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valkas [14]
3 years ago
11

Can I get some help on 3-5 please I don't understand how to do this :']

Mathematics
1 answer:
elena-s [515]3 years ago
7 0
The equation on number 3 is showing that Henry hikes 0.5 miles per hour, with x = number of hours. The graph shows that Clark hikes 15 miles in 10 hours, or 1.5 miles per hour. Clark is faster because of the reasons listed above.

Problem 4 is strange because it has a different value from x = 1 to x = 4 than it does for x = 5 and above, but my best guess would be a piecewise function:
If x < or equal to 4, 15x. If x > 4, 10 × (x - 4) + 60.

Problem 5 is much simpler: because x goes up 16 every time y goes up 6, 6/16 × x or (6/16)x.
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Mary was asked to find the slope of the line 3x - 4y = 12. She says the answer is 3/4
Vinvika [58]

The correct answer is D. Choose two points on the graph and count the rise and the run between them. Graph D is the only one that also has a slope of  3/4 .

7 0
3 years ago
$ 600 at 5 % for 2 years
Anarel [89]

Answer:

interest = $60

Step-by-step explanation:

use the formula i = prt

p = $600

r = 5%

t = 2 years

7 0
3 years ago
Read 2 more answers
Solve the system by substitution.
Iteru [2.4K]

Answer:

I gave you most of the answer. I'll let you check my work and find the point using the solution.

Step-by-step explanation:

The first thing we do is we divide by negative one in the first equation to get

y = -x.

-3x + 3y = -36

Plug in y = -x and get

-3x + 3(-x) = -36

= -3x - 3x = -36

This equals -6x = -36

divide both sides by -6 and you get 6. 6 is your x value

Plug 6 back in to the second equation.

-3x + 3y = -36

-3(6) + 3y = -36

-18 + 3y = -36

3y = -18

y = -6

3 0
2 years ago
A store buys a jacket for $20.00 and then sells it to customers for 80% more than that. What is the selling price of the jacket?
Licemer1 [7]

Answer:

B

Step-by-step explanation:

because 80 percent of 20 dollars is 16 dollars meaning they are selling the jacket for 16 dollars more than the original price. 16+20 is 36 dollars.

3 0
2 years ago
What is 1/9 - 3 ^2/3
lorasvet [3.4K]

-2.88888888889

that is ur answer

5 0
3 years ago
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