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Nitella [24]
3 years ago
11

My family went out to dinner. Our bill came to $115. We want to tip the waiter 20%. What is the total amount we should pay just

for tip? (Do not add $ sign to your answer.) *
Mathematics
1 answer:
MariettaO [177]3 years ago
4 0
The answer is 23 because 20% of 115 is 23
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An athlete jumps these 4 distances in a log jump competition. witch jump dose NOT round to 4.7 meters A:4.746 meters B:4.680 met
yaroslaw [1]
The answer is C:4.647.
5 0
3 years ago
Please help its my last question and I really need to submit this right about now. I’m not sure what the answer is and how I do
iren [92.7K]

Answer:

I legit answered this its 6/10

Edit: y = -6/10x + 100

Step-by-step explanation:

Change in y over change in x

60/100

6/10

8 0
3 years ago
Read 2 more answers
A machine that produces ball bearings has initially been set so that the true average diameter of the bearings it produces is .5
lara [203]

Answer:

7.3% of the bearings produced will not be acceptable

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 0.499, \sigma = 0.002

Target value of .500 in. A bearing is acceptable if its diameter is within .004 in. of this target value.

So bearing larger than 0.504 in or smaller than 0.496 in are not acceptable.

Larger than 0.504

1 subtracted by the pvalue of Z when X = 0.504.

Z = \frac{X - \mu}{\sigma}

Z = \frac{0.504 - 0.494}{0.002}

Z = 2.5

Z = 2.5 has a pvalue of 0.9938

1 - 0.9938= 0.0062

Smaller than 0.496

pvalue of Z when X = -1.5

Z = \frac{X - \mu}{\sigma}

Z = \frac{0.496 - 0.494}{0.002}

Z = -1.5

Z = -1.5 has a pvalue of 0.0668

0.0668 + 0.0062 = 0.073

7.3% of the bearings produced will not be acceptable

4 0
3 years ago
In a (blank) , one ratio compares a part to a whole
Archy [21]
While it does sounds redundant, it could be a "part to whole" ratio
3 0
3 years ago
What is 3,700,000 in scientific notation??
lawyer [7]
<h3>Answer:    Choice D)  3.7 * 10^6</h3>

=========================================================

Explanation:

Place a decimal point between the first two digits 3 and 7.

Now ask yourself how you can go from 3.7 back to the original value. Notice we can move the decimal point 6 spots to the right to go from 3.7 back to 3,700,000

Therefore, the exponent over the 10 is 6. The exponent is positive to mean we move the decimal point to the right. If we had a negative exponent, then we'd move left.

You can use a calculator to confirm that 3.7 * 10^6 = 3,700,000

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

Side notes:

3,700,000 = 3 million, 7 hundred thousand

3,700,000 = 3.7 million

7 0
3 years ago
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