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Reptile [31]
3 years ago
15

Joelle is working on a school report

Mathematics
1 answer:
-Dominant- [34]3 years ago
5 0

Answer:

ok

Step-by-step explanation:

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Michael thought he could read 23 pages of his book in class. He was only able to read 20. what is his percent error
Cerrena [4.2K]
Percent error is calculated using

((Actual - predicted) / actual) * 100

In this case, the actual value of the number of pages he read is 20. The expected value was 23. So simply plug in:

((20 - 23) / 20) * 100 = -15%

Please don’t forget to like and mark brainliest
8 0
2 years ago
An astronomy club wants to buy six new eyepieces for their telescope. Four of the lenses cost $53.98 each. Two lenses cost $21 e
snow_lady [41]

Answer:

239.92

Step-by-step explanation:

53.94×4=215.92

Then you do 21×2=24 then you take the 215.92 and the 24 and add them together and it gives you 239.92

7 0
3 years ago
Read 2 more answers
A clothing store salesman had $5212 in total sales last month. He made $175 in commision. What is the commision as a percent of
Elis [28]

Divide the amount of commission made by the total sale, then multiply the decimal answer by 100 for the percent:

175 / 5212 = 0.03357


0.03357 * 100 = 3.357%


Round the answer as needed.


3 0
4 years ago
Ch.3 Test Savings Accounts
Harlamova29_29 [7]

Step-by-step explanation:

5000 x 3 + 3.5% of 5000 x 3 = the answer

8 0
3 years ago
What is The area of a parallelogram with a length of 7 cm and a with of 2 cm
yawa3891 [41]

Answer:

14cm^2

Step-by-step explanation:

\text {Formula for area of a parallelogram: } A=l*h\\\text {l is the length. h is the height.}

l = 7

h = 2

7 * 2 =14\\\boxed {\text {The area of the parallelogram should be 14cm squared.}}

<em>Brainiest Appreciated!</em>

4 0
3 years ago
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