subject

Mathematics, 20.09.2020 05:01 tlecuyer

Mary is half of her sister's age. The sum of their
ages is 18. How old is her sister?

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 16:20

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Answers: 1

question

Mathematics, 21.06.2019 19:50

Which function has the domain x> -11

Answers: 1

question

Mathematics, 21.06.2019 20:30

What’s -11-33k and factor each expression completely

Answers: 2

question

Mathematics, 21.06.2019 20:50

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Answers: 3

You know the right answer?

Mary is half of her sister's age. The sum of their
ages is 18. How old is her sister?...

Questions

question

Business, 19.03.2020 23:07

On February 18, 2018, Union Corporation purchased $600,000 of IBM bonds. Union will hold the bonds indefinitely, and may sell them if their price incr...

question

History, 19.03.2020 23:07

Why was Sacagawea important to the Lewis and Clark expedition? Please please please help me!! :)...

question

Business, 19.03.2020 23:07

Port Orleans Shipping markets different services to the tourism, defense, and trade segments. The firm designs separate offers for each segment based...

question

Mathematics, 19.03.2020 23:07

Lisa buys candy that costs $5 per pound. She will spend less than $30 on candy, What are the possible numbers of pounds she will buy? Use p for...

question

Engineering, 19.03.2020 23:07

A sphere 30 mm in diameter initially at 800 K is quenched in a large bath having a constant temperature of 320 K with a convection heat transfer coeff...

question

Biology, 19.03.2020 23:07

A 25-year-old woman who recently underwent genetic testing has just learned that she is heterozygous dominant for Huntington disease. Her husband, how...

question

Mathematics, 19.03.2020 23:07

Help, please. A plane is heading due east with an airspeed of 210 miles per hour. A wind from a direction of south 32 degrees west is blowing a...

question

Mathematics, 19.03.2020 23:07

A Complex Fraction is Equal to a Number GREATER Than 1 if?...

question

Mathematics, 19.03.2020 23:08

A manufacturing plant earned $80 per a man-hour of labor when it opened. Each year, the plant earns an additional 6% per man-hour. Which expression gi...

question

Mathematics, 19.03.2020 23:08

If f(x) = 5 + 4x^2, then f(3) =...

question

Mathematics, 19.03.2020 23:08

If I Start Counting with the number 10,11,12,13 in the left hand from little finger to thumb and counting the next number from forefinger to little fi...

question

English, 19.03.2020 23:08

Dr. Naismith would have been surprised. If he had known how popular basketball would become. What is the best way to combine the two sente...

question

Mathematics, 19.03.2020 23:08

Someone help me please I can't understand....

question

Mathematics, 19.03.2020 23:08

Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 126 in. Find the dimensions of a r...

question

Physics, 19.03.2020 23:08

What are protons and neutrons compromised of?...

question

Business, 19.03.2020 23:08

For example, the lower, left cell shows that if Movietonia prices low and Videotech prices high, Movietonia will earn a profit of $18 million and Vide...

question

Biology, 19.03.2020 23:08

How did the development of the hela cell line affect society?...

question

Mathematics, 19.03.2020 23:08

Helen is trying to prove the difference formula for cosine. She has started her proof as shown above. What property would she need to use for the next...

question

Social Studies, 19.03.2020 23:08

Muhammad is conducting research on the relationship between education and fertility. Muhammad finds that the more education a woman has, the fewer chi...

question

Business, 19.03.2020 23:09

The following information for the past year for the Blaine Corporation has been provided: Fixed costs: Manufacturing $115,000 Marketing 21,000 Admini...

More questions: Mathematics Another questions

Questions on the website: 13722367