Answer:
1) 1/2 2) -16
Step-by-step explanation:
28-22=6
17-5=12
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6/12=1/2
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2) (11*2-42)+4=(22-42)+4=-20+4=-16
Answer:
I think I'm doing this right?
Step-by-step explanation:
4.3
----
a. 4.3
b. 4.3
c. 4
Answer:
x = 7.5
Step-by-step explanation:
A line parallel to a side of a triangle and intersecting the other 2 sides, divides those sides proportionally, that is
=
( cross- multiply )
8x = 60 ( divide both sides by 8 )
x =
= 7.5
Answer:
3/215
Step-by-step explanation:
Integer numbers prime factorization
3 is a prime number, it cannot be broken down to other prime factors
215 = 5 × 43
Multiply all the common prime factors, by the lowest exponents.
But the two numbers have no common prime factors
gcf, hcf, gcd (3; 215) = 1