12/10/20

What is the cost of the bicycle?

Brian and his brother Matt both want to buy the same model bicycle. Brian needs $73 more before he can afford the bike. Matt needs $65 more. If they combine their money, they will have just enough... more

12/09/20

Precalculus problem

Given that sin(x) = 4/5 with x in quadrant 2, and cos(y) =-sqrt5/5 with y in quadrant 3, find the exact value of: sin(x-y) and cos(x-y)

12/03/20

Algebra 2 question read description

A roofer requires 16 h to shingle a roof. After the roofer and an apprentice work on a roof for 12 h, the roofer moves on to another job. The apprentice requires 11 more hours to finish the job.... more

12/03/20

What is the effect on the graph of f(x)=2x+1 when g(x)=8f(x)?

A The slope of the graph of g(x) is 8 times the slope of the graph of f(x). The y-intercept changes from 1 to 8.B The slope of the graph of g(x) is 8 times the slope of the graph of f(x). The... more

12/01/20

Need help with math question!!!

Find the axis of symmetry for the parabola

11/30/20

The question is below i need the question within 5 minutes please.

Suzy was simplifying the expression (3x4)3. She wrote 9x7 as the simplified form. Suzy was incorrect.Show and explain how to simplify the expression correctly.

11/30/20

Find the standard form of the equation of the ellipse

Find the standard form of the equation of the ellipse with the given characteristics.Center: (1, 2); vertex: (−5, 2); minor axis of length 6I have tried twice and failed, could anyone help me?

11/28/20

ellipse, Thank you!

A certain bridge arch is in the shape of the top half of an ellipse 126 feet wide and 32 feet high. At what horizontal distance from the center of the arch is the height equal to 14.2 feet? Give... more

The standard equation of an ellipse w/center (0,0) Vertices(0,+-a) and foci (0,+-c) is.......

x^2/b^2+y^2/a^2=1 where b^2=a^2-c^2. The eccentricity of an ellipse,denoted by e is defined as follows.e=distance between foci/distance between the vertices =2c/2a=c/aFind the eccentricity of an... more

10/24/20

Of the following options, what could be possible first step in solving the equation 3x-1=2x+4

The answers 1.combining like terms,3x+2x=5x 2.subtracting 1 from both sides of the equation 3.subtracting 2x From both sides of the equation4.adding 4 to both sides of the equation

10/11/20

Projectile word problem

A projectile is fired upward from the ground with an initial velocity of 260 feet per second d. Assume that the height of the projectile at any time t can he described by the polynomial function... more

09/21/20

How many solutions are there to this equation?

7x - 3(x -1) = 2(2x + 3)

09/14/20

___two points are collinear.

A. NoB. SometimesC.AnyThis is for geometry, thanks.

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