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TiliK225 [7]
3 years ago
8

The fastest a human has ever run is 27 miles per hour how many miles per minute did the human run

Mathematics
1 answer:
garri49 [273]3 years ago
3 0
Ok so all we need to do is divide 27mph by 60 to convert the mph to miles per minute. 

27/60= .45 miles per minute
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Chang runs each lap in 5 minutes. He will run at the most 30 minutes today. What are the possible numbers of laps he will run to
Ipatiy [6.2K]

Answer:

6

Step-by-step explanation:

all you have to do is 30 / 5 what equals 6

4 0
3 years ago
Una piscina rectangular de 15 metros de largo por 9 metros de ancho està rodeada por un
stira [4]

Answer: 2 meters.

Step-by-step explanation:

Let w = width of the cement path.

Dimensions of pool : Length = 15 meters , width = 9 meters

Area of pool = length x width = 15 x 9 = 135 square meters

Along width cement path, the length of region = 2w+15

width = 2w+9

Area of road with pool =  (2w+15) (2w+9)

= 4w^2+30w+18w+135\\\\=4w^2+48w+135

Area of road = (Area of road with pool ) -(area of pool)

\Rightarrow\ 112 =4w^2+48w+135- 135\\\\\Rightarrow\ 112= 4w^2+48w\\\\\Rightarrow\ 4 w^2+48w-112=0\\\\\Rightarrow\ w^2+12w-28=0\ \ \ [\text{Divide both sides by 4}]\\\\\Rightarrow\ w^2+14w-2w-28=0\\\\\Rightarrow\ w(w+14)-2(w+14)=0\\\\\Rightarrow\ (w+14)(w-2)=0\\\\\Rightarrow\  w=-14\ or \ w=2

width cannot be negative, so w=2 meters

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8 0
3 years ago
Type the correct answer in the box. Log14/13+log11/5-log22/15= log
MArishka [77]

your answer would be x=21/13

When the logs have the same base: logb(f(x)) = logb(g(x)) --> f(x) g(x)

if im correct please mark brainliest :)

4 0
3 years ago
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7 0
2 years ago
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Orlov [11]

Answer:

Step-by-step explanation:

7+4y=7-5y+54

Collecting like terms

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y = 6

6 0
2 years ago
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