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2 years ago

If the probability that an event will happen is 0.27, what is the probability that the event won't happen?

Mathematics

1 answer:

Natalija [7]2 years ago

4 0

0.73% because you just take 100 minus 27 then add your decimal

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Write an exponential function y= ab^x for a graph that includes (1,15) and (0,6)

slava [35]

<span>basically you write an exponential function for y=ab^x for a graph that includes (1,15) and (0,6)
then using (0,6) you get: 6 = ab^0
and using (1,15) you get 15 = ab^1

Equations:
a = 6
ab = 15
So, b = 15/6 = 5/2
Equation:
y = 6(5/2)^x</span>

8 0

2 years ago

Read 2 more answers

Pls help I'm in the test rn

monitta

Answer: 2005

Step-by-step explanation: Because, each year it goes down 4, but 50-4=46 not 44. I hope this helped!

7 0

2 years ago

How do you simplify #(-3 - 2i)(-3 + 3i)#?

dybincka [34]

So, ( -3 - 2i )( -3 + 3i ) = 9 - 9i +6i - 6i^2 = 9 - 3i - 6·(-1) = 9 + 6 - 3i = 15 - 3i;
We have / 15 +(- 3)i / = 15.29; $\sqrt{ 15^{2} + (-3)^{2} } = \sqrt{225 + 9} = \sqrt{234} =$

7 0

2 years ago

Please help will give brainliest!

Ipatiy [6.2K]

Answer:

Should be 1 if im not wrong Then Mark Me brainliest

Step-by-step explanation:

a negative times a neg equals a posative

Neg x pos = neg

pos x neg = neg

pos x pos = pos

neg x neg = pos

so if there greater then over neg<, >,=

You would look at the problem for given f(x)=

x → -1 and neg times neg more or less

-1 x -1 = 1

7 0

2 years ago

Carlos has taken an initial dose of a prescription medication.

Marat540 [252]

Answer:

3.48 hours

Step-by-step explanation:

The equation is:

$M(t)=20 e^{-0.86t}$

Where

M(t) is the amount of medication remaining in mg

t is the time it takes, in hours

The questions asks HOW LONG it will take to make the remaining medication to 1 milligrams (1 mg)??

We have to substitute M(t) with "1" and find the corresponding value of "t". We will use natural log to solve this. Shown below:

$M(t)=20e^{-0.86t}\\1=20e^{-0.86t}\\0.05=e^{-0.86t}\\Ln(0.05)=Ln(e^{-0.86t})\\Ln(0.05)=(-0.86t)Ln(e)\\t=\frac{Ln(0.05)}{-0.86}\\t=3.48$

<u>Note: </u> Ln(e) = 1

This means, the amount of time it will take is about 3.48 hours

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2 years ago