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tankabanditka [31]
3 years ago
9

Over four evenings, Ms. Cross grades 6 papers, 8 papers, 9 papers, and 7 papers. She wants to grade an average of 9 papers a nig

ht. What would be a reasonable estimate of how many papers Ms. Cross must grade on the fifth day to reach that goal? 18 15 11 19​
Mathematics
1 answer:
dexar [7]3 years ago
5 0
Is this math for college or Highschool
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Can some one help me pleaseee
Effectus [21]

Answer:

Mean = \frac{367}{7} = 52. 42

Step-by-step explanation:

Mean = \frac{23 + 48 + 49+ 55+ 57+63+72}{7} = \frac{367}{7}

4 0
3 years ago
Read 2 more answers
HELP PLEASEEEEEEEEEEEEE
zhenek [66]

9514 1404 393

Answer:

  2 1/12 days

Step-by-step explanation:

Time is the ratio of distance to speed.

  (1200 mi)/(24 mi/h) × (1 day)/(24 h) = 25/12 day = 2 1/12 days

5 0
3 years ago
2 Points<br> Which of the following is(are) the solution(s) to . x+6 = 2x - 1?
seropon [69]

Answer:

x = 7

Step by step explanation:

<em>minus</em><em> </em><em>x</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em>

6 = x -1

<em>add</em><em> </em><em>1</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em>

<em>x</em><em> </em><em>=</em><em> </em><em>7</em>

7 0
3 years ago
Complete diagram fill in squares
mojhsa [17]
Area A Output: 2, 4, 6, 8
Perimeter P Output: 6, 8, 10, 12

Explanation: Just replace the x with the inputs and then solve.
6 0
3 years ago
Read 2 more answers
If you were solving a system of equations and you came to a statement like 1 = 3, what do you know about the solution to the sys
noname [10]
<h2>Key Ideas</h2>
  • Systems of equations

<h2>Solving the Question</h2>

When both sides of the equal sign are equal, there are infinite solutions.

When you are able to isolate the variable, there is only one solution.

When the equation states an untrue expression, there is no solution.

1=3 is an untrue fact. Therefore, there would be no solutions to the system.

<h2>Answer</h2>

There is no solution

5 0
2 years ago
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