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Step2247 [10]
3 years ago
8

David measured the distance from his house to a soccer field as 3 km. The actual distance from his house to the soccer field is

2.84 km.
Solve for the approximate percent error in David’s measurement. Round to the nearest tenth of a percent, if necessary. A. 0.16% B. 5.3% C. 5.6% D. 16%
Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
3 0
The percentage error is given by:
(error/actual value) x 100
= [(3-2.84)/2.84] x 100
= 5.6%
The answer is C
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Solve for x in each parallelogram. Do NOT include units (degrees, inches, feet, etc).
NemiM [27]

Answer:

x = 2

Step-by-step explanation:

As we can see that the diagonals bisects so

LN = 20

UN = 20 /2 = 10

So Now

UN = 5x

10 = 5x

x = 10 / 5

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7 0
4 years ago
What is the y-coordinate of the solution for the system of equations? x−y=−11 y+7=−2x
ICE Princess25 [194]

Answer:

y= 5

Step-by-step explanation:

Given the system of equations:

x-y=-11

y+7=-2x

In order to find the y coordinate of the solution we must first find the solution to this system of equations. We first start by solving one of the given equations and then substitute the answer of that into the second equation and further solve to get the final answers.

x=y=-11

y+7=-2x

y+7=-2x

+ -7

y = -2x - 7

x - y = -11

y = -2x-7

x-(-2x-7)=-11

x--2x=x+2x=3x

3x+7=-11

-7

-11+-7=-18

3x=-18

\div3

-18\div3=-6

x=-6

y=-2x-7

y=(-2)(-6)-7

-2\times-6=12-7=5

y=5

Hope this helps.

7 0
2 years ago
A cylinder. The diameter of the base is 5 feet and the height of the cylinder is 12 feet.
MaRussiya [10]

Answer:

235.5 ft³

Step-by-step explanation:

V = Ab×h

= πr²×h

= π(2.5)²×12

= 3.14×6.25×12

= 235.5 ft³

6 0
3 years ago
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timurjin [86]

Answer:

$13,629.44

Step-by-step explanation:

Value of car after 3 years is:

V = $20,000(1.00-0.12)^3, or

      $20,000(0.88)^3 = $13,629.44

5 0
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olya-2409 [2.1K]
She can make 8 bags I️ think not sure thi
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4 years ago
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