Let f (x) be an even function defined on R, which is an increasing function on [0, positive infinity), and f (1 / 3) = 0, then find the solution set of the inequality f (log (1 / 8) bottom x) > 0

Let f (x) be an even function defined on R, which is an increasing function on [0, positive infinity), and f (1 / 3) = 0, then find the solution set of the inequality f (log (1 / 8) bottom x) > 0

That is log (1 / 8) bottom x > 1 / 3 X

8 (x-6.2) = 41.6 (x-3) / 2 = 7.5 how to solve these two equations

8（x-6.2）=41.6
8x-49.6=41.6
8x=91.2
x=11.4
----------------
（x-3）/2=7.5
x/2-3/2=7.5
x/2-1.5=7.5
x/2=9
x=4.5

It is known that the center of ellipse C is at the origin and the focus is on the coordinate axis. The intersection point of the line y = 3 / 2x and ellipse C in the first quadrant is point M. the projection of m on the x-axis is just the right focus F2 of ellipse C. the other focus of ellipse C is F1, and MF1 * MF2 = 9 / 4 (I). Solve the equation of ellipse C
(2) The line L passes through the point (- 1,0) and intersects the ellipse C at two points PQ. The maximum area of the inscribed circle of the triangle f2pq is obtained

(1) The intersection of the line y = 3 / 2x (1) and the ellipse C in the first quadrant is the projection of point m on the x-axis, which is exactly the right focus of the ellipse C. F 2 knows that the focus is on the x-axis and the coordinates of point m (C, 3C / 2). F 1 (- C, 0), F 2 (C, 0)
Then MF1 * MF2 = (0,3c / 2) * (2c, 3C / 2) = 9C / 4 = 9 / 4, C = 1
Let the elliptic C equation: x ^ 2 / A ^ 2 + y ^ 2 / b ^ 2 = 1 (a > b > 0)
① Substituting into 2, we can get B ^ 2 / a = 3C / 2. In addition, we can get a = 2, B = √ 3 from C = 1
The elliptic C equation is x ^ 2 / 4 + y ^ 2 / 3 = 1
(2) When the line L passes (- 1,0) and is perpendicular to the X axis, the area of the inscribed circle of △ f2pq is the largest
Its radius r = 3 / 4, its area s = 9 π / 16

Solution equation: 3 / 7 x △ 2 = 9 / 10 (60% + x) × 3 = 2.4200 + 360 = 308

Three out of seven x △ 2 = nine out of ten
3/14x=9/10
x=9/10÷3/14
x=21/5
（60%+X）×3=2.4
0.6+x=2.4÷3
x=0.8-0.6
x=0.2

What degree of COS is equal to 0.925?

22.33164501

1. The solutions of equation 2x + a = 1 and equation 2 / 1X + 3 = x + 4 are reciprocal to each other. Find the solution of equation 9-3y = 2 / 1A + 5 about y. (I'm typing in capital letters) (you need to understand the formula) (content of Grade 7)
It's one out of two. Wrong number,

2x+A=1,——》x1=(1-A)/2,
(1/2)x+3=x+4,——》x2=-2,
x1*x2=1,——》A=2,
9-3y=A/2+5=6,——》y=1.

Fill the eight integers 1-8 in the following brackets to make the equation true: (& nbsp;) (& nbsp;) = 9 () () = () () ()

36＝918＝2754．

How to solve the equation 2x + 3 (10-x) = 26?

2x + 3(10 - x) = 26
2x + 30 - 3x = 26
3x - 2x = 30 - 26
x = 4

For such a set of data: 1, 2, 3, 4, 5, 6, 7, 8, 9
If the statistics are divided into 4 groups, how many groups should they be divided at least? (2 or 3?)

3 groups

10.1 is 2.15 more than a number. Find the number

Let this number be X,
10.1=x+2.15,
∴x=7.95.