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german
3 years ago
7

Laurague here is your answer:)

Mathematics
1 answer:
gayaneshka [121]3 years ago
3 0
Got it :)Thank you!!!!!!!
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Bruce's hourly wage increased from $12.00 to $13.00. What is the percent of increase?
vladimir1956 [14]

Answer:

Around 10

Step-by-step explanation:

Well, 10 percent of 12 is 1.2 because 12/10 is equal to that. Bruce's salary increased by exactly 1 dollar from 12 to 13. 1.2 can be rounded down pretty easily to 1 dollar so we know the answer is around 10. I don't really know everything about percentages so I'm not gonna take a wild guess and have you get it wrong. But not a lot of people are answering on brainly lately so I'm trying to help everyone as much as I can. Sorry, I hope this at least is a little bit of a guide for you.

8 0
2 years ago
Expand and simplify 2(y+5)+5(2-3y)
tino4ka555 [31]

Answer:

-13y+20

Step-by-step explanation:

5 0
3 years ago
The actual length of a machine is 12.25cm , the measured length 12.2cm find the Absolute error .
NeX [460]

Answer:

Absolute error is 0.05 cm.

Step-by-step explanation:

Given:

Actual length = 12.25 cm

Measured length = 12.2 cm

We need to find Absolute error.

Solution:

Now we can say that;

Absolute error is equal to measured length minus Actual actual.

framing in equation form we get;

Absolute error = |Measured\ length - Actual\ length|= |12.2-12.25| = |-0.05|

Hence Absolute error is 0.05 cm.

6 0
3 years ago
Irina predicted that she would sell 75 books, but she actually sold 95 books. Which expression would find the percent
kolbaska11 [484]

Percent error = |actual error - expected error/ expected error| * 100%

(|75-95|)/95 = 0.21

0.21 * 100% = 21% error

6 0
2 years ago
A newborn who weighs 2,500 g or less has a low birth weight. Use the information on the right to find the z-score of a 2,500 g b
shtirl [24]

Answer:

Z = -2.2

Step-by-step explanation:

Problems of normally distributed samples are 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 = 3600, \sigma = 500

Use the information on the right to find the z-score of a 2,500 g baby.

This is Z when X = 2500. So

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

Z = \frac{2500 - 3600}{500}

Z = -2.2

6 0
3 years ago
Read 2 more answers
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