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DedPeter [7]
3 years ago
5

I need help fast please help I’ll give 30 points

Mathematics
1 answer:
LuckyWell [14K]3 years ago
8 0
I need Brainliest please vote me
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What's 3 and 1 in a half
noname [10]
The answer to the question is 4 1/2
7 0
3 years ago
A water tank has a square base with each side of length 4 meters. Water enters through a hose at a constant rate of 20 liters pe
dmitriy555 [2]

Answer:

378.33 minutes

Step-by-step explanation:

From the question, we're told that

Length of the side of the square, l = 4 m

Then the current volume of water = (4 m)³ = 64 m³3 = 64,000 Liters

64,000 + [∫(20 - t) dt from 0 to t] = 0, solving the integral, we have

20t - (t^2)/2 = -64,000, multiplying all by 2 so as to eliminate the fraction

40t - t^2 + 128,000 = 0

t^2 - 40t - 128,000 = 0, on solving the quadratic equation(using general formula), we find that

t = 378.33 minutes

4 0
3 years ago
john is 35 years old,and his son is 5. how many years will john be exactly 3 times as old as his son?
motikmotik
(35+t)/(5+t)=3 --> 35+t = 15+3t --> 20=2t --> t=10 years

Dad: 45, son: 15 (works!)
6 0
3 years ago
Read 2 more answers
Name Guided Practice DO Do You Understand? 1. If the orchard has 200 seedlings and 12 are planted in each row, how many rows wil
marshall27 [118]

Answer:

16 rows, 8 seedlings left.

Step-by-step explanation:

Divide 200 by 12, since 200 seedlings are going to be split in 12 groups in order to fill the rows.

200 ÷ 12 = 16 with a remainder of 8.

The remainder is basically what is left.

Since 12 seedlings are planted in each row, 8 seedlings is not enough to completely fill the row. So, the answer is 16 rows with 8 seedlings left.

Hope this helped !

7 0
2 years ago
Convert 15 km per hour to meters per second
ipn [44]
1km = 1000m
1hr = 3600sec

Do proportions:
1km / 1000m = 15km / x
15000m = x

1hr = 3600sec

15000/3600 = 4.2m per second
Choice 4


6 0
3 years ago
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