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monitta
4 years ago
7

Please answer these three questions. There are 3 images attached below and they apply to each question, in order.

Mathematics
1 answer:
statuscvo [17]4 years ago
7 0
1a. It is because each x only has 1 y and it has an equation
1b. It is not a function because each x has more than 1 y.
1c. It is not a function because there can be no equation written for this graph.
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Write the Pythagorean theorem equation in an equivalent form with the a² isolated.
maria [59]

Answer:

a^{2}= -b^{2}+c^{2}

Step-by-step explanation:

Rewrite the Pythagorean Theorem equation in terms of a^{2}.

a^{2}+b^{2}=c^{2}

Subtract b squared from both sides.

a^{2}= -b^{2}+c^{2}

6 0
3 years ago
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Step-by-step explanation:

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3 years ago
What do i do for 8 times 9 to the 4th power?? please show your work....Thankyou! <3
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4 0
3 years ago
Identify the vertex of g(x) = (x+10)^2+2
RoseWind [281]

Answer:

(-10, 2)

Step-by-step explanation:

Compare:

g(x) = (x+10)^2+2

f(x)  = (x - h)^2 + k

Matching these up, term by term, we see that h = -10 and k = 2.  (h, k) represents the vertex of the parabola f(x)  = (x - h)^2 + k.

We conclude that the vertex of this parabola is (-10, 2).

7 0
3 years ago
The price of a television before tax is $1625.00. The total price with tax is $1,803.75. What is the rate of the sales tax?
Oksanka [162]

Answer:

11%

Step-by-step explanation:

A sales tax is placed on goods and services once the buyer and seller  agree on what the exchange of currency is.

In this case you take the tax on the 1625 and not the 1803.75.

The buyer agreed to buy the item for 1625 and the seller agreed to sell it for that amount. So the tax goes on 1625.

Tax amount = total price - selling price

Tax amount = 1803.75 - 1625

Tax amount = 178.75

That's not what you want. You want the % of the tax.

% Tax = (Tax Amount / Selling Price) * 100

% Tax = (178.75 / 1625) * 100

% Tax = 0.11 * 100

% Tax = 11%                        Answer

8 0
3 years ago
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