MelindaR
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 Melinda Rodrigues
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Questions Answered

MelindaR:
Can somebody help me solve this one?
sinx*cos³x + sin³x*cosx = 1/2
…
 updated one year ago
 41 replies
 1 Medal
Mathematics

babybri_:
Solve for x: quantity x minus 8 all over 3 equals 12
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 updated one year ago
 4 replies
 No Medals Yet
Mathematics

MelindaR:
Please someone help me!!
The inflation accumulated in the past 5 years was of 28%, and in this same period the price of a kilogram of bean…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

MelindaR:
I know this might involve many things, but can someone give me a brief explanation on why are there more irrational numbers than real number…
 updated one year ago
 44 replies
 5 Medals
Mathematics

trouble4u2c:
Is any one available for essay dialogue feedback?
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 updated one year ago
 21 replies
 1 Medal
Mathematics

MelindaR:
Please help, I'm stuck with this. The points A(2,1) and B(1,5) are consecutive vertexes of a rectangle ABCD, find the other vertexes knowin…
 updated one year ago
 15 replies
 4 Medals
Mathematics

Kbell92:
How did the Enlightenment influence how 18th century monarchs ruled?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

thebomblol:
What were the causes of World War I?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

MelindaR:
Can someone help me here, please?
Consider a triangle ABC. Given the vertex A=(4,1), the AB midpoint M=(2, 1) and the barycentre G=(2,0…
 updated one year ago
 12 replies
 1 Medal
Mathematics

MelindaR:
Question is in the comments
 updated one year ago
 12 replies
 1 Medal
Mathematics

kaisan:
use the law of sines to find the indicated angle(more in comments)
 updated one year ago
 12 replies
 3 Medals
Mathematics

jollysailorbold:
Find the total area for the regular pyramid.
https://media.glynlyon.com/a_matgeo_2011/7/groupi74.gif
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 updated one year ago
 4 replies
 2 Medals
Mathematics

MelindaR:
I need to prove this is a natural number, but don't say the answer please, I just want the first step.
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

MelindaR:
Can someone please check my work?
Find the sum of the roots of sin2x = sin x in the interval [0, 2pi].
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 updated one year ago
 7 replies
 3 Medals
Mathematics

MelindaR:
How can I solve sin 70 cos 50 + sin 50 cos 70 without using a calculator?
 updated one year ago
 2 replies
 1 Medal
Mathematics

cherry_pie:
When dividing both sides of an inequality by a negative number, the direction of the inequality symbol remains the same true?
 updated one year ago
 1 reply
 1 Medal
Mathematics

kaisan:
find the reference angle of the given angle: 150 degrees(more info in comments)
 updated one year ago
 45 replies
 1 Medal
Mathematics

LiliaKarina:
I have a doubt about a letter of recommendation. It's for a High School student and I have to write it as if I were the teacher of this stud…
 updated one year ago
 4 replies
 1 Medal
Mathematics

MelindaR:
What's the sum of the roots of sin x (2sin x  1) = 2sin x  1? Can someone check my work and help me find out where I'm making mistakes?
…
 updated one year ago
 7 replies
 1 Medal
Mathematics

MelindaR:
Can someone help me, please? I'm getting nowhere with this...
Consider sin x = 2/3 and 0 < x < pi/2, what's the value of (sec x + cosec x…
 updated one year ago
 34 replies
 2 Medals
Mathematics

hossam1122:
prove that sin54sin18=1/2
 updated one year ago
 11 replies
 2 Medals
Mathematics

MelindaR:
Can someone help me understand this concept by
Karl Marx?
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 updated one year ago
 2 replies
 No Medals Yet
Mathematics

jsea:
Trig Identities: 1+cosθ/1cosθ=1+1/cosθ/1/cosθ1
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

MelindaR:
Consider f(x) = 5f(x1) and f(1) = 2. I'm having trouble trying to find f(1), please help!
 updated one year ago
 4 replies
 2 Medals
Mathematics

MelindaR:
xf(x) + 2f(2/x) = x + 1 (x isn't 0)
I need to find f(x), answer is 1/x. I've tried everything but I just don't get it, can someone help me …
 updated one year ago
 20 replies
 2 Medals
Mathematics

MelindaR:
what harm does carbon dioxide cause to health?
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

Pluto113:
A room measures 11 ft x 12 ft x 9 ft. What is the volume?
A. 1188 ft3
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 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

MelindaR:
I need help in understanding this
A carpenter painted of blue all the faces of a solid block of wood and then cut it into small cubes wit…
 updated 2 years ago
 21 replies
 2 Medals
Mathematics

myles33:
Given that the points (3, 2) and (1, 2) are vertices of a square, what two sets of coordinates could form the other two vertices?
 updated 2 years ago
 4 replies
 3 Medals
Mathematics

ChinaGurl:
CHECK OUT MY ATTACHMENT
…
 updated 2 years ago
 10 replies
 1 Medal
Mathematics
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