MATHEMATICS MIDDLE SCHOOL

A cylinder has a base with a radius of 5 cm and a height of 15 cm. What is the volume of the cylinder? (Use π = 3.14.) A.
235.5 cm3

B.
471 cm3

C.
1177.5 cm3

D.
4710 cm3

Answers

Answer 1
Answer: im all most postive it is b 471cm but im not sure i hope this helps 

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Which shape is ALWAYS a type of rectangle?
I need help on #6 I know the answer I just need the work
Bobby drew a scale drawing of a hotel. He used the scale 1 inch : 6 feet. In the drawing, a room I the hotel is 3 inches wide. What is the width of the actual room?
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Which system of inequalities has a solution set that is a line?[x+y23
[x+y s3
[x+y2-3
Extysa
0
[x+y>3
(x + y <3
(x+y> -3
(x+y<3

Answers

Answer:

x + y ≥ 3

x + y ≤ 3

Step-by-step explanation:

In the picture attached, the problem is shown.

The solution to the system:

x + y ≥ 3

x + y ≤ 3

is the line x + y = 3

In order to get a solution to a system of inequalities that is a line, we need the same equation on the left (here, x + y), the same constant on the right (here, 3), and the ≥ sign in one inequality and the sign ≤ in the other one.

Six more than the quotient of four and a number x

Answers

Break the words down. “Six more” means +6. “The quotient of 4 and x” is 4/x. So, the equation becomes 4/x +6 or (4/x)+6. Hope this helped!

Find two sets of coins that make 120% of a dollar, where no type of coin is in both sets

Answers

Four quarters with four nickles make up 120% of a dollar.

12 dimes make 120% of a dollar.

A dime is equal to one-tenth of a dollar.

A penny is equal to one-hundredth of a dollar.

A nickle is equal to one-twentieth of a dollar.

A quarter is equal to one-fourth of a dollar.

120% of a dollar = 1 dollar + 0.2 dollars = $1.2

\begin{aligned} \text{First set} &= \text{Four quarters + Four nickles}}\n &= 4 * 0.25 + 4 * 0.05\n&= \$1 + \$0.2\n&= \$1.2\end{aligned}

\begin{aligned}\text{Second set} &= 12 \:\rm dimes\n&= \$12 * 0.1\n&= \$1.2\end{aligned}

Thus, Four quarters with four nickles make up 120% of a dollar and

12 dimes make 120% of a dollar.

Learn more here:

brainly.com/question/369816
12 dimes makes 1.20
4 quarters and 4 nickels makes 1.20

What does prime mean

Answers

Prime means when a number can't have a factor other than 1
First in rank or degree.

the rule for the number of fish in a home aquarium is 1 gallon of water for each 1 inch of fish length. Marta's aquarium 13 gallons and Hanks aquarium holds 17 gallons. Based on the number of fish they bought in exercise 10 ( Marta got 3 guppies & 2 planties; Hank got 3 guppies & 4 planties) How long is a guppy and how long is a planty?

Answers

ok so 1gallon=1

guppylegnth=g
plantielegnth=p

martha has 13 inches of fish
hank has 17 inchs of fish

the amount of fish is calculated by
amount of each fish times legnth of fish

martha:
13=3g+2p

hank:
17=3g+4p

compare, asssuming that all planties are same legnth and all guppies are same legnth

13=3g+2p
17=3g+4p
looks like we just added 2p to first euation to get secon equation

minus them
-13=-3g-2p
17=3g+4p +
4=0g+2p

4=2p
divide 2
2=p

sub back

13=3g+2p
13=3g+2(2)
13=3g+4
minus 4
9=3g
divide 3
3=g


guppies are 3 inches
planties are 2 inches
9

Answer:

guppylegnth=g

plantielegnth=p

martha has 13 inches of fish

hank has 17 inchs of fish

the amount of fish is calculated by

amount of each fish times legnth of fish

martha:

13=3g+2p

hank:

17=3g+4p

compare, asssuming that all planties are same legnth and all guppies are same legnth

13=3g+2p

17=3g+4p

looks like we just added 2p to first euation to get secon equation

minus them

-13=-3g-2p

17=3g+4p +

4=0g+2p

4=2p

divide 2

2=p

sub back

13=3g+2p

13=3g+2(2)

13=3g+4

minus 4

9=3g

divide 3

3=g

guppies are 3 inches

planties are 2 inches

9

Step-by-step explanation:

lance has 3 2/3 yards of ribbon.he is making a puppet.how much ribbon,in yards ,will lance have left? da yards of the puppet is 2 1/2

Answers

2 1/6 is the answer. Just subtract 3 2/3 minus 2 1/2
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