Answer:
1152
Step-by-step explanation:
4 boys and 4 girls be arranged in a row such that no two boys and no two girls are next to each other.
Two boys and two girls are not next to each other. so one boy and one girl are next to each other in two ways.
BGBGBGBG, GBGBGBGB
4 boys are arranged in 4! ways and 4 girls are arranged in 4! ways
So number of ways = 
Answer:
Rounded, 22 yards.
Step-by-step explanation:
The pythagorean theorem states: a^2 + b^2 = c^2
a = 34, squared = 1156
b = 41, squared = 1681
Add those to get 2837.
√2837 = 53.26, rounded.
34 + 41 = 75
75 - 53 = 22
22 yards is your answer.
Answer:
0.87
Step-by-step explanation:
If you divide 21÷24, you would get 0.87. The ratio is 87%, ignore the 0
Price of DVD player ≥ $150
Saved = $80
Amount needed = $150 - $80 = $70
Saving per week = $10
Let x be the number of weeks needed:
80 + 10x ≥ 150
10x ≥ 150 - 80
10x ≥ 70
x ≥ 70 ÷ 10
x ≥ 7
Answer: She needs to save for for at least 7 weeks.
Answer:
C
Step-by-step explanation:
y=mx+b
m(slope)=rise/run=1
b(y intercept)=2
y=x+2
