07/02/20

Point Q is the centroid of △ABC . BF =
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07/02/20

If f(x)=1/x^2. find f'(x). f'(x)= lim h->0 (f(x+h)-f(x))/h
Must use the limit definition of derivatives to find the derivative
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07/02/20

Please help me with this Calculus 2 series question I am stuck on
Use the Integral Test to determine whether the series is convergent or divergent. ∞ ne−12n n = 1 ok so I know this is an integral testi know i have to take the derativeand I got... more
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06/30/20

For what values of x does the graph of f have a horizontal tangent? (Use n as your integer variable.)
For what values of x does the graph of f have a horizontal tangent? (Use n as your integer variable. Enter your answers as a comma-separated list.)f(x) = x + 2 sin(x)=________
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06/30/20

Trigonometric Substitution Integration
4.) ∫((9-25x^2)^(1/2)*dx)/(x^2)
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06/29/20

Show that x^3+px+q=0 has: (a) one real root if p>0, and (b), three real roots if 4p^3+27Q^2<0
Hello,Trying to answer the question:Show that x3+px+q=0 has: (a) one real root if p>0, and (b) three real roots if 4p3+27q2<0The 'tools' I have at my disposal for the question are the... more
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06/28/20

how many ounces of pure salt must be added to 13oz if 30% salt solution to produce a 45% solution? pure salt is 100%. round the answer to the nearest hundredth of an oz.
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06/27/20

Solve application problems using single variable linear inequalities.
If a certain city had a record low for the year of -25 degrees Celsius, and a record high of 53 degrees Celsius, find the temperatures in degrees Fahrenheit.C = 5(F - 32) / 9
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06/27/20

Solve application problems using single variable linear equations.
Landon is 6 years older than Alexandra. In 8 years the sum of their ages will be 56. How old is Landon now?
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06/26/20

I need this plz
1)Do you agree with this solution? If so then explain why. If not then why and enter the correct solution. x-1/x-3 —1/x=2/x-3(x)(x-3)(x-1)/x-3 — (x)(x-3)1/x=... more
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06/23/20

Evaluate 􏰍 (ln x)ndx where n is a whole number and x > 0.
Evaluate 􏰍 (ln x)ndx where n is a whole number and x > 0.show all work please
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06/22/20

Find the values of a and b that make f continuous everywhere.
x2 − 4 / x − 2 if x < 2f(x) = { ax2 − bx + 3 if 2 ≤ x < 3 4x − a + b if x ≥ 3a=______b=______
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06/22/20

trig function question
solve the equation:g(x)=-3cos(x times pi over 3) plus 2 g(x)= 3.5for x is an element of [0,6]** x times pi is the numerator and 3 is the denominator
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06/22/20

Equation of tangent
find the equation of the tangent to x^2 +y^2 =5 which has a gradient is -2.
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06/21/20

if you have an annual income of 25,000 the bank will loan you 74,500 at 7.5% interest rate for 30 years. if your income is 55,000 they will loan you 163,900. write the equation.
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06/21/20

The derivative of a function f is given by f′(x)=0.1x+e0.25x . At what value of x for x>0 does the line tangent to the graph of f at x have slope 2 ?
I have homework in AP calculus
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06/21/20

If a pyramid is made up of a stack of blocks in which each of the 10 layers...
If a pyramid is made up of a stack of blocks in which each of the 10 layers in the stack has 10 fewer blocks in it than the layer under it, how many blocks are there in the pyramid if the top layer... more
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06/20/20

Write a two-column proof. Given: 𝐴𝐵̅̅̅̅ || 𝐷𝐸̅̅̅̅ , 𝐴𝐷̅̅̅̅ bisects 𝐵𝐸̅̅̅̅ . Prove: △ABC ≅ △DEC using the ASA postulate
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06/17/20

Prove: The chord joining the points of contact of the tangent lines to a parabola from any point on its directrix passes through its focus.
Hello, struggling with this one and appreciate help!Prove: The chord joining the points of contact of the tangent lines to a parabola from any point on its directrix passes through its focus.For... more
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06/17/20

Sandwich Shop, Please Help.
A sandwich shop is ordering apples and grapes to make a chicken salad. Apples cost $1.25 per pound and grapes cost $2.60 per pound. If they ordered a total of 20 pounds of apples and grapes and... more
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06/16/20

Addition elimination
The system when solved is:y — x = 12y + x = -26
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06/16/20

Addition and elimination
When solving the system using the additional elimination method, which variable will cancel?y — x = 12 y + x = -26A) the x’sB) the y’sC) neither
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06/16/20

Determinant questions
What three results does a determinant give us regarding the roots of an equation? In this case, what would the determinant have to be in order to get each result? Where does the determinant come... more
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06/16/20

Show that the normal line to a parabola at one of its points P bisects the angle included between the focal radius of P and the line through P parallel to the axis of the parabola.
Show that the normal line to a parabola at one of its points P bisects the angle included between the focal radius of P and the line through P parallel to the axis of the parabola.I'm trying to... more
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06/15/20

Its math, you're used to seeing it

if f(x) = √x-1 and g(x) = √x-4, then h(x) = f(x) • g(x). The domain of h(x) can be written as [m, ∞) and the range can be written as [n,∞). What are the values of m and n?
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