3 years ago

Solve for x. Round your answer to the nearest hundredth. 16^x-7=19

Mathematics

1 answer:

Finger [1]3 years ago

4 0

Answer:

x=26 is the answer

Step-by-step explanation:

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the first and last term arithmetic sequence are 9 and 165 respectively.if the sum of all the terms of the arithmetic sequence is

diamong [38]

Answer:

40 terms

Step-by-step explanation:

<u>Sum of n terms formula:</u>

Sn = 1/2n(a1 + an)

<u>Solving for n</u>

3480 = 1/2n(9 + 165)
3480 = 87n
n = 3480/87
n = 40

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2 years ago

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tigry1 [53]

Answer:

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Step-by-step explanation:

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3 years ago

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AleksAgata [21]

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A stack of books is 21 inches tall. Each book is 1 3/4 inches. How many books are there?

Maru [420]

There are twelve books

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3 years ago

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Factor 26r3s + 52r5 – 39r2s4. What is the resulting expression?

zheka24 [161]

Answer:

The Given Expression is

→ $26r^3s + 52r^5 -39r^2s^4\\13\times 2\times r\times r^2 \times s + 13\times 2\times 2\times r^2\times r^2\times r- 13 \times 3\times r^2\times s \times s^3\\\\\text{Taking out common factors}\\\\13r^2(2 rs + 2\times 2 r^3 -3 s^4)\\\\13r^2(2 r s+ 4 r^3 - 3 s^4)$

Option $13r^2(2 rs + 4 r^3 - 3 s^4)$ is correct option.

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3 years ago

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