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kipiarov [429]
3 years ago
9

Simplify x^10/x^8 I am writing this cause I need more charectars

Mathematics
2 answers:
FromTheMoon [43]3 years ago
8 0
The rule for division of similar bases with exponents:

(a^b)/(a^c)=a^(b-c)

In this case we have:

(x^10)/(x^8)

x^(10-8)

x^2
Juliette [100K]3 years ago
3 0
It's x^2. When dividing, just subtract the exponents

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If 2^(x+3) - 2x = k(2^x) what is the value of k
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Answer:

\large\boxed{C)\ 7}

Step-by-step explanation:

Use:

a^n\cdot a^m=a^{n+m}

2^{x+3}-2^x=2^x\cdot2^3-2^x=8\cdot2^x-2^x=(8-1)\cdot2^x=7\cdot2^x\\\\2^{x+3}-2^x=k(2^x)\\\\7\cdot2^x=k(2^x)\Rightarrow k=7

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Step-by-step explanation:

3 0
3 years ago
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Nikolay [14]

Answer:

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4 0
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In the given figure, find ∠PQS, if∠PQR = 5x + 25 and∠SQR = 2x + 10.
kramer

Answer:

∠PQS= 3(x +5)

Step-by-step explanation:

∠PQR = 5x + 25

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∠PQS= (5x + 25 )-(2x + 10)

∠PQS = 5x+25 -2x-10

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