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Manhattan If a, b, c, and d are integers and$$ ab^{2}c^{3}d^{4} > 0$$, which of the following must be positive? I. $$a^{2}cd $$II. $$bc^{4}d $$III.$$ a^{3}c^{3}d^{2} $$
Manhattan S1 = 7S2 = 10...Sn = 3n + 4For the sequence above, in which any term n is defined as 3n + 4, what is the value of n for the first term in the sequence to exceed 50?
OG19 OG20 OG2022 10 ，4 ，26 ，16 What is the median of the number shown ?
OG12 OG15 OG16 OG17 OG18 OG19 OG19 OG20 OG2022 $$(\frac{1}{2})^{-3}(\frac{1}{4})^{-2}(\frac{1}{16})^{-1}=$$
OG12 What is the units digit of $$({13})^{4}({17})^{2}({29})^{3}$$?
190113 What's the circumference of the circle whose area is $$\frac{9π}{4}$$ ?
190310 $$(x^2+2x+1)(x^2-2x+1)=x^4+1$$.x=?
190215 Which of the following options has the standard deviation greater than that of the sequence {- 20, - 10,0,10,20}?
OG18-数学分册 After 4,000 gallons of water were added to a large water tank that was already filled to $$\frac{3}{4}$$ of its capacity, the tank was then at $$\frac{4}{5}$$ of its capacity. How many gallons of water does the tank hold when filled to capacity?
OG19-数学分册 After 4,000 gallons of water were added to a large water tank that was already filled to $$\frac{3}{4}$$ of its capacity, the tank was then at $$\frac{4}{5}$$ of its capacity. How many gallons of water does the tank hold when filled to capacity?
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If set consists of all three-digit positive integers which are divisible by , then what is the arithmetic mean of ?
PREP07 Test 1 A 4-person task force is to be formed from the 4 men and 3 women who work in Company G's human resources department. If there are to be 2 men and 2 women on this task force, how many different task forces can be formed?
PREP07 Test 2 Is |k | = 2 ?(1) $$k^2 = 4$$(2) k = |2|
PREP07 Test 1 Of the 12 temporary employees in a certain company, 4 will be hired as permanent employees. If 5 of the 12 temporary employees are women, how many of the possible groups of 4 temporary employees consist of 3 women and 1 man?
PREP07 Test 2 Jane walked for 4 miles. What was her average speed for the first 2 miles?(1) Jane's average speed for the 4 miles was 3.2 miles per hour. (2) It took Jane 15 minutes longer to walk the second 2 miles than it took her to walk the first 2 miles.
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For how many values of x does x^{<font color='#FE8080'>4</font>}-4x^{3} + 4x^{2}=0?
Manhattan Which of the following is greater than $$\frac{3}{4} $$?
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A box contains b blue balls and r red balls. If 4 blue balls and 3 red balls are added to the box, and if one ball is obtained at random from the box, then the probability that a blue ball is obtained can be represented by
PREP07 Test 1 If $$(\frac{1}{5})^{m}(\frac{1}{4})^{18}=\frac{1}{2(10)^{35}}$$, then m =
PREP07 Test 2 $$2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 =$$