## Question

###### Evaluale Ihe expressionsin 2120'_ cos 2120"gin 2120 cos 2 120" (Simplify your answer; Including any radicals Use inlegers or fractons

Evaluale Ihe expression sin 2120'_ cos 2120" gin 2120 cos 2 120" (Simplify your answer; Including any radicals Use inlegers or fractons

## Answers

#### Similar Solved Questions

5 answers

##### A conical paper cup of height 3 inches and diameter 2 inches is being filled with water at a rate of 0.5 cubic inches per second_ How quickly is the height of the water in the cup rising when the cup is half full?

A conical paper cup of height 3 inches and diameter 2 inches is being filled with water at a rate of 0.5 cubic inches per second_ How quickly is the height of the water in the cup rising when the cup is half full?...

5 answers

##### Question 4the magnitud of an carthquake relaied to the dcpth Iclou Ihe suraCc which tkx quuke occun " La the mgnitudr ofan canhquake (on thc Richtar scale}. and Iet y 5 tk &pth (in kilomeders} of Ihe quake below the surlace 21 th cnicenicr Suppase nndomamcic einthqutes ZtcInc follou Ing Inforitton.3.4010.810}Wnu the ine Ihilpee Milecla #rc tcllerLuTInFtenbelouSulecion6

Question 4 the magnitud of an carthquake relaied to the dcpth Iclou Ihe suraCc which tkx quuke occun " La the mgnitudr ofan canhquake (on thc Richtar scale}. and Iet y 5 tk &pth (in kilomeders} of Ihe quake below the surlace 21 th cnicenicr Suppase nndomamcic einthqutes ZtcInc follou Ing In...

1 answers

##### Nccor incimo:ncaina niormatonnciantrFEpan MncctemsSaFKmec= AtunHeari764JudodeiEnlatenr-ldcicz IriccGnntharee ova ~arrraximately 95%narulatlor MonntslnttSaWcricnmer[ul-it957*"Il Jeiduclaje lic UlilGvine#oin*iJiCuMcecili #Ilc e ceiYBl -4ibdudiakcumlLeWeale UaMMEJur Ein*MKuCumtaSnratJiven Ir-cna-IchIneOntGit ninMnteJpcpulatiznzinniUto Jord 20-WJncicnn"polncscSIc MuUalmcWcdMe Cn#MJeuam [email protected] Olt4ce KK~octtai datsthatCinre tharWimarhccta: JatesAacer~nlnne LamanVoctna

nccor incimo:n caina niormaton nciantr FEpan Mncctems SaF Kmec= Atun Heari 764 Judodei Enlate nr-ldcicz Iricc Gnntharee ova ~arrraximately 95% narulatlor Monntslntt Sa Wcricn mer [ul-it 957*"Il Jei duclaje lic Ulil Gvine #oin*i JiCuM cecili #Ilc e ceiYBl - 4ib dudiakcuml Le Weale UaMME Jur Ein*...

5 answers

##### Ametin AoTucr * #cacciTeTUt0ftel# (uftnlal K"olftr RiCatust Tannsicin'730M Jene {'[unerl @orudn "of Inrlwdngl~J76LidAfoaOnttE394 ba % 754For tlc pUrposcs FiCiciy erhihir incomni [email protected] ILe distinc| phcncltit? chse me Kcllaei= LSSLLL pILEIYpIC *uluestontn popullion uln Werelotc (enat DvcnreDnenonnic Viluc ofhc populations pugtuut Vcnotipe tredUttcIC > Mlu IHns lennulut _bdz) AtCJEC pllenoltnmhe [elillLont Usc the sanc fornula ealculate te averige Menolype of all thre

am et in AoTucr * #c acci TeTUt 0ftel# (uftnlal K"olft r R iCatust Tannsicin '73 0M Jene {' [unerl @orudn "of Inrlwdng l ~J76 Lid Afoa OnttE 394 ba % 754 For tlc pUrposcs FiCiciy erhihir incomni [email protected] ILe distinc| phcncltit? chse me Kcllaei= LSSLLL pILEIYpIC *uluestontn p...

5 answers

##### The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of taxpayers was $15,589. Assume that the standard deviation is 0 82,121. Use z-table_ a. What is the probability that sample of taxpayers from this income group who have itemized deductions will show a sample mean within S239 of the population mean for each of the following sample

The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of taxpayers was $15,589. Assume that the standard deviation is 0 82,121. Use z-tab...

