2 years ago

(8.8x6^ 6 )(5x10^ 2 )

Mathematics

1 answer:

Ratling [72]2 years ago

4 0

Answer: 205286400x^2

Step-by-step explanation:

apply exponent rule ( a^b * a^c = a^b+c )

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2 years ago

A vending machine operator has determined that the number of candy bars sold per week by a certain machine is a random variable

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Answer:

The answer is below

Step-by-step explanation:

Let Y represent the profit per day, and x represent the number of bar sold per day. Hence:

Y = 0.25x - 2

a) The mean is given as:

$\mu_y=E(Y)=E(0.25X-2) = 0.25E(X)-2\\\\But\ E(X)=mean\ of\ machine=125. Hence:\\\\E(Y)=0.25(125)-2=29.25\\\\E(Y)=\$29.25$

b) The standard deviation of y is:

$\sigma_y=var(0.25X-2)\\\\\sigma_y=0.25\sigma(X)\\\\but\ \sigma_X=7,hence:\\\\\sigma_y=0.25(7)=1.75\\\\\sigma_y=\$1.75$

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2 years ago

Which shows the best use of the associative and communitive properties to make simplifying 3/4 - 5 + 9 - 2/4 + 2 easier?

Alex Ar [27]

Answer:

The Answers A.

Step-by-step explanation:

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2 years ago

Which table shows the reflection of f(x) across the y-axis?<br> answer 4 brainliest

larisa [96]

The Correct graph is fourth one !

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2 years ago

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Helppp!!!! please!!!

Ulleksa [173]

Answer:

$\boxed{Area = 32.5 mm^2}$

Step-by-step explanation:

Area of Triangle = $\frac{1}{2} (Base)(Height)$

Where base = 13 mm, Height = 5 mm

Area = 1/2 (13)(5)

=> Area = 1/2 (65)

=> Area = 32.5 mm^2

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3 years ago

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