Answer:
Explanation:
Find x:
f(x) = g(x)
x^2+2x-1 = 5x+3
x^2+2x-5x-1-3 = 0
x^2-3x-4 = 0
(x-4)(x+1) = 0
=> x-4 = 0 => x = 4
=> x+1 = 0 => x = -1
Find f(-4):
(-4)^2 + 2(-4) - 1
= 16 - 8 - 1
= 7
Find g(9):
5(9) + 3
= 45 + 3
= 48
Answer:
(42, 21) or (–42, –21)
Step-by-step explanation:
let A(x, y), A on line 2y = x
distance
x² + y² = 2205
(2y)² + y² = 2205
y² = 441
y = ±21
x = ±42
Answer:
diameter of #12 wire = (80.80 0.001) = 0.08080 inches
Step-by-step explanation:
i) #12 wire is 80.80 mils
ii) Therefore diameter of #12 wire = 80.80 mils.
iii) 1 mil = 0.001 inch
iv) therefore diameter of #12 wire = (80.80 0.001) = 0.08080 inches
Answer:
16 is a composite number, and it is 4 squared. 16 = 1 x 16, 2 x 8, or 4 x 4. Factors of 16: 1, 2, 4, 8, 16. Prime factorization: 16 = 2 x 2 x 2 x 2, which can also be written 16 = 2⁴. Since √16 = 4, a whole number, 16 is a perfect square.
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Answer:
x < -4
Step-by-step explanation:
-64/16 = -4