5 answers

##### Label each statement as true or false. If it is true, briefly explain why. If it is false, give a counterexample.If the force is doubled, the torque doubles.

Label each statement as true or false. If it is true, briefly explain why. If it is false, give a counterexample. If the force is doubled, the torque doubles....

5 answers

##### (10+10+15 pts) Let the vector field F be given by F = 1yar + ry?ay: Compute Jcz F ai b) Compute Jcz Fai Compute Jcz F: &i using Green s Theorem.(-1,2)(4,)(4,9(,9sidrl

(10+10+15 pts) Let the vector field F be given by F = 1yar + ry?ay: Compute Jcz F ai b) Compute Jcz Fai Compute Jcz F: &i using Green s Theorem. (-1,2) (4,) (4,9 (,9 sidrl...

5 answers

##### The deflection at x = L/2 isXSelect one:~81wL' 6144EIvb_-513wL# v = 6144EI0 CSUTwL' V = 384ELd.~S7wLt 6144ELV

The deflection at x = L/2 is X Select one: ~81wL' 6144EI v b_ -513wL# v = 6144EI 0 CS UTwL' V = 384EL d. ~S7wLt 6144EL V...

5 answers

##### Find the critical numbers of the function f(z) 2x5 + S24 10x? 8 and classify them: Round your answers to three decimal places:Select an answerSelect an answeris a Select an answer

Find the critical numbers of the function f(z) 2x5 + S24 10x? 8 and classify them: Round your answers to three decimal places: Select an answer Select an answer is a Select an answer...

1 answers

##### Verify that each equation is an identity. $$\tan 2 \theta=\frac{-2 \tan \theta}{\sec ^{2} \theta-2}$$

Verify that each equation is an identity. $$\tan 2 \theta=\frac{-2 \tan \theta}{\sec ^{2} \theta-2}$$...

5 answers

##### And add the washing to the liquid above SOLUIION: Bi Cu Cd Add NHOH (15 M) drop wise until basic to litmus A blue color indicates copper, white flocculent ppt_ indicates bismuth. Centrifuge. PRECIPITATE: PbSOs (white) Add 3 drops Add SOLUTION: Cu(NH;) (blue); NHC,H,Oz t0 the ppt . Stir thoroughly: Cd(NHy) Concentrate to about mL (a) drop KzCrOa Formation of a yellow ppt: To 4 drops of this solution add 6 M HCI until confirms lead . acid, then 2 drops of KFe(CN) A red ppt. CuFe(CN) confirms coppe

and add the washing to the liquid above SOLUIION: Bi Cu Cd Add NHOH (15 M) drop wise until basic to litmus A blue color indicates copper, white flocculent ppt_ indicates bismuth. Centrifuge. PRECIPITATE: PbSOs (white) Add 3 drops Add SOLUTION: Cu(NH;) (blue); NHC,H,Oz t0 the ppt . Stir thoroughly: C...

5 answers

##### Use a graphing calculator and this scenario: the population of a fish farm in $t$ years is modeled by the equation $P(t)=rac{1000}{1+9 e^{-0.6 t}}.$What is the carrying capacity for the fish population? Justify your answer using the graph of $P.$

Use a graphing calculator and this scenario: the population of a fish farm in $t$ years is modeled by the equation $P(t)=\frac{1000}{1+9 e^{-0.6 t}}.$ What is the carrying capacity for the fish population? Justify your answer using the graph of $P.$...

5 answers

##### Based on data collected over several years, the time to completeservicing an electronic product ESP under warranty is assumed to benormally distributed with a mean of 28 minutes and 15 seconds, anda standard deviation of 6 minutes and 30 seconds. If two ESPproducts serviced by 2 tech-staff (TECH1 and TECH2) are randomlyselected, find the probability that TECH1 serviced the product inat most 27 minutes and 45 seconds, and TECH2 took at least 5minutes longer time than TECH1 to complete servicing t

Based on data collected over several years, the time to complete servicing an electronic product ESP under warranty is assumed to be normally distributed with a mean of 28 minutes and 15 seconds, and a standard deviation of 6 minutes and 30 seconds. If two ESP products serviced by 2 tech-staff (TECH...

