2,563 Answered Questions for the topic Maths

01/24/22

Bisection Method
Suppose you need to find an approximate root of the equation (x*sin(x)) - 1 = 0 by using Bisection method. Show that there is a root in the interval [0, 2]
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01/23/22

Binomial distribution
X is a random binomial variable with a mean of 7 and a standard deviation of √2.1. Find(i) the probability of success, p (ii) the probability of failure, q (iii) the number of trials, n(iv) P(X=4)
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01/22/22

A company is offering newly hired employees three salary structures.
A company is offering newly hired employees three salary structures. One option computes raises by adding $1,000 and then a 3% increase. Another option computes raises by adding a 3% increase and... more
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01/22/22

For each situation, write a linear function using meaningful variables.
For each situation, write a linear function using meaningful variables. Find and interpret the slope and y-intercept.a). For each dollar a driver spends on gas, she can drive 15 miles. Assume she... more
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01/22/22

A local pizza place sends you online coupons.
A local pizza place sends you online coupons. You can't combine the coupons, and you are trying to choose from two deals: $6.99 per two-topping medium pizza or 20% off the regular price of $11 for... more
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01/22/22

Imagine that the price per gallon of gas with a $7 car wash is $3.19 and the price without the car wash is $3.39.
Imagine that the price per gallon of gas with a $7 car wash is $3.19 and the price without the car wash is $3.39. When is it worth it to buy the car wash? When is it worth it if the car wash costs $2? more
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01/22/22

A store charges $12.50 for 5 boxes of cookies.
A store charges $12.50 for 5 boxes of cookies. A second store charges $8.00 for 4 boxes of cookies, but you have to buy a gallon of milk for $3.00 to get that deal. Write the cost model equations... more
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01/20/22

Work out the O() running time for the following recursive function. Show all your working.
void sort(int vals[], int n) { if (n == 1) return; sort(vals, n-1); // sort first n-1 values // now insert vals[n-1] into correct position in vals[] int temp = vals[n-1]; int i = n-1; while... more
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01/17/22

Arithmetic progression
The third term of an arithmetic progression is 13 and the ninth term is 61. Find the first term and the common difference of the progression.
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01/17/22

Geometric Progression
Given that 1 + e-3x + e-6x + ..., find the value of x if S∞ = 4. Give answer correct to four significant figures.
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01/17/22

Straight line graph
A straight line graph obtained by ploting y/x against x2 .The variables x and y are related by the equation y = -1/4x3 + 9/2x. Find the value of a and of b.V(a,5)W(6,b)
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01/17/22

Evaluate the following expressions. Write your answer in degree form. Cos^(-1) √3/2
Evaluate the following expressions. Write your answer in degree form. Cos^(-1) √3/2
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01/16/22

Discount question
It costs a manufacturer $3,189 to make a product. The rate of markup is 26.00% of the selling price and it offers a markdown of 13.00% during a discount period.a. What is the regular selling... more
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01/16/22

Profit question
A company producing floral arrangements has fixed costs of $25,600 per month. Each floral arrangement sells for $19 and the variable costs are $4.90 per unit.a. Determine the number of floral... more
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01/16/22

Total revenue and selling price question
A small manufacturing company that produces and sells snow boots has variable costs of $65 per pair of boots. The fixed costs are $2,300 per month and it has to sell 80 pairs of boots to break... more
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01/16/22

Find the distance between these points in two ways: (-2,5) and (4,13).
Find the distance between these points in two ways: (-2,5) and (4,13).a). Use the point (-2,5) as (x1,y1) and the point (4,13) as (x2,y2) in the distance formula.b). Use the point (4,13) as (x1,y1)... more
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01/16/22

If you drive 5 miles east and then 4 miles south, how far are you, to the nearest tenth of a mile, from your starting point?
If you drive 5 miles east and then 4 miles south, how far are you, to the nearest tenth of a mile, from your starting point?
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01/16/22

Imagine a road on which you lose 250 feet in elevation for every mile driven.
Imagine a road on which you lose 250 feet in elevation for every mile driven.a). Draw pictures that show a loss of 500 feet in elevation over 2 miles of horizontal distance and 1,000 feet over 4... more
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01/16/22

Two examples of configuration are shown here.
Two examples of configuration are shown here.Number of tables: 2Number of tables: 3a). Complete the following sentence to interpret the rate of change in the number of chairs: Every time one table... more
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01/15/22

Find the rate of change in the following table:
Find the rate of change in the following table: x y -2 15 -1 10 0 5 1 0
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01/15/22

Find the slope of the line that passes through (-8,11) and (2,-3).
Find the slope of the line that passes through (-8,11) and (2,-3).
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01/15/22

Question on Dynamics. Finding the force
A man of 75kg is standing in the basket of a hot-air balloon. The balloon is rising at 5ms-1 and 4s later it is descending at 3ms-1. Assuming constant acceleration, find the normal contact force of... more
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01/14/22

How to determine the measures of position from this data below?
There are 40 students in a class and here are their... more
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Maths

01/13/22

The bill for a meal was $34. The customer left $50. What is the tip percentage?
i got 32% AD WAS WONDERING IF THAT WAS CORRECT.
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Maths

01/13/22

What is r decreased by 4 in algebraic expression
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