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hodyreva [135]
2 years ago
8

Jenny is comparing the cost of two packages of socks. One package has 8 pairs of socks for $12. Another package has 3 pairs of s

ocks for $6. Do the rates form a proportion?
Mathematics
2 answers:
nydimaria [60]2 years ago
5 0
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andrezito [222]2 years ago
4 0

Answer:

they form proportions, but the proportions are not the same

Step-by-step explanation:

the 8 for 12 deal = $1.50/pair

the 3 for 6 deal = $2/pair

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To my knowledge, the answer should be there is no difference since I found the sum, however the answer is something else,
olga nikolaevna [1]
In the first series, the summation applies to the whole (2n+3) inside
the parentheses, so the 3 gets summed up 5 times.

But in the second one, the summation only applies to the 2n , so
the 3 is only added after the summation is finished.

The difference between five 3s the first time and one 3 the second time
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5 0
3 years ago
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Lesson Posttest
stepladder [879]

Answer:

1

Step-by-step explanation:

Probability = number of fruit type/total number of fruit. Total number of fruit = 5 + 9 + 5 = 19.

The probability of drawing an apple is P(apple) = number of apples/total number of fruit = 5/19.

The probability of drawing a peach is P(peach) = number of peaches/total number of fruit = 9/19

The probability of drawing an apple is P(orange) = number of oranges/total number of fruit = 5/19

The probability of drawing either an apple, peach or orange at the first draw of fruit from the bag is

P(apple or peach or orange) =  P(apple) + P(peach) + P(orange)

                                               = 5/19 + 9/19 + 5/19

                                               = (5 + 9 + 5)/19

                                               = 19/19

                                               = 1

3 0
3 years ago
How many of each angles are in a pentagon
Illusion [34]

There are 108 degrees in each interior angle of a regular pentagon .


I hope that's help !

8 0
3 years ago
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Simplify <br> -4x+2x2-x2+5-3x
Serga [27]

Answer:

9 - 7x - x²

Step-by-step explanation:

-4x+2x2-x²+5-3x = -4x-3x+2x2+5-x²

I arranged the like terms together so it is easier to do the calculations.

-4x-3x+2x2+5-x² = -7x+4+5-x²

Simplify.

-7x+4+5-x² = 9-7x-x²

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2 years ago
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What is 2 + -5 - -13
rosijanka [135]

Answer:

10.

The answer is 10.

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3 years ago
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