Several students measured a 25mm long nail and wrote the measurements shown in the table below. Whose measurement had the greatest percent error?
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Related Questions
To complete a task in 15 days, a company has 4 people each working 8 hours a day. The company
decide to have 5 people each working 6 hours a day. Assume that each person works at the same
rate.
a) How many days will it take the 5 people to complete the task?
b)Comment on how the assumption affects your answer to part (a).
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Answer:
Let's suppose that each person works at an hourly rate R.
Then if 4 people working 8 hours per day, a total of 15 days to complete the task, we can write this as:
4*R*(15*8 hours) = 1 task.
Whit this we can find the value of R.
R = 1 task/(4*15*8 h) = (1/480) task/hour.
a) Now suppose that we have 5 workers, and each one of them works 6 hours per day for a total of D days to complete the task, then we have the equation:
5*( (1/480) task/hour)*(D*6 hours) = 1 task.
We only need to isolate D, that is the number of days that will take the 5 workers to complete the task:
D = (1 task)/(5*6h*1/480 task/hour) = (1 task)/(30/480 taks) = 480/30 = 16
D = 16
Then the 5 workers working 6 hours per day, need 16 days to complete the job.
b) The assumption is that all workers work at the same rate R. If this was not the case (and each one worked at a different rate) we couldn't find the rate at which each worker completes the task (because we had not enough information), and then we would be incapable of completing the question.
What are the solutions of the quadratic equation below?
x2 - 4x - 6 = 0
O x = 2 + 12
O x = 2 + V10
O x = -2+2
O x = -2 + V10
Answer quickly pls
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Answer:
the second one
Step-by-step explanation:
How would I find this? Would I do 90-40 and then get 50 or would I have to do 90-50 to get x?
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Answer:
i think u have to use subtraction
Answer:
x = 50
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
subtract the sum of the 2 given angles from 180 for x
x = 180 - (90 + 40) = 180 - 130 = 50
A 4 sided polygon has 2 congruent sides and the non congruent sides are parallel. What is the most accurate name of the polygon?
1. Trapezoid
2. Isosceles Trapezoid
3. Kite
4. Parallelogram
Answers
Answer:
Trapezoid
Step-by-step explanation:
So there's four sides on a trapezoid. The top and bottom ones are parallel. But they're not congruent. I don't think... Anyway, good luck.
Answer:
2. Isosceles TrapezoidStep-by-step explanation:
1. Trapezoid
False. Trapezoid has no two congruent sides2. Isosceles Trapezoid
True. Sides are congruent and bases are parallel.3. Kite
False. Two pairs of congruent sides but none are parallel.4. Parallelogram
False. Two pairs of congruent sides but both are parallelOrder of Operations With Integers. Please help me solve and how you got the answer!! help, please!!
Answers
Answer:
2
Step-by-step explanation:
[tex]\frac{(-2)(-3)(-4)}{-9 + (-3)}[/tex]
First, simplify the top and bottom separately:
[tex]\frac{-24}{-12}[/tex]
Then, just divide:
[tex]-24 / -12 = 2[/tex]
Bookstore A sells a particular book for $15.25, but they have it on sale for 20% off. Bookstore B sells it for $12.45. How much more does it cost at Bookstore B?
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Answer:
$0.25
Step-by-step explanation:
to find the amount bookstore A sales after the 20% discount, cross multiply x/15.25=20/100 and you get $3.05. 15.25-3.05 gives you $12.2. substract 12.2 from 12.45 and you get $0.25. book B costs $0.25 more than book A.
There are 4 cups in a row from left to right. The green cup is somewhere between the yellow and blue cups. The red cup is somewhere left of the yellow cup. Based on that information, how many different arrangements of these cups could there be? Can you solve this?
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Answer: 2 combinations .
Red, Yellow, Green, Blue
Blue, Green, Red, Yellow
Step-by-step explanation:
question is link so do that.
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Answer:
90
Step-by-step explanation:
180 divided by 2 is 90
What is (5,-4) rotated 180° clockwise?
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goes to diagonal box on coordinate plane
What is the slope of the line y=8?
Answers
Answer:
undefined or 0
Step-by-step explanation:
Answer:
The answer is 0 because undefined is straight up or vertical
The length of a rectangle is shown below: On a coordinate grid from negative 6 to positive 6 on the x-axis and on the y-axis, two points A and B are shown. The point A is on ordered pair 1, 2, and the point B is on ordered pair negative 3, 2. A straight line joins the points A and B. If the area of the rectangle to be drawn is 12 square units, where should points C and D be located, if they lie vertically below the line that connects B and A, to make this rectangle? C(−3, −2), D(1, −2) C(−3, −1), D(1, −1) C(−3, −4), D(1, −4) C(−3, −5), D(1, −5)
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Answer:
Would be the answer D(1, −4)
Step-by-step explanation:
Excuse me if i'm wrong, it seems like you have the same test or almost. And this was the answer on mine. I hope it works out for you!
