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Marianna [84]
3 years ago
10

What would the adverage be of 12 and 13 if thats possible to find one?

Mathematics
1 answer:
lisov135 [29]3 years ago
7 0

Answer: 12.5

Step-by-step explanation:

To find an average add up all of the values and divide by how many there are so to do this we add 12+13 to get 25 and there are 2 values so we divide by 2 to get 12.5

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Solve by substitution <br><br> 4x+2y=10<br> x-y=13
Savatey [412]
<span>4x+2y=10
x-y=13

x=13+y
4(13+y)+2y=10
52+4y+2y=10
52+6y=10
6y=-42
y=-7
x=13+y=13-7=6

</span>
8 0
3 years ago
Read 2 more answers
3. Lonnie has a gift card worth $600 for a local entertainment store. Movies cost $20 each and newly released video games cost $
Mandarinka [93]

Answer:

8 movies and 6 video games

<em></em>

Step-by-step explanation:

Given

Gift\ Card = \$600

Movies =\ $20

Video\ Game = \$50

Minimum\ Items = 13

Required

Determine the items Lonnie can afford

To solve this question, we make use of trial by error method by taking the options one at a time:

Option 1: 6 movies and 4 video games

<em>This option can not be considered because the number of items is not up to the minimum Lonnte must purchase.</em>

<em />

Option 2: 14 movies and 7 video games

Cost = 14 * \$20 + 7 * \$50

Cost = \$280 + \$350

Cost = \$630

<em>This option can not be considered because the cost of purchase is greater than Lonnte's worth of Gift card.</em>

<em />

Option 3: 2 movies and 10 video games

<em>This option can not be considered because the number of items is not up to the minimum Lonnte must purchase.</em>

<em />

Option 4: 8 movies and 6 video games

Cost = 8 * \$20 + 6 * \$50

Cost = \$160 + \$300

Cost = \$460

Hence, the correct option is <em>8 movies and 6 video games </em>

4 0
3 years ago
Any help would be great
zhannawk [14.2K]

Answer:

V = 137.2

Step-by-step explanation:

We are given the volume equation. Simply plug in your <em>r</em> into the equation and calculate and you should get 137.189 as your answer.

7 0
3 years ago
Can someone pls help me
MAVERICK [17]
Standard deviation I think
6 0
3 years ago
2 5/8 times 1 1/7 equals
Alex17521 [72]
168/56 or 3. 21/8 times 8/7 equals 168 over 56. Also can be 3
6 0
3 years ago
Read 2 more answers
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