2,563 Answered Questions for the topic Maths

04/14/20

Math problem. Diamond problem
The top is negative 22.8 and the bottom is negative 7 I need to figure out both sides can someone help pls
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04/14/20

Math question please answer full details
A small plot of land is used for a Garden. It has a length of "x" ft., and a width that is 40ft less than its length. A farmer will only use the land if it's area measures 2100 square feet. What... more
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Maths Math

04/13/20

The perimeter of a rectangular hotel room is 68 feet. It is 10 feet wide. How long is it?
3. The perimeter of a rectangular hotel room is 68 feet. It is 10 feet wide. How long is it?4. Each side of a square piece of tissue paper is 5 centimeters long. What is the tissue paper's... more
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Maths

04/11/20

Fraction Decimal
The City Cabs charge $1.20 for the first quarter of a mile, and $0.35 for each additional quarter of a mile. What is the cost of a trip from the airport to the city centre, a distance of eight and... more
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Maths

04/11/20

7 less than the product of 8 and 90 is
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Maths Statistics

04/10/20

Statistical and probability problems. Need help understanding.

A girl has exactly enough money to buy three sweaters and two skirts, or three skirts and no sweaters. All sweaters are the same price, and all skirts are the same price. What is the maximum number... more
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Maths Math Algebra

04/07/20

If n is any integer, in the simplest expression how would you write an odd multiple of 5?
The exact question is write the simplest expression you can to match each description using n. Let n be any integer. -an odd multiple of 5___ I've tried lots of things and they've all been wrong,... more
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04/07/20

Question 3 Calculus
Sketch the circle r = 3 cos θ and cardioids  r = 1 + cos θ on the same axis.a)         Find the area inside both the circle and cardioid.b)         Find the arc length of that part of the cardioid... more
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Maths Calculus

04/07/20

Question 1 Calculus

A plane region is bounded by the curve y  =  x2 ,  y  =  4x ,  x  =  0  and x  =  1.a)         Find the area of the plane.b)         Calculate the centroid of the plane.    
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04/06/20

Consider a complex number 𝑧 = 𝑎 + 𝑖𝑏 where 𝑎 and 𝑏 are real. Evaluate |𝑖𝑅𝑒(𝑖𝑧) + 𝐼𝑚(𝑧)| .
Need Quickk help on this question since my understanding of complex numbers isnt the best. Consider a complex number 𝑧 = 𝑎 + 𝑖𝑏 where 𝑎 and 𝑏 are real. Evaluate |𝑖𝑅𝑒(𝑖𝑧) + 𝐼𝑚(𝑧)| .
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04/06/20

limit quesiton need help
I need help on a relatively simple limit equation. If possible, evaluate:lim (4(8−𝑥))/(𝑥^2 2−64)𝑥→8
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04/06/20

Math word problem
I need some assistance with a question involving complex numbers. The question is:Consider the complex number: 𝑧 = 3 − 3 𝑖. Evaluate:(i) 𝐼𝑚(𝑧) (ii) |𝑧| (iii) 𝐴𝑟𝑔(𝑧)
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04/06/20

Suppose you drive an average of 13,000 miles per​ year, and your car gets 25 miles per gallon. Suppose gasoline costs ​$3.20 a gallon.
a. How much money do you spend each year on​ gasoline? b. You plan to trade in your car for one that gets x more miles per gallon. Write an expression to represent the new yearly cost of gasoline.... more
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04/03/20

How can i show and prove rigorously that for all integers, i can paint all these segments red?
Three counters, A, B, C are placed at the corners of an equilateral triangle of side n. The triangle is divided into triangles of side length 1. Initially all lines of the figure are painted blue.... more
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04/02/20

Math problem need help.

Use the function to find the following values if any Exist. Need help don’t understand please explain each.F(x)= 2x-1(a) f(3+4)(b) f(3) + f(4)(c) f(3) - f(4)(d) f( 3.4)
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Maths Probability

03/31/20

If there is a 1% probability (of getting an item in a loot box for example) of getting a thing, and you do this 100 times, what is the resulting probability that you get what you want?
e.gA loot box has an item that has a 1% drop rate. This will neither increase nor decrease from the 1st to the last draw. If I draw this 100 times, what is the overall probability of getting what I... more
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Maths

03/30/20

maths question!
Simplify the following expression by combining like terms: 4a2 - 3a - a2 +5a
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Maths

03/23/20

Maths Volume Question
I'm having difficulty with solving this question. Im squaring the e^2x etc and still cannot seem to get the correct answer ?Any help or pointers greatly appreciated!!The region bounded by y=e^2x,... more
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Maths

03/21/20

What’s the answer for three angles 50 degrees and 40 degrees
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03/21/20

I’ve gotten it wrong many times
After beginning a new position with 9 established accounts, a salesman made it his objective to add 3 new accounts every month. His goal was to reach 51 accounts. At this rate, how many months... more
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03/19/20

Precalc Question (answer asap thanks)
A merry-go-round is rotating at the constant angular speed of 3 RPM counterclockwise. The platform of this ride is a circular disc of radius 24 feet. You jump onto the ride at the location pictured... more
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03/18/20

Math question distance

A handbag is dropped from the top of Centre Point Tower. The distance s travelled after t seconds is given by the formula s=4.9t2. For this falling handbag, find the instantaneous velocity... more
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Maths Algebra 1

03/18/20

If it takes 3 people 20 hours to dig a hole, how long does it take 5 people?

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03/17/20

Trigonometry Bearing Question
A sailing boat sails south for 117 km, then on a bearing of 051° until it is due east of its starting point. How far is the boat from its starting point?
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03/15/20

maths problems.

a light flashes every 7 minutes. How many times will it flash in 2 minutes
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