Plz help please i need it soon
Answers
Answer:
Step-by-step explanation:
110=(8x-10)
110+10=8x-10+10
120=8x
120/8=8x/8
15=x
Question in picture!!:)
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Simplify the equation
The simplified answer is
2x+17
261.24 = 15w - 23.75
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Hopefully its correct
solve using substitution
x=10
6x-6y=18
y=?
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y = 7
hope it's helpful ❤❤❤❤❤❤
THANK YOU.
Step-by-step explanation:
6x -6Y = 18
6 × 10 -6y = 18
60 -6y = 18
-6y = 18 -60
-6y = -42
y = -42/-6
y = 7
plssssssssssssss help this quiz is timed Tomaz realized that the tip of a second hand on a clock rotates about the center of the clock. He watched the second hand rotate around the center of the clock for 15 seconds. Which describes the rotation he observed?
270 degrees clockwise rotation
90 degrees clockwise rotation
180 degrees rotation
90 degrees counterclockwise rotation
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Answer:
90 degrees
Step-by-step explanation:
90 degrees hhgffdfkgdf
Answer:
90 degrees clockwise rotation
Step-by-step explanation:
Because
Pls help me I have a hour to turn this in.
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Answer:
i think its D not very sure but i think its D
The answers for fall math test 8th grade
Answers
Answer:
ok
Step-by-step explanation:
Okay
Explanation:
help me with this for geometry please
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Answer:
57 units
Step-by-step explanation:
So the step is we need to find out the scale factor
And the scale factor is 24/8 =3
So the parameter of ANG is
19×3
=57
14 dollars to 10 dollars, What's the percent of change?
Answers
the change is 28.57% decrease
Answer:
The answer is 28.57% decrease
Step-by-step explanation:
I got it right during math class
What kind of triangle is this?
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Answer:
Obtuse
Step-by-step explanation:
Hope this helps you :)
Obtuse
Hope this helps (:
Solve the inequality 0 > 4x - 1 with step by step explanation please
Answers
Answer:
[tex]x < \frac{1}{4} [/tex]
Step-by-step explanation:
0 > 4x-1
0+1 > 4x-1+1 (rid -1)
1>4x change side for easier solution
; 4x<1 change side = change mark
x < ¼
hope it helps ☺️
Put the following equation of a line into slope-intercept form, simplifying all
fractions.
8x – 6y = 54
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Hiiiiiiiiii
Find the product. Enter the product in simplest form. 8 x 1/3 =
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8x1/3 is in the simplest form. 8x1/3=7 3/3x1/3=8 3/9. 8 3/9=8 1/3.
Simplest Form: 8 1/3
A pitcher could hold 1/2 of a gallon of water. If Sam filled up 8 pitchers, how much water would he have?
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Answer:
4 gallons
Step-by-step explanation:
just do 8 times 1/2 because 8 is the amount of pitchers filled but one pitcher is only half.
If £23 = 500rubles, how many £ are in 616 rubles? Give your answer to 2 dp.
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Answer:
28.34
Step-by-step explanation:
821.8 divided by 4
pls help i have so many missing assignments
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Answer:
205.45ㅤㅤㅤㅤㅤㅤㅤㅤ
Answer:205.45
Step-by-step explanation:
821.8 / 4 = 205.45
Which angle has its terminal side on the negative x axis? Pls answer soon
Answers
Answer:
d-pi radians
Step-by-step explanation:
Answer:
Pi- radiants
Step-by-step explanation:
right rectangular prism has a square base with sides that are 7 meters in length. The height of the prism is 15 meters. Find the volume of the prism in cubic meters.
Answers
Answer:
The volume of the prism V = 735 cubic meters
Step-by-step explanation:
Explanation:-
Given that length of the rectangular prism(l) = 7 m
and also the width of the rectangular prism(w) = 7 m
The height of the rectangular prism = 15 m
The volume of the prism
V = l× w × h
V = 7 × 7× 15
V = 735 cubic meters
The volume of the prism V = 735 cubic meters
Christina used 1 5/8cups of shampoo to wash her hair 13 days. How many cups of shampoo did she use to wash her hair 1 day?
Answers
Answer:
0.125 cups
Step-by-step explanation:
Hi! When we have these types of questions we always think about how to solve them first. It cannot be subtraction or addition. It cannot be multiplication, so its division! Divide 1 5/8 into 13 and you get 0.125 cups.
Hope this helps!