Answer: X=-1
Step-by-step explanation:
Answer:
x² + 4x + 20 = 12x - 5
x² + 4x - 12x + 20 + 5 = 0
x² - 8x + 25 = 0
Δ = √b² - 4ac
= √(-8)² - 4×1×25
= √64-100
= √(-36)
x ∉ R
Answer:
<h2>
42 trees</h2>
Step-by-step explanation:
<h3>
48/1 x 7/8 = 6/1 x 7/1 (Simplify 48 and 8 because they have the common factor of 8)=42/1= 42</h3>
The overall equation we can generate from the problem is:
C = (28 + p) * x
where C is the total cost, p is the payment for the
locker, and x the number of people
We can calculate for p:
180 = (28 + p) * 5
28 + p = 36
p = 8
Therefore the cost of one person, x = 1:
C = (28 + 8) * 1
C = $36
Answer:
<span>$36</span>
