2 years ago

What positive integer is closest to the value of 230−−−√ ?

Mathematics

1 answer:

netineya [11]2 years ago

8 0

Answer:

Answer is 15

Step-by-step explanation:

Sqrt of 230 is 15.165....

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PilotLPTM [1.2K]

Answer:

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3 years ago

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Answer:

${x}^{2} + 4x - 30 = - 3x \\{x}^{2} + 7x - 30 = 0 \\ {x}^{2} - 3x + 10x - 30 = 0 \\ x(x - 3) + 10(x - 3) = 0 \\ (x - 3)(x + 10) = 0 \\ \boxed{x = 3} \\ \boxed{x = - 10}$

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3 years ago

7400 dollars is placed in an account with an annual interest

Anastasy [175]

Answer:

Step-by-step explanation:

We have the following equation for compounding annual interest

AV=PV(1+i)ⁿ

We have

19200=7400(1+.06)ⁿ

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divide both sides by 7400

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then use the following rule for exponents

$x^y=z\\log_xz=y$

which means that

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Solve and get

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3 years ago