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Sophie [7]
3 years ago
12

Don't get it ? I need help from someone

Mathematics
1 answer:
inysia [295]3 years ago
6 0
(1,4)(2,8)
slope = 4/1 = 4

b = y - mx
b = 4 - 4(1)
b = 0

so equation
y = 4x

answer
last one y = 4x
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3 years ago
Rocco has a weekly reading schedule, reading for 4.5 hours per day on some days and 3.5 hours per day on the other days. He read
AleksAgata [21]

Answer:

x = days he reads for 4.5 hours = 1 day

y = days he reads for 3.5 hours = 6 days

Step-by-step explanation:

Let

x = days he reads for 4.5 hours

y = days he reads for 3.5 hours

x + y = 7 (1)

4.5x + 3.5y = 25.5 (2)

From (1)

x = 7 - y

Substitute x = 7 - y into (2)

4.5x + 3.5y = 25.5 (2)

4.5(7 - y) + 3.5y = 25.5

31.5 - 4.5y + 3.5y = 25.5

- 4.5y + 3.5y = 25.5 - 31.5

-y = -6

y = 6

Substitute y = 6 into (1)

x + y = 7 (1)

x + 6 = 7

x = 7 - 6

x = 1

x = days he reads for 4.5 hours = 1 day

y = days he reads for 3.5 hours = 6 days

4 0
3 years ago
Whats 4+4???<br> PLEASE HELP!!
Dimas [21]

Answer:

8

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Two more than 3times and the number is 17 find the number​
Nonamiya [84]

Answer:

5

Step-by-step explanation:

Let the number be x

Therefore 3times the number will be 3x

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3x =17-2

3x=15

x=15/3

x= 5

5 0
2 years ago
Can someone answer theese questions I WILL GIVE BRAINLIST and thanks and a 5 star if they are correct
hodyreva [135]
The first question I think it’s A because 1.13 is larger than 1.2
I hope this helps
7 0
2 years ago
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