Numerade

Questions asked

BEST MATCH

Find 𝑦 if the point (8, 𝑦) is on the terminal side of 𝜃 and cos 𝜃 = 8

BEST MATCH

Which of the following quantities represents a displacement? (There could be more than one correct choice.) Select all that apply. 9.8 m/s240 km southwest-120 m/s32 ft/s2 vertically downward186,000 mi

View Answer

BEST MATCH

What is the cause of tuberculosis? Multiple Choice an oval-shaped bacterium a protozoan a virus a rod-shaped bacterium

View Answer

BEST MATCH

Entropy is the measure of ... Oa. the rate of reaction b. randomness c. the heat of reaction d. free energy

View Answer

BEST MATCH

2 points Which hormone directs essentially all events of the absorptive state? growth hormone ininsulin thyroid hormone epinephrine glucagon

View Answer

BEST MATCH

18 1 point You are an anthropologist heading off to study the marriage system of a little-known tribe deep in the Congo. Here's what you know about them: they have plenty of resources, which are distributed equally among the men in the tribe. The reproductive success of men and women is similar. Given this information, what kind of marriage system do you expect them to have? Monogamy Polyandry Polygamy Polygyny Previous Next

View Answer

BEST MATCH

Table 2 Refer to Table 2. What is the average total cost of producing one widget? Question 6 Answer a. $1.00 b. $10.00 c. $11.00 d. $22.00 Table 2 Quantity of Widgets 0 1 2 3 4 5 6 Variable Cost Fixed Cost $10 Total Cost $1 $3 $6 $10 $13 $16 $25 $21 $10

View Answer

BEST MATCH

4. (10%) Let X be a continuous random variable with the density function f(x) =    1/4 if x in (−2, 2) 0 otherwise Using the method of distribution functions, find the probability density functions of Y = X3 and Z = X4 .(10%) Let x be a continuous random variable with the density function f(x)={((1)/(4) if xin(-2,2)),(0 otherwise ):} Using the method of distribution functions, find the probability density functions of Y=x^(3) and Z=x^(4). 4. (10%) Let X be a continuous random variable with the density function 1/4 if x E(-2,2) 0 otherwise Using the method of distribution functions, find the probability density functions of Y = X3 and Z= X4

View Answer

BEST MATCH

Observed Frequencies Not promoted Promoted Total Hispanic 48 12 60 Not Hispanic 30 14 44 Total 78 26 104 Using the above frequencies, complete the joint probability table below. Joint Not Promoted Promoted Total Probabilities Hispanic .4615 .1154 .5769 Not Hispanic .2885 .1346 .4231 Total .75 .25 1 Using the above frequencies, complete the conditional probability table below. Conditional Probabilities Not promoted Promoted Total Hispanic .3461 \times .1442 \times Not Hispanic Using the above frequencies, complete the conditional probability table below. Conditional Probabilities Not promoted Promoted Hispanic Not Hispanic Total

View Answer

BEST MATCH

Problem #4: Evalute the following integral by changing to cylindrical coordinates. $\int_{-8}^{8} \int_{0}^{\sqrt{64-x^2}} \int_{0}^{\sqrt{64-x^2-y^2}} \sqrt{x^2+y^2} dz dy dx$ $E = \{(r, \theta, z) \mid 0 \le \theta \le \pi, 0 \le r \le 8, 0 \le z \le \sqrt{64-r^2} \}$ $= \int_{0}^{\pi} \int_{0}^{8} \int_{0}^{\sqrt{64-r^2}} r dz dr d\theta = \int_{0}^{\pi} \int_{0}^{8} (64-r^2)r dr d\theta = \int_{0}^{\pi} \int_{0}^{8} (64r - r^3) dr d\theta$ $= \int_{0}^{\pi} \left[ \frac{64r^2}{2} - \frac{r^4}{4} \right]_{0}^{8} d\theta = \int_{0}^{\pi} \left( \frac{64(64)}{2} - \frac{8^4}{4} \right) d\theta$ $= \int_{0}^{\pi} \frac{524288}{15} d\theta = \frac{-524288\pi}{15}$

View Answer

alexander b.