A person goes up a set of stairs of height 20 feet and boards the bottom of a ferris wheel of radius 30 feet. At t=0 seconds, the ferris wheel starting turning one revolution every 90 seconds. The height of the rider above the ground in feet as a function of time t in seconds is given by h(t) = 50-30 cos πt 45 a) When does the rider reach a height of 50 feet above the ground? State the first two times it does this - order does not matter. at seconds b) When doe the rider first reach a height of 65 feet? at seconds

Q: Find n and sn  If a = 5 , d = 3 , an= 50

A: Given data: The first term of an A.P is a=5. The common difference is d=3. The number of term in A.P…

Q: e order of a b c and d

A:

Q: Let ā= and b = . Find 3a + 3b.

A: Given:a→=-3,-2,3 and b→=-3,5,2We need to find 3a→+3b→.

Q: Find n and sn  If a = 5 , d = 3 , an= 50

A:

Q: (iv.) Determine the population of fish in the lake at the end of the fourth year? (c) Evaluate

A:

Q: Simplify. -8x +7+8x

A: we have to simplify the expression  -8x+7+8x = -8x+8x+7  =( 8x-8x) +7 = 0+7  = 7

Q: If A={3,4,5}   B={a,b,c}. Find B X A.

A: Explanation of the solution is given below...

Q: Find B - A. - 7 B = 2 6 A = 2 6 6 - 4 B-A =

A:

Q: Find G.M of the following Numbers : 2,3,0,5,-6

A: Given,  2,3,0,5,-6

Q: 4. Swin (w - 2) dw

A: The given integral is: I=∫wlnw-2dw   Apply the integration by parts to solve the above integral.…

Q: find a, b, c, and d.

A: a+bc+dc-da-b=46102⇒a+b=4  →1,  c+d=6  →2,  c-d=10  →3,  a-b=2  →4 Now adding equation (1) and (4),…

Q: Find the following for p =, q =, and r =. Find -2p - r

A: Given that,    p = -7, -6  q= -1, -11, r= 0,9 we have to find the value of -2p-r.

Q: Simplify. 2a-1+ 3b- a-1-b-1 2a-1+ 3b -2 a-1-b-1

A:

Q: Find a, b, c, and d, if а b 1 3 d 2.

A: A matrix is an object with certain number of rows and certain number of columns. An entry in a…

Q: Let ā = and b . Find 3ā + b. -

A: We will simply use vector addition rules to find the answer

Q: 4c + 36 ÷ 3 + 4(1+2) if c = 5

A: BODMAS Rule: B - Brackets O - Order of powers or roots D - Division M - Multiplication A - Addition…

Q: why are B and C multiplied by x

A: The non homogeneous part contains the term sin 2x and e^x.

Q: B бх +7 4x -3 A4 Зх + 16

A: Answer

Q: 3) If segment PT 800 feet, find the length of segment PA and segment TA.

A:

Q: B. 120 + g 139 M.

A:

Q: Find -x if а. х — — 6 b. x =

A: a) Find -x. Given that, x=-6 So -x=--6        Substitute x=-6=6 Hence -x=6

Q: Let ā = (– 2, – 1, 3) and b = (- 5, 1, – 4). Find ā · b.

A: Given that , a→=-2 ,-1 ,3 and b→=-5 ,1 ,-4 a→·b→=?

Q: Let ā = (3, −7, 6) and b = (4, 4, 8). b) b) x (a + b) a

A: NOTE: Refresh your page if you can't see any equations. . given vectors are

Q: a; = 12, a, = -48, find r and a,

A:

Q: If A=(7,8) and B=(2,4,6) find A x B

A: Explanation of the answer is as follows

Q: HiW÷Put ãsQr T +axÑ if

A:

Q: If z 2 = Rep, then write za+iß as Ae B

A:

Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

A:

Q: find Domin and range fox the

A:

Q: If a = (2, -1, 4) and b = (8, 2, 1), find the following. a × b = -9,30,12 X bx a = -9,- 30, - 12

A:

Q: Let ã = and 6 = =. Find 2a + 3b. - V Λ

A:

Q: Find the value of a, b, and c if (a+b)(a+b+c)=21, (a+c)(a+b+c)=35, and (b+c)(a+b+c)=42.

A: First we need to make some equations and the we have to simplify them in order to get a, b and c.

Q: If a = (3, –3, –10) and b = (-8, –4, –10) find a · b =

A:

Q: Simplify. −x²³y² − 4x²y² + xy² -7x³y² +5x² - 2x³y² O-9x³y2²-4x²y² + 5xy² O-14x³y²-4x²y² + 5xy²…

A: Simplify

Q: Find the h,c,f of 12, 15 and 30

A: To determine: HCF of 12, 15 and 30

Q: asked for answers for D,E , F

A: Let us first find the singular values.

Q: b ceseo nf se.

A:

Q: c.A X B; A = {2, 4, 6, 8}, B = {2}

A: Definition:-  The Cartesian product X×Y between two sets X and Y is the set of all possible ordered…

Q: Let ā (3, 5, - 4) and 6 = (1, 4, 3). (à − b ) × ( ã + b) =

A: