2 years ago

What is the domain of f(x)= 10x1-(4) ?

Mathematics

1 answer:

MakcuM [25]2 years ago

5 0

Answer:

Domain:(−∞,∞),{x|x∈R}

Step-by-step explanation:

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12x=4(x-5) then x equals?

exis [7]

12x=4(x-5)

distributive property to get rid of parenthesis 12x=4x-20

subtract x from one side to get the variable on one side 8x=-20

divide 8 by -20

x=-2.5

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3 years ago

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The number of patients treated at Dr. White's dentist office each day for nine days is 10, 6, 4, 15, 6, 8, 6, 15, 4. Find the me

Umnica [9.8K]

Mean: 60.6666
Median: 6
Mode: 6

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3 years ago

If a dress costs $27,000 when it is on sale for 10% off, what is its original cost?

Ede4ka [16]

Answer:

30,000

Step-by-step explanation:

10% of 30,000 is 3,000

30,000 - 3,000 = 27,000

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2 years ago

the area of a window is 40 square feet. the length is the square root of 20 feet. what is the width of the window

Irina18 [472]

----------------------------------------------------
Given information
----------------------------------------------------
Area = 40ft²
Length = √20 ft

----------------------------------------------------
Formula
----------------------------------------------------
Area = Length x Width

----------------------------------------------------
Find Width
----------------------------------------------------
40 = √20 x width
Width = 40 ÷ √20
Width = 40 ÷ 2√5
Width = 20 ÷ √5
$Width = \frac{20}{ \sqrt{5} }$

$Answer: \boxed {Width = \frac{20}{ \sqrt{5} }}$

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3 years ago

Evaluate 3x² - 4xy + 2y² - 1 for x = - 3 and y = 5

zhannawk [14.2K]

Answer:

$3x^{2} - 4xy + 2y { }^{2} - 1 \\ 3 \times ( - 3) { }^{2} - 4 \times ( - 3) \times 5 + 2 \times 5 {}^{2} - 1 \\ (3 \times 9) - ( - 60) + 50 - 1 \\ 27 + 60 + 50 - 1 \\ 165$

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1 year ago

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