27,265 Answered Questions for the topic algebra 1
What is the domain and range for the function below
y = 6x2 + 3x +1
Algebra 1 Prealgebra
04/04/23
Half of the sum of x and 6.2 is the same as 19.6 less than x. Create and solve an equation to find x.
Please explain all your steps.
Algebra 1
04/03/23
Fraction - Problem Solving
there are 50 black sheep and 42 white sheep in a paddock. How many black sheep must be removed so that 1/3 of the remaining sheep are black
Algebra 1 Math
04/03/23
U4.L1.HW: Exponential Functions: Question 23
Answer each of the blank lines and explain your answers afterwards.The number of bacteria in a culture is given by the function n(t) = 989e0.45twhere t is measured in hours.(a) What is the...
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A farmer builds a rectangular grid of pens with 1 row and 5 columns using 650 feet of fencing. What dimensions will maximize the total area of the pen?
The total width of each row of the pens should be ???the total height of each column of pens should be???maximum area???
Algebra 1
04/03/23
A number minus four is less than thirteen
Algebra 1 Math
04/03/23
U4.L1.HW: Exponential Functions: Question 25
Explain your answer upon finishing.A vehicle purchased for $25000 depreciates at a constant rate of 4%. Determine the approximate value of the vehicle 12 years after purchase.Round to the nearest...
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Algebra 1 Math
04/03/23
U4.L1.HW: Exponential Functions: Question 24
Explain your answer afterwards.A population numbers 17,000 organisms initially and decreases by 7% each year.Suppose represents population, and the number of years of growth. An exponential model...
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A square with sides of length a and a center at the origin has two sides parallel to the x-axis. Find the polar coordinates of the vertices. Choose the correct answer below. Select all that apply.
A square with sides of length a and a center at the origin has two sides parallel to the x-axis. Find the polar coordinates of the vertices. Choose the correct answer below. Select all that apply.
Algebra 1
04/03/23
math word problem
My cell phone company charges $49 per month plus $0.10 per minute for long distance calls. Write an equation that represents the total cost C for x minutes of long distance calls. How many minutes...
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Algebra 1 Algebra 2
04/03/23
Board problem for solving.
Numbers from 1 to 20 are written on a board. In every move, You erase any 3 numbers present on the board (say a b and c') .You immediately write 2 new numbers (a+b+c)/3 and 3abc/(a+b+c).Answer the...
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Algebra 1 Math
04/02/23
U4.L1.HW: Exponential Functions: Question 22
How much would you need to deposit in an account now in order to have $3000 in the account in 10 years? Assume the account earns 6% interest compounded monthly.$____________
Algebra 1 Math
04/02/23
U4.L1.HW: Exponential Functions: Question 21
Answer each of the following methods. Then explain your answers afterwards.If 9600 dollars is invested at an interest rate of 9% per year, find the value of the investment at the end of 5 years for...
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Algebra 1
04/02/23
Two systems of equations are given. Choose the best description of its solution. if applicable, give the solution.
System Ax-3y=-9-x+3y=9
The system has no solution.
The system has a unique solution: (x,y) = ( , )
The system has infinitely many solutions. They must satisfy the following...
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I have a boundary-value problem that need to be solved using laplace transform
∂^2u/∂x^2 = ∂^2u/∂t^2 + 2∂u/∂t + u , x>0 , t>0u(0,t) = sin 3t, t>0u(x,0)=0, ∂u/∂t |t=0 =0, x>0The answer is: u(x,t) = e^-x sin 3(t-x)u(t-x)
04/01/23
Using the graph shown in the image, solve the following questions:
The image in question is this: https://i.imgur.com/3l7Wats.jpeg.------------------------------------------
Evaluate f(c).
Solve for x: f(x) = p
Suppose f(b) = z. Find f(z).
What are the coordinates...
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Algebra 1
04/01/23
Over what interval is each function increasing and over what interval is each function decreasing? (Table in the description )
x f(x)=-0.3x^2 (x,y)____|______________|________-2 -1.2 (-2,-1.2)-1 -0.3 (-1,-0.3)0 0 ...
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Algebra 1
03/31/23
The projected value of an investment is modeled by the exponential function V(t)=30,000(1.125)t , where V(t) is the total value after t years.
What is the percent increase each year for the investment?
Algebra 1
03/31/23
The hypotenuse of a right triangle is three times the length of one of the legs.
The length of the other leg is 128‾‾‾‾√128 feet. Find the lengths of the leg and hypotenuse.
Algebra 1 Math
03/31/23
Event a: roll greater than a 5 Event b: roll something divisible by 2 or 4 or both
An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two...
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Algebra 1
03/30/23
Roberta invested $600 into a mutual fund that paid 4% interest each year compounded annually.
Write an exponential function of the form y=a(b)x to describe the value of the mutual fund then use that function to determine the value of the mutual fund in 15 years
Algebra 1
03/30/23
he function h defined by h(t)=(49+4.9t)(10−t) models the height of an object t seconds after it is dropped from a helicopter.Find or approximate the time when the object hits the ground.
please help!
03/30/23
Simple Harmonic Motion - When an insect gets caught in a spider web, its struggles cause the web to vibrate. This alerts the spider to a
When an insect gets caught in a spider web, its struggles cause the web to vibrate. This alerts the spider to a potential meal. The frequency of vibration of the web gives the spider an indication...
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Algebra 1
03/30/23
Difference in production
In order for option a to produce a larger income you will need to sell at least $ of jewelry each yearoption a: base salary of 14,000 with a commission of 11% of your salesoption b base salary of...
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