一道SAT2数学题If all the terms of a geometric series are possible,the first term of the series is 2,and the third term id 8,how many digits are there in the 40th term?A 10B 11C 12 D 14E 15呃 答案我写错了 不好意思啊A 10 B 11 C 12 D 13

一道SAT2数学题If all the terms of a geometric series are possible,the first term of the series is 2,and the third term id 8,how many digits are there in the 40th term?A 10B 11C 12 D 14E 15呃 答案我写错了 不好意思啊A 10 B 11 C 12 D 13 一道SAT2数学题答好了我加分 if f(x)=x³-4x²-3x+2 which of the following are true?1.the function f is increasing for x≥32.the equation f(x)=o has two nonreal solutions3.f(x)≥-16 for all x≥0答案是1和3,为什么2不对?1,3 SAT2数学题一道,if a square prism is inscribed in a right circular cylinder of radius 3 and height 6,the volume inside the cylinder but outside the prism is,我知道答案是61.6,请发下详细解答过程 sat2 if 10 coins are to be flipped and the first 5 all come up heads,what is the probability that exactly 3 more heads will be flipped? SAT2一道物理题..The volume of a given mass of gas will be doubled at atmospheric pressure if the temperature of the gas is changed from 150 to .. 问一道SAT2物理,If the particles all have the same velocity,which is deflected the most?(A) Proton(B) Electron(C) Neutron(D) Alpha particle(E) Positron为什么答案选E啊,根据如图推算不是应该选B吗?写错了答案是D但我觉得是 一道简单的英语数学题：If x²-7x+9=(x+a)²+b for all x,then what are the values of a and b 一道关于概率的SAT2数学题Of all the articles in a box, 80% are satisfactory, while 20% are not. The probability of obtaining exactly five good items out of eight randomly selected articles isA 0.003B 0.013C 0.132D 0.147E 0.800答案是C,但 sat2 数学：if o Sat2 一道物理题 一道英文(sat2)物理题 sat2数学题,f(x)=5√2x ,what is the value off^(-1) (10)?If f(x)=5√2x ,what is the value of f^(-1) (10)? 求问Sat2数学题 If f is a linear function and f(-2)=11,f(5)=-2,and f(x)=4.3,what is the value of x 一道sat2数学题,the only prime factors of a number 'n' are 2,5,7,and 17.which of the following could not be a factor of a）10 b) 20 c) 25 d)30 e)34 SAT2 判断题一道At equilibrium,the reactants and products have reached the equilibrim concentrations. 又一道急需解决的SAT2 Math If f(x)=X^2-3x+4,which of the following is an approximation of f(f(f(3+7/8)))?正答：1223.21 一道关于概率的英文数学题7) A box contains 3 red,4 white and 5 blue discs.Three discs are selected at randomfrom the box.Find the probability that:a) all three discs are the same colour,if the selection is with replacement b) all three dis 求助!一道GMAT数学题If an organization were to sell n tickets for a theater production, the total revenue from ticket sales would be 20 percent greater than the total costs of the production. If the organization actually sold all but 5 percent