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vredina [299]
3 years ago
6

Eric measured the height of a window frame as 5.43 feet, but the actual height was 6 feet. What is the percentage of error in Er

ic's measurement?
9.50%
10.52%
11.28%
12.43%
Mathematics
2 answers:
Nataliya [291]3 years ago
6 0

Answer:

9.5%

Step-by-step explanation:

ivolga24 [154]3 years ago
5 0
To find percent error it's the absolute value of
Actual-Experimental divided by The actual times 100
1) 6-5.43
2) 0.57/6
3) 0.095x100
4)9.5%
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Find the smaller root for x^2 -9 =-5
Charra [1.4K]
X^2-9=-5
x^2-4=0
(x+2)(x-2)=0 [Difference of Two Squares]
x=-2,2
-2 is the smaller root.
6 0
3 years ago
50 POINT QUESTION
LenKa [72]

Answer:

0.04 or 4%

Step-by-step explanation:

point estimate of proportion:

(0.6+0.68)/2

1.28/2

0.64

Margin of error:

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0.04×100 = 4%

7 0
3 years ago
two lines intersect.One has gradient 4 and y-axis intercept 3. The other has gradient 6 and cuts the y-axis at (0,1). What is th
timurjin [86]

Answer:

(1, 7 )

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Then the equations of the 2 lines are

y = 4x + 3 → (1)

y = 6x + 1 → (2)

Substitute y = 6x + 1 into (1)

6x + 1 = 4x + 3 ( subtract 4x from both sides )

2x + 1 = 3 ( subtract 1 from both sides )

2x = 2 ( divide both sides by 2 )

x = 1

Substitute x = 1 into either of the 2 equations for corresponding value of y

Substituting into (1)

y = 4(1) + 3 = 4 + 3 = 7

Point of intersection = (1, 7 )

5 0
3 years ago
María drinks 400 ml of water every hour. How many hours will it take her to drink 2 L of water?
JulijaS [17]

Hello,

The correct answer is 5 Liters.

2 Liters of water = 2000 Milliliters.

If she drinks 400 Milliliters per hour, then you do 2000 ÷ 400 to work out the number of hours.

2000 ÷ 400 = 5

Hope this helps!!!! :)

5 0
3 years ago
What type of number is -7.89? Select all that apply
kodGreya [7K]
The answer to this question is INTEGER
6 0
3 years ago
Read 2 more answers
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