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Fantom [35]
3 years ago
15

Write a description of the set. {April,August}

Mathematics
1 answer:
vova2212 [387]3 years ago
8 0
Set of months beginning with the letter A
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Help me guys, this is due today
sleet_krkn [62]

Answer: 8 inches to 2/3 feet

Step-by-step explanation:

Let's set up ratios.

12 inches= 1 foot

Find the quotient of 1 divided by 2/3 which is 1.5.

Look at the attached picture to see the ratio handwork.

The answer is 8 inches to 2/3 feet.

3 0
3 years ago
A 2-column table with 6 rows. The first column is labeled miles driven with entries 27, 65, 83, 109, 142, 175. The second column
Helen [10]

Answer:

1) The linear regression model is y = -0.0348·x + 13.989

2) The correlation coefficient is -0.0725

3) The strength of the model is strong - association

Step-by-step explanation:

1)

                         X            Y          XY       X²

                         27            13           351          729

                         65             12          780         4225

                         83              11          913         6889

                         109            10          1090      11881

                         142            9            1278     20164

                         175              8           1400      30625

                ∑      601              63 5812 74513

From y = ax + b, we have

a = \frac{n\sum xy - \sum x\sum y }{n\sum x^{2}-\left (\sum x  \right )^{2}} = \frac{6 \times 5812  - 601 \times 63}{6 \times 74513-601^{2}} = - 0.0348

b = 1/n(∑y -a∑x) = 1/6(63 - (0.0348)×601) = 13.989

Therefore, the linear regression model is y = -0.0348·x + 13.989

2)

r = \frac{n\sum xy - \sum x\sum y }{\sqrt{[n\sum x^{2}-\left (\sum x  \right )^{2}] [n\sum y^{2}-\left (\sum y  \right )^{2}]}}  = \frac{6 \times 5812  - 601 \times 63}{\sqrt{[6 \times 74513-601^{2}] [6  \times 3969 - 63^2]} } = - 0.0725

3) The strength is - association.

5 0
3 years ago
Read 2 more answers
Please need help on this
Rufina [12.5K]

Answer:

The first one is not a function

The second is a function

Third not a function

Fourth is a function

Step-by-step explanation:

6 0
3 years ago
How many times greater is<br> 3.8 X 10^5 than<br> 1.9 X 10^2<br> 2<br> 20<br> 200<br> 2000
storchak [24]

Answer:

2 * 10^3 = 2000.

Step-by-step explanation:

3.8/1.9 * 10^5/10^2

= 2 * 10^3

6 0
2 years ago
Read 2 more answers
What is an equation of the line that passes through the points (-2,1) and (-6,-5)
KATRIN_1 [288]

Answer: y = 3/2x+4 if you need to write it in slope intercept form and please give brainliest i will appreciate it.

7 0
3 years ago
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