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Goryan [66]
3 years ago
6

I need to know how to solve -4-(2+4(-6)-4-(2^2-5*2))

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
4 0

Answer:

16

Step-by-step explanation:

This problem requires PEMDAS

Parentheses ( )

Exponents ^

Multiplication

Division

Add

Subtract

Start by solving anything in parentheses. There's an exponent within the parentheses, so we change that 2^2 into 4 and also make sure to multiply 5 x 2 before subtracting.

-4 - (2 + -24 - 4 - (4-10))

-4 - (2 + -24 - 4 - (-6))

Again, solve parentheses first.

-4 - (-22 - 4 - (-6))

-4 - (-26 + 6)

-4 - (-20)

-4 + 20

Answer is 16

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What is the present value of an investment that will be worth $6000 at the end of five years? Assume an APR of 6% compounded mon
musickatia [10]

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4448.23

Step-by-step explanation:

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Romashka-Z-Leto [24]

Answer:

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(1 point) A random sample of 600 movie goers in Flagstaff found 252 movie goers who had bought popcorn on their last visit. Find
garik1379 [7]

<u>Answer-</u>

A 95% confidence interval for the true percent of movie goers is 36.41% to 44.25%

<u>Solution-</u>

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n = 600 (sample size)

x = 252 (number of people who bought)

Confidence interval = 95%, so z = 1.96

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\mu = M\pm Z(SE)

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M=\frac{x}{n} =\frac{242}{600} =0.4033

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SE=\sqrt{\frac{M\times (1-M)}{n}}

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\mu = M\pm Z(SE)

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3 years ago
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