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

1 year ago

Ulio has started his very own floral business. He sells centerpieces for $19.50 each. His fixed costs are $500 per month, and ea

erastova [34]

He would need to at least 44 to sell before breaking even.

8 0

3 years ago

Which rule explains why these scalene triangles are similar?

miskamm [114]

Answer:

D. None of the above; the triangles cannot be proven similar

Step-by-step explanation:

There are no signs that shows the triangles are similar or congruent for given information. So the answer is last option :

D. None of the above; the triangles cannot be proven similar

6 0

2 years ago

At a concession stand five hotdogs and two hamburgers cost 8.00 two hotdogs and five hamburgers cost 9.50 find the cost of one h

Svetach [21]

Think of this situation as a system of equations.

let y be the price of hotdogs
let x be the price of hamburgers

5y + 2x = 8
2y + 5x = 9.50

now use your solution method of choice
substitution, elimination, matrices, etc

6 0

3 years ago