Answer:
No, the point (273, 2) does not lie on the circle that is centered at the origin and contains the point (0, -4)
Step-by-step explanation:
The circle centered at the origin that contains the point (0,-4) has equation:
If the point (273,2) lies on this circle , then it must satisfy this equation:
Since
The point does not lie on this circle.
I am sorry but it is just an example !
Question ) A university has 30,330 students. In a random sample of 270 students, 18 speak three or more languages. Predict the number of students at the university who speak three or more languages.
Answer ) 2,022 students will speak three or more languages
Here's why:
Using proportions.
18. x
--- =. ----
270. 30,330
Cross multiply
18 x 30,330 = 545,940
270 multiply x = 270x
545,940 divided by 270 = 2,022
x = 2,022 students
Answer:
6
Step-by-step explanation:
2+2+2+2+2+2=12
6x2=12
Answer:
$2.50
Step-by-step explanation:
Ashley bought two packets less so the $5 is the cost of two packets so just divide 5 by 2
Answer: X= -8
1) Move all X’s to left side by subtracting 14x from both sides.
Leaves you with -3x=24.
2) -3x=24 is the same as 3x= -24
3) Divide both sides by 3 to get X= -8
