Mathematics, 14.07.2020 01:01 musfirahkhurram

There are 80 students in a school. Every student is taking either algebra or pre-calculus, and some students are taking both. There are 60 students in the algebra class. If 15 students are taking both algebra and pre-calculus, what is the probability that a randomly selected student is taking pre-calculus but not algebra?

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 13:00

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

Answers: 3

Answer

Mathematics, 21.06.2019 17:30

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Answers: 2

Answer

Mathematics, 21.06.2019 20:00

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Answers: 2

Answer

Mathematics, 21.06.2019 20:30

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for

Answers: 2

Answer

You know the right answer?

There are 80 students in a school. Every student is taking either algebra or pre-calculus, and some...

Questions

Social Studies, 31.12.2019 01:31

Aperson who teaches their insight and reasoning and is seen as having a divine light is known as a...

Physics, 31.12.2019 01:31

Does a rigid object in uniform rotation about a fixed axis satisfy the first and second conditions for equilibrium?...

Business, 31.12.2019 01:31

Joe and teresa are married and they both work outside the home. they have three children ages 18, 6 and 2. also, joe's 20 year old niece is a full-tim...

Health, 31.12.2019 01:31

Panic disorder is a specific type of anxiety disorder. some have suggested that exercise might actually induce panic attacks in panic-prone individual...

Chemistry, 31.12.2019 01:31

For the second-order reaction below, the concentration of the product, b, after 535 seconds is 0.0784 m. if no b is initially present, and the initial...

Physics, 31.12.2019 01:31

Our local public radio station (kjzz) broadcasts at a frequency of 91.5 mhz. (a) what is the wavelength of the radio waves emitted by the...

Mathematics, 31.12.2019 01:31

Find the t values that form the boundaries of the critical region for a two-tailed test with a=.05 for n=6 n=12...

Mathematics, 31.12.2019 01:31

For the expression tree corresponding to the following expression, what is the height of the tree? [(x + 2) - 3] * [4 / (y * b + c)]...

Business, 31.12.2019 01:31

By reducing transactions and information costs, financial intermediaries can offer savers higher interest rates. offer borrowers lower interest rates....

Chemistry, 31.12.2019 01:31

For the hypothetical reaction a+3b2c, the rate of appearance of c given by a) (δ[c]/δt = -δ[a]/δt b) (δ[c]/δt = -(3/2)δ[b]/δt...

Biology, 31.12.2019 01:31

Part a do you think three weeks (21 days) is enough time to observe all of the moon’s phases? why or why not?...

Social Studies, 31.12.2019 01:31

Eleven-month-old jason drops a toy from his crib. he immediately looks over the side of the crib to look for the toy. jason's behavior demonstrates th...

Business, 31.12.2019 01:31

For more than 20 years, the fed has used the federal funds rate as its monetary policy target. it has not targeted money supply at the same time becau...

Physics, 31.12.2019 01:31

Which person is weightless? a. a child in the air as she plays on a trampoline. b. an astronaut on the moon. c. a scuba div...

Business, 31.12.2019 01:31

Flaherty is considering an investment that, if paid for immediately, is expected to return $140,000 five years from now. if flaherty demands a 9% retu...

Mathematics, 31.12.2019 01:31

Lena needs $50 to buy some notebooks. she had saved $2 and plans to work as a babysitter to earn $8 per hour. which inequality shows the minimum numbe...

Spanish, 31.12.2019 01:31

1. montse quiere que su alcoba elegante. 2. te recomiendo que esa camisa. 3. el profesor nos sugiere que la tarea cada día. 4. mi...

Social Studies, 31.12.2019 01:31

Define and discuss two task roles and two maintenance roles that are usually found in groups. how might the people filling these roles communicate/wha...

Business, 31.12.2019 01:31

If gross investment is $2,593 billion and net investment is $873 billion, depreciation is: a. $873 billion. b. $1,720 billion. c...

Chemistry, 31.12.2019 01:31

When rutherford aimed a beam of alpha particles at a sheet of gold foil, most of the alpha particles pass through the foil. what conclusions did ruthe...

More questions: Mathematics Another questions