Answer: 1/5
Step-by-step explanation: just subtract and borrow. You got this!
Ratio is 5girls:7boys with total 72 students
5+7= 12
72➗12= 6
6(5:7)= 30 girls : 42 boys
New ratio is 3:4 with 48 boys
48➗4= 12
So for girls 3x12= 36
So started with 30 girls ended with 36 girls... 6 girls joined band during the school year.
Answer: Obtuse
Step-by-step explanation:
The 2 angles add up to 85
180 - 85 = 95
95 is an obtuse angle
Definition of an obtuse triangle states that there is one obtuse angle
:)
Answer:
10 experiments
Step-by-step explanation:
Given:
Amount of substance A =
Amount of substance B =
Total amount of mixture =
Now, amount used for each experiment =
So, number of experiments conducted =
Therefore, the number of experiments conducted are 10.
Divide by -1 to cancel the negative signs