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Alchen [17]
3 years ago
15

Can someone please help me? :) Math, 8th grade, K12

Mathematics
1 answer:
Aneli [31]3 years ago
5 0

Answer:

The first graph does NOT represent a function because it fails the vertical line test.  

Step-by-step explanation:

If you draw a vertical line through this graph, for x > 0, the line will intersect the graph in more than one place.  That tells you immediately that this graph does snot represent a function.

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The population of cats in a rural neighborhood has declined in the last year by roughly 30%. Residents hypothesize that this is
zvonat [6]

Answer:

Orinal number of cats=  171

Step-by-step explanation:

Giving the following information:

Decrease in population= 30%

Current population= 120

<u>To calculate the original number of cats, we need to use the following formula:</u>

Orinal number of cats= current population / (1 - decrease)

Orinal number of cats= 120 / (1 - 0.3)

Orinal number of cats=  171

8 0
3 years ago
During an experiment, Mrs. Melsoner uses an analytical scale to measure the mass of a substance. The analytical scale says she h
stich3 [128]

Answer:

hii there

The correct answer is ( D )

hope it helps you

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7 0
3 years ago
In a school of 500 students, 160 have blue eyes, 320 have brown eyes and 20 have green eyes. In a class of 25 students how many
Bas_tet [7]
160/500= 80/250 16/50 8/25

Around 32 percent
6 0
3 years ago
What is the equation of the line shown in this graph? ​
navik [9.2K]

Answer:

x=-2

Step-by-step explanation:

Since it's a vertical line the answer is going to be x= which ever number the line is on. In this case x=-2

7 0
2 years ago
What is the median of the data set: {24, 31, 12, 38, 12, 15}A)12B)19.5C)24D)23.5
QveST [7]

Answer: B: 19.5

Step-by-step explanation:

This data set is an even data set meaning that you're going to have to add and divide, so you put your data set in ascending order (highest # to lowest #) so 12,12,15,24,31,38 its an even data set so you're going to put them in groups (remember your finding the median, the middle numbers) so you have 12,12 (one group) and 31,38 (another group) (basically make it even!!) so now you're left with the middle numbers, you have to add them and then divide them by 2 so (15+24) ÷2 and you get your answer !!

6 0
2 years ago
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