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3 years ago

What is the length , in units , of line segment A'C'?

Mathematics

1 answer:

Alex17521 [72]3 years ago

7 0

With rotation, the values of the triangle won't change. So, A'C' is the same as AC. Good luck afterwards

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11. Any company plans to connect a total of 20 pF of capacitance to a 7200-V

vesna_86 [32]

Answer:

C = 80pF

Step-by-step explanation:

The total capacitance of 4 capacitors connected in series is given by:

$Ct = \frac{1}{1/C1 + /C2 + 1/C3 + 1/C4}$

$Ct = \frac{1}{1/C + /C + 1/C + 1/C}$

$Ct = \frac{1}{4/C}$

$Ct = \frac{C}{4}=20pF$

Solving for C:

C = 4*20pF

C = 80pF

3 0

3 years ago

Use the Factor Theorem to find ALL zeros of f(x) = x^3 - x^2 - 11x + 15, given that 3 is a zero. Show all work and express zeros

ELEN [110]

Answer:

Step-by-step explanation:

by synthetic division

3) 1 -1 -11 15

| 3 6 -15 (add)

____________

1 2 -5 |0

x²+2x-5=0

$x=\frac{-2 \pm\sqrt{2^{2} -4*1*-5} }{2*1} \\or~x=\frac{-2 \pm\sqrt{4+20} }{2} \\or~x=\frac{-2 \pm2\sqrt{6} }{2} \\or ~x=-1 \pm \sqrt{6}$

5 0

3 years ago

NEED HELP! will give brainiest!!

Flura [38]

Answer: 62999

Step-by-step explanation: sorry if wrong

3 0

2 years ago

Expand and simplify (3x+5)(4x-1)

Whitepunk [10]

Use FOIL and simply, First times First, Outside times Outside, Inside times Inside, Last times Last.

(3x+5)(4x-1)
3x * 4x = 12x²
3x * -1 = -3x
5 * 4x = 20x
5 * -1 = -5

12x² - 3x + 20x - 5

Now simplify by adding -3x to 20x and get:

12x² + 17x - 5

5 0

3 years ago

The local public transport authority is conducting research into commuter behaviour. A previous census indicated that the mean c

kondor19780726 [428]

Answer:

$H_0:\mu = 45$ and $H_a:\mu < 45$