Answer:
since the unknown amount can buy 100 pencils
he bought 70 pencils
therefore $4.50 can buy 30 pencils
so 1 pencils cost $4.50 /30=0.15
Answer:
3
Step-by-step explanation:
A coefficient is a numerical factor that contains a variable.
In this case, 3 is a numerical factor and contains a variable (y).
Hence,
3 is the coefficient of the expression.
1 is the simplest form since the line means division. 54 divided by 54 is 1.
Answer:
x = 76.9
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
tan theta = opp side / adj side
tan 70 = x/28
28 tan 70 = x
x=76.92936
Rounding to the nearest tenth
x = 76.9
