One quantity is proportional to another if it is a nonzero, constant multiple of the other. Thus, the statement “y is proportional to x” can be expressed using the formula y = cx, where...
One quantity is proportional to another if it is a nonzero, constant multiple of the other. Thus, the statement “y is proportional to x” can be expressed using the formula y = cx, where...
$11,335 is invested, part at 9% and rest at 6%. if the interest earned from the amount invested at 9% exceeds the interest earned from the amount invested at 6% by $865.35, how much is invested at...
To make a package that weighs 1 and a half pounds,Noah can put 2 tomatoes that weigh 3/4 pound each with 4 tomatoes that weighs 3/8 pound each. There will be 2 tomatoes left with a total weight...
The half-life of a radioactive substance is 2 hours. If 180 grams are present initially, how many grams will be present in 5.2 hours?
The height h, in feet, of a golf ball t seconds after it has been hit is given by the equation h = −16t2 + 62t. How many seconds after the ball is hit will the height of the ball be 42 feet? Round...
You want to buy a $252,000 home. You plan to pay 15% as a down payment, and take out a 30 year fixed loan for the rest. a) How much is the loan amount going to be? b)...
You want to be able to withdraw $40,000 from your account each year for 30 years after you retire. If you expect to retire in 20 years and your account earns 7.8% interest compounded annually: a)...
If $500 is deposited to an account paying 4.2% interested compounded semiannually, how long it will take for the account to increase to $900? (Round your answer to the whole nu...
This is a math problem I need solved ASAP Thanks.
This is a math problem for my school.
x^3-3x^2-4x+12=0
1)) (write and equation) A truck leaves a house and travels at a steady rate of 40mi/h. the family leaves the house 1 hour later following the same route. they travel at a steady rate of...
Please help me thanks!
x^3-11/4 x^2+5/4 x+1/2=0
3x^3-11x^2-6x+8=0
You decide to contribute to a mutual fund that averages 4.6% return per year. If you contribute $550 quarterly. Round all answers to the nearest cent as needed. a) How much will...
The fox movie theater has 360 seats. There are 500 student in the 6th grade. if 80% of the 6 gradd studento want to go to the fox theater for a class field trip,will there be enough seats...
when marissa family entered the galaxy movie theater,45% of the 600 seats were filled.How many people were already in the theater
The temperature distribution in a semi-infinite rod follows the diffusion equation k(∂2u/∂x2)= ∂u/∂t The temperature of the rod at x=0 is varied (relative to temperature T0)...
The mean grade for the class is 73.