Answer:
S(B(r))
Step-by-step explanation:
B = sleep hour
S = practice hour
S(B(r))
Answer:
60–x (smaller )
Step-by-step explanation:
Sum of all 4 angles of a quadrilateral = 360°
(5x-30) + (3x + 60) + (60-x) +(4x+ 50) = 360°
(12x - x) + ( 170 - 30) = 360°
11x + 140 = 360°
11x = 360 - 140 = 220
x = 220/11 = 20°
Each angles is :
5x - 30 = 100 - 30 = 70°
3x+ 60 = 60 + 60 = 120°
60 - x = 60 - 20 = 40°
4x + 50 = 80 + 50 = 130°
Smallest of these angles is 40°
Using proportions, it is found that Yes, there could be 5 kids, with 3 boys and 2 girls.
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount.
In this problem, supposing a total of 5 kids:
- More than 1/2 = 50% are boys, hence there are more than 2.5 boys, as 0.5 x 5 = 2.5.
- Less than 2/3 = 66.67% are boys, hence there are less than 3.33 boys, as 0.6667 x 5 = 3.33.
Hence, Yes, there could be 5 kids, with 3 boys and 2 girls.
More can be learned about proportions at brainly.com/question/24372153
4! Or 22 :))))))))))))))))))) hope I got it right!