Answer:
The angles are 45°, 60° , 75°
Step-by-step explanation:
<h3>
Angle sum property:</h3>
Sum of all the angles of a triangle is 180°.
Equation:
3x + 5x + 4x = 180
Combine like terms,
12x = 180
x = 180/12

3x = 3 *15 = 45°
5x = 5* 15 = 75°
4x = 4 *15 = 60°
Answer:
700/900
Step-by-step explanation:
There are 900 beans in total.
There are 700 white beans
The ratio of white beans to all the beans is 700/900 or 700:900
Answer:
1.06
Step-by-step explanation:
d + 0.06d
= 1.06d
I am pretty sure this is the answer. Sorry if its wrong
Answer:
Angles G and H are congruent.
Step-by-step explanation:
Answer:
0.0001075
Step-by-step explanation:
The relation between halflife and rate at which it is decaying is given by

now in the above problem halflife is given as 2800 years substituting in the above equation we get the value of rate at which it is decaying to be rate=0.0001075.