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BigorU [14]
3 years ago
5

Is (1, 1) a solution to the inequality 6x + 6y < 15?

Mathematics
1 answer:
djyliett [7]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

Plug the given values in for x  and y to check (1,1) = (x,y)

6(1)+6(1) < 15

6+6 < 15

12<15

12 is less than 15 therefore (1,1) is a solution

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Last week, Jamie counted the number of rice grains in his plate, and found he had 250
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3 years ago
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 50.7 d
Svet_ta [14]

Answer: The mean of the frequency distribution is 51.7°.

The computed mean 51.7° is greater than the actual mean 50.7° .

Step-by-step explanation:

The given table :

  Low Temperature ​(°​F)      Frequency     Mid -value  

      Class interval                  f                        x                  fx

          40-44                           2                     42.5               85

          45-49                           7                     47.5               95                      

          50-54                          9                     52.5               105

           55-59                         5                     57.5                115

           60-64                          1                      62.5               25

\text{Now, Mean}=\dfrac{\sum fx}{\sum f}\\\\=\dfrac{85+332.5+472.5+287.5+62.5}{24}\\\\=\dfrac{1240}{24}=51.6666666667\approx51.7

The computed mean 51.7° is greater than the actual mean 50.7° .

5 0
3 years ago
−3y−4x=−11 3y−5x=−61 ​
natulia [17]

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8 0
3 years ago
Read 2 more answers
The ratio of red collars to black collars sold at one store is 9 to 10. in one month 30 black collars were sold. is 57 a reasona
AlekseyPX
27 red collars. 57-30=27
3 0
3 years ago
Factor: x^2 - 81<br><img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20-%2081" id="TexFormula1" title=" {x}^{2} - 81"
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(x - 9)(x + 9) is your answer. This is called a difference of two squares. 
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