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swat32
3 years ago
13

Julie is tracking the growth of a plant for a science project. The height of the plant on the 2nd day she measured was 8 inches

and on the 7th day it was 20.5 inches. Assume the relationship is linear
Mathematics
1 answer:
kvv77 [185]3 years ago
6 0

Answer:

Step-by-step explanation:

The relationship is linear, so the plant grows the same amount each day.

The height on the 2nd day was 8 inches:

h₂ = 8

The height on the 7th day was 20.5 inches:

h₇ = h₂ + (7-2)d = 8 + 5d = 20.5

d = 2.5

The plant grows 2.5 inches each day.

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Archy [21]

Answer:

After 2.5 minutes the pool will have 27 gallons of water.

Step-by-step explanation:

The pool has already 12 gallons of water and Eric wants to fill it to at least 27 gallons.

The water is flowing at a rate of 6 gallons per minute.

Let, after t minutes the pool will have at least 27 gallons of water.

Therefore, we can write the equation as  

27 = 12 + 6t

⇒ 6t = 15

⇒ t = 2.5 minutes.

Therefore, after 2.5 minutes the pool will have 27 gallons of water. (Answer)

8 0
3 years ago
A piece of blue yarn is 5/ 3/7 yards long. A piece of pink yarn is 5 times as long as the blue yarn. How much longer is the pink
MaRussiya [10]

Answer:

27 1/7

Step-by-step explanation:

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8 0
3 years ago
X^2+11x+30 ?????????????????????
kari74 [83]

Solution:

X^2+11x+30

=X^2+(6+5)x+30

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So,the answer is (x+6)(x+5).

4 0
3 years ago
On Monday, Raven ran 2 3 4 miles; Tuesday, 2 3 5 miles; Wednesday, 2 1 2 miles; Thursday, 2 5 8 miles; and Friday, 2 7 10 miles.
melisa1 [442]

Do you add them?? or is it multyplying 2 3 and 4??



5 0
3 years ago
Read 2 more answers
The sum of three numbers is 8. The first number minus the second plus the third is 4. The first minus the third is 2 more than t
Natalija [7]
The numbers are 3+2+3=8 , the first number minus the second and the third is 4 then you get 3-2+3=4
So your overall anwser is 3+2+3=8
8 0
3 years ago
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