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2 years ago

Factor completely over the set of complex numbers using the factoring pattern. 25m^2 + 36

Mathematics

1 answer:

Oliga [24]2 years ago

4 0

Answer:

(5m+6)² - 60m

Step-by-step explanation:

Given:

25m² + 36

Find:

Factor

Computation:

25m² + 36

(5m)² + (6)²

a² + b² = (a+b)² - 2(a)(b)

So,

(5m)² + (6)² = (5m+6)² - 2(5m)(6)

(5m)² + (6)² = (5m+6)² - 60m

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Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $240 in interest aft

RoseWind [281]

Answer:

D. $5,000

Step-by-step explanation:

The amount of money he should deposit is the principal.

The principal P can be gotten by

P = 100 I /RT

Where

I = interest

R = rate

T = Time

Given

I = $240

R = 1.6%

T = 3 yrs

P = 100 x 240 /1.6 x 3

Multiply through

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Answer:

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Step-by-step explanation:

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2 years ago

16 2/3 percent of what number is 72

MArishka [77]

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3 years ago

A study found that a 95% confidence interval for the mean μ of a particular population was computed from a random sample of 1200

kotykmax [81]

Answer:

95% confidence interval for the mean μ is (6,14)

The Population mean μ lies between ( 6, 14 )

Step-by-step explanation:

Explanation:-

Given random sample 'n' = 1200

95% confidence interval for the mean μ is determined by

$(x^{-} -Z_{\alpha } \frac{S.D}{\sqrt{n} } , x^{-} +Z_{\alpha } \frac{S.D}{\sqrt{n} } )$

Level of significance = 95% 0r 0.05

Z₀.₀₅ = 1.96

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95% of confidence intervals are

( 10 ±4 )

( 10 -4 , 10+4)

( 6 , 14 )

95% confidence interval for the mean μ lies between ( 6, 14 )

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2 years ago