2,575 Answered Questions for the topic Maths

Maths

11/20/20

Consecutive Odd integers

 three consecutive integers such that the smallest is equal to the sum of the middle and the greatest minus 14. 
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Maths Math Math Help

11/19/20

How to Find 8% of 45

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Maths Math Math Help

11/19/20

Write the unit rate (make sure you label): $216 for 12 tickets
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11/19/20

The ratio of girls to boys is 5:3. If there are 40 students, how many are boys?
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11/19/20

How mancy cans of soda is the vending machine currently holding?

The vending machine can hold 210 cans of soda. If the vending machine is 30% full, how many cans of soda is the vending machine currently holding?
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11/17/20

An object moves in simple harmonic motion with period 6 minutes and amplitude 13 . At time t=0 minutes, its displacement d from rest is -13m , and initially it moves in a positive direction.
Give the equation modeling the displacement d as a function of time t.
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11/17/20

Power Series Representation of a Function
Find a power series representation for the following functions and determine the interval ofconvergence and radius of convergence.f(x) = 6x/(5x2 - 4x - 1)
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Maths Chemistry

11/17/20

density of a solution
If you dissolve 52.5 g of salt in 3.45 l of water, what is the density of that solution of salty water? In this particular example, assume that the total volume doesn’t change when salt is added to... more
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11/15/20

Linear Algebra - Linear Combination of Vectors
Consider the vectors u = (1, 2,-1) and w = (6, 4, 2) in R3, show that w = (9, 2, 7) isa linear combination of u and v and that w0 = (4, -1, 8) is not a linear combinationof u and v.
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11/14/20

Write a function that models the new path of the water
You are watering a garden. The height h (in feet) of water spraying from the garden hose can be modeled by h(x)=-0.2x^2+0.2x+1.2 , where x is the horizontal distance (in feet) from where you are... more
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11/14/20

Quadratic function and equation in one variable

A particle moves along a straight line through a fixed point O. The speed, v ms-1, is given by v =2t2 - 9t + 16, where t is the time in seconds after the particle leaves the fixed point O. Find the... more
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Maths Algebra

11/14/20

Write a recursive formula for the following arithmetic sequence. -19,-15,-11,-7
Write a recursive formula for the following arithmetic sequence.-19,-15,-11,-7
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Maths Algebra

11/14/20

Write a recursive formula for the following arithmetic sequence. -19,-15,-11,-7
Write a recursive formula for the following arithmetic sequence.-19,-15,-11,-7
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11/13/20

Farmington, New York, has plans for a new triangular park. If plotted on a coordinate grid, the vertices would be A(3, 3), B(5, −2), and C(−3, −1)
Farmington, New York, has plans for a new triangular park. If plotted on a coordinate grid, the vertices would be A(3, 3), B(5, −2), and C(−3, −1). However, a tract of land has become available... more
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Maths

11/13/20

Express the sun of 321 9/100 and 42&7/10 in decimal from
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11/13/20

The length of a parking lot is 6 yards more than the width. If the area of the parking lot is 112 square​ yards, find the dimensions of the parking lot.
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11/13/20

The ratio of the interior angles of a triangle is 5 : 7 : 8. What are the angle measures? Write the angle measures from least to greatest.
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11/13/20

A streetlight that is 9 feet tall casts a 1.5-foot-long shadow. A nearby flagpole casts a 7-foot-long shadow. What is the height of the flagpole?
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11/12/20

Taylor Series Expansion

Could you please explain how could I represent the infinite series of cos(x) using Taylor series expansion.Note that we're advised to use the following for simplification of the Taylor... more
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11/11/20

The area of a triangle is 150 cm squared. If the area of a triangle is given by the formula A=1/2bxh...
The area of a triangle is 150 cm squared. If the area of a triangle is given by the formula A=1/2bxh, write an equation which relates the triangles base, b, as a function of its height, h. (In... more
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Maths

11/11/20

Leah bought 89 of a pound of grapes. She is putting the grapes into bags that each hold 29 of a pound. How many bags will Leah need?
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Maths

11/10/20

I need help, please i dont understand. Its algebra 2
A total of $22,000 was invested, part of at 10% and part at 12%. The total yeild was $2900. How much was invested at each rate
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11/09/20

The coordinates of the endpoints of PQ are P(−2, 4) and Q(4, 1). On the same set of axes, label and state the coordinates of P"Q", the image of PQ under a T 4, 0 reflect y = −1.
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Maths Mathematics

11/09/20

Maths question that I really need help on for explaining.

By rounding each value to one significant figure estimate the cost of 3.9kg of apples at 87p per kg
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Maths Mathematics

11/09/20

Maths question that I really need help on for explaining.

By rounding each value to one significant figure estimate the cost of 3.9kg of apples at 87p per kg
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