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Zarrin [17]
3 years ago
6

Help me PLEASEEEEEEEEEEEEE

Mathematics
1 answer:
statuscvo [17]3 years ago
3 0

Answer:

part a answer is b and part b answer is 3

Step-by-step explanation:

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What is the equation of the line that goes through the points (4,-1) and<br> (2,3)?
Arturiano [62]

Answer:

<u>y = -2x + 7</u>

Explanation:

<em><u>y = mx + b</u></em>

<em><u /></em>

<em>m = slope</em>

<em>b = y-intercept</em>

<em>y = a given y coordinate</em>

<em>x = a corresponding x coordinate</em>

<em />

First, we need to find the slope (m).

1) (4, -1)

2) (2/3)

m = slope = \frac{y_2-y_1}{x_2-x_1} = \frac{3-(-1)}{2-4} = \frac{4}{-2} = -2

plug in the values to the equation <u>y = mx + b</u>

<u />

-1 = -2(4) + b

-1 = -8 + b

7 = b

now, we can substitute in m and b into the equation y = mx + b

<u><em>y = -2x + 7</em></u>

5 0
3 years ago
Y = (4x^3 +8)^1/3/(x+2)^5
WITCHER [35]

Answer:

y=4

Step-by-step explanation:

7 0
3 years ago
A 36 ft tree casts a 9 ft shadow at the same time a building casts a 15 ft shadow. How tall is the building?
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Answer: The height of the tree is  27f t

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h/s

h/15=18/10

Cross multiply

10.h= 18*15

10h=270

Use the multiplicative Inverse

10 h/ 10 = <em><u>270 /10 =27</u></em>

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3 years ago
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5 0
4 years ago
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Answer quick for brainliest.
Alona [7]

Answer:

the slope is 5 the y intercept is 5

Step-by-step explanation:

slope intercept form makes this true

please mark brainliest :)

3 0
3 years ago
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