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gavmur [86]
3 years ago
5

Previous

Mathematics
1 answer:
o-na [289]3 years ago
5 0
Total weight of the 8 backpacks = 8 x 14 = 112 pounds

Total weight of the 12 backpacks = 12 x 9 = 108 pounds

Total weight of all the 20 backpacks = 220 pounds

Mean weight of the 20 backpacks = 220 ÷ 20 = 11 pounds

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Answer: The mean weight of the 20 backpacks is 11 pounds
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Need some help someone please?
zlopas [31]
I am pretty sure that the answer is 15+ n or it could be 15n
8 0
3 years ago
Read 2 more answers
A box contains 4 oranges, 9 apples, and 3 pears. Liliana selects a piece of fruit from the box at random. What is the probabilit
valina [46]
Hello!

You first find out how many objects there are in total


4 + 9 + 3 = 16

Then you find the probability of Liliana picking a orange

Since there are 4 oranges and 16 things to pick she has a 4/16 chance of getting an orange

Next you find the probability of Liliana picking a pear

There are 3 pears and 16 items to pick so she has a 3/16 chance

Then you add them together to find the chance of either happening

4/16 + 3/16 = 7/16

So she has a 7 out of 16 chance of getting an orange or a pear

The answer is 7/16

Hope this helps!
3 0
3 years ago
Which of the following points lies on the graph of the inverse of f(x) = 6^(x + 1)?
svetlana [45]
F ( x ) = 6^(x+1)
y = 6^(x+1)
x+1=log _{6}y \\ x = log _{6}y-1
The inverse is:
y = log _{6}x
And when you plug in the values: x = 1, y = - 1:
- 1 = log 1 - 1
- 1 = 0 - 1
 - 1 = - 1
so the answer is:
( 1, - 1 )



8 0
3 years ago
Peter spent 3/5 of his money and was left with $60. 1. How much money did he have at first2. Express what he remained with as a
german

60 / 2 = 30

30 * 5 = 150

he had $150 at first

60, the amount he was left with was 2/5 or 40% of his original amount

4 0
2 years ago
What does the A equal to in a + (-7) = 3
Korolek [52]
A = 10

Step by step

3+7=10
10+(-7)=3
7 0
3 years ago
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