Answer:
45 members are in the choir.
Step-by-step explanation:
Set up an equation:
Variable x = boys
3/6 = x/30
Cross multiply:
3 × 30 = 6 × x
90 = 6x
Divide both sides by 6:
15 = x
There are 15 boys.
To find the number of members in the choir, add the number of boys and girls:
30 + 15 = 45
Answer:
Hypothesis
Step-by-step explanation:
The scientist want to test an hypothesis which can be stated has the rock on earth contain the same as the moon which can call null hypothesis and the rock on earth did not contain the same element as the moon; the alternate hypothesis and both hypothesis can be tested by using experiment.
Answer:
14m
Step-by-step explanation:
To find the diagonal length of the triangle, your formula will be a² + b² = c²
the side length is a
and the base length is b
6 + 8 = 14
You have been halped
Answer:
h = 3ft
Step-by-step explanation:
feet = 2.4
length - 2.3 ft
width = 1.2 feet
The second one if im not wrong