Joann has 3 green marbles 5 blue marbles and 9 yellow marbles.What is the ratio of green marbles to blue marbles?

Answers

Answer 1

Answer:

Given:Joann has 3 green marbles 5 blue marbles and 9 yellow marbles.

The ratio is asking us to find the ratio of green and Blue marble.A ratio is a statement of how two numbers compare. It is a comparison of the size of one number to the size of another number.Ratios can be shown using the ":" to separate the numbers.Ratio of Green :Blue:Yellow =3:5:9

The ratio of green and Blue marbles =3:5.

Answer 2

Answer: Green marbles = 3
Blue Marbles = 5

Green to blue = 3/5.

Hope this helped☺☺

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The sum of three consecutive odd numbers is 81. what is the smallest of the three number?

Answers

81=x+x+1+x+2 given
81=3x+3 combine like terms
-3-3 subtraction property of equality
78=3x
/3/3 division property of equality
26=x symmetry property
x=26
x+1=27
x+1=28/
26,27,28
26+27+28=81
so,26.27.and 8

If you know the rate of a water leak in gallons per hour, how can you find the number of hours it takes for 1 gallon to leak out?

Answers

You will need to take the rate it's leaking out at, and figure out how many times that unit goes into one full gallon. Then you will need to multiply your answer by the time given in the rate.

Example: If the rate is .5 gallon per 1 hour, then we already know that it will take 2 hours...but to calculate it, we will take the .5 gallon and see how many times it goes into a full gallon, Its 2. Now multiply by 1 (since the rate was .5 gallon per 1 hour). So the answer is in fact 2.

Example 2: If the rate was .5 gallon every 2 hours, we will use the same method. If we think about it, we probably already know it will be 4 hours...but lets calculate!

.5 gallon goes into 1 full gallon twice. And 2 x 2 = 4

Help me please, I really struggle with graphs

Answers

RIRI ...

Check out the picture I attached.

a wooden board is 100 centimeters long is cut into two pieces one is 16 centimeters longer than the other what are the lengths of the two pieces

Answers

(100 - 16)÷2 = 42 is the short one's length and 42 + 16 = 58 is the long one's length

Problema Solution a wooden board 100 centimeters long is cut into two pieces. One piece is 16 inches longer than the other. What are the lengths of the two pieces x = the length of one piece y = the length of the other piece the total length is 100 cm this means x + y = 100 one piece is 16 inches longer than the other first we need to convert inches to cm: 1 in = 2.54 cm 16 in = 2.54*16 = 40.64 now we can write x = y + 40.64 by solving the system of equations x + y = 100 x = y + 40.64 we find x = 70.32 cm y = 29.68 cm the lengths of the two pieces are 70.32 cm and 29.68 cm.

Simplify 5/8-(-7/2)

Answers

Answer:

33/8

see the pic for the steps

5/8 - (-28/8) = -23/8

Erin byus a bag of peanuts that weighs three fourths of a pound. Later that week, the bag is two thirds full.how much does the bag of peanuts weigh now? Show your work.

Answers

Weight of peanuts in a full bag = ¾ pounds
Weight of the bag when it is 2/3 full
Then
1 full bag = ¾ pounds
2/3 full bag = [(3/4)*(2/3)
= ½ pounds
So the weight of the peanuts when the bag is two thirds full is ½ pounds.

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