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nexus9112 [7]
2 years ago
10

Evaluate: 10/ 12 • 2/ 3

Mathematics
1 answer:
Allisa [31]2 years ago
5 0

Answer:

10/ 12 x 2/ 3 = 10/ 12 x 8/ 12 = 80/12 = 6 8/12

Pls mark brainliest, (Plz correct me if wrong)

Step-by-step explanation:

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X &gt; 2 and x &lt; 7<br><br>I don't understand
valentinak56 [21]
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In notation, 2 < x < 7  or (2,7).
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(3/4)3 write as improper fraction and mixed number
matrenka [14]
15/4, 3 3/4, and 3.75
5 0
3 years ago
The number of grams of carbohydrates contained in 5–ounce of randomly selected meals "with/with no" potatoes (fries) in McDonald
Ede4ka [16]

Answer:

Answer:

Since the calculated value of t=  -1.340 does not fall in the critical region , so we accept H0 and may conclude that the data do not provide sufficient evidence to indicate hat there is difference in mean carbohydrate content between "meals with potatoes" and "meals with no potatoes".

Step-by-step explanation:

Potatoes :   No Potatoes :           Difference           Difference (d)²

                                                   (Potatoes- No Potatoes)

29                 41                        -12                            144

25                 41                          -16                           256  

17                  37                        -20                            400

36                  29                       -7                              49

41                 30                          11                              121

25                 38                        -13                              169

32                39                        -7                                49

29                 10                          19                             361

38                29                          9                              81

34                 55                       -21                              441

24                29                         -5                              25

27                 27                         0                               0

<u>29                 31                         -2                              4                     </u>

<u> ∑                                                 -64                           2100               </u>

  1. We state our null and alternative hypotheses as

H0 : μd= 0     and Ha:  μd≠0

2. The significance level alpha is set at α = 0.01

3. The test statistic under H0 is

t= d`/sd/√n

which has t distribution with n-1 degrees of freedom.

4. The critical region is t > t (0.005,12) = 3.055

5. Computations

d`= ∑d/n = -64/ 13= -4.923

sd²= ∑(di-d`)²/ n-1 = 1/n01 [ ∑di² - (∑di)²/n]

    = 1/12 [2100- ( -4.923)] = 175.410

sd= √175.410 = 13.244

t = d`/sd/√n= - 4.923/13.244/√13

t= - 4.923/3.67344

t= -1.340

6. Conclusion :

Since the calculated value of t=  -1.340 does not fall in the critical region , so we accept H0 and may conclude that the data do not provide sufficient evidence to indicate hat there is difference in mean carbohydrate content between "meals with potatoes" and "meals with no potatoes".

7 0
3 years ago
2. Find the values of x and y.
AlexFokin [52]

Answer:

  x = √2, y = 2

Step-by-step explanation:

You know that the sides of an isosceles right triangle are equal in length, so ...

  x = √2 . . . . same as the given side

You also know that the hypotenuse is √2 times as long as one side, so ...

  y = √2·√2

  y = 2

3 0
3 years ago
A restaurant sells pizza in 3 different size portions. The table shows the costs of each portion. Cost Portion Size $1.00 1 slic
Snezhnost [94]
The best portion to buy would be the 6 slices for you pay 95 cents per slice 

the worse one to buy is the 3 slices for you pay more for less
4 0
2 years ago
Read 2 more answers
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