113 Answered Questions for the topic Problem

Problem Math Statistic Help

12/12/20

#### intro stat question

Data collected at the elementary schools in a county’s school districts showed that each year roughly 21% of students miss exactly one day of school, 19% miss 2 days, and 15% miss 3 or more days... more
Problem Math

04/22/20

#### I need help to solve this Math Problem

X-Z = Y% of W    –(i)X-W = Z% of Y    –(ii)Y-X = Y% of (W+Z) –(iii)If, W ≠ Z, then what % is X of (W+Y+Z) ?

10/01/19

I have a test tomorrow and not sure how to solve this question, can you please help.12 people were walking home carrying a basket of fruit in each hand. If one half of the group did not have 2... more
Problem Math Calculus Slope

09/26/19

#### Use implicit differentiation to find the slope of the tangent line to the curve defined by xy^3+2xy=60 at the point (5,2)

I would appreciate if all work is shown with detailed steps! Provide the answer to the slope of the tangent line to the curve at the given point is _____.
Problem Math Calculus Slope

09/26/19

#### Find the slope of the tangent line to the curve defined by 9x^3+4xy−6y^2=1752 at the point (6,−4).

This is a derivative but I don't know how to do this question! I would appreciate if all work is shown with detailed steps! Provide the answer to the slope of the curve at the point (6,-4) is_____.

09/26/19

#### Find the slope of the tangent line to the curve defined by x^6+6xy+4y^2=176 at the point (2,4).

This is a derivative but I don't know how to do this question! I would appreciate if all work is shown with detailed steps! Provide the answer to the slope of the curve at the point (2,4) is_____.

07/07/19

#### If sinx+cosx=sqrt(2)sin(x+Aπ), then the number 0<A=___________ <2

please provide all steps for the solution

07/05/19

#### How do I solve this problem regarding divisibility from my Math Challenge class?

What remainder does the number (-50) leave after division by 7? The answer is 6. Why?

07/02/19

#### Express in terms of x: sin(2arctan(x))

PLEASE give clear steps! Thank You!If the answers ends up having square roots, can you simply it where it does not

01/23/19

#### 2x – 2y = -4 and x + y = 8

System of equations:2x – 2y = -4 and x + y = 8Solve for x and y

12/28/18

#### MATHS INVERSE TRIGNOMETRY PRINCIPAL VALUES

For finding the principal value,in this question:Find the principal value of cot-1(-1/√3)The answer is cot(π-π/3) which is cot (2π/3)why is it not just -π/3?In a similar question, Find the... more
Problem Math Calculus

10/17/18

#### Calculus Math Problem

A ladder 13 meters long rests on horizontal ground and leans against a vertical wall. The foot of the ladder is pulled away from the wall at the rate of 0.5 m/sec. How fast is the top sliding down... more
Problem Math Calculus

10/17/18

#### Calculus Math Problem

Assume that the radius r of a sphere is expanding at a rate of 60 cm/min. The volume of a sphere is V = 4/3πr^3 and its surface area is 4πr^2.Determine the rate of change in surface area at t = 2... more

07/25/18

#### Probability of Independent Events

A student ran out of time on a multiple choice exam and randomly guessed the answers for two problems. Each problem had 4 answer choices - a, b, c, d - and only one correct answer. What is the... more
Problem Math C School

04/25/18

#### if I'm getting 100% in the class, and get a 50% on my quiz, what does that average my grade to?

I have an A, and I got 21 out of 42 on a test. I'm scared I might fail, or get below a D or C, and I'm not really sure how to calculate it. Please help!
Problem

04/20/18

#### 44 gal. Of gas gets 200 miles fixed engine now 80%gets same how far can he go now on 44 gal

a car driver knows that he needs 44 gas gallons to cover a 200 miles . if the engine is adjusted and fixed he would only 80% of gas to cover same distance how many miles did he cover with 44... more
Problem

03/13/18

#### Problem solving

mr cheong saved \$765 of his salary. he gave 1/6 of his salary to his wife and spent 5/11 of remainder on transport. he had 1/4 of salary left. how much was his salary for the month?
Problem

03/06/18

#### how many birds where there at first

A flock of birds left to go to Africa together. Half went astray in fog. One Eight are lost in a sandstorm. 6 are killed Finally 42 arrive safely to Africa.
Problem

02/28/18

#### Maria has a square garden with a side length of 5 2/3 meter .what would be the area of the garden

Help with the question please it hard

02/20/18

#### Please, give an appropriate mathematical statement for the following problem

An open box is to be formed out of a rectangle piece of cardboard whose length is 12cm longer than its width. To form the box, a square of side 5 cm will be removed from each corner of the... more
Problem

01/27/18

#### One third of a number is twelve less than one half of the number

this is a hard question I need help

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