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ivolga24 [154]
3 years ago
6

What kind of compound event is this?

Mathematics
1 answer:
love history [14]3 years ago
5 0

Answer:

C) exclusive

Step-by-step explanation:

For exclusive events, P(A and B) = 0.  In other words, both events can't happen at the same time.

For inclusive events, P(A and B) ≠ 0.  Both events <em>can</em> happen at the same time.

Since 2 is not an odd number, the events are exclusive.

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Find a polynomial of degree 3 with real cofficients and zeros of -3,-1,4 for which f(-2)=24​
konstantin123 [22]

\bf \textit{zeros at } \begin{cases} x = -3\implies &x+3=0\\ x = -1\implies &x+1=0\\ x = 4\implies &x-4=0 \end{cases}\qquad \implies (x+3)(x+1)(x-4)=\stackrel{y}{0} \\\\\\ (x^2+4x+3)(x-4)=0\implies x^3~~\begin{matrix}+ 4x^2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~+3x~~\begin{matrix} -4x^2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~-16x-12=0 \\\\\\ x^3-13x-12=0

we know that f(-2) = 24, namely when x = -2, y = 24, let's see if that's true

\bf x^3-13x-12=y\implies \stackrel{x = -2}{(-2)^3-13(-2)-12}=y \\\\\\ -8+26-22=y \implies 6=y

darn!! no dice.... hmmmm wait a second.... 4 * 6 = 24, if we could just use a common factor of 4 on the function, that common factor times 6 will give us 24, let's check.

\bf 4(x^3-13x-12)=y\implies \stackrel{x = -2}{4[~~(-2)^3-13(-2)-12~~]}=y \\\\\\ 4[~~-8+26-22~~]=y\implies 4[6]=y\implies 24=y \\\\[-0.35em] ~\dotfill\\\\ ~\hfill 4x^3-52x-48=y~\hfill

4 0
3 years ago
The cruising speed of a boeing 747 is 250 m/s. at this rate what distance does it travel in one minute?
Tems11 [23]
250m/s = x m/min
250m/s = x min/ 60s
250•60 = 1500
The airplane will travel 1500m per minute
7 0
3 years ago
Read 2 more answers
Which pair of ratios form a proportion?
kumpel [21]
B.) 10:18 and 25:45
You can simplify this.
Divide the first part by 2.
5:9.
Divide the second half by 5.
5:9.
5:9 and 5:9
5 0
3 years ago
Identify the number that is 9.5 units from 2 on a number line
dusya [7]

There are two such numbers.

One of them is 2 + 9.5 = 11.5.

The other one is 2 - 9.5 = -7.5.

_____

If we consider "9.5 units from 2" to be 9.5 units in the positive direction, then the appropriate choice is 11.5.

6 0
3 years ago
Answer please, id appreciate some help:)?
Tems11 [23]
I believe that the answer is c but if you wanted to make sure you could figure out the correlation on a graphing calculator.
3 0
3 years ago
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