Answer:
a) y = 117
b) z = 27
Step-by-step explanation:
I haven't done these in a while, but here is my try...
a)
y + 63 = 180
y = 117
b)
( 5z - 18 ) + 63 = 180
5z - 18 + 63 = 180
5z - 18 = 117
5z = 135
z = 27
Hopefully this helps!
Brainliest please?
87; If he gave two thirds of his remaining cards to Elaine, then he had one third left. If one third of his remaining cards is 25, then 25 x 3 will give you what he had after trading with Tommy. When he finished trading with Tommy he had 75 cards. if he gave away 15 cards, but got three back, then he must have had 87 cards to begin with.
Check your answer:
87-15 = 72
72+3 = 75
2/3 of 75 = 50
75-50 = 25
Great!
Answer:
Option B. x = 13
Step-by-step explanation:
In this question, we shall give a separate diagram which will help us to further understand the question.
Please see attached photo for further details.
To find the value of x we shall use the pythagoras theory as illustrated below:
x is the longest side Therefore,
x² = 12² + 5²
x² = 144 + 25
x² = 169
Take the square root of both side
x = √169
x = 13
Therefore, the value of x 13.