10/04/22

help with precalculus..

A pebble is dropped into a calm pond, causing ripples in the form of concentric circles. The radius (in feet) of the outermost ripple is given by r(t) = 0.3t, where t is time (in seconds) after the... more
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10/04/22

Find the function that represents the total stopping distance T.
The research and development department of an automobile manufacturer has determined that when required to stop quickly to avoid an accident, the distance (in feet) a car travels during the... more
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10/04/22

Math question !
Which equation in standard form represents the line that passes through the points (–3, 7) and (4, 10)?
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10/04/22

physics question
A cannon is placed on the edge of a 300m high cliff as shown in the figure. The cannon is fired at angle of  = 30 with respect to the horizontal and the cannonball leaves the cannon at a speed of... more
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10/04/22

Find f' (x) of a function: f(x) = 2^(4x) + 4x^2
I have to find f'(x) for the function f(x)=2^(4x) + 4x^2I know the answer is supposed to be 2^(4x+2) (ln2+8x), but I'm not sure how they got this. Any help would be much appreciated!
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10/03/22

is √-3 and integer
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10/03/22

is 32/7 an integer
is 32/7 an integer
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10/03/22

A right triangle has one vertex on the graph of y=16-x^2, x>0, at (x,y), another at the origin, and the 3rd pn the positive x-axis t (x, 0). Express the area A of the triangle as a function of x.
help
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10/03/22

(a) If under these conditions it takes the bird 20min20min to travel 6km6km, what is the speed of the wind?
A seagull flies with an air speed of 14m/s14m/s straight into the wind. Include units as appropriate below.(a) If under these conditions it takes the bird 20min20min to travel 6km6km, what is the... more
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10/03/22

message If 50 U.S. dollars is equal to 929 Mexican pesos, how can you find the unit rate or the value of $1 in pesos

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10/03/22

What is the slope when the lines passes through (2,-5) and (4,7)
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10/03/22

the domain of f(x)= 4x+7 consists of all real numbers, represented in interval notation as…
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10/03/22

The midpoint of A B is at ( 3 , 3 ) . If A = ( − 8 , 7 ) , find B .
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10/03/22

Find an equation for the perpendicular bisector of the line segment whose endpoints are (1,6) and (-9,-2)
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10/02/22

A plane is headed due west with an air speed of 215 m/s. The wind blows south at 20.0 m/s. Find the velocity of the plane relative to the earth.
Find the velocity of the plane relative to the earth.magnitude: 215 m/sdirection:  ? degrees south of westhow do i find the direction
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10/02/22

I need an equation with a variable on both sides that equals 4
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10/02/22

Linear Regression
Statistics students in Oxnard College sampled 10 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The data are shown below: Number of Pages... more
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10/02/22

hellooooo help !!
multiply a number by 3 and subtract 40 from it. this yields the same outcome as the sum of 1/2 of the number and 100. find the number.idk how to do the last part it's confusing me
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10/02/22

What is the height of the cliff

A ballis launched at a bottom of a cliff with initial speed v0=40m/s directed at an angle of theta= 42° above the horizontal towards a cliff with height x. The ball hits the cliff 4.50s after the... more
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10/01/22

My tutor did not come to my lesson. Will I be charged?
I had a lesson with a tutor but she never came. I was waiting fro 20 minutes and I didn't get any response. Will I be charged for this?
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10/01/22

The mass of the larger block
In the diagram below, a worker drags two blocks on a frictionless surface. The work pulls on the first cord, which is connected to the smaller block and at an angle of q = 32.0O above the... more
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09/27/22

Word algebra problem
the total of two numbers is 149. let x represent one of the numbers write an algebraic expression for the other number
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09/26/22

Linear Decrease

the population of a town today is 20000 people.(a) If the population decreases linearly and the decrease is 9% in the first year, what will the town's population be in 10 years?
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09/26/22

The sum of three consecutive even integers is −312.

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09/26/22

Algebra II question
   f(x)= 6x-5 /9x+2 Evaluate: f(-a), -f(a), f(a+h)f(x) = −4x2 + 2x − 9Evaluate: -f(a), f(a+h)
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