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Alenkinab [10]
3 years ago
5

10 cards are numbered from 1 to 10 and placed in a box. One card is selected at random and is not replaced. Another card is then

randomly selected. What is the probability of selecting two numbers that are less than 6?
Mathematics
1 answer:
Mariana [72]3 years ago
8 0

5 numbers are less than 6

1st card: 5/10

2nd card (no replacement) 4/10

5/10*4/10 =20/100 = 1/5

Answer 1/5

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Ax + bx - 15 = 0;x<br> How do you solve this?
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Answer:

Step-by-step explanation:

ax+bx-15=0\\=> (a+b)x-15=0\\=>(a+b)x=15\\=>x=\frac{15}{(a+b)}

7 0
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Answer:

  1 -√2

Step-by-step explanation:

  \tan(x/2)=\dfrac{1-\cos(x)}{\sin(x)}\\\\\tan\left(\dfrac{1}{2}\cdot\dfrac{7\pi}{4}\right)=\dfrac{1-\cos\dfrac{7\pi}{4}}{\sin\dfrac{7\pi}{4}}=\dfrac{1-\dfrac{1}{\sqrt{2}}}{-\dfrac{1}{\sqrt{2}}}=\boxed{1-\sqrt{2}}

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3 years ago
Find the equation of the line passing through the points (2, -1) and (-6, -5)
timurjin [86]
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I know this because when I graphed this equation, it passed through those points. (My graph is shown below)

5 0
2 years ago
What is the slope-intercept form of the equation of the line that passes through the points (−3, 2) and (1, 5)?
IceJOKER [234]

Answer:

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Step-by-step explanation:

Step 1: Find slope <em>m</em>

m = (5 - 2)/(1 + 3)

m = 3/4

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Step 2: Find <em>b</em>

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Step 3: Rewrite equation

y = 3/4x + 17/4

8 0
3 years ago
Read 2 more answers
I need help with this!
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3 years ago
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