3 years ago

How many pairs of parallel sides does a square have?

Mathematics

2 answers:

BabaBlast [244]3 years ago

3 0

2

1 Each for each side
[Horizontal Side]
[Vertical Side]

vovikov84 [41]3 years ago

3 0

2
1 for each side
(horizontal)
(vertical)

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Five cards (a hand) are dealt from a randomly shuffled deck of cards. For those of you that are not familiar with playing cards:

sp2606 [1]

Answer: 0.0004951

Step-by-step explanation:

Given

Five cards are from the deck

The total number of cards in the deck is 52

total spades card is $13$

We have to choose 5 cards out of 13, this can be done in

$\Rightarrow ^{13}C_5$

The probability of choosing 5 spade cards is

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In order to test for the significance of a regression model involving 4 independent variables and 47 observations, the numerator

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Answer:

c. 4 and 42

Step-by-step explanation:

Given

$p = 4$ -- independent variables

$n = 47$ ---- observations

Required

The numerator and denominator degrees of freedom

The denominator degrees of freedom is:

$df =n - p - 1$

$df =47 - 4 - 1$

$df =42$

For the numerator, we have:

$df = p$

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3 years ago

5.5/1.1 A. 500 B. 50 C. .05 D. .5 E. 5 F. .005

IRINA_888 [86]

E. 5 is the correct answer

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3 years ago

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What is the greatest common factor of 6 and 9

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the answer is 3. 3 is the greatest common factor

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Lovely Lawns, Inc., intends to use sales of lawn fertilizer to predict lawn mower sales. The store manager estimates a probable

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Answer:

R = 0.8815 ;

y = 6.14679X + 2.33028 ;

14.624

Step-by-step explanation:

Using an online correlation Coefficient calculator, the correlation Coefficient, R between the number of lawn fertilizer sold and the number of lawn mowers sold is 0.8815. This R value depicts a strong positive correlation between both variables.

The regression line equation obtained by Plotting the values to generate a linear model is :

y = 6.147X + 2.330

With ;

Slope or gradient being 6.147

Intercept = 2.330

C.)

x = 2

y = 6.147X + 2.330

y = 6.147(2) + 2.330

y = 14.624

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3 years ago