Answer:
522
Step-by-step explanation:
Find the percent of students in her class that have a dog or cat:
- Set up a proportion:
- Cross multiply, then divide: 18 × 100 = 1800, 1800 ÷ 30 = 60
- So, 60% have a dog or cat
Find 60% of the total amount of students in Monique's school:
- 60% of 870 =
× 
- ×
I hope this helps!
Answer:
C. Ф = 4 radians
Step-by-step explanation:
Given,
Radius of the Circle (r) = 3cm
Length of the Arc (S) = 12cm
In any circle of radius r, the arc length S to the circumference equals the ratio of the angle θ subtended by the arc at the centre and the angle in one revolution. Thus, measuring the angles in radians, S=rθ.
Therefore, S = r*Ф
12 = 3*Ф
Hence, Ф = 4 radians
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Answer:
Complex and imaginary number
Step-by-step explanation:
First, let's write the number
in the form of 
.
Since can be written in the form of 
, where 
and 
are real numbers, it is a complex number.
Also, since 
, it is also an imaginary number.
is complex and imaginary.
The answer is 8, just divide 6 by 48. Hope it helped.
