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2 years ago

Pls help im am struggling i will give brainliest !!!!!!!!!

Mathematics

2 answers:

Rainbow [258]2 years ago

4 0

They are extremely similar but a(x) has a greater y-intercept!

If you look at the y axis, a(x) simply intercept it higher than b(x)

Hope this helps!

lora16 [44]2 years ago

4 0

Answer:

a(x)

because the greater is a(x)

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The following data give the prices of seven textbooks randomly selected from a university bookstore.

swat32

Answer:

a) Mean = $121

Sum of deviations = $0

b) Standard deviation = 41.19

Variance = 1696.67

Range = $120

Step-by-step explanation:

We are given the following data:

$91 , $176 , $108 , $115 , $56 , $157 , $144

a) Mean and sum of deviations

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{847}{7} = 121$

Sum of deviations =

-30 + 55 - 13 - 6 - 65 + 36 + 23 = 0

The sum of deviations is zero dollars.

b) range, variance, and standard deviation

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

Sum of square of differences =

900 + 3025 + 169 + 36 + 4225 + 1296 + 529 = 10180

$\sigma = \sqrt{\dfrac{10180}{6}} = 41.19\\\\\sigma^2 = 1696.67$

Sorted data: 56, 91, 108, 115, 144, 157, 176

Range = Maximum - Minimum

Range = 176 - 56 = 120

5 0

2 years ago

WILL GIVE 5 STARS TO THE PERSON WHO HELPS WITH AN EXPLANATION!!! If the 32 ounce bottle is 20% more than the typical bottle, how

Aleks04 [339]

So if 32 oz is 20% more than the average bottle, you multiply 32 by .20 which gives you 6.4. This means that the 32 oz bottle is 6.4 oz more than the regular bottle. Furthermore, 32 - 6.4 = 25.6 so that's how big the typical bottle is.

3 0

2 years ago

(5x^2-4X + 7) - (4x + 2)

DanielleElmas [232]

5x’2-4x+7-4x-2
We add the two 4
5x’2-8x+7-2
5x’2-8x+5
The answer is
5x’2 -8x +5

3 0

2 years ago

Simplify Negative 3 over 2 ÷ 9 over 6 . (5 points) -4 -1 4 1

DiKsa [7]

Answer:

Step-by-step explanation:

$\frac{3}{2}$ ÷ $\frac{9}{6}$ = $\frac{3}{2}*\frac{6}{9}\\$

= $\frac{18}{18}$

= 1

Use KCF method,

Keep the first number.

Change the division to multiplication

Flip the second number

8 0

2 years ago

Read 2 more answers

Year 10

mylen [45]

Answer:

=3x³+2x²−27x−18

Step-by-step explanation:

(x+3)(x−3)(3x+2)

=((x+3)(x−3))(3x+2)

=((x+3)(x−3))(3x)+((x+3)(x−3))(2)

=3x³−27x+2x²−18

=3x³+2x²−27x−18

6 0

2 years ago