Write the equation in spherical coordinates. (a) 4x2 − 3x + 4y2 + 4z2 = 0 Question solved general 10 months ago 3765
Unit 6: Periodic Functions and TrigonometryLesson 2: Angles and the Unit Circle1. Find the measure of the angle.A. 145B. 120C. 90D. 2152. What is the measure of the angle in standard position?A. 30B. 330C. -60D. -303. Find the measure of an angle between 0 and 360 coterminal with an angle of -110 in standard position.A. 250B. 20C. 110D. 704. Find the cosine and sine of 210. Round your answers to the nearest hundredth if necessary.A. -1, 0B. -0.5, -0.87C. -0.55, -0.95D. -0.87, -0.55. Find the exact value of sin 120.A. (*sqrt* 3)/2B. -(*sqrt* 3)/2C. 1/2D. -1/2Please help!!! I think #1 is A but that's all I got... Question solved general 10 months ago 6733
Given that x + y = 13 and xy = 24, find the distance from the point (x, y) to the origin. Question solved general 10 months ago 6995
Which probability indicates that an event will definitely occur?1412341 Question solved general 10 months ago 7329
Xian and his cousin Kai both collect stamps. Xian has 64 stamps, and Kai has 68 stamps. The boys recently joined different stamp-collecting clubs. Xian's club will send him 20 new stamps per month. Kai's club will send him 16 new stamps per month. After how many months will Xian and Kai have the same number of stamps? How many stamps will each have?After ___ months Xian and his cousin will have ___ stamps each. Question solved general 10 months ago 5002
Solve the missing elements for each problem. use 3.14 for ~ | | . 1 ) s r t q radius: ______________ diameter: ______________ 4 inches circumference: ______________ area: ______________ 2 ) c b d a radius: ______________ diameter: ______________ 10 ft circumference: ______________ area: ______________ 3 ) r q s p radius: ______________ 18 yards diameter: ______________ circumference: ______________ area: ______________ 4 ) p o q n radius: ______________ diameter: ______________ 16 cm circumference: ______________ area: ______________ 5 ) e d f c radius: ______________ 19 mm diameter: ______________ circumference: ______________ area: ______________ 6 ) d c e b radius: ______________ 12 inches diameter: ______________ circumference: ______________ area: ______________ 7 ) j h k g radius: ______________ diameter: ______________ 28 ft circumference: ______________ area: ______________ 8 ) n m o l radius: ______________ 6 yards diameter: ______________ circumference: ______________ area: ______________ 9 ) h g j f radius: ______________ diameter: ______________ 18 cm circumference: ______________ area: ______________ Question solved general 10 months ago 4970
The painting starry night by vincent van gogh is rectangular in shape with height 29 inches and width 36.25 inches. if a reproduction was made where each dimension is 1/3 the corresponding original dimension, what is the height of the reproduction in inches Question solved general 10 months ago 1975
The life in hours of a 75-watt light bulb is known to be normally distributed with σ = 25 hours. a random sample of 20 bulbs has a mean life of x = 1014 hours. (a) construct a 99% two-sided confidence interval on the mean life. (b) construct a 99% lower-confidence bound on the mean life. compare the lower bound of this confidence interval with the one in part (a). Question solved general 10 months ago 2146
The histogram shows the number of chicks born to non-migratory Canada geese in a city park, with the horizontal axis representing the number of hatchlings and the vertical axis representing the number of nests. For example, there were 15 nests with 0-3 hatchlings.In order to monitor the geese population, the state wildlife service annually samples the number of hatchlings from 30 nests using a simulation. Which number of hatchlings would be a reasonable outcome for the simulation? Question solved general 10 months ago 3487
Use a while loop to determine how many terms in the series 3k^2 are required for the sum to surpass 2000 Question solved general 10 months ago 9979
Let a = x^2 + 4. Rewrite the following equation in terms of a and set it equal to zero. ( x^2 + 4 )^2 +32 = 12x^2 + 48In resulting equation what is the coefficient of the a term ?In the resulting equation what is the constant? Question solved general 10 months ago 9277
Find the indicated limit, if it exists. limit of f of x as x approaches 9 where f of x equals x plus 9 when x is less than 9 and f of x equals 27 minus x when x is greater than or equal to 9 The limit does not exist. 18 0 9 Question solved general 10 months ago 7182
Which description best fits the graph?A. Negatively skewedB. Positively skewedC. Normal distribution Question solved general 10 months ago 8626
consider the parabola represented by the equation -2y^2=4x part 1: this parabola will open to the ____part 2: the equation of the directrix of the parabola is ____ part 3: the focus of the parabola is ____ Question solved general 10 months ago 5904
Which expression is a cube root of -2i?1) 3sqrt2(cos(210))+isin(210))2) 3sqrt2(cos(260))+isin(260))3) 3sqrt2(cos(90))+isin(90))4) 3sqrt2(cos(60))+isin(60)) Question solved general 10 months ago 6651
The following table represents the running times of the men's 100 meters final at the London Olympics.Can this data be fit in to a normal distribution?What is the standard deviation of the times of the first seven runners? Question solved general 10 months ago 9907