You use 6 gallons of water on 20 plants in your garden. At that rate, how much water will it take to water 30 plants?

Answers

Answer 1
Answer: 9 because every ten plants is equal to 3 gallons. 30 plants are equal to 9 gallons.
tell me if if helps.
Answer 2
Answer: 9 because if you divide 6 by 2 you get 3 and if per 10 plants you have to use 3 gallons then for 30 you'll have to use nine because 3x3 equals 9

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If a circle is cut from a square piece of plywood, how much plywood would be left over? Use 3.14 for pi

Answers

20^(2) -3.14*10^(2) = 400 - 314 = 86;

Mitch does not know the correct answer to two multiple choice questions. The choices are A,B,C, and D. If Mitch just guesses, what is the probability that Mitch will guess both answers correctly?

Answers

Both chances to success are 1/4. If you want the first AND the second to be successful, you have to multiply the chances, so the answer is

1/4 * 1/4 = 1/16

What is the the first quotient in 1879 divided by 9?

Answers

The first number is 2 because 18รท9=2. So the 1st quotient is 2

Pedro cut a sheet of poster board into 10 equal parts. His brother used some of the poster board and now 8/10 is left. Pedro wants to make a sign fromeach remaining part of the poster board. How many signs can he make?

Answers

8 because 8 pieces are left
8 pieces are left so your answer should be 8.

Ethan ran 11 miles in two hours. What is the unit rate of miles to hour?

Answers

11/ 2= 5.5 miles per hour

BIG POINTS (82)

what is the area of a circle if its radius is 3596cm let pi=3.14

Answers

Area of a circle of radius r : A=\pi r^2

3596cm = 35.96 m hence

Hence here A=\pi r^2\approx3.14\cdot(35.96)^2=3.14\cdot1293.1216=4,060.401824m^2