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nikitadnepr [17]
3 years ago
14

Helppppppppppppppppppppppppppp

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0
The domain of the function f(x) is where the area under the square root (aka the radicand) is positive or zero. We have to write that the radicand is greater than or equal to zero, so 

\dfrac{1}{2}x-10 \geq 0.

C
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Solve this inequality: 3b – 7 < 32
forsale [732]
3b - 7 < 32 => 3b < 32 + 7 => 3b < 39 => b < 39÷ 3 => b < 13 Hope it helps !!!
5 0
4 years ago
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Find the value of $x$ that maximizes $$f(x) = \log (-20x + 12\sqrt{x}).$$ If there is no maximum value, write "NONE".
kakasveta [241]
The function is written as:
f(x) = log(-20x + 12√x)
To find the maximum value, differentiate the equation in terms of x, then equate it to zero. The solution is as follows.

The formula for differentiation would be:
d(log u)/dx = du/u ln(10)
Thus,
d/dx = (-20 + 6/√x)/(-20x + 12√x)(ln 10) = 0
-20 + 6/√x = 0
6/√x = 20
x = (6/20)² = 9/100

Thus,
f(x) =  log(-20(9/100)+ 12√(9/100)) = 0.2553

<em>The maximum value of the function is 0.2553.</em>
5 0
3 years ago
40 is what percent of 180
max2010maxim [7]

Answer:

25%?

Step-by-step explanation:

4 0
3 years ago
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PLEASE ANSWER FAST!IM TIMED——————————What is the sum of the fractions? Use the number line to help find the answer.
klasskru [66]
Can you take a picture of the question
6 0
4 years ago
Find the sum of the two fractions show your work 3/8 and 1/2​
Romashka [77]

Answer: 7/8

Step-by-step explanation: Notice that 1/2 and 3/8 are unlike fractions. Our first when adding unlike fractions is to get a common denominator.

The common denominator of 2 and 8 will be the least common multiple of 2 and 8 which is 8.

To get an 8 in the denominator of 1/2, we multiply the numerator and the denominator by 4 which gives us 4/8.

Notice that 3/8 already has an 8 in the denominator so we leave it how it is.

Now we are adding like fractions.

To add like fractions, or fractions that have the same denominator, simply add the numerators and keep the original denominator.

So here, if we add the numerators we have 4 + 3 which gives us 7 and we put this over our original denominator which is 8 and we have our answer. Also, notice that 7/8 is in lowest terms so it's our final answer.

This means that 3/8 + 1/2 = 7/8

5 0
3 years ago
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