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irina1246 [14]
2 years ago
9

You estimate that a piglet weighs 9 pounds. The actual weight of the piglet is 11 pounds. Find the percent error. Round your ans

wer to the nearest hundredth of a percent. PLEASE ANSWER
Mathematics
1 answer:
Alexandra [31]2 years ago
3 0
The percent error is calculated like by subtracting the actual amount from the estimated amount, dividing by the actual amount, taking the absolute value of this number, and multiplying by 100:

|\frac{estimated -actual}{actual} |*100

Plug in the values:

|\frac{9-11}{11} |*100= \\ \\ | \frac{-2}{11} |*100 $\approx$ \\ \\ \(\lvert -0.1818\rvert\) *100= \\ \\ 0.1818*100=18.18\%

The percent error should be ~18.18%.
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All vertical and horizontal cross sections of any one cube are all the same size and shape. What about vertical and horizontal c
svetlana [45]
Horizontal cross sections are the same shape: they are all squares if the pyramid is square or rectangles if the pyramid is a rectangle pyramid.
Vertical cross sections are different shape: At the pyramid top they are triangles, at other places they have four sides.

Horizontal cross sections are different size: the more we go to the top of the pyramind, the smaller they get.
Vertical cross sections are different size: the closer we get to the edges, the smaller they become.
8 0
3 years ago
WORTH ALL MY POINTS PLEASE HELP
kari74 [83]

9514 1404 393

Answer:

  (a)  = 7 +3·5

Step-by-step explanation:

The given expression evaluates to ...

  6 +2^4 = 6 +16 = 22

The offered choices evaluate to ...

  7 +3·5 = 7 +15 = 22

  4·10^3 +96 = 4·1000 +96 = 4096

  7^2 = 49

  3·10 +2 = 30 +2 = 32

The only choice that will form a proper equation is the expression that evaluates to 22:

  6 +2^4 = 7 +3·5

4 0
2 years ago
Helpp?? Please im very lost & need help with it
sukhopar [10]

This is a typical algebra problem pretending to be geometry.  The two indicated angles are supplementary, adding to 180 degrees, precisely when the lines are parallel.

It's not really indicated, but the 8 and the 2 are in units of degrees.

6x + 8 + 4x + 2 = 180

10x = 170

x = 17 degrees


8 0
3 years ago
4
Natali [406]

The ratio of the area of ∆ABC to the area of ∆DEF is; 1:100.

<h3>What is the ratio of the area of ∆ABC to the area of ∆DEF?</h3>

Since, a major criterion for similarity and congruence of triangles is that the ratio of corresponding sides are equal.

On this note, since the task content suggest that the ratio of the perimeters is; 1:10, it follows from conventional mathematics that the ratio of their areas is given as; 1²:10²; 1:100.

Read more on congruent triangles;

brainly.com/question/9217675

#SPJ1

8 0
1 year ago
I can't find the value of Y​
Lubov Fominskaja [6]

114 = 19y

This is true because they are vertical angles. Now, let's divide both sides by 19

6 = y

5 0
2 years ago
Read 2 more answers
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