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3 years ago

Is that correct!!!!!

Mathematics

1 answer:

Vitek1552 [10]3 years ago

6 0

Yes, that is correct.

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Analyze the following quadratic eqaution y=-x^2+2x+2

klemol [59]

Answer:

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Step-by-step explanation:

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3 years ago

V-125 - 5 X 32

solong [7]

Answer:

Because of the order of operations, we start the equation backwards because exponents are what we prioritize here.

$3^2 = 9\\\\9 * 5 = 45\\\\\sqrt{-125} = -11.1803399\\\\45 - -11.1803399 = 56.1803399\\\\56.1803399 * 3 = \boxed{168.54}$ <em>Result rounded to 2 DP</em>

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2 years ago

The interest rate r required to increase your investment p to the amount a in t years is found by <img src="https://tex.z-dn.net

Sonbull [250]

Answer: $r=0.33\ or\ 33\%$

Step-by-step explanation:

You have the formula shown in the problem to calculate the interest rate required to increase your investment to the amount a in <em>t</em> years:

$r=(\frac{a}{p})^\frac{1}{t}-1$

And you know that:

$p=2700\\a=6400\\t=3$

You must substitute the values shown above, into the formula to solve the problem.

Therefore, you obtain:

$r=(\frac{6400}{2700})^\frac{1}{3}-1\\\\r=0.33\ or\ 33\%$

6 0

3 years ago

Triangle ABC is a right triangle.What is the relationship between angles A and B?

Tcecarenko [31]

Answer:

Step-by-step explanation:

They're congruent.

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3 years ago

Mary invests 12000 in a saving account.

RSB [31]

Answer:

In 2 years, you will have $12,362.70

Step-by-step explanation:

Use the formula A=P(1+r/n)^nt.

A = final amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

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3 years ago