5 answers

##### Give the order of the differentlal equation below, where represonis function of Ihe variable ~" Choose Ihe correct answer below0 A_ The given equation Is third-order differential equation because involves 0 B. third derivative but no higher derivative The given equation is first-order differential equation because only involves first derivative The given equation second-order differentia quation because involves second derivalive but no hlgher derivative The given equation first-order diffe

Give the order of the differentlal equation below, where represonis function of Ihe variable ~" Choose Ihe correct answer below 0 A_ The given equation Is third-order differential equation because involves 0 B. third derivative but no higher derivative The given equation is first-order differen...

4 answers

##### 9. What is the pH of a 1.0 L buffer made with 0.300 mol of HF(Ka = 6.8 Ã— 10â»â´) and 0.200 mol of NaF to which 0.100 mol of HClwere added? 10. What is the pH of a 1.0 L buffer made with0.300 mol of HF (Ka = 6.8 Ã— 10â»â´) and 0.200 mol of NaF to which0.100 mol of NaOH were added?

9. What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 Ã— 10â»â´) and 0.200 mol of NaF to which 0.100 mol of HCl were added? 10. What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 Ã— 10â»â´) and 0.200 mol of NaF to which 0.100 mol of NaOH wer...

5 answers

##### Let flx,y) =x2 +xy +y2 + y. Find the xy values of the points where there is a local minimum Or maximum_ After you find such points, specify whether the point corresponds t0 a minimum OT maximum value of the function.

Let flx,y) =x2 +xy +y2 + y. Find the xy values of the points where there is a local minimum Or maximum_ After you find such points, specify whether the point corresponds t0 a minimum OT maximum value of the function....

5 answers

##### One liter of Fricke solution at 25 degree Celsius is irradiated by a MeV electron beam collimated t0 an aperture 2 Cm in radius, for a period of 1 min If the AOD = 0.125 at303 nm in a 1.5 cm long cell. what was the energy-fluence rate at the aperture? Assume an ErG of 3.517 cm? and neglect backscattering:Tip: Use the expression of the absorbed dose t0 the Fricke Solution. Use the density of the solution for the given temperature

One liter of Fricke solution at 25 degree Celsius is irradiated by a MeV electron beam collimated t0 an aperture 2 Cm in radius, for a period of 1 min If the AOD = 0.125 at 303 nm in a 1.5 cm long cell. what was the energy-fluence rate at the aperture? Assume an ErG of 3.517 cm? and neglect backscat...

5 answers

##### Let X Ing percgnl pumy of oxygen from cerain supplier. Assume thai X noamally Ostibuled vath mean Dercentaqg and standard deviation .Ucercentaqgordereslimaletne fclowing random sample taken:103.4,103.7,103.4,103,4 ,103.5103.5,103.5,103,6 ,103.5Note that the sample standard devialica0,009999.999999999.58 perceniageFill in Ihe following blanksorder {0 detemine %hether tnue average ofthe percent purity oxygen from centain supplier E less than 103, percentage, the null hypothesis H and the altemairy

Let X Ing percgnl pumy of oxygen from cerain supplier. Assume thai X noamally Ostibuled vath mean Dercentaqg and standard deviation . Ucercentaqg order eslimale tne fclowing random sample taken: 103.4, 103.7, 103.4, 103,4 , 103.5 103.5, 103.5, 103,6 , 103.5 Note that the sample standard devialica 0,...

5 answers

##### Find all possible critical and inflection points of a function Leave the answers in ( x,Y ) form: (5 points)

Find all possible critical and inflection points of a function Leave the answers in ( x,Y ) form: (5 points)...

5 answers

##### 7. If we pack [2Onm ~diameter corona viruses on slide; the spaces between them are 8Snm apart: We"Il irradiate them with 22.9nm X-rays from lithium; pushing TuA for = 4.0 second dose_ a) at what angle (from centerline) does the first bright spot occur?b) how much energy does each X-ray carry?how many electrons did we use t0 make this dose?how much total energy did the dose carry t0 the viruses?

7. If we pack [2Onm ~diameter corona viruses on slide; the spaces between them are 8Snm apart: We"Il irradiate them with 22.9nm X-rays from lithium; pushing TuA for = 4.0 second dose_ a) at what angle (from centerline) does the first bright spot occur? b) how much energy does each X-ray carry? ...