4,322 Answered Questions for the topic College Algebra

College Algebra

01/25/21

College algebra

Use the given conditions to write an equation for the line in point-slope form and slope- intercept form. Passing through (-3,4) and (2,-1)
College Algebra

01/25/21

Solve the equation for c c q + p a = c h + j

College Algebra

01/24/21

How do I solve this

Jenny jogs every four days and Shannon jogs every five days. They both started jogging on Thursday of this week. A. When will they both jog again on the same day? B. What day of the week will it be?
College Algebra

01/24/21

college algebra

A seven-gallon jug is full of 30% isopropyl alcohol solution; you wish to drain off some amount of this liquid and replace it wih 90% isopropyl in order to get a solution which is 75% isopropyl... more
College Algebra

01/22/21

Jeff and Kirk can build a

Jeff and Kirk can build a 75-ft retaining wall together in 8 hours. because jeff has more experience, he could build the wall by himself 1 hour quicker than Kirk. How long would it take Kirk ( to... more
College Algebra

01/22/21

Twin brothers, bully and bobby

Twin brothers, Billy and Bobby, can mow their grandparents lawn together in 56 minutes. Billy could mow the lawn by himself in 15 minutes less time that it would take Bobby. How long would it take... more
College Algebra

01/22/21

Meg rowed her boat

Meg rowed her boat upstream a distance of 12mi and then rowed back to the starting point. The total time of the trip was 8 hours. If the rate of the current was 2 mph, find the average speed of the... more
College Algebra

01/21/21

If Alex made 20% more than Sam and together they made $118,800, how much did eachearn?

College Algebra Math Algebra

01/21/21

After a devastating rainfall, a basement floor that is 40 ft by 70 ft is covered in 18 in. of water.

What are the dimensions (in feet) of the rectangular prism formed by the water? (Enter your answers as a comma-separated list.) FT.How many cubic feet of water must be pumped from the basement?... more
College Algebra

01/20/21

Equations of circles

Write the general form of a circle tangent to the x-axis with a center at (-5,4).
College Algebra

01/19/21

Larry Mitchell invested part of his $11,000 advance at 3% annual simple interest in the rest at 4% annual simple interest

if his total yearly interest from both accounts was $420, find the amount invested at each rate.The amount invested at 3% is $....The amount invested at 4% is $....
College Algebra

01/19/21

How much Of a 90% orange juice drink must be mixed with 12 gallons of a 30% orange juice drink to obtain a mixture that is 50% orange juice

The amount of 90% orange juice drink is blank gallons
College Algebra

01/18/21

Help me solve this

The perimeter of a rectangle is 80 ft the length of the rectangle is 4 feet more than three times the width what are the dimensions of the rectangle
College Algebra

01/16/21

The Cunninghams are moving across the country. Mr. Cunningham leaves 3.5 hours before Mrs. Cunningham. If he averages 55mph and she averages 65mph, how many hours will it take Mrs. Cunningham

The Cunninghams are moving across the country. Mr. Cunningham leaves 3.5 hours before Mrs. Cunningham. If he averages 55mph and she averages 75mph, how many hours will it take Mrs. Cunningham to... more
College Algebra

01/14/21

College Algebra

If x varies directly as y, and x=40 when y=5, find x when y=7.
College Algebra Finite Math Business finance

01/14/21

Finite math help please

A state Motor Vehicle Department requires learners to pass a written test on the motor vehicle laws of the state. The exam consists of twenty true-or-false questions, of which eighteen must be... more
College Algebra

01/12/21

c(x)=105x+70000 r(x)=245x

College Algebra

01/10/21

f ( x ) is a linear function. f ( 6 ) = − 1 and f ( 12 ) = 1 , Find the linear function. How do I find the y value and slope?

f ( x ) is a linear function. f ( 6 ) = − 1 and f ( 12 ) = 1 , Find the linear function. How do I find the y value and slope?
College Algebra

01/10/21

Algebra of functions

Question: Let f(x)= x to the power of 2+3x and g (x)=2x-1. Find the following: (f+g) (x) (f-g) (3) Show your steps using the math type tool and explain your steps in words.
College Algebra

01/07/21

Determine the intersection or union of sets A, B, and C as indicated,

given   A = {5, 10, 15, 20}   B = {25, 30, 35, 40}   C = {10, 20, 30, 40}.Find  A  U  C.
College Algebra Math Finite Math

01/07/21

Let U = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12},

Let U = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, A = {3, 5, 7, 9, 11}, B = {4, 6, 8, 10, 12}, and C = {3, 4, 6, 7, 10, 11}.List the elements of each set. (Enter your answers using roster notation. Enter... more

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