20,417 Answered Questions for the topic Algebra

Algebra

11/26/21

One equation in a system of equations is y = 4x + 5. Which equation below would have to be the second equation so that the system has (1, 9) as its only solution?

One equation in a system of equations is y = 4x + 5. Which equation below would have to be the second equation so that the system has (1, 9) as its only solution?
Algebra

11/26/21

how can I Identify the number of solutions without solving.

Identify the number of solutions without solving.Raheel is comparing the cost of two parking garages. Garage A charges a flat fee of $6 per car plus $0.50 per hour. Garage B charges a flat fee of... more
Algebra

11/26/21

One equation in a system of equations is y = 4x + 5. Which equation below would have to be the second equation so that the system has (1, 9) as its only solution?

One equation in a system of equations is y = 4x + 5. Which equation below would have to be the second equation so that the system has (1, 9) as its only solution?

11/26/21

Need help. Thank you.

Letter A: You have 4 blue pens, 3 black, 2 green, and 1 red. You take two without replacing 1 of the pens. Find the probability(blue, then green).Letter B: Two cards are drawn from a standard deck... more
Algebra Math

11/25/21

Grade 10 Math Question

A football is punted. Its height, H metres is given by the quadratic relation with equation: H = -5t2 + 21t, where t is the time in seconds after the punt. Algebraically determine the maximum... more
Algebra Math

11/25/21

In the year 2005, a picture supposedly painted by a famous artist some time after 1635 but before 1685 contains 95.4 percent of its carbon-14 (half-life 5730 years).

From this information, could this picture have been painted by this artist?  Approximately how old is the painting? 
Algebra

11/25/21

need help with algebra

write an equation of the line passing through the point,(4,-1) and perpendicular to the line y=2x-5
Algebra

11/24/21

The drama club sold bags of candy and cookies to raise money for the spring show.

 Bags of candy cost $8.50, and bags of cookies cost $4.50, and sales equaled $79.00 in total. There were 6 more bags of cookies than candy sold.Find the number of bags of candy and cookies sold by... more
Algebra Word Problem

11/24/21

how do i solve this word problem step by step

Julie and Eric row their boat (at a constant speed) 40 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 10 hours. Find the rate... more
Algebra Math

11/23/21

Cell Phone Carrier Math Problem

Dhruv purchased a smartphone from a cellphone carrier in March. A monthlywir4eless bill that he expects to get from the cell phone carrier consists of a wirelessphone service fee and an internet... more

11/23/21

determine if ΔFGH and ΔJKL are congruent. If they are give the reason if they aren't choose "not congruent". F(-5, 10), G(-2, 2), H(-9, -7), J(0, -5), K(9, 2), L(-8, -2)

enter them to the nearest tenth. Plz help me. I really need to answer this in a time limit of 15 minutes.
Algebra

11/23/21

find the value of ‘r’

find the value of r so the line that passes through each pair of points has the given shape (3, 5), (- 3, r), m = 3/4
Algebra

11/23/21

math is fun ....................................

Austin wants to build a rectangular enclosure for his animals. One side of the pen will be against the barn, so he needs no fence on that side. The other three sides will be enclosed with wire... more
Algebra

11/23/21

Math Word Problem

A waitress sold 17 ribeye steak dinners and 30 grilled salmon dinners, totaling $580.08 on a particular day. Another day she sold 24 ribeye steak dinners and 15 grilled salmon dinners, totaling $... more
Algebra Math Expressions

11/22/21

Simplify: -3(-2x+12y)-(9-3y)

There are multiple answers and I cant figure out all of them. Someone, PLEASE help me.
Algebra Math Trigonometry

11/22/21

trigonometry solutions for equations

I need to find solutions for trigonometric equations for college algebra and trig and my prof did not give any notes on how to solve this type of equation there are 5 equations and I don't know how... more
Algebra

11/21/21

Math Question-Expression

What number must be in the blank in the expression 3(x+7)-__(2x+9) if the expression is the same for all the values of x?
Algebra Math Algebra 1

11/21/21

Find the area, as indicated

Find the area, as indicatedWidth Length Perimeter AreaI-2 I 120ft ... more
Algebra Math Algebra 1

11/21/21

Find the perimeter, as indicated

Find the perimeter, as indicatedWidth Length Perimeter Areaw 1.5w _________cm 294cm2
Algebra Math Algebra 1

11/21/21

Write a quadratic equation having the given solutions

Write a quadratic equation having the given solutionsx = 2, x = 10
Algebra Math Algebra 1

11/21/21

Write a quadratic equation that has the given solutions

Write a quadratic equation that has the given solutionsx = -4, x = 5

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