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marshall27 [118]
3 years ago
6

Students in a school were asked to collect old bottles as part of a recycling drive. Some of the data recorded at the drive is s

hown in the histogram below:
Which information is not provided in the histogram?

A.The number of students who collected exactly 2 bottles
B.The total number of students who collected bottles
D.The number of students who collected 4 or more bottles
C.The total number of students who collected 8 or more bottles

Mathematics
2 answers:
daser333 [38]3 years ago
6 0

Answer:

A. The number of students who collected exactly 2 bottles

Step-by-step explanation:

Vertical axis is number of students and horizontal axis is number of bottles collected. Histograms represent data in bars, we can find the total number of students who collected bottles by reading the vertical axis. The number of students who collected bottles more than 4 and 8 can be viewed from the vertical axis because the ranges in horizontal axis are between 4-7 and 8-11.

The range on the horizontal axis is 0 to 3, we cannot tell how many students collected the exact number of bottles.

The correct option would be the number of students who collected exactly 2 bottles.

Len [333]3 years ago
5 0

Answer:

A. The number of students who collected exactly 2 bottles.

Step-by-step explanation: I got this question on my test, and the answer was A.

100% verified! :D

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3 years ago
A vendor sells hot dogs, bags of potato chips, and soft drinks. A customer buys 4 hot dogs, 3 bags of potato chips, and 4 soft d
makkiz [27]

Hi, Siyasi2 ! Let x = the number of hot dogs, y = the number of chips, and z = the number of drinks. Then we know:

 

5x + 4y + 5z = 15.75

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z = 2x - 1

 

Let's substitute the 3rd equation into the first one.  

 

5x + 4y + 5(2x - 1) = 15.75

5x + 4y+ 10x - 5 = 15.75

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Now, let's re-write the 2nd equation as x - y = 0.75

 

We now have a system of two equations with two unknowns.

 

15x + 4y = 20.75

x - y = 0.75

 

To solve this, we can multiply the bottom equation by 4 and add.

 

15x + 4y = 20.75

+ 4(x - y = 0.75)

 

19x = 23.75

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If x = 1.25, then using the one of the equations above, we can solve for y.

x - y = 1.25 - y = 0.75

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Since z = 2x - 1, then z = 2(1.25) - 1 = 2.5 - 1 = 1.50

 

So, a hot dog is $1.25, chips are 50 cents, and a soft drink is $1.50. Please let me know if you have any questions.

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The proper format for this equation y-1/6x+9 is y = (-1/6)x+9.

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3 years ago
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