2,684 Answered Questions for the topic SAT math

08/02/22

I have been stuck for hours. Please someone help me as soon as possible please thank you

1.) Jeffery Wel received a 7-year non-subsidized student loan of $31,000 at an annual interest rate of 5.5%. What are Jeffery's monthly loan payments for this loan after he graduates in 4 years?... more
Follows • 2
Expert Answers •1
Sat Math Math Algebra 2

08/02/22

Vector Inequalities
If x, y are vectors in Rn, prove that | ||x|| - ||y|| | <= || x-y ||
Follows • 1
Expert Answers •1

08/01/22

Matrix - Gauss Elimination Method

Solve the system of equations using the Gauss elimination method;5x+2y=2,2x+y-z=0,2x+3y-z=3.
Follows • 1
Expert Answers •1
Sat Math

07/25/22

Have your students in the past ever achieved perfect 800s on the SAT Math portion?
Yes, they have. Many of them started with SAT Math scores in around the 600s. With time, consistency, and my mentoring, they were able to achieve 800s or very close to an 800.
Follows • 1
Expert Answers •1

07/22/22

Please help me i'm not sure how to solve this
Suppose Orchestra Stratford can sell out a 300-seat theatre when tickets are sold for $48. For each $6 increase, 15 less tickets will be sold. Use a quadratic relation to determine the necessary... more
Follows • 1
Expert Answers •1

07/22/22

Need help to solve this please
A soccer club wants to create an experienced team and need to organise an event to run a series of trials.The teams combination is to include experienced soccer players (d ) and training analysts... more
Follows • 1
Expert Answers •1

07/22/22

Need Help to solve
Demand and cost equation.q = quantity in kgp = price in $c = total costs in $p = 350 - 68qc = 265 + 70qa. Break-even level(s) of production to four decimal places.b. Profit maximising level of... more
Follows • 1
Expert Answers •1

07/21/22

word problem solving help please
The altitude of the plane (in meters above the ground) n minutes after takeoff is modelledh(n) = 45 - 0.3n2 + 16n What is the planes greatest altitude? ... more
Follows • 1
Expert Answers •2

07/21/22

Worded question need help to solve
After a recycling program was introduced, the weight of rubbish disposed by a organisation each month is given by W = 80(3 - 0.026m ) W = measured in kg.m = number of months since the recycling... more
Follows • 1
Expert Answers •2

07/21/22

Worded question help please
A soccer club wants to create an experienced team and need to organise an event to run a series of trials. The teams combination is to include experienced soccer players (d ) and training analysts... more
Follows • 1
Expert Answers •1

07/21/22

Need help to solve this Word problem please
(t + 20)(N - 40) = 1300N = The number of bacteria per square mm, that remains on the hands when washing t seconds hand liquid. How would I express the N as a function of t ? Determine the number... more
Follows • 1
Expert Answers •1

07/21/22

Need help to solve this word problem
Demand and cost equation.q = quantity in kg p = price in $c = total costs in $p = 350 - 68qc = 265 + 70qa. Break-even level(s) of production to four decimal places.b. Profit maximising level of... more
Follows • 2
Expert Answers •1
Sat Math Probability

07/20/22

In a recent poll, 390 people were asked if they liked dogs, and 71% said they did. Find the margin of error of this poll, at the 90% confidence level.
what is the margin of error
Follows • 1
Expert Answers •2
Sat Math Math Probability

07/20/22

Probability problem: throwing 6n dice at random
You throw 6n dice at random. Show that the probability that each number appears exactly n times is
Follows • 1
Expert Answers •1
Sat Math Act Math

07/19/22

If 3x-y=12, what is the value of (8^x / 2^y)?
If 3x-y=12, what is the value of (8x / 2y)?A) 212B) 44C) 82D) The value cannot be determined
Follows • 1
Expert Answers •3
Sat Math Math Statistics

07/19/22

Statistics - Method of Moment Parameter Estimator
Let X1, X2, X3, ..., Xn be a random sample of size n from the population with mean µ and variance σ2 .What is the estimator of the population parameter σ2 if we use the moment method?
Follows • 1
Expert Answers •1
Sat Math

07/18/22

19. Calculate Jonia’s WHR using the waist and hip measurements provided. Show your work.

Word ProblemThe Waist to Hip Ratio (WHR) is commonly expressed as a decimal. WHR has been shown to be a good predictor of possible cardiovascular problems in both men and women. If Jonia has a WHR... more
Follows • 1
Expert Answers •1
Sat Math Math Science Latin

07/16/22

How do I become a tutor at Wyzant
Hello, I have worked as a teacher and tutor for 30 years. I am always looking for ways to expand my base. A local school guidance counselor mentioned that they primarily use Wyzant referrals. How... more
Follows • 2
Expert Answers •2
Sat Math

07/15/22

y=|x+5| if x>-5
can someone help me with this questin :)thank u!
Follows • 1
Expert Answers •1
Sat Math

07/10/22

homework math question section 6.2
According to​ flightstats.com, American Airlines flights from Dallas to Chicago are on time 80​% of the time. Suppose 25 flights are randomly​ selected, and the number of​ on-time flights is... more
Follows • 1
Expert Answers •1
Sat Math Math

07/08/22

Sheila and Carla enter a store with 25.00 to split…
Sheila and Carla enter into Dillards with $25.00 between them they want to purchase a few items together. Sheila has $10.00 dollars, and Carla has $15.00 dollars. Sheila's purchases come to $12.21.... more
Follows • 1
Expert Answers •3
Sat Math Math

07/03/22

What is the volume, in cubic inches, of a cube whose surface area is 60 square inches?
A. 10√10B. 15√15C. 60√60D. 1,000
Follows • 1
Expert Answers •2
Sat Math

07/02/22

statistics math help
When testing for current in a cable with nine ​color-coded wires, the author used a meter to test two wires at a time. How many different tests are required for every possible pairing of two ​wires?
Follows • 1
Expert Answers •1

06/30/22

Tricky probability question
A table-tennis championship for 2n equally good players is organized as a knock-out tournament with n rounds, the last round being the final. Two players are chosen at random. Calculate... more
Follows • 1
Expert Answers •1

06/30/22

Hard probability question
Four mice are chosen (without replacement) from a litter, two of which are white. The probability that both white mice are chosen is twice the probability that neither is chosen. How many mice are... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.