19,133 Answered Questions for the topic Algebra

Algebra

12/06/21

How do you solve the system 6x+3y=54, and 2x+y=18 using substitution?
How do you solve the system 6x+3y=54, and 2x+y=18 using substitution?
Follows • 1
Expert Answers •1
Algebra Math Geometry

12/06/21

What is the distance from point (-10, -4) to the given line 5x - y = 6?
Follows • 1
Expert Answers •1
Algebra Math Geometry

12/06/21

What is the distance from point (-10, -4) to the given line 5x - y = 6?
Follows • 1
Expert Answers •1
Algebra Algebra 1

12/05/21

The Phillips family and tanaka family each used their sprinklers last summer.

The Phillips family’s sprinkler was used for 20 hours. The tanaka family’s sprinkler was used for 35 hours. There was a combined total output of 2000 L of water. What was the water output rate for... more
Follows • 0
Expert Answers •1
Algebra

12/05/21

quadratic equation of the parabola that goes through the points (-1,0)(4,0)(-0,-1)
Follows • 1
Expert Answers •1
Algebra

12/05/21

Algebra age word problem
Pepay's age is one more that twice Nikk'si age. If the sum of their ages four years ago is seventeen, how old is Nikki and Pepay? ​
Follows • 2
Expert Answers •1
Algebra

12/05/21

I cant seem to figure this one out
The polynomial −2t2−7t+3 gives the height, in feet, of a ball t seconds after it is tossed into the air, from an initial height of 3 feet. Find the height after t=3 seconds.
Follows • 1
Expert Answers •1

12/04/21

Find the discriminant and determine the number of​ x-intercepts
f(x) = 2x2 + 2x - 4I got that the discriminant is 36The x-intercepts are (1,0), (-2,0) does that mean the number of x-intercepts is 2 or 3?
Follows • 1
Expert Answers •1

12/04/21

Find a safe speed limit x for an airport taxiway curve with the given radius R by using R = 1/2 times x^2
R = 481 feetSimplify your answer. Round your answer to the nearest integer as needed.I got 481 = 1/2 times x2 = 31 or -31 but I also got square root of +/- 962I don't know which answer is correct.
Follows • 1
Expert Answers •1

12/04/21

Past and future carbon emissions in billions of metric tons during year x can be modeled by...
C(x) = 1/225 times x2 - 1331/75 times x + 443,034/25, where 1989 </ x </ 2019a) Evaluate C(1989). Interpret your answer.(Do not round until the final answer. Then round to two decimal places... more
Follows • 1
Expert Answers •1

12/04/21

Find the minimum​ y-value on the graph of y = f(x)
f(x) = x2 + 2x - 9
Follows • 1
Expert Answers •1
Algebra

12/04/21

A certain forest covers an area of 2200 km2. Suppose that each year this area decreases by 4.75%. What will the area be after 10 years?
Follows • 2
Expert Answers •1
Algebra

12/04/21

mixing solutions

how many liters of 30% alcohol solution must be mixed with 20 liters of a 50% solution to get a 40% solution?
Follows • 0
Expert Answers •1

12/04/21

Given the triangle ABC, if side b is 33 ft., side c is 18 ft., and angle A is 52 °, find side a. Please round to one decimal.
Follows • 1
Expert Answers •1

12/03/21

Solve Quadratic Equations by Quadratic Formula
The height in feet h of an object shot upwards in to the air with initial velocity v0 after t seconds is given by the formula h(t) = −16t^2 + (v0)tA firework is shot upwards with an initial... more
Follows • 1
Expert Answers •1
Algebra

12/03/21

diagonal of a rectangle
The width of a rectangle is 5 less than twice its length. If the area of the rectangle is 193 cm^2, what is the length of the diagonal?
Follows • 1
Expert Answers •1
Algebra

12/03/21

After two minutes of cooling, it was at 178 degrees and after five minutes of cooling it was at 154 degrees. At what temperature did the liquid start cooling? Show how you arrived at your answer.
Follows • 1
Expert Answers •1
Algebra

12/03/21

After two minutes of cooling, it was at 178 degrees and after five minutes of cooling it was at 154 degrees. At what temperature did the liquid start cooling? Show how you arrived at your answer.
Follows • 1
Expert Answers •1
Algebra

12/02/21

the product of 6 and 2 decreased by 1
Follows • 1
Expert Answers •1
Algebra Geometry

12/02/21

Factor the expression

-8x^2+22x-15answer choices a (2x+3)(5-4x)B (2x-3)(5-4x)c(4x+5)(2x-3)d(3-2x)(5-4x)
Follows • 1
Expert Answers •2
Algebra

12/02/21

Mitch reads 25% of a book in 75 minutes. How much more time will he need to finish reading the book?​
Follows • 1
Expert Answers •1
Algebra

12/02/21

Can you answer for me?
The length of a rectangle is five less than twice its width. Find the perimeter of this rectangle if its area is 273 yd.²
Follows • 1
Expert Answers •1

12/02/21

the width of a rectangle is two centimeters less than 8 times the length. The perimeter is 68cm. What are the width and length of the rectangle?
Follows • 1
Expert Answers •1
Algebra

12/02/21

Solving equations with one unknown.
For solving equations with one unknown, how do I know where to start finding the answer of the equation. For example, if I had the question 20−6+4k=2−2k, where would I start solving the equation.... more
Follows • 1
Expert Answers •1
Algebra Math

12/02/21

Eighty, decreased by three times a number is the same as five times the number increased by eight?
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.