10/17/22

word problem in algebraic equations

a local hamburger shop sold a combined total of 633 hamburgers and cheeseburgers on thursday.there were 67 fewer cheeseburgers sold than hamburgers.how many hamburgers were sold on thursday?

10/16/22

College Algebra

You are choosing between two different cell phone plans. The first plan charges a rate of 23 cents per minute. The second plan charges a monthly fee of $29.95 plus 10 cents per minute. How many... more

10/16/22

inverse trig function

cot-1(0) find the value of the inverse trigis it zero?

10/16/22

Stats Probability

A jury has 12 jurors. A vote of at least 10 of 12 for "guilty" is necessary for a defendant to be convicted of a crime. Assume that each juror acts independently of the others and that the... more

10/16/22

Prove the following Identities(Discrete math Fibonnacci Sequence Question)

First question:F02+F12+F22+...+Fn2=Fn*Fn+1Second question:Fn-1*Fn+1-Fn2=(-1)nThird QuestionChoose an integer uniformly from the set {1,2,3,...,30}. Let A be the event that it is divisible by 2; let... more

10/16/22

Quadratic equation

Lauren dives with her outstretched arms from a platform into the diving pool. The height of her fingertips above the pool surface can be represented by the quadratic relationship:h=−2t^2 +4t+6,... more

10/16/22

cos2 𝛽 + cos2 𝜋 2 − 𝛽 = 1

10/16/22

1 + sin(𝜃) / cos(𝜃) + cos(𝜃) / 1 + sin(𝜃) = 2 sec(𝜃)

Verify the identity algebraically. Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.)

10/16/22

cot(x) / sec(x) = csc(x) − sin(x)

Verify the identity by converting the left side into sines and cosines. (Simplify at each step.)

10/16/22

cot2(t) / 4 csc(t) = 1 − sin2(t) / 4 sin(t)

Verify the identity by converting the left side into sines and cosines. (Simplify at each step)

10/16/22

5 cos2 𝛽 − 5 sin2 𝛽 = 5 − 10 sin2 𝛽

Verify the identity. (Simplify at each step.)

10/16/22

Algebra 2(Math question)

The trinomial 2x2+ 9x +9 has a coefficient greater than 1. Why do you multiply The coefficient 2 with the last term 9 to get 18 and then let the sum be 9 which is the middle term? What is the... more

10/16/22

algebra word problem

Josh the trainer has two solo workout plans that he offers his clients: Plan A and Plan B. Each client does either one or the other (not both). On Monday there were 6 clients who did Plan A... more

10/15/22

Word problem for college algebra

Scott is driving to Memphis. Suppose that the distance to his destination (in miles) is a linear function of his total driving time (in minutes). Scott has 64 miles to his destination... more

10/15/22

Help with linear equation

Complete each ordered pair so that it is a solution of the given linear equation. x-3y=5; ( , -1) (-7, ) find the order pairs for each one

10/15/22

number of children tickets

At the city museum, child admission is $5.20 and adult admission is $8.50. On Sunday, three times as many adult tickets as child tickets were sold, for a total sales of $644.70. How many child... more

10/15/22

number of children tickets

At the city museum, child admission is $5.20 and adult admission is $8.50. On Sunday, three times as many adult tickets as child tickets were sold, for a total sales of $644.70. How many child... more

10/15/22

1+4+7+...+ (3n - 2) = n/2 (3n - 1)

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