Round the decimal number to the nearest tenth: 285.429

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Answer 1

Answer: the decimal rounded to the nearest tenth is 285.43.

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Suppose y varies directly with x, and y = 8 when x = –6. What direct variation equation relates x and y? What is the value of y when x = –2?A. y = –0.75x; 1.50 B. y = –1.33x; 2.67 C. y = 1.33x; –2.67 D. y = 0.13x; –0.25
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Find the value of x in circle O.

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i think you forgot to post the picture of circle O

What is the slope of the line 6x-2y=15?

a) -7.5
b) -3
c) 2.5
d) 3

Answers

What is the slope of the line 6x-2y=15?
Rewrite the equation in the y = mx + b form
-2y = -6x+15
y = 3x + 15

m represents the slope.
So,
m = 3

the slope is m=3 in this case

A fruit salad is made from pineapples, pears, and peaches mixed in the ratio of 2 to 3 to 5, respectively, by weight. What fraction of the mixture by weight is pineapple? Can you explain this so I can understand how it works?

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2/10, is it that because you need to find how much fruit in total to calculate for the fraction, so 2+3+5= 10 so 10 will be you're bottom number. Then you need to look at how many pineapple there are to then make the fraction 2/10 because there are 2 pineapples out of the 10 fruits. Hope that helps!!

0.55 rounded to the nearest tenth

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0.60 because if the number of the right it’s 5 or more you change the number of the left and all the numbers to the right change to #0

A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is –2 standard deviations away from the mean.