2,309 Answered Questions for the topic Maths

#### 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]

4d

#### 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)

5d

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 5d #### 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 5d #### 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 5d #### 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

5d

10d

#### 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.

10d

#### Geometric Progression

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

10d

#### 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)

11d

#### 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

11d

11d

#### 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

12d

#### 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

12d

#### 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?

12d

#### 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

12d

#### 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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