04/16/20

I also need help with this one too
Use x for your variable.The difference of three times a number and the number is nine.
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04/16/20

Help please I’m confused

The difference of three times a number and six is nine more than the number.
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04/16/20

A question about AP calculus BC
In finding the interval of convergence for a geometric series, is an endpoint check necessary?
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04/16/20

Algebra Question
How much of a saline solution that is 20% saline should be mixed with 200 ounces of a saline solution that is 50% saline to get a solution that is 30% saline? State your solution in a complete... more
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04/15/20

Find the value of each of the six trigonometric functions (if it is defined) at the given real number t. Use your answers to complete the table. (If an answer is undefined, enter UNDEFINED.)
t= 3π / 2sin(t)=cos(t)=tan(t)=csc(t)=sec(t)=cot(t)=
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04/15/20

show that sin 3 is approximately pie-3

sin 3 is a radian. i used the formula l(x)=sin(a)+cos(a)*(x-a)i used 3.1 to estimate sin 3l(3.1)=sin(3.1)+cos(3.1)*(3-3.1)=.1414941775pie-3=.1415926536is this enough or the right way to show that... more
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04/14/20

Is This The Correct Answer?
Factor: 64a12 - m3n12(A) (32a6-m3/2n6)2(B) (4a4+mn4)(16a8-4a4mn4-m2n8)(C) (8a4-mn4)3(D) (4a4-mn4)(16a8+4a4mn4+m2n8)(E) None of the aboveFor this I got; (D) (4a4-mn4)(16a8+4a4mn4+m2n8).
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04/14/20

Gradient Function/ Derivative/Calculus

A gradient function is given by dy/dx = 102x-5. When x=0, y=8. Find the value of y when x=1
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04/13/20

what is the volume of a hemisphere with a diameter of 6.7 ft rounded to the nearest tenth of a cubic foot

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04/13/20

Dividing Rational Expressions

Multiply the following expressions. Use the   button to enter your full answer. √x
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04/13/20

taking a derivative :)thanks in advance

Take a derivative of (x^2+3x^3)/3x^2
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04/12/20

calculus question
The speed of a runner increased steadily during the first three seconds of a race. Her speed at half-second intervals is given in the table. Find lower and upper estimates for the distance that she... more
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04/11/20

How do you solve for related rates of a snowball increasing with a diameter and cm/min
A spherical snowball is being rolled down a hill in such a way that its diameter is increasing at rate of 0.2 cm/min.At what rate is the volume of the snowball increasing when the diameter is 18 cm?
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04/10/20

:( please help!!! :( really need it. Math question.

The point (1,-18) is on the graph of y=f(x). Find the point on the graph of the given transformed function.g(x)= -6f(2x)g(x)= one half f(x) *won’t let me write the one half in front of the... more
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04/10/20

Precalculas homework
Determine whether the infinite geometric series is divergent or convergent? -49/9+7/3-1+3/7-.......
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04/10/20

How long will it be before you both have the same amount of money
You have $60 and your sister has $120. You saving $7 per week and your sister is saving $5 per week. How long will it be before you and your sister have the same amount of money?
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04/10/20

If sin(x) = 1/5 and x is in quadrant I, find the exact values of the expressions without solving for x.
If sin(x) = 1/8 and x is in quadrant I, find the exact values of the expressions without solving for x.A) sin(2x)B) cos(2x)C) tan(2x)
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04/09/20

calculus, area, dimensions, height of box
An open box is to be made out of a 8-inch by 16-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting box... more
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04/09/20

calculus, area, right angle triangle

Find the maximal area of a right triangle with hypotenuse of length 3.
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04/09/20

Evaluate the integral

The graph of f(x) is given above on the interval [-1,11]. The areas bounded by the graph of f(x) and the x axis on the intervals [-1,2] , [2,6], and [ 6,10] are 4, 3, and 2 respectively. The... more
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04/09/20

Approximating Area Given Data
Let f(t) = sin(t^2). Use the trapezoidal rule with four equal subdivisions of the closed interval [0,1] to approximate area under the curve f on the interval [0,1]
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04/09/20

Parabola Question
How do I find the equation of this parabola y = ax2 + bx + cthat passes through the following points: (0,3), (1,4), (2,3) ?
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04/09/20

Hagrid is 3 offshore in a boat transporting some first years to Hogwarts
Hagrid is 3 offshore in a boat transporting some first years to Hogwarts, located 6 down a straight shoreline from a point near the boat. He can row 2 mph and they can walk 5 mph. Where should... more
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04/09/20

CALCULUS Find the Rate of Change
Find the rate of change of total​ revenue, cost, and profit with respect to time. Assume that​ R(x) and​ C(x) are in dollars.R(x)=3x, C(x)=0.001x^2+0.5x+10, when x=25 and dx/dt = 8 units per... more
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04/08/20

math problem for a class
The length of a rectangular sign is 3 feet longer than the width.If the area of the sign is 54 squared feet, find the length and the width.
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