stephdp

28 Questions
1 Answers

+5

1565

1

+109

??:(

An investment is advertised as returning 4.5% every 6 months (semiannually), compounded semiannually. If $30,000 is invested, the growth can be modeled by the equation A(t) = 30,000(1.045)^2t. What is the equivalent annual growth rate for this investment read more ..

stephdp Feb 23, 2016

+5

1658

1

+109

help me:(

The number of hours, t, that bacteria spread 10-fold can be modeled by the equation B(t) = B0(10)^5t. There are 25 bacteria present initially and a biologist wishes to find out how many hours will elapse until there are 5,000 bacteria present. What is the read more ..

stephdp Feb 23, 2016

0

816

2

+109

:(((((

graph the following system of equations. which has two real solutions?
a.) y=x^2-2 y=-2x-5
b.) y=x^2-2 y=-2x-4
c.)y=x^2-2 y=-2x-1 read more ..

stephdp Feb 21, 2016

0

757

1

+109

help me?

what is the equations for the quadratic function graphed below?
a.) y=3(x+4)^2-5
b.)y= -3(x+4)^2+5 read more ..

stephdp Feb 21, 2016

0

1303

1

+109

4x^2 - 24x + 31 = 0 solve by completing the square?

4x^2 - 24x + 31 = 0 solve by completing the square?
A.) -3 + square root of 5/4, x=-3 - square root of 5/4
B.) x= 3 + square root of 5/4, x= 3 - square root of 5/4
C.) 1+ square root of 3/2, 1- square root of 3/2 read more ..

stephdp Feb 21, 2016

0

757

2

+109

help me?:(((

is it 21 square root of 5, irrational or
47.0 rational? read more ..

rarinstraw1195 ●●

stephdp Feb 21, 2016

0

854

0

+109

A motorcycle is depreciating at 19% per year, every year. A student's $21,000 motorcycle depreciating at this rate can be modeled by the equation V(t) =

A motorcycle is depreciating at 19% per year, every year. A student's $21,000 motorcycle depreciating at this rate can be modeled by the equation V(t) = 21,000(0.81)^t. What is an equivalent equation for this vehicle as a monthly depreciation and, using read more ..

stephdp Feb 18, 2016

0

1010

14

+109

title

atender2 ●●●●●●●●●●●●●●

stephdp Feb 18, 2016

0

1432

1

+109

The number of hours, t, that bacteria spread 10-fold can be modeled by the equation B(t) = B0(10)^7t. There are 20 bacteria present initially and a biologist

The number of hours, t, that bacteria spread 10-fold can be modeled by the equation B(t) = B0(10)^7t. There are 20 bacteria present initially and a biologist wishes to find out how many hours will elapse until there are 3,340 bacteria present. What is the read more ..

stephdp Feb 18, 2016

0

1799

1

+109

The amount of polonium-210 remaining, P(t), after t days in a sample can be modeled by the exponential function P(t) = 100e^−0.005t, where 100 represents the

The amount of polonium-210 remaining, P(t), after t days in a sample can be modeled by the exponential function P(t) = 100e^−0.005t, where 100 represents the initial number of grams in the sample. What is an equivalent expression, written as a percentage read more ..

stephdp Feb 18, 2016

+109

0

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stephdpFeb 17, 2016