Newest SAT math Questions | Wyzant Ask An Expert

11/05/23

pleaseee help!!. Calculus!!!...

A large sphere of material is placed in a dissolving liquid.(a) When the radius is 1 m, it is observed to be changing at 7 cm/hour. At that instant, what is the rate at which the sphere's volume is... more

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Sat Math Math Test Preparation Calculus

11/05/23

Calculusss Helppp!! Urgent..please help with this one!!!

Suppose that fluid is leaking from an overhead pipe and spreading in the shape of a circle on the ground. If the radius of the circle is increasing at a rate of 0.5 feet per minute, how fast is the... more

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Sat Math Math Test Preparation Calculus

11/05/23

Calculusss Helppp!! Urgent..please help with this one. i tried every method i know, keep getting it wrong. help out!!!

A road running north to south crosses a road going east to west at the point P. Car A is driving north along the first road, and car B is driving east along the second road. At a particular time... more

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Sat Math

11/03/23

my math homework and I need help

Suppose that water usages in American showers are normally distributed, with an average shower using 16.8 gallons, and a standard deviation of 2.5 gallons. Estimate the percentage of showers that... more

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Sat Math

11/01/23

amount of money loaned at 9.4%.

A bank loaned out $9900, part of it at a rate of 9.4% per year and the rest of it at a rate of 7.2% per year. The total amount of interest owed to the bank at the end of one year was $863.3. Find... more

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Sat Math Math Statistics

10/25/23

Assume that a procedure yields a binomial distribution with a trial repeated times.

Use either the binomial probability formula (or a technology like Excel or StatDisk) to find the probability of successes given the probability of failure on a single trial.

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Sat Math

10/21/23

SAT MATH PERCENTAGE

researchers estimated that 0.07% by mass of a 12 gram sample of an orchid plant consists of the fatty acid eicosadienoic acid. based on this estimate, what is the mass of eicosadienoic acid, in... more

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Sat Math Math Test Preparation Algebra 1

10/07/23

asap needed in 30 mins (algebra help. graph)

Sketch the graph of a function f with the following properties: - f is not continuous when x=2 but limx→2f(x) exists. - f has a jump discontinuity when x=−1. - f is continuous at all points other... more

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Sat Math Math Calculus Precalculus

10/04/23

Calculus Helpp!!!!. Urgent ( review)

1) Suppose f(x), g(x), and h(x) are continuous functions such that g(−1)=5, h(−1)=3 and limx→−1 ((f(x))2 − 3g(x)/ 5h(x)))=14. If f(x) is an odd function with f(1) > 0, find f(−1).I got 15 but... more

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Sat Math Math Discrete Math Mathematica

10/01/23

Directions: Prove the following propositions by using the kind of proof indicated in each number. Use outline form for numbers 1. and 2. while paragraph form for numbers 3. and 4.

Directions: Prove the following propositions by using the kind of proof indicated in each number. Use outline form for numbers 1. and 2. while paragraph form for numbers 3. and 4.1. If a is an odd... more

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Sat Math Math Mathematica Act Math

10/01/23

Directions: Prove the following propositions by using the kind of proof indicated in each number. Use outline form for numbers 1 and 2. while paragraph form for numbers 3 and 4

Directions: Prove the following propositions by using the kind of proof indicated in each number. Use outline form for numbers 1 and 2. while paragraph form for numbers 3 and 41. If a is an odd... more

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Sat Math Math Test Preparation

09/30/23

Showing Your Best on an Online Test

Some of my best students don't demonstrate their best work on online tests. Here are some tips and strategies to help you show that computer what's going on upstairs.

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Sat Math Math Algebra 1 Algebra 2

09/30/23

Up and down in odd numbers

What is up and down in odd numbers but can only be 4 digits?

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Sat Math Math Test Preparation Algebra 1

09/25/23

Helpppp.. Algebraa.. Urgent

Find the exact value of each x∈[0,2π) for which cos^2 (x)= (1/2) sin(2x). If g(x)=5+3x/ x−3 What is the domain of g(x)? Verify (with sketch and/or short argument) that g is a one-to-one... more

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Sat Math Math Act Math

09/15/23

This correct answer? if not what is the correct answer

Activity 4. Writing a Mathematical ExpressionDirections: Using only one variable, write a mathematical expression for each.1. Carlo's age in 5 yearsx+52. The total interest earned after one year... more

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Sat Math Math Act Math

09/15/23

This correct answer? if not what is the correct answer

Activity 4. Writing a Mathematical ExpressionDirections: Using only one variable, write a mathematical expression for each.1. Carlo's age in 5 yearsx+52. The total interest earned after one year... more

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Sat Math Math Act Math

09/15/23

Activity 4. Writing a Mathematical Expression Directions: Using only one variable, write a mathematical expression for each.

Activity 4. Writing a Mathematical ExpressionDirections: Using only one variable, write a mathematical expression for each.1. Carlo's age in 5 years2. The total interest earned after one year when... more

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