Answer:
B. x ≥ 1
Step-by-step explanation:
Step 1: Subtract 6x from both sides
4x + 16 ≥ 20
Step 2: Subtract 16 from both sides
4x ≥ 4
Step 3: Divide both sides by 4
x ≥ 1
And we have our answer!
You use the quadratic formula:
2x {}^{2} - 3x = 5
2x {}^{2} - 3x - 5 = 0
x = \frac{3 + - \sqrt{9 -4(2)( - 5)}}{2 \times 2}
x = \frac{3 + - \sqrt{49} }{4}
x = \frac{3 + 7}{4} \: and \: x = \frac{3 - 7}{4}
x = \frac{5}{2} \: and \: x = - 1
The answer b your welcome so much
Answer:
30°
Step-by-step explanation:
180-75-75=30
Answer: 1 1/4feet
Step-by-step explanation:
From the question, we are informed that the depth of the water in the pool changes by −3/4 foot every hour and that the depth of the water was 5 feet when she started draining.
The depth of the water after 5 hours will be:
= 5 - 3/4(5)
= 5 - 15/4
= 5 - 3 3/4
= 1 1/4 feet
