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Zarrin [17]
3 years ago
6

Even bought some flowers for Valentine’s Day.he bought x roses, and he bought 4 less daises than the number of roses. How many r

oses and daises did even buy?

Mathematics
1 answer:
MissTica3 years ago
6 0
Roses bought=x
daisies bought=x-4
number of roses and daisies bought=x+x-4=2x-4
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Listed below are the overhead widths​ (in cm) of seals measured from photographs and the weights​ (in kg) of the seals. Construc
Anarel [89]

Answer and Step-by-step explanation: Scaterplot is a type of graphic which shows the relationship between to variables. In this question, you want to determine if there is a linear relationship between overhead widths of seals and the weights. So, the hypothesis are:

H₀: no linear correlation;

H₁: there is linear correlation;

In this hypothesis test, to reject H₀, the correlation coefficient r of the data set has to be bigger than the critical value from the table.

With α = 0.05 and n = 6, the critical value is 0.811.

The linear correlation is calculated as:

r = n∑xy - ∑x.∑y / √[n∑x² - (∑x)²] [n∑y² - (∑y)²]

r = \frac{6.9632 - 51.1108}{\sqrt{6.439 - (51^{2} )}.6.14482 - (1108^{2} ) }

r = 0.9485

Since r is bigger than the critical value, H₀ is rejected, which means there is enough evidence to conclude that there is linear correlation between overhead widths and the weights.

In the attachments is the scaterplot of the measurements, also showing the relationship.

5 0
3 years ago
Please help? I really need it
horsena [70]

Answer:

216 in²

Step-by-step explanation:

a = bh

a = 18 * 12

a = 216

4 0
3 years ago
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BRAINLESS!!!
Eduardwww [97]

Answer:

1/2

25/5

12/25

1/5

Hope it helps!

7 0
3 years ago
If you get payed $11.75 an hour, how many hours do you have to work to have $169,000
Leni [432]

Answer:

you would have to work 37.5 hours and dont do it in one sitting i would die it not worth it if you have to do it one sitting XD lol

Step-by-step explanation:

7 0
2 years ago
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HELP FAST PLEASE FAST PLEASE ANSWER
mel-nik [20]

Answer:

0.916 or 229/250

Step-by-step explanation:

divide 11 by 12

6 0
2 years ago
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