sorry I hope this helps a little.
6 0
3 years ago
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