12/02/20

Question of Math
Given the following information, write an equation in standard form to represent the specific line that is perpendicular to 2x - 5y = 10 and has the same y-intercept as 3x - 4y = -12.I need to know... more
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12/02/20

You have one type of chocolate that sells for $2.30/lb and another type of chocolate that sells for $5.90/lb.
You would like to have 21.6 lbs of a chocolate mixture that sells for $3.30/lb. How much of each chocolate will you need to obtain the desired mixture?
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12/02/20

Sally's $ 1800 savings is in two accounts. Her total interest for the year was $ 93 from one account earning 6 % interest and another earning 3 % interest.
How much does she have in each account?
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12/02/20

Find the area of the region that lies inside both curves. r = 9 sin(𝜃), r = 9 cos(𝜃)
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12/01/20

Domain question

(1/4)(2-x)/x>642i need to find domain
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12/01/20

Logarithm question

Log1/x243=5i couldn’t figure it outi need to find the domain and the solution
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12/01/20

Logarithm question

Log2(x+1)-log2(x-1)=1find the domain and solutioni got x<-1, x>1 for my initial answer for the domain and then I got x=3 for my solution but it’s wrong.
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12/01/20

Parallels and Distance
Given the parallel lines   and  with equations      and     , respectively. Use the following questions to find the distance between the two lines. Find the line perpendicular to the two initial... more
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11/30/20

Katy invests a total of $20,000 in two accounts paying 10% and 13% annual interest, respectively. How much was invested in each account if, after one year, the total interest was $2,375.00.
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11/30/20

If 87 people attend a concert and tickets for adults cost $3 while tickets for children cost $2 and total receipts for the concert was $208, how many of each went to the concert?
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11/30/20

calculus help me
Evaluate the integral ` \int x^5 (x^6 - 4)^(20) dx ` by making the substitution ` u = x^6 -4 `. __________________  + C NOTE: Your answer should be in terms of x and not u.
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11/30/20

f is a differentiable function for all x. Which of the following statements must be true?
f is a differentiable function for all x. Which of the following statements must be true?(2 points) A II only B III only C I and II only D II and III only
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11/28/20

One side of a triangle is 3 cm shorter than a second side. The remaining side is 5 cm longer than the second side. The perimeter is 38 cm. Find the length of each side.
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11/28/20

for 1-3 describe any transformation that would occur to change the parent graph to the new graph

parent: y=x^2 New: y=2-x^2 _______________________ Parent: y=lxl New: y+lx+2l _______________________ parent: y=x^3 New: y=1/2 ^3 squareroot of x ______________
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11/26/20

Calculus Question
Find the differential dy of function f(x) = √x+1 when x0= 0 is used to approximate √1.1
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11/25/20

A man in a rowboat is at point P, 5 miles away ... below
A man in a rowboat is at point P, 5 miles away from the nearest point A on a straight line shore. He wishes to reach a point B, six miles from A along the shore, in the shortest possible time.... more
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11/24/20

Substitution Integral Question
Use the substitutions tan(x/2) = tdx = 2/(1+t2)and evaluate∫1/(3-5sin(x))dx
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11/24/20

Logarithm question:)
Log3(3-x)+log3(4-x)=1+2 log 32i got the answer which is x=0, but I can’t figure out what the domain of it is. I got 3<x<4. what I need to answer: what is the domain?
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11/24/20

Logarithm question :)
Log225125-log2255I got 1 as my initial answer but apparently it’s wrong :(
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11/24/20

High school geometry
Use the vertices of /\ ABC and /\ DEF to show that <A=<D (= equals congruent to)(/\ equals triangle)9. A(l, 2), B(4, -3), C(2, 5), D(4, 7), E(7, 2), F(5, 10)how to solve: Use the Distance... more
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11/23/20

calculus please help

Write the sum using sigma notation:A= __________________ B= __________________ 
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11/23/20

A pair of parametric equations is given. x = cos^3(t), y = sin^3(t), 0 ≀ t ≀ 2𝜋 Find a rectangular-coordinate equation for the curve by eliminating the parameter.
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11/22/20

Finding Tangents and Normals
Find an equation for each tangent to the curve y = 1 / (x-1) that has a slope of -1. Find an equation for each normal to the curve y = 1 / (x-1) that has a slope of 1.
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11/21/20

The Width of rectangle
The width of a rectangle is 1 less than twice its length. If the area of the rectangle is 162 cm2, what is the length of the diagonal?
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11/20/20

Find the following coefficients of the power series
Find the following coefficients of the power series9/(13+x) = ∑n=0 to ∞ CnX^nFind the following coefficients of the power seriesC0=C1=C2=C3=C4=Find the radius of convergence R of the power seriesR=
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