2,690 Answered Questions for the topic SAT math

Sat Math

09/30/19

Tom has t marbles and John has 3 times as many marbles as Tom.

If Tom and John are each given x marbles, John will have twice as many marbles as Tom. What is x in terms of t?
Sat Math

09/30/19

There are 10 green, 10 red, 10 blue, and 10 yellow cards in a stack of 40 cards.

What is the least number of cards a blindfolded person must draw from the stack to be sure to have at least 7 greem cards?

09/29/19

In an arithmetic series, S12 = 21, t12 = 10. Find t1, t2.

t1=___?____t2=___?____PLEASE HELP ME AND THANK YOU VERY VERy MUCH IF YOU DO!!!

09/29/19

Given geometric sequence tn. Find S13 if t1=5 , r=2.

S13=___?___PLEASE HELP ME AND THANK YOU VERY MUCH IF YOU DO!!

09/29/19

Given geometric sequence tn find t1 if t3 = −8 and t8= −256.

t1=___?____PLEASE HELP AND THANK YOU SOOOO MUCH IF YOU DO!!!
Sat Math Math

09/27/19

Additional Mathematics Differentation

John has a rectangular piece of zinc with a perimeter with a perimeter of 32 cm. He wants to use that piece of zinc to build an open cylinder at both ends.Find the length and the width, in cm, of... more

09/27/19

how can I know all the probabilities

Five applicants are to be scheduled for job interviews at five given times. On an application form, each applicant was asked to mark two out of the five times. What is the probability that each of... more

09/24/19

determine whether the pair of lines are parallel, perpendicular, or neither

6x=7y=1-30x=35y=1

I need a good explanation for this problem please

We’ll call a set of numbers un-average if the average of any two numbers in the set is not in the set. So {1, 3, 6, 7, 10} is un-average, but {1, 3, 6, 7, 9} is not. What is the largest set of... more

09/23/19

Vertical Translation

Find an equation for a sine function having an amplitude of 3, period of 4pi, horizontal shift of 2pi to the left, and a vertical shift of 1.

09/23/19

Vertical Translations

Find a cosine equation having the following characteristics:amplitude= 2period= 8pihorizontal shift= 4pivertical shift= -2Thank you in advance!

09/23/19

Vertical Translations!

Find an equation for a cosine function having an amplitude of 2, a period of 2pi, horizontal shift of pi/2 to the right, and a vertical shift of -5.

anyone can help me with this problem with some explanation

We’ll call a set of numbers un-average if the average of any two numbers in the set is not in the set. So {1, 3, 6, 7, 10} is un-average, but {1, 3, 6, 7, 9} is not. What is the largest set of... more

09/23/19

What is the rank of this matrix?

What is the rank of this matrix? 1 -1-1 1/2
Sat Math Math

09/22/19

What is the answer to this Passport to Advanced Math SAT Problem: If 6x+12y=168, what is the value of x/2+y?

With steps if you can. thank you

09/21/19

Vertical Translations!

A sine function has an amplitude of √2, period of 8pi, horizontal shift of pi, and a vertical shift of 1.What is the y-value of the positive function at x=4pi?

09/21/19

Vertical Translations! Need Help Quickly. I have a test tomorrow and I still can't figure out how to do these.

Find a cosine equation having the following characteristics:amplitude= 5period= 2pi/3horizontal shift= -pi/6vertical shift= 2Please explain how you figured out how to solve the problem! Thank you... more

09/21/19

Vertical Translations! Please help!

A cosine function has an amplitidue of 1/3, a period of pi/3, horizontal shift of -2pi, and a vertical shift of -3. What is the y-value of the negative function when x=pi?
Sat Math

09/20/19

a farmer has 180 bushels of wheat to sell she sells an average of 14 7/8 each day represent the total change in the number or bushels she sells after 5 days

a farmer has 180 bushels of wheat to sell she sells an average of 14 7/8 each day represent the total change in the number or bushels she sells after 5 days

09/20/19

any idea in how to solve this ?

In a giant bin, we stir together 2019 red jelly beans and 2019 green jelly beans. We pull 3 jelly beans out of the bin at a time. There are two possibilities – they are all the same color or there... more

09/19/19

please show me how to solve it or what will be the outcome

In a giant bin, we stir together 2019 red jelly beans and 2019 green jelly beans. We pull 3 jelly beans out of the bin at a time. There are two possibilities – they are all the same color or there... more
Sat Math Math

09/18/19

Help me please with my homework question

six recessed must be installed in a strip of ceiling. the housing costs 16.45 each the trims cost 19.86 each , the lamps cost 11.99 each miscellaneous hardware and wiring cost 33.45 and labor is... more

09/18/19

math probability word problem

11. Mr. Wu’s biology class is writing group reports aboutthe Hawaiian Islands. He has a total of 10 groups.Mr. Wu will assign an island and a topic at randomto each of the groups. No two group... more

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