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Likurg_2 [28]
3 years ago
14

Brooke found the equation of the line passing through the points (–7, 25) and (–4, 13) in slope-intercept form as follows. Step

1: m = StartFraction 13 minus 25 Over negative 4 minus (negative 7) EndFraction = StartFraction negative 12 Over 3 EndFraction = negative 4. Step 2: y = negative 4 x + b. 25 = negative 4 (negative 7) + b. 25 = 28 + b. 25 minus 28 = 28 + b minus 28. b = negative 3. Step 3: y = negative 3 x minus 4 What was Brooke’s error?
Mathematics
2 answers:
Katen [24]3 years ago
8 0

Answer: She mixed up the slope and y-intercept when she wrote the equation in step 3.

Step-by- explanation:

Hope this helps :)

Shalnov [3]3 years ago
3 0

Answer:

Step-by-step explanation:

he mixed up the slope and y-intercept when she wrote the equation in step 3.

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Which is the more reasonable measurement of the distance between the tracks on a railroad:
nataly862011 [7]

If you're comparing 1.435 * 10^(-3) mm to 1.435 * 10^3 mm, then the more reasonable measurement is 1.435 * 10^3 mm since,

1.435 * 10^3 mm = 1435 mm = 1.435 meters

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So 1.435 meters is slightly larger (about 4.708 feet) which is a fairly reasonable distance between the tracks on a railroad.

-------------------

Something like 1.435 * 10^(-3) mm is equal to 0.001435 mm, which is far less than 1 mm.

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3 years ago
Not too sure how to do this equation its on the attached file
Akimi4 [234]

Answer:

The answer is 72

Step-by-step explanation:

Hope this helps :))

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3 years ago
Find the zeros or roots for the quadratic expression 2^2−8−10. Must show all work to receive credit
Sav [38]

Answer:

x = -1,5

Step-by-step explanation:

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x = 5 x = -2/2

x = -1,5

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