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Two positive numbers differ by 12 and their reciprocals differ by$$\frac{4}{5}$$ What is their product?
Which if the following is a possible value of y- 4 if $$({3}{y}-{8})^{2}={2},{500}$$?
300难题 How many positive integers n have the property that both 3n and n/3 are 4-digit integers?
For each of the following combinations of Kaxna artifacts, select Yes if, based on the information provided, the cost of all pertinent techniques described can be shown to be within the museum's first-year Kaxna budget. Otherwise, select No.
The product of two consecutive positive integers CANNOT be
Magoosh What is the value of $$x^4y^2-$$$${x^4}\over{y^2}$$(1) x = 2y(2) y = 1
OG19-数学分册 Is xy> 5? (1) $$1 \leq x \leq 3$$ and $$2 \leq y \leq 4$$. (2) $$x+ y= 5$$
OG20 OG2022 If a and b are integers, is $$a^{5}$$ < $$4^{b}$$ ? 1.$$a^{3}= –27$$ 2.$$b^{2} = 16$$
Magoosh What is the value of x?(1) $$\sqrt{x^4}=9$$(2) $$\sqrt{x^2}=-x$$
What is the value of xy?(1)$${2}^{(x+y)}=4$$(2)$${2}^{(x+3y)}=16$$
Is |v-x|<8(1)v and x are integers.(2)|v|= 4 and |x|= 6
190124 $$y_1$$=$$x^{2}$$-3,$$y_2$$=2x+5,is $$y_1$$ > $$y_2$$ ? 1：x > -2 2：x < 4
Ready4

Of 8 people having a meal, 5 are having fries, 4 are having burgers and 3 are having bacon. No other food is at the table. Each person is eating at least 1 item. If exactly 4 people are eating exactly 2 food items, how many people are eating all 3 items?
OG16 OG17 OG18 OG19 OG20 OG2022 Working simultaneously and independently at an identical constant rate, 4 machines of a certain type can produce a total of x units of product P in 6 days. How many of these machines, working simultaneously and independently at this constant rate, can produce a total of 3x units of product P in 4 days?
OG17 OG16 OG18 OG19 OG20 OG2022 For a party, three solid cheese balls with diameters of 2 inches, 4 inches, and 6 inches, respectively, were combined to form a single cheese ball. What was the approximate diameter, in inches, of the new cheese ball?(The volume of a sphere is $$\frac{4}{3}\pi{r}^{3}$$, where r is the radius.)
191222 The sum of the squares of the first n positive integers is a multiple of 4, what is n likely to be?
If r(r-4)=12 where r represents a positive integer, then $${(r-2)}^{2}+10=$$
Manhattan What percent of x is $$\frac{3}{4}$$?(1) x = 5y(2) y = 10
181215 x=? 1：$$x^{6}$$+$$x^{4}$$+$$x^{2}$$=0 2：$$x^{2}$$+x=0
Ready4

If A = 12! + 14! + 6, which of the following numbers is a factor of A ?