Answer:
x=5
Step-by-step explanation:
∠D=∠E (angles opposite to equal sides are equal)
So, 
=3x+10
10=-3x
10=x(x-3)
we know 5×2= 10 & 5-3=2,
So, 10=5×(5-3)
10=5×2
∴x=5
Answer:
15
Step-by-step explanation:
Joyce reserved number 1 for herself
Of all the possible combinations,
1 and 15 is a perfect match for a perfect square
So,Joyce dinner partner was number 15.
Answer:
Step-by-step explanation:
You have to find the GCF aka greatest common factor, then subtract those fractions. And if able to , simplify ur answer. but sometimes it might not be there
Answer:
19.3333333
Step-by-step explanation:
You make an improper fraction and multiply
