johndoe

6 Questions
0 Answers

0

4340

1

+24

question

A pick up truck is fitted with new tires which have a diameter of 40 inches. How fast will the pick up truck be moving when the wheels are rotating at 395 revolutions per minute? Express the answer in miles per hour rounded to the nearest whole number. lee mas ..

johndoe 6 sept 2016

0

1309

1

+24

question

How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t)=550e^-0.158t, where t is the time in years? ROund to the nearest hundredth year.

johndoe 6 sept 2016

0

6584

1

+24

Suppose that ln2=a and ln5=b. Use properties of logarithms to write each log in terms of a and b. -> ln20

Suppose that ln2=a and ln5=b. Use properties of logarithms to write each log in terms of a and b. -> ln20

johndoe 6 sept 2016

0

561

0

+24

Change the exponential expression to an equivalent expression involving a logarithm. 32^4/5=16

Change the exponential expression to an equivalent expression involving a logarithm. 32^4/5=16

johndoe 6 sept 2016

0

872

1

+24

Approximate the value using a calculator. Express answer rounded to three decimal places. 6^1.4

Approximate the value using a calculator. Express answer rounded to three decimal places. 6^1.4

johndoe 6 sept 2016

0

1507

4

+24

Suppose f(x)=2^x. If f(x)=1/64, what is x?

Suppose f(x)=2^x. If f(x)=1/64, what is x?

Melody ●●●●

johndoe 5 sept 2016