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Nikitich [7]
3 years ago
13

I don't understand how to do this. Can I please have some help?

Mathematics
1 answer:
Reika [66]3 years ago
4 0

Answer:

Step-by-step explanation:

Kool

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Does anyone understand how to do this? If you do can you explain how I solve it and receive the answer?
UNO [17]

Answer:

slope-intercept form equation: y = x + 5

Step-by-step explanation:

you take the 2 y's, 18 and -13, then you subtract them: 18 - (-13) = 31

then you take the 2 x's, 13 and -18, subtract them too: 13 - (-18) = 31

divide those 2 sums: 31/31  = 1

so the slope is 1

then when you graph it you get an y-intercept of 5

so the equation is y = x + 5

hope this helps :)

6 0
3 years ago
If 40 people shake hands with each person in the class, how many handshakes
AfilCa [17]
780 handshakes.
(n(n-1))/2
(40(40-1))/2
(40*39)/2
1560/2
780
3 0
3 years ago
A bank loaned out $33,500, part of it at the rate of 12% annual interest, and the rest at 14% annual interest. The total interes
algol13

Answer:

  • $17,500 at 14%
  • $16,000 at 12%

Step-by-step explanation:

Let x represent the amount loaned at 14%. Then the total interest earned is ...

  0.14x +0.12(33,500 -x) = 4,370

  0.02x = 350 . . . . . . . . . . subtract 4020 and simplify

  x = 17500 . . . . . . . . . divide by 0.02

The amount loaned at 12% is $33,500 -17,500 = $16,000.

  $17,500 was loaned at 14%

  $16,000 was loaned at 12%

3 0
3 years ago
A waiter's weekly salary can be modeled by the equation y = 0.2x + 300, where x is the amount spent by the customers in dollars
stich3 [128]

Answer:

C.

x=500$

y=0.2×500+300

y=100+300

y=400

I let 500$=x because they were spent by the customers

hope this helps you

have a great day :)

4 0
2 years ago
Read 2 more answers
Calculate the average rate of change for the graphed sequence from n = 2 to n = 6. (2 points)
Evgesh-ka [11]

Answer:

the answer is c- -3

Step-by-step explanation:

The formula is (14 - 2)/ (2-6)

6 0
3 years ago
Read 2 more answers
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