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3 years ago

4-3+2(x-1) if x = 1Help me plzzzz

Mathematics

1 answer:

motikmotik3 years ago

3 0

Just replace x with 1.

4-3+2(1-1)

then solve

4-3+2(0)

4-3 + 0

1 + 0

1 is the answer.

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A new television set was recently purchased for the common room in a residence hall for $436.80 including tax the tax rate is 4%

garri49 [273]

Answer:

The price of the television before taxes is $420

Step-by-step explanation:

* Lets explain how to solve the problem

- The purchased price = cost price + taxes

- A new television set was recently purchased for the common room

in a residence hall for $436.80

- This price including tax

- The tax rate is 4%

- We need to find the price of the television before taxes

* <em>Lets solve the problem</em>

- Assume that the price of the television before tax is 100%

∵ The tax rate is 4%

∵ The price after tax = price before tax + tax

∵ The price before tax = 100%

∴ The price after tax = 100% + 4% = 104%

∵ 104% equivalent to $436.80

∴ 100 ⇒ ?

104 ⇒ 436.80

- <em>By using cross multiplication</em>

∴ ? = $\frac{(436.80)(100)}{104}=420$

∴ The price of the television before taxes is $420

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aalyn [17]

Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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3 years ago

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Ostrovityanka [42]

Hi there! The answer is D.

The parent function is the simplest form of a function. We can distinguish a variety of parent functions like linear, exponential, square root, absolute, logarithmic, quadratic, cubic, rational or constant (trigonometric functions excluded).

Now we can have a look at the function.
$y = \sqrt{5x + 6}$

The thing that is the most important in this function is the square root, because this mainly decides the way the function looks. Therefore, the parent function is the simplest form of a square root function, which is the following:
$y = \sqrt{x}$

Therefore the answer is D.
~ Hope this helps you!

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3 years ago