3 years ago

Sample mean for 83,65,91,87,84

Mathematics

1 answer:

Papessa [141]3 years ago

6 0

The answer is 82 as the mean

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What is the greatest common factor of the terms in the polynomial 8x4 - 4x3 - 18x2

uysha [10]

Answer:

2x^2

Step-by-step explanation:

The coefficients of the terms in this expression are 8, 4, and 18.

The largest number that you can divide all of them with and get a whole number is 2.

So, 2 is part of our greatest common factor.

These terms also have the variable x. The exponent of the smallest x term is 2, so x^2 is the other part of our greatest common factor.

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3 years ago

The proof for the power property of logarithms appears in the table with an expression missing.

iVinArrow [24]

Answer:

$log_{b}(b^{x r})$

Step-by-step explanation:

A picture of the question is shown in the figure attached. There we can see that the step corresponding to Properties of exponents is the option:

$log_{b}(b^{x r})$

which is equivalent to

$log_{b}((b^{x})^{r})$

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4 years ago

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Set up and solve a proportion for the following application problem. If 55 pounds of grass seed cover 404 square feet, how many

klio [65]

Answer: 990 lbs

<u>Step-by-step explanation:</u>

Set up the proportion, then cross multiply and solve for the unknown value (pounds).

$\dfrac{55\ lbs}{404\ sq\ ft}=\dfrac{x}{7272\ sq\ ft}\\\\\\55\ lbs\cdot 7272\ sq\ ft=404\ sq\ ft\cdot x\\\\\\\dfrac{55\ lbs\cdot 7272\ sq\ ft}{404\ sq\ ft}=x\\\\\\990\ lbs=x$

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3 years ago

There are 600 people in a concert hall. 2/5 of them are teenagers. 3/8 of the teenagers are girls. How many teenage girls are th

Lemur [1.5K]

There are 90 teenage girls in the concert hall.
2/5 x 600 = 240
3/8 x 240 = 90

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3 years ago

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Please help me <br> Please

vovikov84 [41]

1. 2.00321
2. 2.01465
3. 2.0155
4. 2.04285

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3 years ago

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