05/15/17

Quantitative Aptitude

Divide 1870 into three parts in such a way that half of first part, one -third of second part and one-sixth of the third part all are equal?  

05/14/17

a math class has 7 girls and 1 boy in the seventh grade and 2 girls and 6 boys in the eight grade.

a math class has 7 girls and 1 boy in the seventh grade and 2 girls and 6 boys in the eight grade. The teacher randomly selects a seventh grader and an eight grader from the class for a... more

05/14/17

(3-2x+3x^2+2)(5)

Let f(x)= 3-2x, g(x)= square root of x, h(x)= 3x^2+2. Find the indicated values. 

find the domain of 8/8 + e^x using interval notation

 I need help finding the domain and putting it in interval notation.

05/13/17

You draw two cards from a standard deck of cards. What is the probability that you draw two diamonds with replacement ?

This is really hard for me to solve, so if you can help, I appreciate!

Solve the exponential equation. Give your answer to four decimal places when necessary. 8^(4x) = 9^x

I don't have a sample problem like this.  Please show all steps.

05/12/17

word problem....i can't even begin to figure out where to start

The monthly income I, in dollars, from a new product is given by I(t) = 86000 − 65000e−0.003twhere t is the time, in months, since the product was first put on the market. (Round your answers to... more

05/12/17

Rate of change How do you do this ????????? the online lecture is no help really

Find the average rate of change of(x)=x^3−6x+5:(a) From−8 to −5(b) From −2 to 4(c) From 4 to 5

What is the total of $2.89 for every $100. On $12600?

I am calculating how much my vehicle licensing will be. It is $2.89 for every  $100. Total value is $12600.

05/11/17

i(sqrt 6 - sqrt 2 i)

find the polar form with the argument Θ between o and 2pi

05/11/17

Twice the difference of a number and 3 equals 2

I need help a lt of help  

algebra word question - distance

The distance from the centre of a clock to the tip of its second hand is 6 cm. How far, to the nearest metre, will the tip of the second hand travel in one day?

What does 551 r 5 round up to

when you divide 3311 t gives you 551r5  

please HELP ME answer this

For the statement, find the constant of variation and the variation equation. y varies jointly as x and the cube of z;=112 when x=77 and z =2Find the constant of variation k.

Circles and radius

Centered 7 meters above the ground, a ferris wheel of radius 6 meters is rotating with angular speed 24 degrees per second.   a) Assuming that you begin at time t=0 seconds at the lowest point on... more

Formula of parabola

A softball crosses home plate at a height of 4 feet, and the batter hits the ball. The path of the ball is described by h=-1/729(x-162)^2+40, where x represents the distance from home plate and h... more

05/08/17

AP Calculus Integration Question

The question is to integrate from 0 to 1 (3x-2)^2 dx. At first I got (1/9)(3x-2)^3 and then substituted in 1 to get 1/9 as the answer but for some reason this answer is incorrect. When I checked... more

05/08/17

Change the exponential expression to an equivalent expression involving a logarithm. 43/2 = 8

Change the exponential expression to an equivalentexpression involving a logarithm. 43/2 = 8

The fuel economy (in miles per gallon) of a certain car is

E(x) = −0.01x2 + 0.54x +10.4, where x is the driving speed (in miles per hour, 20 ≤ x ≤ 60). At what speed is fuel economy greatest?

Let f(x) = sqrt(x+2) and g(x) = x^2 - 2, then find f ○ g and g ○ f.

Need step by step please.

05/05/17

evaluate this equation

Evaluate y = 3 ? 2x for x = 1, 2, and 3.

05/05/17

True or false. The transfer of the beat by a moving liquid or gas is called conduction

Is it true that the transfer of heat by a moving liquid or gas is called conduction?

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