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Romashka [77]
3 years ago
5

Joan can mow 6 acre field in 2 hours. how long would it take her to mow a 3 acre field

Mathematics
2 answers:
Citrus2011 [14]3 years ago
5 0
One hour. if he mows 6 acres in 2 hours, mowing half as many would take half the time.
GaryK [48]3 years ago
3 0
6/2 Changed into a unit rate is 3/1 so joan can mow 3 acres in 1 hour
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The ratio of boys to girls in a school is 5:8.If the number of girls exceeds the number of boys by 144, calculate the total numb
True [87]

Answer:

Step-by-step explanation:

624 students

Since they’re only 3 parts more girls then boys and the number equals 144, you just have to divide 144 by 3. You’ll get 48

Multiply 5 and 8 by 48 to get 240 and 384 and add to get 624 which is the answer

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3 years ago
Write y=-3x^2+12x-21 in vertex form
riadik2000 [5.3K]
Complete the square: 
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3 years ago
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notsponge [240]

Hey there!

A perpendicular line's slope to another line is always the negative reciprocal of slope.

If our line has a slope of two, we first must find the reciprocal, which is 1/2. Then, we put a negative on it.

Therefore, our equation is y=-1/2x+b.

I hope that this helps! Have a great day!

6 0
3 years ago
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The prism below is made of cubes which measure 1/3 of an inch on one side what is the volume
EastWind [94]

Answer:

Volume of rectangular prism = 10/9 inch³

Step-by-step explanation:

Given:

Size of each cube = 1/3 inch

Find:

Volume of rectangular prism

Computation:

Length of rectangular prism = 2 x [1/3]

Length of rectangular prism = 2/3 inch

Width of rectangular prism = 3 x [1/3]

Width of rectangular prism = 3/3

Width of rectangular prism = 1 inch

Height of rectangular prism = 5 x [1/3]

Height of rectangular prism = 5/3 inch

Volume of rectangular prism = Length x Width X Height

Volume of rectangular prism = [2/3] x [1] x [5/3]

Volume of rectangular prism = 10/9 inch³

7 0
3 years ago
Please I need help!!!
Natalija [7]

Answer:

58

Step-by-step explanation:

-14 + x = 44

x = 44 + 14

x = 58

3 0
3 years ago
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