2,684 Answered Questions for the topic SAT math

Sat Math Math Calculus

02/20/22

Evaluate integral

Does anyone know how to integrate this one simply, without using substitution?∫34 (((√x - 2)/(√x + 2)) + ((√x + 2)/(√x - 2))) (x-4) dx

02/19/22

I need to know the detailed solution+explanation of this problem

The fifth term in the expansion of (ax+by)^n is 560x^3y^4. Find the values of a and b, given that a and b are integers. The solution book says that the binomial coefficient is 7 choose 4 which is... more
Sat Math Math Polynomials

02/19/22

A subatomic particle created in the upper atmosphere travels at 6 x 107 meters per second.It travels a distance of 3x10–4 meters before it radioactively decays.

How much time does the subatomic particle take to cover this distance?
Sat Math Math

02/19/22

Question related with percents

A total of 650 toys were made during 6 months, by how much percent the production was greater if it was intended that during 3 months there will made 90 toys.How to solve problems like this?

02/18/22

Function math please help on how to find a+b from the equation?

For any rational number x, y, function f(x) is a real number and f(x+y) = f(x)f(y) - f(xy) + 1. Again f(2017) ≠ f(2018). f(2017/2018) = a/b, where a , b are co-prime. What is a+b?

02/17/22

The oak is 152 years older than the birch. In 25 years, the oak will be 3 times older than the birch. How old is Birch?

The oak is 152 years older than the birch. In 25 years, the oak will be 3 times older than the birch.How old is Birch?

02/14/22

Finding maximum/minimum area

A square or a rectangle, whose length is 3 times greater than width, or both figures, are being wrapped up with a 24 m rope. What is the largest and the smallest area you can wrap up with the rope?

02/11/22

Solve this problem on radical

Write the given , draw a figure then show the solution.2. A kite is secured to a rope that is tied to the ground . A breeze blows the kite so that the rope is taugh while the kite is directly above... more

02/11/22

Solve this problem on radical

Write the given , draw a figure then show the solution.1. ) A cube has a surface area of 72 mm Find the length of an edge of the cube.

02/10/22

Solve problems on radicals

Write the given , draw a figure then show the solution .  1. ) A cube has a surface area of 72 mm Find the length of an edge of the cube.2. A kite is secured to a rope that is tied to the ground .... more

02/09/22

Solve problems on radicals

Write the given , draw a figure then show the solution. 1. ) A cube has a surface area of 72 mm². Find the length of an edge of the cube.2. A kite is secured to a rope that is tied to the ground .... more
Sat Math

02/07/22

square root of x^2-2x-24

Sat Math Algebra Ii

02/04/22

How large is the first tank? If ....

There are 10 tanks, A, B, ...J.Tank B has the same capacity as tank A.Tank C has 1/2 the capacity of tank B,Tank D has 1/3 the capacity of tank C.Tank E has 1/4 the capacity of tank D. etc....Tank... more
Sat Math Geometry Algebra

02/04/22

SAT practice problems

1.) Graphene, which is used in the manufacture of integrated circuits, is so thin that a sheet weighing one ounce can cover up to 7 football fields. If a football field had an area of approximately... more
Sat Math

02/01/22

one plane is ascending at a rate of 40ft per minute. Another plane is ascending at a rate of 3800ft of 120ft per minute. How long will it take the planes to be at the same altitude

one plane is ascending at a rate of 40ft per minute. Another plane is ascending at a rate of 3800ft of 120ft per minute. How long will it take the planes to be at the same altitude
Sat Math

02/01/22

one plane is ascending at a rate of 40ft per minute. Another plane is ascending at a rate of 3800ft of 120ft per minute. How long will it take the planes to be at the same altitude

one plane is ascending at a rate of 40ft per minute. Another plane is ascending at a rate of 3800ft of 120ft per minute. How long will it take the planes to be at the same altitude

01/28/22

Simple Interest question

Andrianna borrowed $1925 from Thomas on March 18, 2019 and agreed to pay it back with simple interest at the rate of 11.5% on September 3, 2019. How much interest did she owe on the due date?

01/28/22

Interest question

How much must Jiaxing invest in an 8-month term deposit earning 3.2% p.a. in order to earn $550 in interest?

01/27/22

Semi-annually payment question

You owe $9000 payable 4 years from now. What alternative amount should your creditor be willing to accept today if the money can earn 4.8% compounded semi-annually?

01/27/22

Price markup quesion

A designer clothing store bought suits for $455. The markup is 75% of the cost price. a. What is the dollar amount of the markup? b. What is the selling price? c. What is the rate of markdown if... more

01/27/22

Markup question

ProSkate sells equipment for $75. They buy the equipment at wholesale for $45. a. What is the dollar amount of the markup? b. What is the rate of markup on cost? c. What is the Sale price if the... more

01/27/22

Variable and fixed cost question

Market research for a new product indicates that it can be sold for $65 per unit. The variable cost is $45 and the fixed cost per month is $8640. a. How many units must they sell to break even? b.... more

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