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N76 [4]
3 years ago
5

Please help ASAP THIS IS MY FINAL QUESTION!!!! 20 points!!!!

Mathematics
1 answer:
givi [52]3 years ago
4 0

Answer:

y= 1/2x-3

Step-by-step explanation:

2y - x = 8

First find the slope

2y = x+8

Divide by 2

2y/2 = x/2 +8/2

y = 1/2 x +4

The slope is 1/2  ( y=mx+b where m is the slope and b is the y intercept)

When lines are parallel they have the same slope)

Using y = mx+b

y =1/2x+b

Substituting the point (4,-1) into the equation

-1 =1/2(4)+b

-1 = 2+b

-3 =b

The equation of the line is

y= 1/2x-3

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A car is traveling at a speed of 55 mph. You want to write an algebraic expression to show how far the car will travel in a cert
WARRIOR [948]

distance = rate * time.

distance is number of miles the car has traveled.

rate = number of miles per hour the car is traveling at.

time = number of hours the car has been driven.

let D = distance.

let T = time.

let R = rate


the general equation is D = R*T

as long as the car will always be driven at 55 miles per hour, you can substitute 55 for R and that becomes your constant.

The equation then becomes D = 55 * T.

example:

you drive 5 hours.

D = 55 * T = 55 * 5 = 275 miles.

If you drive at 55 miles per hour for 5 hours, you will have driven 275 miles.

Hope this helps!

4 0
4 years ago
Write 2500 as a fraction
fomenos

It could be written as 2500/1

7 0
3 years ago
Read 2 more answers
Anu borrowed Rs 4000 from a bank at 7 % per annum for 2 years. She then lent this amount to Nidhi at 9 % per annum for the same
Sav [38]

Step-by-step explanation:

p- 4000

r- 7

t-2years

SI- P×r×t/100

SI-4000×7×2/100

SI- 4000×14/100

SI- 56000/100

SI- 560

so anu give = p+ SI

= 4000+560

= 4560 ₹

p- 4000

r- 9

t-2 years

SI- P×r×t/100

SI- 4000×9×2/100

SI- 4000×18/100

SI- 72000/100

SI- 720

so nidhi give= p+SI

= 4000+720

= 4720

I think it will help you

5 0
3 years ago
24.
Anuta_ua [19.1K]

Answer:

I think it would be 17 because 34 ÷ 2 = 17

6 0
3 years ago
If a faucet leaks 7 oz of water per minute, how many gallons of water are wasted in a year? (128 oz/gallon)
blagie [28]

Well, how many minutes are there in a year? It would be way too easy to  say "too many".

First, we calculate minutes in a day, which is 60 x 24 (minutes in an hour x number of hour)

This equals 1440. There are 365 days in a year, so we multiply 365 by 1440, which equals 525,600

The conversion of oz to gallon occurs, and bigger units mean division since their capacity makes the necessity for them significantly smaller; we divide 525600 by 128, and we get 4106.25.

4106.25 gallons of water are wasted in a year

4 0
4 years ago
Read 2 more answers
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