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ehidna [41]
3 years ago
11

1. Jill had the following scores on quizzes. 1 quiz: 1 3 quizzes: 2 4 quizzes: 3

Mathematics
1 answer:
Irina-Kira [14]3 years ago
7 0
The mean score is 3.08.

There is 1 quiz with score 1, so 1 point; 3 quizzes with score 2 for 3*2 = 6 points; 4 quizzes with score 3 for 4*3 = 12 points; 4 quizzes with score 4 for 4*4 = 16 points; and 1 quiz with score 5 for 5 points.

This is a total of 1+6+12+16+5 = 40 points.

This is out of 1+3+4+4+1 = 13 quizzes.

40/13 = 3.08
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What is -13 1/4 + 4 and 3/4 in simplest form
Agata [3.3K]

Answer:

-8.5

This i believe is the simplisted form because it is in a decimal not a fraction

7 0
3 years ago
Read 2 more answers
- 22 - 7v = - 3(8V + 4)<br> Round to the nearest hundreth
Dmitriy789 [7]

Answer:

v = 0.58

Step-by-step explanation:

-22 - 7v = -3(8v + 4)

Expand -3(8v + 4)

3 * 8v - 3 * 4

Simplify -3 * 8v -3 * 4

= -24v - 12

-22 - 7v = -24v - 12

Add 22 to both sides

-7v = -24v +10

Add 24v to both sides

17v = 10

\frac{17v}{17} =\frac{10}{17}

v =\frac{10}{17}

v=0.58

5 0
3 years ago
Driving 25 miles total. Already driven 11 miles. What fraction of the way have we driven?
-BARSIC- [3]

Answer:25-11=14  so the fraction would be 11/25

Step-by-step explanation:

25-11=14

11/25 miles

7 0
3 years ago
Read 2 more answers
Perform the indicated operation. (-7) • (-5)<br> -12 <br> 35<br> 12<br> -35
Flauer [41]
Hi,


Equation:

- 7 \times  (- 5)

Multiplying two negatives equals a positive.

( - ) \times ( - ) = ( + )

Now equation looks like:

7 \times 5 = 35

Hope this helps.
r3t40
6 0
3 years ago
Read 2 more answers
Lin is shopping for a couch with her dad and hears him ask the salesperson, "How much is your commission?" The salesperson says
Volgvan

Answer:

$467.77

Step-by-step explanation:

CHECK THE COMPLETE QUESTION

Lin is shopping for a couch with her dad and heard him ask the salesperson “how much is your commission?” The salesperson says that her commission is 5 1/2% of the selling price. A.How much commission will the salesperson earn by selling a couch for $495?

B.How much money will the store get from the sale of the couch?

From the question, the commission of the salesperson is 5 1/2 % , we can convert to improper fraction as 11/5%, then we can convert to decimal by dividing the numerator by denominator which is 5.5% , we can convert from percentage by saying(5.5%/100)

= 0.055

A)How much commission will the salesperson earn by selling a couch for $495?

His Commission will be

(0.055 x $495 )

= $27.23

B.How much money will the store get from the sale of the couch?

Since we know this Commission as $27.23, then the amount the store get from sale will be

(difference between the commission and the selling price)

($495.00- $27.23)

= $467.77

5 0
2 years ago
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