3 years ago

What is the equation of the line that passes through the point (2,7) and has a slope of -4

Mathematics

1 answer:

marissa [1.9K]3 years ago

7 0

Answer:

D. y - 7 = -4 (x - 2)

Step-by-step explanation:

y - 7 = -4 (x - 2)

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So I kinda forgot how to do this *nervous laughter* um help

natali 33 [55]

1) value of x =60

2) value of x = 3

Step-by-step explanation:

We need to use cross products to solve the proportions of x.

$1.\,\, \frac{3}{5}= \frac{x}{100}$

Solving:

$\frac{3}{5}= \frac{x}{100}\\Cross\,\,multiply\,\,:\\5x=3*100\\5x=300\\x=\frac{300}{5}\\x=60$

So, value of x =60

$2.\,\,\frac{x}{8}=\frac{7.5}{20}$

$\frac{x}{8}=\frac{7.5}{20} \\20x=7.5*8\\20x=60\\x=\frac{60}{20}\\ x=3$

So, value of x = 3

Keywords: Ratio and Proportions

Learn more about Ratio and Proportions at:

#learnwithBrainly

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3 years ago

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tino4ka555 [31]

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Explanation; hidofovovvb

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3 years ago

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vitfil [10]

Answer: I need help too

Step-by-step explanation:

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3 years ago

Which choice names a diameter of circle f

nadezda [96]

It would be c because fe is a radius ba is a chord and ec isnt a line

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3 years ago

It is dinos birthday today. She is 9 years older than tyger. Altogether, their ages add up to 23 years. How old is dino?

nikdorinn [45]

Answer:

Step-by-step explanation:

Tyger = x

Dinos = x + 9

Total = 23

x + x+9 = 23

2x + 9 = 23

2x = 23 - 9

2x = 14

x = 14/2 = 7

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3 years ago