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sladkih [1.3K]
3 years ago
15

Two vectors are given by a with arrow = 3 î + 6 ĵ and b with arrow = -1 î + ĵ. (a) find a with arrow ✕ b with arrow.

Mathematics
1 answer:
Kisachek [45]3 years ago
5 0
A  i think im not sure

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1. Suppose you take a coin and flip it 4 times in a row. After each flip you record whether the coin landed heads or tails. What
bekas [8.4K]

Answer:

25%

Step-by-step explanation:

Great question, since a regular coin has two sides one heads and one tails. That gives us a 50% probability of it landing on either side of the coin. Since we would like to know the probability of getting 2 heads in a row, we would need to multiply the probability of the first toss landing on heads with the second toss landing on heads, like so...

\frac{1}{2} *\frac{1}{2} =\frac{1}{4}

So we can see that the probability of us getting two heads in a row is that of \frac{1}{4}[/tex] or 25%.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

4 0
3 years ago
Solve The Following System of equations by graphing<br><br>3x + y = 5<br>x - 4y = 32​
Nostrana [21]

first you convert to slope intercept form

3x+y = 5 is the same as y = -3x+5

x - 4y = 32 is the same as y = 4x-8

then you graph

(starting with the y-intercepts as your first points)

the point where the two lines intercept is your solution.

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3 years ago
Compare the numbers using &lt; &gt; = 8,309,127_____8,409,127
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What is the prime factorization of 75,29, and 168
Anna35 [415]

Answer:

Step-by-step explanation:

75 = 5 *5* 3

29 is a prime number = 29*1

168 = 2*2*2*3*7

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3 years ago
Angle D=(7b+1) angle E=(2b+1) and angle F=(b+8) what is the measure of angle E
Mademuasel [1]

angleD=(7b+1)angle E=(2b+1)and angle F=(b+8)

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3 years ago
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