Answer:
x = 3
y = 8
Step-by-step explanation:
ok we will substitute
y = x + 5
into the second equation
4x + y = 20
4x + (x + 5) = 20
5x + 5 = 20
5x = 15
x = 3
y = x + 5 = 3 + 5 = 8
Answer: 24.7
Step-by-step explanation:
Answer:
x=6
Step-by-step explanation:
:))))))))))))))))))
Answer:
The 1st one for the first pic and I'm not sure but c for the 2nd one
Answer:
About 35 trees in a state park are infected with insects
Step-by-step explanation:
we know that
7 out of 190 trees are infected with insects
so
using proportion
Find out about how many of the 950 hemlock trees in a state park are infected with insects

therefore
About 35 trees in a state park are infected with insects