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malfutka [58]
2 years ago
7

Compare the rates to find which is greater. 50 envelopes for $2.49 or 90 envelopes for $5.50

Mathematics
1 answer:
Dmitry_Shevchenko [17]2 years ago
5 0
We describe this as cost per envelope which tells you the cost gets divided by the number of envelopes.

$2.49/50 = 0.0498 cents per envelope

$5.50/90 = 0.0611 cents per envelope.

So the 90 for $5.50 costs more per envelope than the 50 for $2.49
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3 years ago
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nirvana33 [79]

Answer:

V = 115.3 ft³

Step-by-step explanation:

The left part of the figure shows a cube of side length 4.2 ft.  The volume of a cube is V = s³, where s is the side length.  Hence, the volume of this particular cube is V = (4.2 ft)³ = 74.088.

The volume of a pyramid is V = (1/3)(base area)(height).

Here V = (1/3)(4.2 ft)²(7 ft) = 41.16 ft³.

Summing up the two distinct areas, we get V = 41.16 ft³ + 74.088 ft³, or

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3 0
3 years ago
In a classroom of 33 students, the ratio of boys to girls is 3 : 8.
kirill [66]

Answer:

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Step-by-step explanation:

8 0
2 years ago
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Need help please on this one
OverLord2011 [107]

Answer:   3/2

==========================================================

Explanation:

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Those coordinates will be plugged into the slope formula below

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m = (4 - 1)/(2 - 0)

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Rewrite the following in the form log(c)<br> log(6)−log(3)
Genrish500 [490]
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Explanation:

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So,

log(6)-log(3) = log(6/3) = log(2)

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