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bazaltina [42]
2 years ago
5

F(x) 2 square root -x^2+10 x what’s the domain

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
4 0

The domain of the function are all real numbers greater than 10

<h3>Domain of a function</h3>

Domain are values of the independent variables for which the function exist.

Given the function below;

f(x)=2\sqrt{-x^2+10x}

For the function to exist, then;

-x^2+10x = 0

-x^2 = -10x

x = 10

Hence the domain of the function are all real numbers greater than 10

Learn more on domain here: brainly.com/question/26098895

#SPJ1

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Solve negative 5 over 2, the whole multiplied by x minus 5 equals negative 55.
astraxan [27]

Answer:

-24

Step-by-step explanation:

-  \frac{5}{2} x \:  - 5 = 55

Multiply through by the denominator (that is, 2)

= 2 \times ( -  \frac{5}{2} x) \:  - 5(2) = 55(2)

=  - 5x - 10 = 110

Collect like terms

- 5x \:  = 110 +10

- 5x = 120

Divide through by - 5x

\frac{ - 5x}{ - 5}  =  \frac{120}{ - 5}

x =  - 24

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4 years ago
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Will give brainliest! Please help
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1a,3b,5c,2d

Step-by-step explanation:

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3 years ago
What is 55% of 75<br> Pls show the work !<br> I really need help
Ahat [919]
75 (your whole) / .55 (percentage) =41.25
4 0
3 years ago
Rewrite the expression in the form x
Serga [27]

Answer:

See below (I hope this helps!)

Step-by-step explanation:

When dividing exponential terms of the same base, we can simply subtract the exponents, therefore:

\frac{x^{6} }{x^{8} } = x^{(6-8)} = x^{-2}

5 0
4 years ago
Find an equation of variation in which y varies inversely as x and y=5 and x=21. Then find the value of y when x=10.
finlep [7]

Answer:

see explanation

Step-by-step explanation:

Given that y varies inversely as x then the equation relating them is

y = \frac{k}{x} ← k is the constant of variation

To find k use the condition y = 5 , x = 21

k = yx = 5 × 21 = 105

y = \frac{105}{x} ← equation of variation

When x = 10, then

y = \frac{105}{10} = 10.5

7 0
3 years ago
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