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mash [69]
2 years ago
13

Ray wants to buy a hat that costs $10 and some shirts that cost $12 each.

Mathematics
1 answer:
Gre4nikov [31]2 years ago
5 0
ANSWER: 0.65 + 0.78s
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Find the domain of the given function. f(x) = square root of quantity x plus eight divided by quantity x plus four times quantit
BaLLatris [955]

Your f(x)=sqrt[x+8]/(x+4)(x-6) is MUCH clearer, but not 100% clear.  I will assume that your denominator here is the product of (x+4) and (x-6):

           √x+8)

f(x) = ------------------    

          (x+4)(x-6)

We cannot divide by zero.  Thus, x cannot be -4 and cannot be 6.

Thus, the domain is:

(-infinity, -4) or (-4, 6) or (6, infinity).





7 0
4 years ago
Find the net area and the area of the region bounded by y=8cos and the x-axis between x=-pi/2 and x=pi
Andrej [43]
The net area of the region in relation to the x-axis, is just the integral at those bounds, thus

\bf \displaystyle \int\limits_{-\frac{\pi }{2}}^{\pi }~8cos(\theta )\cdot d\theta \implies 8\int\limits_{-\frac{\pi }{2}}^{\pi }~cos(\theta )\cdot d\theta
\\\\\\
\left. 8sin(\theta )\cfrac{}{}  \right]_{-\frac{\pi }{2}}^{\pi }\implies [8sin(\pi )]~-~\left[8sin\left(-\frac{\pi }{2}  \right)  \right]\implies [0]-[-8]\implies 8
8 0
3 years ago
The polynomial y=x^2+4x+4 has a repeated factor
lions [1.4K]
Yes,
x^2 -4x+4
= x^2 -2x-2x +4
= x (x-2) -2 (x-2)
= (x-2)(x-2)

As you can see it has repeated factor.
6 0
3 years ago
Express 16.54 as a mixed number.
Reptile [31]

Answer:

16 27/50

Step-by-step explanation:

6 0
4 years ago
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Which of the following is equalvalit to the expression shown, 4x + 3(2x - 1) - 4x
Sladkaya [172]
The answer is A. 6x - 3
5 0
4 years ago
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