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Akimi4 [234]
3 years ago
13

Martha estimated there were 92 marbles in a jar for a contest. The actual number of marbles in the jar was 114. What was the per

cent error of Martha's estimation?​
Mathematics
2 answers:
WARRIOR [948]3 years ago
7 0

Answer:

19%

Step-by-step explanation:

1-92/114

(sorry if im wrong)

Novay_Z [31]3 years ago
3 0

Answer:

I think that is 22%

Step-by-step explanation:

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Please help I’m stuck on this question!!
tatyana61 [14]

Answer:

says of the week

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x side or bottom of graph is independent variable

y side of left part of the graph is dependent variable

7 0
3 years ago
The following linear equation represents the line of best fit for the following scatter plot
Lynna [10]

Answer:

C) About 243 hits

General Formulas and Concepts:

<u>Pre-Algebra </u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

Step-by-step explanation:

<u>Step 1: Define </u>

y = home runs

x = hits

[Best Line of Fit] y = 0.15x - 1.5

<em>We can use this to predict the average of the scatter plot. </em>

home runs = y = 35

<u>Step 2: Solve for </u><em><u>x</u></em><u> hits</u>

  1. Substitute [BLF]:                    35 = 0.15x - 1.5
  2. Add 1.5 on both sides:          36.5 = 0.15x
  3. Divide 0.15 on both sides:    243.333 = x
  4. Rewrite:                                  x = 243.333

Remember that this is a <em>prediction</em>. According to the best line of fit, we would need approximately ~243 to get 35 home runs.

6 0
2 years ago
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