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saul85 [17]
3 years ago
6

At 7:00 am, the temperature was -4℉. At 9:00 am, it was 8° warmer. What was the temperature at 9:00 am?

Mathematics
2 answers:
Alinara [238K]3 years ago
4 0

Answer:

4F

Step-by-step explanation:

-4 + 8=4

maria [59]3 years ago
3 0

Answer:

4⁰F

Step-by-step explanation

-4+8=4

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Rachel has a bag that contains a total of 224 red and yellow candies. The ratio of red candies, R , to yellow candies, Y , is 3
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Answer:

96 red

Step-by-step explanation:

96 red, 128 yellow; 3/4=.75; r+y=224; .75y+y=224; 1.75y=224; 224/1.75=128, 224-128=96

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3 years ago
A scatter plot was constructed and a line of best fit was drawn, 25x 80. What is the equation of this best line of fit?
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Answer:

y = 5x + 25

Explaination:

To get the equation of a line, first get the slope of the line.


Slope = (change in y)/(change in x)


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Now use one point in the line (4,45) and a general point (x,y).


Slope = (change in y)/(change in x)


    5 = (y - 45)/(x - 4)


    5(x - 4) = (y - 45)


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y = 5x -20 + 45





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4 years ago
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Answer:

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