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12345 [234]
3 years ago
14

Please help me someone

Mathematics
1 answer:
posledela3 years ago
6 0
To solve this, you need to know three exponent rules:
1) Power of a product
Basically says (ab)^{2} =  a^{2}  b^{2}. This means a product raised to a power is the same as taking each factor to that power and multiplying them.

For example: (5a)^{2}  = 5^{2} a^{2}

2) Product of powers
Basically says a^{m}  a^{n} =  a^{m+n}. When two expressions with the same base (a) are multiplied, you can add their exponents while keeping the same base.

For example: a^{2}  a^{3} = a^{2+3} =  a^{5}

3) Power of a power
Basically says (a^{m})^{n} =  a^{m \times n}. When an exponent is being raised to a exponent, you can multiply the exponents.

For example: (a^{2})^{3} = a^{(2 \times 3)} =  a^{6}
----

Back to your problem:
You are asked to simplify (6x^{2} y)^{2} (y^{2})^{3}, Tackle it by simplifying both factors and then multiplying them together and simplifying again.

1) First use the power of a product rule to change (6x^{2} y)^{2} into 6^{2}  (x^{2})^{2}  y^{2}. Simplify it into 
36 x^{4}  y^{2} using the power of a power rule.

2) Simplify (y^{2})^{3} into y^{6} using the power of a power rule.

3) Multiply the simplified factors from part one and two and simplify using the product of powers rule:
(36 x^{4} y^{2})(y^{6})\\
= (36 x^{4})(y^{2} y^{6})\\
= (36 x^{4})(y^{2+6}) \\
= 36 x^{4}y^{8}

---

Answer: 36 x^{4}y^{8}
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A sequence can be generated by using an = an-1 + 4, where a1 = 6 and n is a whole number greater than 1. What are the first four
Firlakuza [10]

<u>Answer:</u>

  • The first four terms are <u>4</u><u>,</u><u>8</u><u>,</u><u>1</u><u>2</u><u>,</u><u>1</u><u>6</u>

<u>Step-by-Step </u><u>Explanation</u><u>:</u>

The given relation between the nth term and it's previous term is given by:

\boxed{an = an - 1 + 4}

GiveN:

  • a1 = 4

Now finding the other three terms of the AP with the given relation.

a2 = a1 + 4

Putting a1 = 4,

a2 =  4 + 4 = 8

Now, Third term:

a3 = a2 + 4

Putting a2 = 8,

a3 = 8 + 4 = 12

Now, Fourth term:

a4 = a3 + 4

Putting a3 = 12,

a4 = 12 + 4 = 16

Hence, The first four terms of the AP is 4, 8, 12 & 16.

7 0
2 years ago
Write 2/9<br> as a recurring decimal
Stolb23 [73]

Answer:

0.2222222...

Step-by-step explanation:

Long division or just googl

7 0
2 years ago
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10. What percent of 32 is 15? If necessary, round to the nearest tenth of a percent.
ankoles [38]

Answer:

46.9

Step-by-step explanation:

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3 years ago
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Describe the transformation required to obtain the graph of the given function from the basic trigonometric graph.
mamaluj [8]

Answer:

Option c. Reflection across the x-axis and vertical stretch by a factor of 7

Step-by-step explanation:

If the graph of the function y = cf(x) represents the transformations made to the graph of y = f(x) then, by definition:

If 0 then the graph is compressed vertically by a factor a.

If |c| > 1 then the graph is stretched vertically by a factor a.

If c then the graph is reflected on the x axis.

In this problem we have the function y = -7secx and our paretn function is y = secx

therefore it is true that

c = -7\\\\|-7|> 1\\\\-7.

Therefore the graph of y = secx is stretched vertically by a factor of 7 and is reflected on the x-axis

Finally the answer is Option c

6 0
3 years ago
1.20 x 10⁶<br><br>6.0 x 10⁵​
omeli [17]

Answer:

1.20 x 10^{6}=1,200,000\\\\6.0 x 10^{5}=600,000

Step-by-step explanation:

You move the decimal place over 6 times for the first equation and 5 for the second equation.

Hope this helps! Have a great day! :)

8 0
3 years ago
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