12/17/18

What is the y-intercept of the line y=20x

Can anyone help me with this?

What is the slope of any line parallel to the line, y= -8/9x + 4, in the standard (x,y) coordinate plane?

12/14/18

calculus question

The amount of​ carbon-14 present in animal bones after t years is given by ​P(t)equals=Upper P 0 e Superscript negative 0.00012 tP0e−0.00012t. A bone has lost 24​% of its​ carbon-14. How old is... more

find the value of r

find the value of r so that the line that passes through (5,-2) and (r,4)has a slope of 3/2

12/03/18

I need help manipulating a formula to solve for R. The formula is A=P(1+r/n)^nt

It is the compounding interest formula

Need help with math problem

Here is the problem -8x+11=35how to work it out for the answer TIA

11/26/18

Combined and ideal Gas Laws Practice

How do I determine the temperature in kelvin of 2.45 moles of gas contained in a 1.5 L canister at a pressure of 175 kPa?

11/13/18

What's the slope of a line with the equation x = 3?

11/12/18

College algebra

What lump sum must be in invested at 9%, compounded monthly, for the investment to grow to $60,000 in 15 years?

11/11/18

College algebra

Suppose the weekly cost for the production and sale of bicycles is c(x)=30x +4074 dollars and that the Italy revenue is given by r(x)=87x dollars. What is the profit on the production and sale of... more

11/11/18

College algebra

Suppose the weekly cost for the production and sale of bicycles is C(x)=30x+4074 dollars and the the total revenue is given by R(x)=87x dollars, where x is the number of bicycles. Write the... more

11/01/18

Physics Plug and Chug

Q=cmΔT Use the formula to find how many joules it takes to raise the temperature of 0.28 kg of water from 20∘C to 34 ∘C. For the specific heat capacity c, use 4190 J/kg⋅∘C.

Given that the table of values represents a quadratic function in the form y=ax^2+bx+c, determine the value of a.

X: -2,0,2,4,6,8,10Y: 19,1,-5,1,19,49,91Answer ChoicesA) -2/3 B) -1/4 C) 4 D) 3/2 E) None of these

The table of values is consistent with a quadratic function. (True or False)

X: -1, 0,1, 2, 3, 4, 5Y: 1.75, 2.5, 3.25, 2.5, 1.75, 1, 0.25I chose True and was marked incorrect, If anyone could explain why it would help.

10/23/18

College algebra

If f(x) = 4x+3, evaluate f (x+h). I’m not sure how to solve this.

10/21/18

algebra question

A state’s population as a function of time t (in years) is given by P(t) = 34,178,000 + 78,000t and its health care costs are given by C(t) = 47,863,000 + 430,500t + 178t2 a. Create the function... more

10/18/18

System of equations with logarithms (answer confirmation)

loga​(xloga​(xloga​(x)4)3)2=a64 ,xax=a2ax+1 solve for x.i've got this system of equations from college and supposedly the answer is x = 2 as integer, at least that's what my college book... more

10/16/18

Math word problem

Suppose that you borrow ​$2000.00 from a friend and promise to pay back ​$2820.00 in 22 years. What simple interest rate will you​ pay?

10/15/18

Math Word Problem

What annual compound interest rate is required for a $18837 investment to grow into $36286 in 12 years if interest is compounded monthly?Round your answer to the nearest tenth of a percent. 

10/08/18

A principal of $2100 is invested at 4% interest, compounded annually. How much will the investment be worth after 15 years?

 A principal of $2100 is invested at 4% interest, compounded annually. How much will the investment be worth after 15 years? 

math homework

You sell a product for $45. Your weekly fixed costs are $190, and it costs you $2.60 per unit in variable costs to produce the product. If you sell 5 units this week, will you break even?

10/06/18

If Michael invests $2000 in the bank at a rate of 5.5% for 6 years how much interest will he make?

If Michael invests $2000 in the bank at a rate of 5.5% for 6 years how much interest will he make?

What is the coordinate of point W in the unit circle?

If the angle is 300° and has a radius of 11.

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