310 Answered Questions for the topic Alegbra

07/21/19

general chemistry

The specific heat of a certain type of cooking oil is 0.418 cal/(g·°C). How much heat energy is needed to raise the temperature of 0.959 kg of this oil from 23.0 °C to 60.0 °C?

06/14/19

Word Problem PreCal.

The revenue function is given by R(x)=x⋅p(x) dollars where x is the number of units sold and p(x) is the unit price. If p(x)=27(3)−x7, find the revenue if 7 units are sold. Round to two decimal... more

02/17/19

Variations expressions

The distance that a free falling object falls is directly proportional to the square of the time it falls (before it hits the ground). If an object fell in 76 ft in 3 seconds, how far will it... more

02/16/19

Variation expressions

If y is directly proportional to the square root of x and y=59 when x=576, find y if x=331776 . (Round off your answer to the nearest hundredth.)

01/05/19

If 110% is 176, what is 100%?

If 110% of something (Paper, for example) is 176 sheets, what is 100% of this amount?

01/01/19

Need help fast on this

The radius of a cylindrical gift box is ​(44x+33​) inches. The height of the gift box is three times the radius. What is the surface area of the​ cylinder? Write your answer as a polynomial in... more

10/08/18

What is y in terms of a?

If 2/a-1 = 4/y where y is not equal to 0  and a is not equal to 1 , what is y in terms of a?

10/06/18

The quotient of a number in 9 increased by 43 is 51

Please solve this alegabraic equation 

10/03/18

Y=3 when x=11 what’s x when y=9

y varies directly with x

09/30/18

i need help answer

Determine the nature of the solutions to the equation: x2 + 2x - 4 = 0 A. One repeated real solution B. Two irrational solutions C. Two complex solutions D. Two rational solutions

09/30/18

help me with this

y=7x^2 is the same as the curve y=x^2 butmade skinniermade fatterStretched the graph vertically by a factor of 7Stretched the graph vertically by a factor of frac(1,7)Stretched the graph... more

09/23/18

-46 decreased by the difference between -23 and -63

please help me find the solution but also learn how to put together a equation 

09/20/18

The length of a rectangle is twice the width. What is the length of the rectangle if the perimeter is 42 cm?

The length of a rectangle is twice the width. What is the length of the rectangle if the perimeter is 42 cm?

09/15/18

A rectangle has a width of 58 centimeters and a perimeter of 236 centimeters. What is the rectangle's lenght?

A rectangle has a width of 58 centimeters and a perimeter of 236 centimeters.  What is the rectangles lenght?

09/14/18

Let f(x) be the piecewise

Let y=f(x) be the piecewise defined function given below. f(x)=⎧⎩⎨⎪⎪−x−1,0,x−1, if x≤−1, if −1<x<1, if x≥1.a. f(−2)= help (numbers) b. f(1)= 0 help (numbers) c. For what values of x is... more

09/04/18

The product of 4 less than a number and 8 more than the number

Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number.

09/02/18

5 greater than m is no more than 65 how to write this problem

 need help solving this problem

09/01/18

what is the domain of y=sqrt(tan(x))

y = sqrt ( tan(x) ) 

08/30/18

the quotient of a number and 3 , increase ny 1

whats the answer

08/26/18

find three consecutive integers such that the sum of the first and third is 49 less than three time the second

find three consecutive integers such that the sum of the first and third is 49 less than three time the second
1 3 4 5 6 7 13

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