Answer:
9.6 mL
Step-by-step explanation:
If x is mL of chemical X, and y is mL of chemical Y, then:
x + y = 16
0.05x + 0.09y = 0.074(16)
Solve the system of equations using substitution.
0.05(16 − y) + 0.09y = 0.074(16)
0.8 − 0.05y + 0.09y = 1.184
0.04y = 0.384
y = 9.6
You need 9.6 mL of Y.
A cube has six faces,8 vertices and 12 edges
Answer:
its decreasing. .........
Step-by-step explanation:
given,
r = 3
q = 1
w = -2
a/q
the expression is
after inserting values we got,
ans is -5/9
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