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shutvik [7]
3 years ago
11

I will give 50 pts, please answer, im so sad and need help

Mathematics
2 answers:
arlik [135]3 years ago
8 0

Answer:

b. (-4/3)

Step-by-step explanation:

the average rate of change in the interval is the slope

(-1,4)  (2,0)

slope = (y2-y1)/(x2-x1)

slope = (0-4)/(2--1)

slope = (-4)/(2+1)

slope = (-4/3

Afina-wow [57]3 years ago
5 0

Answer:


First, you want to solve for the equation for this problem, would be: 

0.05N + 0.10D = 20.50 

While N = The amount of nickels, and D = The amount of dimes. 


Since N = 164, and D = 123. It would add up to 287 coins. 164 + 123 = 287. 

Now that you have the number for those two variables, solve the equation for when N = 164, and D = 123. 

0.05N + 0.10D = 20.50 

0.05(164) + 0.10(123) = 20.50 

8.2 + 12.3 = 20.50 

20.50 = 20.50 

So, there is 164 nickels, and 123 dimes for your answer. 


I hope this helps! 


Step-by-step explanation:


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Triss [41]

Answer:

x=23, y=157

Step-by-step explanation:

23 and x are on equalivent sides of the rhombus so they are equal. To solve for y you have to multiple 23 by 2. Getting 46 you subtract that from 360 to get 314. Dividing 314/2 you get 157.

5 0
2 years ago
Read 2 more answers
Need help with these two questions please
lisabon 2012 [21]
You can figure out the answer by doing this:

8% = 2300/x 

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4 0
2 years ago
The temperature changed from 7°F at 6 p.M to -5°F at midnight. What was the difference between the high and low temperatures? Wh
IgorC [24]

Answer:

12 °F

2°F per hour

Step-by-step explanation:

The difference can be found by substracting:

7°F-( -5 °F)

=12 °F

To find the average change in temperature per hour, divide by how many hours between 6 to midnight. Between 6 to midnight is 6 hours.

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3 years ago
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Yuki888 [10]
I think it is 3 good luck me saying this then u getting the wrong answer
3 0
2 years ago
Help me pls.
salantis [7]

Answer:

1. 424

2.471

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Step-by-step explanation:

1. 10×12+8×10+8×13+8×15

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2. 5×24+9×24+9×15+9×15

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