Evaluate the following algebraic expression at x = 4 and simplify your answer.
- 5x – 18 – 7x
1 answer:
Step by step:
first you need to plug in the x into the equation
-5(4)-18-7(4)
now you solve
-20-18-28
which equals
-66
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13.08x12 =156.96. All you have to do is multiply
Answer:
simple
Step-by-step explanation:
t=b×h/2 and p= b×h
Answer:
4 ft shadow=3 ft tall
?(x)=6 ft
4×6=3x
24=3x
24/3=x
8=x
that's my answer I think
Q +N =27
Q=27-N
0.25Q + 0.05N =3.75
0.25(27-N) + 0.05 =3.75
6.75-0.25N+0.05N=3.75
6.75-0.2N=3.75
-0.2N=-3
N=-3/-0.2 = 15
15 nickels
27-15 = 12
12 quarters
15x0.05 = 0.75
12 x 0.25 = 3.00
3.00 + 0.75 = 3.75
12 quarters & 15 nickels
a=1 b= c=Step-by-step explanation:
