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sineoko [7]
3 years ago
14

The electric potential in a circuit is given by

Mathematics
2 answers:
Viefleur [7K]3 years ago
7 0
Hello there.
<span>
How long does it take for the potential to drop from 200 volts to 100 volts?
</span>0.36 - 0.15 = 0.21 s
shtirl [24]3 years ago
3 0
We are given with the equationL
V(t) = 320 e^(-3.1t)
At V = 200
200 = 320 e^(-3.1t)
t = 0.15 s

100 = 320 e^(-3.1t)
t = 0.36 s

It takes 0.36 - 0.15 = 0.21 s for the voltage to drop from 200 to 100 volts.
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An average person can type 40 words per minute. In order to find the probability that a person will type more than 100 words in
soldi70 [24.7K]

Answer:

d. 120 words

Step-by-step explanation:

This question can be solved by a simple rule of three.

An average person can type 40 words per minute. How many words can they type in 3 minutes?

1 minute - 40 words

3 minutes - x words

x = 40*3

x = 120

So the correct answer is:

d. 120 words

5 0
3 years ago
Hello! :)
Free_Kalibri [48]

Answer:okay I’m pretty smart it is c the answer  is 4:)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Easy question!!!! In the rhombus, 41-106. What are m 22 and m 23? The diagram is not drawn to scale.
jolli1 [7]

Answer:

Option 3

Step-by-step explanation:

7 0
3 years ago
What are the possible rational zeros for f(x)=3x^4+x^3-13x^2-2x+9?
GenaCL600 [577]
ANSWER

The correct answer is D.


EXPLANATION

The given function is

f(x) = 3 {x}^{4}  +  {x}^{3} - 13 {x}^{2}  - 2x + 9

According to the rational roots theorem, the possible rational roots of f(x) are all factors of 9 expressed over all the factors of 3,

\pm \frac{1}{3},\pm \frac{3}{3},\pm \frac{9}{3},\pm9


\pm \frac{1}{3},\pm 1,\pm 3,\pm9

The correct answer is D.
5 0
3 years ago
Can u help me please
xz_007 [3.2K]
<h3>Answer:  y = 3x+18</h3>

Slope = 3

Y intercept = 18

==================================================

Work Shown:

m = slope

m = (y2-y1)/(x2-x1)

m = (0-(-9))/(-6-(-9))

m = (0+9)/(-6+9)

m = 9/3

m = 3 ... is the slope

-------

y = mx+b

y = 3x+b .... plug in the slope

-9 = 3(-9)+b ... plug in the point (x,y) = (-9,-9)

-9 = -27+b

-9+27 = -27+b+27 .... adding 27 to both sides

18 = b

b = 18 ... is the y intercept

---------

We found that m = 3 is the slope and b = 18 is the y intercept

y = mx+b turns into y = 3x+18

8 0
3 years ago
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