Answer:
7
Step-by-step explanation:
The ratio of the similar triangles is
14 49
---- = ------
2 x
Using cross products
14x = 2*49
14x = 98
Divide by 14
14x/14 = 98/7
x =7
Answer:
0.090909090909091
Step-by-step explanation:
You cant put a bar on a computer you need a super computer to do so
Answer:
a) 
b) 
Step-by-step explanation:
a) We have the following equation:
(1)
Where
is the time is seconds,
is the distance in meters and
is the acceleration due gravity
If we divide numerator and denominator inside the square root by 2:

We will have:

Hence:

b) Using the same equation (1) with thw following data:

We will have the reaction time:
Answer:
Step-by-step explanation:
It would be 15 girls to 24 boys
Good evening ,
Answer:
∠b = 12°
Step-by-step explanation:
∠a and ∠b are complementary angles ⇔ ∠a + ∠b = 90
Then ∠a =90 - ∠b = 90 - 78 = 12°
:)