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Monica [59]
3 years ago
15

What is the y-intercept of the line passing through the point (9-7) and has a slope of -1/8

Mathematics
1 answer:
Lina20 [59]3 years ago
4 0
Y - y1 = m(x - x1)
y + 7 = (-1/8)(x - 9)
y + 7 = (-1/8)x + 1.125
Subtract 7 from both sides
y = -1/8x - 5.875
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Student grades on a chemistry exam were: 77, 78, 76, 81, 86, 51, 79, 82, 84, 99
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Answer:

Step-by-step explanation:

A) Stem-and-leaf plot

stem          leaf

5                 1

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The moon has a diameter of approximately 2,200 miles. If the circumference of a circle can be found using the formula C = πd, wh
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4 0
3 years ago
So here's the question
Lesechka [4]
Yes, is subtraction, to get their "difference".

first off, let's convert the mixed fractions, to "improper", and then subtract.

\bf \stackrel{red~yarn}{9\frac{1}{5}}-\stackrel{blue~yarn}{3\frac{11}{25}}

\bf -------------------------------\\\\
\stackrel{mixed}{9\frac{1}{5}}\implies \cfrac{9\cdot 5+1}{5}\implies \stackrel{improper}{\cfrac{46}{5}}
\\\\\\
\stackrel{mixed}{3\frac{11}{25}}\implies \cfrac{3\cdot 25+11}{25}\implies \stackrel{improper}{\cfrac{86}{25}}\\\\
-------------------------------\\\\
\cfrac{46}{5}-\cfrac{86}{25}\impliedby \textit{our LCD is 25}\implies \cfrac{(5\cdot 46)~~-~~(1\cdot 86)}{25}
\\\\\\
\cfrac{230~-~86}{25}\implies \cfrac{144}{25}\implies 5\frac{19}{25}
4 0
3 years ago
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