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3 years ago

10

5. Consider the contexts the follow.

1 answer:

TEA [102]3 years ago

8 0

The answer is C because it’s the one that makes most sense

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Roger ran 8 laps around a 1/4 mile track during PE on Monday. How many feet did Roger run in completing eight laps?

Karo-lina-s [1.5K]

8 * 1/4 = 2 then 2 * 5280 = 10560

8 0

3 years ago

Read 2 more answers

pls help!!! this is due in 5 minutes. (pls don’t provide a link, i’ll give brainiest if u don’t just pls help me!!!)

LenaWriter [7]

Answer:

B

Step-by-step explanation:

They help support the tree in shallow soil so it does not fall over

7 0

3 years ago

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Use the expression 5(6 + 4x) to answer the following: Part A: Describe the two factors in this expression. (4 points) Part B: Ho

Nikolay [14]

Answer:

Part A: The two factors are 6 and 4x. Part B: Question is confusing Part C: The coefficient of the variable is 4.

Step-by-step explanation:

Factors are what gets multiplied to give a product, therefore, 6 and 4x are the products as they are both being multiplied by 5. I don't understand what you are asking for part b. Part C, the coefficient is any number that is multiplied with the variable next to in. For example, in 16x, 16 is the coefficient and x is the variable. In 9y, 9 is the coefficient and y is the variable.

7 0

2 years ago

A realtor collects the data set given in DS 12.2.4 concerning the sizes of a random selection of newly constructed houses in a c

Yuliya22 [10]

The table is missing in the question. The table is attached below.

Solution :

Let X = appraised value

Y = area (square feet)

The regression line is given by :

$\hat y = b_0+b_1X$

$b_1=\frac{n\sum XY-\sum X \sum Y}{n \sum X^2-(\sum X)^2}$

$=\frac{15(5964990)-(2157)(33370)}{15(404799)-(2157)^2}$

$=12.3267$

$b_0=\frac{\sum Y}{n}-b_1\frac{\sum X}{n}$

$=\frac{33370}{15}-\left(12.3267 \times \frac{2157}{15}\right)$

$b_0=452.0841$

The regression line is :

$\hat Y = 452.0841+12.3267 X$

To estimate the error variance, we have:

Error variance, $\sigma =\sqrt{\frac{\sum (Y-\hat Y)^2}n-2{}}$

$=\sqrt{\frac{587682.3}{15-2}}$

$=212.6178$

8 0

3 years ago

Serena has a summer job as a lifeguard at the neighborhood pool. She earns $240 a week. By rounding her weekly income to the nea

Nesterboy [21]

<h2>Answer: B </h2>

Step-by-step explanation:

If your rounding her weekly income you would go down to $200 then take that times 11 for each week, giving you $2,200 roughly

3 0

4 years ago