The diagonals form four congruent arcs. true or false?
1 answer:
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Answer:
Step-by-step explanation:
7). Ratio of the students who name hockey as their favorite sport to hose who name basketball.
Ratio =
=
= 1 : 5
Option W is the answer.
8). Ratio of the students whose favorite sport is either baseball or soccer to the total students,
Ratio =
=
=
= 11 : 19
Option O is the answer.
9). Ratio of the students who prefer soccer, basketball, baseball or hockey to those who preferred another sport,
Students who prefer soccer, basketball, baseball or hockey = 8 + 5 + 3 + 1 = 17
Students who prefer another sport = 2
Ratio = 17 : 2
Option K is the answer.
10). Ratio of total number of students to the students who preferred a sport with round ball,
Ratio =
= 2 : 17
Option P is the answer.
Answer: and
Step-by-step explanation:
First, we are told "sum of 5 times one number, x, and 4 times a second number, y, is 75":
(1)
Then, we are told "he sum of the two numbers is 18":
(2)
At this point we have our system of equations and now we are able to find the values of and
.
So, let's begin by isolating from (2):
(3)
Substituting (3) in (1):
(4)
Finding :
(5) This is the value of
Substituting (5) in (1):
(6)
Finding :
(7)
(8) This is the value of