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RoseWind [281]
2 years ago
9

The Honor Society held a canned goods drive. They ran great advertising campaigns and collections increased. The following table

represents collections
------------------|--------------------
Day Cans Collected
------------------|---------------------
1 | 15
------------------|---------------------
2 | 20
----------------------------------------
3 | 25
----------------------------------------
4 | 30
----------------------------------------
5 | 35
----------------------------------------
6 | 40



1. The rate of change is?
a)5
b)15
c)25

2. The rate of change represents?
a) The difference in the number of cans from day 1 to day 6
b) The number of days cans collected
c)the number of cans collected per day
Mathematics
2 answers:
OLEGan [10]2 years ago
4 0
#1) The correct answer is A) 5.
#2) The correct answer is C) the number of cans collected per day.

We find the rate of change by finding the change int he outputs, the change in the inputs, and writing it as output/input:

(20-15)/(2-1) = 5/1 = 5

The rate of change tells us how many cans (on average) per day were collected.
hichkok12 [17]2 years ago
4 0

Answer:

#1) The correct answer is A) 5.

#2) The correct answer is C) the number of cans collected per day.

Step-by-step explanation:

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Answer:

4

Step-by-step explanation:

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2 years ago
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Mrs. Hernandez bought 18 pens for her class. Highlighters cost $3 each, and gel pens cost$2.50 each. She spent a total of $50. W
scoray [572]
18*2.50=45
50-45=5
highlighters cost $3 so she only bought 1 highlighter.
5-3=2
45+3=48
(18*2.50)+(1*3)=$48
(The last 2 dollars are probably tax)
8 0
2 years ago
A jewelry artist is selling necklaces at an art fair. It costs $135 to rent a booth at the fair. The cost of materials for each
mash [69]

Answer: No

Step-by-step explanation:

$12-$4.50= $7.50

$7.50*15= $112.50

The Total cost is $135 She will only be making $112.50 in profits.

3 0
1 year ago
A waste management company is designing a rectangular construction dumpster that will be twice as long as it is wide and must ho
photoshop1234 [79]

Answer:

The dimensions that minimize the surface are:

Wide: 1.65 yd

Long: 3.30 yd

Height: 2.20 yd

Step-by-step explanation:

We have a rectangular base, that its twice as long as it is wide.

It must hold 12 yd^3 of debris.

We have to minimize the surface area, subjet to the restriction of volume (12 yd^3).

The surface is equal to:

S=2(w*h+w*2w+2wh)=2(3wh+2w^2)

The volume restriction is:

V=w*2w*h=2w^2h=12\\\\h=\frac{6}{w^2}

If we replace h in the surface equation, we have:

S=2(3wh+2w^2)=6w(\frac{6}{w^2})+4w^2=36w^{-1}+4w^2

To optimize, we derive and equal to zero:

dS/dw=36(-1)w^{-2} + 8w=0\\\\36w^{-2}=8w\\\\w^3=36/8=4.5\\\\w=\sqrt[3]{4.5} =1.65

Then, the height h is:

h=6/w^2=6/(1.65^2)=6/2.7225=2.2

The dimensions that minimize the surface are:

Wide: 1.65 yd

Long: 3.30 yd

Height: 2.20 yd

8 0
2 years ago
Robert makes $951 gross income per week and keeps $762 of it after tax withholding. How many allowances has Robert claimed? For
MAXImum [283]

Answer:

Option D,four is correct

Step-by-step explanation:

The tax withholding from the gross income of $951 is the gross income itself minus the income after tax withholding i.e $189  ($951-$762)

The percentage of the withholding =189/951=20% approximately

Going by the multiple  choices provided,option with 4,189 dollars seems to the correct option as that is the exact of the tax withholding on Robert's gross income and his earnings fall in between $950 and $960

4 0
2 years ago
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