2,563 Answered Questions for the topic Maths

Maths

03/11/20

maths question for homework
Mrs Charles ordered 150 pencils and 225 pens for the academy store. The pens cost 15 cents more than the pencils. Mrs Charles’ total order was $135. Mrs. Charles was quite surprised by this amount... more
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03/09/20

Need help simplifying

i need to simplify 8 x 2-5 x 3-5 over 9 x 2-7 x 81. in index form as powers of 2 and 3. the resulting answer should be 25 x 3-11 can somebody please show me the steps required to get this answer
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03/08/20

Precalc question
John has been hired to design an exciting carnival ride. Tiff, the carnival owner, has decided to create the world’s greatest ferris wheel. Tiff isn’t into math; she simply has a vision and has... more
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03/08/20

Precalc question
George and Paula are running around a circular track. George starts at the westernmost point of the track, and Paula starts at the easternmost point. The illustration below shows their starting... more
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03/08/20

A(2,2) B(11,4) C(14,8): AC is the perpendicular bisector of BD. Find the coordinates of D
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03/08/20

precalc question
Shirley is on a ferris wheel which spins at the rate of 3.2 revolutions per minute. The wheel has a radius of 45 feet, and the center of the wheel is 59 feet above the ground. After the wheel... more
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03/08/20

precalc question
Marla is running clockwise around a circular track. She runs at a constant speed of 3 meters per second. She takes 46 seconds to complete one lap of the track. From her starting point, it takes her... more
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Maths Trigonometry

03/07/20

If tanA=3/5 find the value of xsinA+ycosA. Please help!!

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03/06/20

Calculus 2 rotation question
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.y=18x-2x^2y=0about the y-axis
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Maths Algebra 2

03/04/20

a 1,200 square foot property has a base rent of $14 per square foot plus 5% of all sales over $100,000. if gross sales for the year were $350,000, what would be the monthly rent?
a 1,200 square foot property has a base rent of $14 per square foot plus 5% of all sales over $100,000. if gross sales for the year were $350,000, what would be the monthly rent?
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03/03/20

pick a number. Double it. Add 26 to this. Multiply this by 2. Divide by 4. Subtract the original number you picked. your results will always be..
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Maths Trigonometry

03/01/20

Show That (1+tan pi/6 . tan pi/3) + (tan pi/6 - tan pi/3) = sec^2pi/6. sec^2pi/3
Show that(1+tan pi/6 . tan pi/3) + (tan pi/6 - tan pi/3) = sec2pi/6. sec2pi/3
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03/01/20

Stuart and Carl share some marbles in the ratio 4:1. Stuart has 64 marbles, how many marbles were there in total?
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02/29/20

Answer to a Function Question
Hello I am new to functions and I'm unsure on two questions."Let the function be defined byf(x) = 2x2 - 2 for for 0 ≤ x <3= 28 - 4x for 3 ≤ x < 6= f (x + 6) for all xFind the values of f(0),... more
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Maths Trigonometry

02/27/20

Find x in terms of base 10 logs
Step by step, how do you answer this question:Find in terms of logarithms to the base 10, the exact value of x such that 3^2x+1=2^x-4.(Also, do you know any good sites/resources for A-Level maths... more
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02/27/20

An object of temperature 44 celsius is placed in a freezer which

An object of temperature 44 celsius is placed in a freezer which is maintained at a temperature of -16 celsius. At th end of 10 minutes, the object has cooled to a temperature of 14 celsius.... more
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Maths Prealgebra

02/26/20

In 2012, New York produced 226 million pounds more apples than Pennsylvania.Together the two states produced 1214 million pounds of apples. Find the amount of apples grown in each state.
the question needs to be answered in steps.
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02/25/20

Isosceles triangle 3D Vectors.
Question " The points A and B have position vectors 10i -23j +10k and pi +14j - 22k respectively, relative to a fixed origin O, where p is a constant.Given that ΔOAB is isosceles, find three... more
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Maths Algebra 1

02/25/20

Solving Inequalities - Maths IGCSE Grade 9
Question:Farmer Taylor is placing a fence around his field. He has 300 metres of fencing but this is not enough.a) Form an inequality in terms of xb) Solve the inequality to find the possible width... more
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Maths Algebra 1

02/25/20

A pizza company charges $12 per pizza, plus a delivery charge of $6. If p represents the number of pizzas, which expression represents the total cost of p pizzas delivered to the same location?
A pizza company charges $12 per pizza, plus a delivery charge of $6. If p represents the number of pizzas, which expression represents the total cost of p pizzas delivered to the same location?
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02/24/20

linear equation
In 1990, the cost of tuition at a large Midwestern university was $93 per credit hour. In 1999, tuition had risen to $210 per credit hour.Determine a linear equation  to represent the cost of... more
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02/24/20

Can you use Matrixes to organize this info and write a matrix that gives total and also a change
1996- number of units—CDs:20,779;cassettes:15,299 and music videos: 45.dollar value—CDs: 268,441; cassettes: 122,329; and music videos:9161997- number of units- CDs: 26,277; cassettes: 17,799; and... more
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02/24/20

Can you organize this information using matrices and write a matrix that shows the total numbers for the wins of losses of the teams?
Before-The Atlanta braves had 59 wins and 29 losses, the Seattle Mariners had 37 wins and 51 losses, and the Chicago Cubs has 48 wins and 39 losses.After-the Atlanta braves had 47 wins and 27... more
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02/24/20

more physics q's i need help with
a solar probe is orbiting the sun and its closest approach brings it approximately 1.8 x 10^10 m from the center of the sun. At this point in its orbit, it travels at a speed of 110,000 m/s. what... more
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02/24/20

need help with physics
two children are playing on a see saw. the older child has a mass of 40 kg. the younger child has a mass of 25 kg. assume that the see saw is massless and the two seats are each 1.5 m from the... more
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