Question

Toni measured the height of her bedroom doorway with a measuring tape. She measured the height as 171 cm. The doorway’s actual height is 182.8 cm.

What is the percent error in Toni’s measurement? Round to the nearest tenth of a percent, if necessary.

A.0.12%

B.6.5%

C.6.9%

D.11.8%

Answer 1

@peak

Answer 2

Hey just divide 171 by 182.8 and then subtract that number from 1
171/182.8 = 0.935449
1-0.935449 = 0.064551 = 0.065 = 6.5%

Answer 3

thx

Answer 4

@peak

Answer 5

A car mechanic tested the accuracy of three speedometers. The table shows the speed registered by each of the three speedometers. The actual speed each speedometer was tested on was 90 kmph.

Which statements are true?

Choose exactly two answers that are correct.

A.
Speedometer A and Speedometer C had the same percent error.

B.
Speedometer C had the least percent error.

C.
Speedometer C had a 0.02% error.

D.
Speedometer B had about a 3.3% error.

Answer 6

file:///C:/Users/Student/Documents/K%C2%B9%C2%B2%20Online%20School.html

Answer 7

@DerrickTheKing

Answer 8

derrick

Answer 9

We cannot view the file that is in your computer

Answer 10

ok

Answer 11

Speedometer Speed displayed
(kmph)
A 92
B 87
C 88

Answer 12

thats the pic