MATHEMATICS HIGH SCHOOL

You measure a piece of rope and find its length to be 13 m. Find the percent error of this measurement. Round to the nearest hundredth.A. 0.15%

B. 0.92%

C. 3.85%

D. 0.38%

Answers

Answer 1
Answer: its either b or d are my best guesses
Answer 2
Answer:

Answer:

c. 3.85

Step-by-step explanation:

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How to convert 1.86 m to feet
–3(t − 17) = 6 whats the answer
Please answer this 4 me , 50 points <3
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HELP PLEASE???? A walking path across a park is represented by the equation y = –4x + 10. A new path will be built perpendicular to this path. The paths will intersect at the point (4, –6). Identify the equation that represents the new path.

What is reference angle for 150 degrees

Answers

30 degrees because you want to find the angle between the 150 degrees and it's supplement- if it was 340 then it would be 20 degrees

How do I solve for x in the two equations below using substitution.
4x-2y=4
8x+2y=20

Answers

4x-2y=4 \n8x+2y=20 \n \n\hbox{from the 1st equation:} \n4x-2y=4 \n-2y=-4x+4 \ny=2x-2 \n \n\hbox{substitute 2x-2 for y in the 2nd equation:} \n8x+2(2x-2)=20 \n8x+4x-4=20 \n12x=24 \nx=2 \n \ny=2 \cdot 2-2 \n\y=4-2 \ny=2 \n \n \hbox{the answer:} \nx=2 \n y=2
4x-2y=4
8x+2y=20

12x=24
x=24/12
x=2

sub x into 8x+2y=20
8(2)+2y=20
16+2y=20
2y=20-16
2y=4
y=4/2
y=2

solution (2,2)

check
4x-2y=4(2)-2(2)=4
8x+2y=8(2)+2(2)=16

hope this helps

What is the area of a triangle base 25 feet and height 8 feet

Answers

How you get your answer is by multiplying 25*8= 125 
Area= 25*8/2= 100
Area of triangle= base*height/2

What is 4 1/6 minus 2 5/6

Answers

4 (1)/(6) -2 (5)/(6) =3+1 (1)/(6) -2 (5)/(6) =3-2+ (7)/(6) - (5)/(6) =1 (2)/(6) =1 (1)/(3)
1 2/6 or 1 1/3 would b ur answer (ther both th same!!)

What is the nth term in the sequence:
4, 7, 12, 19, 28
Please show working out

Answers

                         4, 7, 12, 19, 28
1st difference    +3 +5 +7 +9
2nd difference      +2 +2  +2

This is a geometric sequence

The form is:
                  an² + bn + c
2a is always = to the second difference
2a = 2
a = 1

3a + b = 2nd term - 1st term
3(1) + b = 3
3 + b = 3
b = 0

a + b + c = 1st term
1 + 0 + c = 4
1 +c = 4
c = 3

nth term of sequence {substitute all we have found}
1n² + 0 + 3
n² + 3

What is the fraction 18/24 reduced to the lowest terms

Answers

Since 6 goes into both of them you would have to divide each by 6 to get 3/4. This is the answer. Hope this helped.
The lowest term of 18/24 is 3/4
Next time if you want to know usually calculators simply it down for you if you just type in the 18/24
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