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saveliy_v [14]
3 years ago
6

Martha estimated there were 91 marbles in a jar for a contest. The actual number of marbles in the jar was 113. What was the per

cent error of Martha's estimation?
A. 24.18%
B. 80.53%
C. 22%
D. 19.47%
Mathematics
2 answers:
lisabon 2012 [21]3 years ago
5 0

Answer:

D. 19.47

Step-by-step explanation:

91/113 = 80.53

100.00-80.53 = 19.47

babymother [125]3 years ago
4 0

Answer:

19.47% to the nearest hundredth.

Step-by-step explanation:

Value of the error = 113 - 91 = 22.

Percent error = (22/113) * 100

= 19.47.

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I'd say it's x + 1 < 17.
Because the operator should be included as a person as well.
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3 years ago
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Help me pls this one is hard
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Answer:

2-120

4-240

7-420

Step-by-step explanation:

<em>there are 60 people in each tour group so you multiply 60 by the number of tour groups.</em>

ordered pairs:

<em>(2,120)</em>

<em>(4,240)</em>

<em>(7,420)</em>

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3 years ago
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What is the value of p?<br><br> A. 133<br> B. 43<br> C. 47<br> D. 90
vova2212 [387]
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7 0
3 years ago
Please help with this
ioda

Answer:

Some have multiple choices. See below for additional comments.

  • a) iii
  • b) i
  • c) v
  • d) ii
  • e) iv

Step-by-step explanation:

i -- slope-intercept form. Shows the slope and the y-intercept

ii -- slope-intercept form. Shows the slope and the x-intercept

iii -- intercept form. Shows both the x- and y-intercepts

iv -- standard form.

v -- point-slope form. Shows the slope and one point on the line.

vi -- another point-slope form. Shows the slope and one point on the line

__

With the above forms in mind, ...

a) both intercepts are best shown in form iii

b) the slope is shown in forms i, ii, v, vi. Form i is the most uncluttered.

c) points are shown in forms v and vi. Form v may be least confusing.

d) the sign can be readily determined in form ii.

e) testing the given point is easily done using forms ii and iv. Form iv may be the best for this.

_____

<em>Additional comments</em>

Since each of these forms of the equation has utility in different situations, it can be worthwhile to learn the different forms. For example, I like the standard form for making perpendicular lines, though any of the "slope-" forms can be useful for that, too. The useful form to start with will be the one that best relates to the information given. (For two points given, there is a "2-point form" not shown here.)

6 0
3 years ago
HELP MEH NOW PLZ :_(
bulgar [2K]

Answer: hey sup fellow player

Step-by-step explanation: how’s life eh?

5 0
2 years ago
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