Answer:
Mark has 23 marbles, Don has 74 marbles
Step-by-step explanation:
Mark has x marbles, Don has y marbles
y = 5 + 3x
x + y = 97
so
x + (5 + 3x) = 97
4x = 97 - 5 = 92
x = 92/4 = 23
y = 97 - 23 = 74
Answer:
Heck no
Step-by-step explanation:
Answer:
4+4+2+2=12
Step-by-step explanation:
Given data:
The first given length is AC=53.
The second given length is AB= 45.
The expression for the Pythagoras theorem is,
Here, consider only positive sign of BC length as side cannot negative.
Thus, the BC length is 28.