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sdas [7]
3 years ago
11

I need help on these 3.

Mathematics
1 answer:
defon3 years ago
4 0
It’s a positive, the line starts at -12 and goes through 4
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you roll a single die number 1 to 6 twice. what is the probability of rolling a 6 the first time and an odd number the second?
Ulleksa [173]
If you were to roll a 6 the first time it be 1/6 and for rolling an odd number 3/6
5 0
4 years ago
Find (f•g)(x) when f(x)=sqrt x+3/x and g(x)=sqrt x+3/2x
elena-14-01-66 [18.8K]
For multiplying radical expressions, we are first to list down the given.
  f(x) = (x + 3/x)^(1/2),   and
  g(x) = (x + 3/2x)^(1/2) 

We take a look at first the values of the radicands, these are the numbers inside the radical signs. Since, both of the radicands are raised to exponent 1/2, it is easy to say that we just have to multiply them and raise the product to the exponent 1/2 as well. That is,
 
(f·g)(x)  = ((x + 3/x)(x + 3/2x))^(1/2)

Simplifying,
(f·g)(x) = ((x² + 3/2 + 3 + 9/2x²)^(1/2))

Further simplification will lead us to the final answer of,
<em>(f·g)(x) = (x² + 9/2 + 9/2x²)^(1/2)</em>
3 0
4 years ago
4(x-b)=x solve for x please thanks
Allushta [10]
<span><span>4<span>(<span>x−b</span>)</span></span>=x</span>Step 1: Add -x to both sides.<span><span><span><span>−<span>4b</span></span>+<span>4x</span></span>+<span>−x</span></span>=<span>x+<span>−x</span></span></span><span><span><span>−<span>4b</span></span>+<span>3x</span></span>=0</span>Step 2: Add 4b to both sides.<span><span><span><span>−<span>4b</span></span>+<span>3x</span></span>+<span>4b</span></span>=<span>0+<span>4b</span></span></span><span><span>3x</span>=<span>4b</span></span>Step 3: Divide both sides by 3.<span><span><span>3x/</span>3</span>=<span><span>4b/</span>3</span></span><span>x=<span><span>4/3</span>b</span></span>Answer:<span>x=<span><span>4/3</span><span>b</span></span></span>
4 0
3 years ago
Simplify the expression square root of -1 over (3+8i) - (2+5i)
Lynna [10]

\frac{i}{(3 \:  +  \: 8i) \:  -  \: (2 \:  +  \: 5i)}  \:  =  \:  \frac{i}{1 \:  +  \: 3i}  \:  =  \:  \frac{i}{1 \:  +  \: 3 i}  \:  \times  \:  \frac{1 \:  -  \: 3i}{1 \:  -  \: 3i}  \:  =  \:  \frac{i \:  +  \: 3}{1 \:  +  \: 9}  \:  =  \:  \frac{3 \:  +  \: i}{10}A) (3 + i)/10
8 0
3 years ago
180 = 16x -5+5х+4+90
k0ka [10]

Answer:

<u>What is your question?</u>

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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