Cos minus seven sixths is equal to?

Cos minus seven sixths is equal to?

The root of minus two is three

One in 75 is equal to a few parts

Root (1 / 75) = (root 3) / 15
1 / 75 of (radical) = (radical 3) / 15

Root 0.03 is equal to?

1 times of the root 3

4 hours 15 minutes=______ Hours

15 △ 60 = 0.25 (hours); 4 + 0.25 = 4.25 (hours); so the answer is: 4.25

4 hours 15 minutes=______ Hours

15 △ 60 = 0.25 (hours); 4 + 0.25 = 4.25 (hours); so the answer is: 4.25

6.15 hours=______ Time______ Points

15 hours = 6:9

What songs are you singing on children's day? I'm in grade five, a girl.

On June 1 children's day, Yang bought 66 apples and 165 fruit sweets. The children were equally divided into the whole class.
1 minus one fifteenth is exactly two-thirds of a number. What's the number?
Speed, online, etc~~~~

66=11*6
165=11*15
Up to 11
Let this number be X
X-1/15=2X/3
X/3=1/15
X=1/5
This number is 1 / 5

There are 46 students in class 4 (1) of Guangming primary school. There are 24 boys. What is the number of boys in the class? What is the number of girls in the class?

Boy: 24 divided by 46 is 12 out of 23
Female: 46-24 = 22, then 22 divided by 46 equals 11 / 23
If you don't understand how to get here, I'll teach you~~

I read a 40 page book. I read a quarter of it the first day, a half the second day, and a few percent of it
Sorry, there are no points,

40-40 times 1 / 2-40 times 1 / 4 10 divided by 40 = 1 / 4
=40-20-10
=A: there is still a quarter left