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LUCKY_DIMON [66]
4 years ago
12

What is 3^x -3^2x +3^x ?​

Mathematics
1 answer:
crimeas [40]4 years ago
4 0

Answer:

-9x+2 · 3x

Step-by-step explanation:

You factor the polynomial out and it factors out to

The answer above.

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Which numbers are included in the set of integers that when added to
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Wouldnt it be all of them?
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Which expression correctly represents.twice tje sum of four and a number
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Answer: Huh
Explanation
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4 years ago
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Sammy buys his clothes at super discounts. On saturday he bought shoes regularly priced at $40 for 25% off, and jacket regularly
Georgia [21]

Answer:

A. $100

B. 29%

Step-by-step explanation:

A. To find total price of the items Sammy bought we will add the price of shoes and jacket after discount.

Let us find price of shoes after 25% discount.

\text{Price of shoes after discount}=40-(\frac{25}{100}*40)

\text{Price of shoes after discount}=40-(\frac{1}{4}*40)

\text{Price of shoes after discount}=40-10=30

Therefore, price of shoes after discount is $30.

Now let us find price of jacket after 30% discount.

\text{Price of jacket after discount}=100-(\frac{30}{100}*100)

\text{Price of jacket after discount}=100-30

\text{Price of jacket after discount}=70

Therefore, price of jacket after discount is $70.

Now let us add both prices to find the total price of the items.

\text{Total price of items}=30+70

\text{Total price of items}=100

Therefore, the total price of the items bought by Sammy is $100.

B. To find the percent discount which Sammy got on his total purchases, we will use percent change formula.

\text{Percent change}=\frac{\text{Difference}}{\text{Original value}}\times 100  

Total price without discount= 100+40=140

\text{Discount percent}=\frac{140-100}{140}\times 100

\text{Discount percent}=\frac{40}{140}\times 100

\text{Discount percent}=0.2857142857142857\times 100

\text{Discount percent}=28.57142857142857\approx 29

Therefore, Sammy got approximately 29% discount on his total purchases.


7 0
4 years ago
Which graph is the graph of this fucntion
OverLord2011 [107]
<h2>Answer:</h2>

Graph C

<h2>Step-by-step explanation:</h2>

This is a piecewise-defined function because it is defined by two equations over a specified domain and this domain is [0,5]. The first function comes from the pattern of the square root function f(x)=\sqrt{x} and the second one is a linear function.

The graph of 3\sqrt{x+1} has been shifted one unit to the left of f(x)=\sqrt{x} and stretched vertically where each y-value is multiplied by 3.

Moreover, we can prove that:

The graph of 3\sqrt{x+1} passes through points (0,3) and (3,6):

y= 3\sqrt{x+1} \\ \\ \\ \bullet \ (0,3): \\ \\ let \ x=0: \\ \\ y= 3\sqrt{0+1} \therefore y=3\sqrt{1} \therefore y=3(1) \therefore y=3 \\ \\ \\ \bullet \ (3,6): \\ \\ let \ x=3: \\ \\ y= 3\sqrt{3+1} \therefore y=3\sqrt{4} \therefore y=3(2) \therefore y=6

It passes through these points.

The graph of 5-x passes through points (5,0) and (3,2):

y=5-x \\ \\ \\ \bullet \ (5,0): \\ \\ let \ x=5: \\ \\ y=5-0 \therefore y=5 \\ \\ \\ \bullet \ (3,2): \\ \\ let \ x=3: \\ \\ y=5-3 \therefore y=2

It passes through these points.

____________________

<h3>Finally, the graph is shown bellow and matches Graph C.</h3>

6 0
3 years ago
Your family went out to eat. The total bill was
babunello [35]
I’m pretty sure it is somewhere around 10.275. Because if you take 15% of 68.50 that is what comes up. I’m not sure if this is right but I hope it helps
7 0
3 years ago
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