Answer: 2 times the square root of 10=x
Step-by-step explanation: 6^2+2^2= x^2
36+4=x^2
40=x^2
2 root 10=x
Answer:
23pupils
Step-by-step explanation:
Given parameters:
Number of 18th grade boys this year = 18
Percentage decrease = 28%
Unknown:
How many 8th grade teams were there last year = ?
Solution:
Since this is a percentage decrease, ;
Number of pupils this year = Number of pupils last year - (28% x 18 )
18 + (28% x 18 ) = Number of pupils last year
Number of pupils last year = 23pupils
Answer:
1.25
Step-by-step explanation:
100 divided by 4 = 25
60 divided by 4 = 15
30 divided by 4 = 7.5
5 divided by 4 = 1.25
Answer:
I think it would be 98
Step-by-step explanation:
Just either add or divide.
Answer:
x are 42 and 138degees
Step-by-step explanation:
Given the expression sin x = 0.6691
sin x = 0.6691
Take the sin inverse of both sides
sin⁻¹(sin x) = sin⁻¹(0.6691 )
x = sin⁻¹(0.6691 )
x = 41.99
x = 42 degrees (to the nearest degree)
Since sin theta is positive in the second quadrant;
x = 180 -theta
x = 180 - 42
x = 138degrees
Hence the value of x are 42 and 138degees
