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Marina86 [1]
2 years ago
13

John needs to purchase a blanket for his bedroom. John measured the blanket as 6 ft. The actual measurement was 5.5 ft. What is

John’s percent error?
Mathematics
2 answers:
BigorU [14]2 years ago
7 0

Answer: 8.3% error

Step-by-step explanation:

\frac{5.5}{6}×100= 91.6%

100-91.6=8.3

ololo11 [35]2 years ago
3 0

Answer:

9.09%

Step-by-step explanation:

Percent error=6-5.5/5.5*100

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weeeeeb [17]

Answer:

14/3

Step-by-step explanation:

7/9*6

= 14/3

Hope it helps you

7 0
3 years ago
PLEASE HELP me ANSWER these!!! My grade depends on it!!
iren [92.7K]
M (Mean) = 20,500;
SD (Standard Deviation) = 55
1 ) 20,555 = 20,500 + 55 = M + 1 SD
Answer: 50% + 34.1% = 84.1%
2 ) 20.610 = 20,000 + 110 = M + 2 SD
Answer: 10% - ( 50% + 34.1% + 13.6% ) = 100% - 97.7% = 2.3% 
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8 0
3 years ago
2x(squared) + 23x-19=0
Helen [10]
Use quadratic formula

for ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^2-4ac} }{2a}

given
2x^2+23x-19=0
a=2
b=23
c=-19

x=\frac{-23+/- \sqrt{23^2-4(2)(-19)} }{2(2)}
x=\frac{-23+/- \sqrt{529-152} }{4}
x=\frac{-23+/- \sqrt{377} }{4}

x=\frac{-23+ \sqrt{377} }{4} or \frac{-23- \sqrt{377} }{4}
7 0
3 years ago
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vovangra [49]

Answer:

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Step-by-step explanation:

5 0
2 years ago
What is the correct way to classify the figures shown below?
Natali [406]
They would be considered similar triangles.
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