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Likurg_2 [28]
3 years ago
11

What is -2/3 as a decimal

Mathematics
2 answers:
Scrat [10]3 years ago
6 0
-.66 repeating (unfounded)
oksian1 [2.3K]3 years ago
4 0

Answer:

-.67 (i rounded)

Step-by-step explanation:


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What is the greatest common factor of 75 and 30
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the dimensions of a triangular prism are shown in the diagram.What is the volume of the triangular prism in cubic centimeters
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Answer:

Answer:

1632 cm³

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
Amélie runs a bakery. She wants to find out whether her cake sales are affected by the weather conditions. She recorded the dail
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Answer:

Step-by-step explanation:

Daily temp(in F) Cakes sold

 

42 39

45 52

48 31

54 61

59 72

62 35

64 61

65 34

67 58

75 45

84 24

To find whether there is an association between these two let us find the correlation coefficient between these two variables.

r=-0.1975

Since |r|<0.5, correlation is weak.  

Let us test the hypothesis r =0

H0:r=0

Ha:r not equals 0

Test statistic = \frac{r\sqrt{n-2} }{\sqrt{1-r^2} } \\=\frac{-0.1975\sqrt{11-2} }{\sqrt{1-0.1975^2} }\\=\frac{-0.5625}{{0.9803} } \\=-0.5738

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6 0
2 years ago
Problem page a delivery truck is transporting boxes of two sizes: large and small. the large boxes weigh 45 pounds each, and the
marta [7]
S= number of small boxes
l= number of large boxes

equation 1:  s+l=120
equation 2:  15s+45l=3300

solve by elimination, multiply equation 1 by -15.

-15(s+l=120) =  -15s-15l=-1800  add to equation 2.

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30l=1500 , l=50

s+l=120, s+50=120 --> s=70

7 0
3 years ago
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