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S_A_V [24]
3 years ago
5

I need help with this question.

Mathematics
1 answer:
Papessa [141]3 years ago
5 0

Answer:

It's A, c =2.5d

Step-by-step explanation:

When it comes to problems like this, I usually look through the answers and try to plug in the numbers until I get the right equation that fits with the graph.

2.5(5) = 12.5

2.5(10)= 25

2.5(15)= 37.5

2.5(20) = 50

2.5(25) = 62.5

If you compare this to the graph, you'll notice the solutions are the same as the Total Cost (c). That's because c= 2.5d is the right equation for this graph. (Sorry if my explanation is confusing)

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Jimmy runs 2 miles monday 1.2 miles tuesday and 4.75 miles on friday.what is the total number of miles jimmy ran for three days?
ad-work [718]
Sent a picture of the solution to the problem (s).

6 0
3 years ago
Can someone please help me with this?!
Alinara [238K]

Answer: y=\frac{1}{4}x-3


Step-by-step explanation:

- The equation of the line in the slope intercept form is: y=mx+b

Where m is the slope and b is the y-intercept of the line

- Let's choose two points of the line: (8,-1) and (-4,-4).

- You must calculate the slope of the line as following:

m=\frac{y_2-y_1}{x_2-x_1}=\frac{-4-(-1)}{-4-8}=\frac{1}{4}

- As you can see in the graph attached, the line intersects the y-axis at -3, then b=-3.

- Substituting values into the equation of the line, you obtain:

y=\frac{1}{4}x-3


3 0
3 years ago
4,357.25 rounded two decimal places
Amiraneli [1.4K]

Answer:

4357.25

Step-by-step explanation:

Given the following question:

4357.25
4357.250
0
=4357.25

The following number is already rounded two decimal places which means the answer is "4357.25."

In case you meant one decimal place....

4357.25
5=5
=4357.3

Hope this helps.

3 0
2 years ago
1.the ratio if the weight of an object on mars to its weight in earth is 9 to 25.If a person weighs 120pouns on earth,how much w
Ilya [14]
Question #1
\frac{9}{25}=\frac{x}{120}\\\\120(9) = 25x\\\\1080 = 25x\\\\x= 43.2

For #1, the answer is 43.2

Question #2
\frac{6}{5} = \frac{2580}{x} \\\\2580(5) = 6x\\\\12900 = 6x\\\\x = 2150

For #2, the answer is 2150
8 0
3 years ago
What is 3x+4x-7=8-3x+11<br> need step by step explanation
Nadya [2.5K]

Answer:

exact form: 13/5

Decimal form: 2.6

x= 2 3/5

Step-by-step explanation:

3x+4x-7=8-3x+11

7x-7=8-3+11

7x-19-3x

7x-7 + 7 =-3x+19+7

7x=-3+26

10x=26

x= 13/5

6 0
3 years ago
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