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Akimi4 [234]
2 years ago
10

Write an equation of the line passing through the point A(8, 2) that is perpendicular to the line y = 4x−7.

Mathematics
1 answer:
Kay [80]2 years ago
4 0

Answer:

y = - 1/4 + 4

Step-by-step explanation:

y = 4x - 7

Slope = 4

Slope of the perpendicular line = -1/4

Point (8,2)

(b) y-intercept: 2 - (-1/4)(8)

= 2 + 2 = 4

You might be interested in
<img src="https://tex.z-dn.net/?f=3x%20%7B%20%7D%5E%7B2%7D%20%20%3D%20%20-%2054%20" id="TexFormula1" title="3x { }^{2} = - 54
valkas [14]

Answer:

No real solutions

Step-by-step explanation:

Divide both sides by 3

3x^3/3=-54/3

x^2=-18

Take square root

x=±√−18

4 0
3 years ago
Y=-2x+2 Y=-2x-2 state the solution
Arisa [49]

Answer:

Step-by-step explanation:

Y=-2x+2.....(1)

Y=-2x-2.....(2)

Subtracting (1) from (2)

Y - Y = -2x - (-2x) -2 - 2

O = -2x + 2x - 4

O = 0 - 4

Hence it as no solution the the two variables tend to zero

4 0
3 years ago
Read 2 more answers
What is 334.54 + 198 grams
lidiya [134]
334.54 + 198 = 532.54 grams total

hope this helps
6 0
3 years ago
Read 2 more answers
Which of the graphs below represents the equation 8x − y = -4?
Akimi4 [234]

Answer:

8x-y+4=0

Step-by-step explanation:

because 8x-y+4=-4+4

8 0
2 years ago
The following gives information about the proportion of a sample that agree with a certain statement. Use StatKey or other techn
marishachu [46]

Answer:

(0.2278, 0.3322)

Step-by-step explanation:

Given that out of 400 people 112 agree and 288 disagree

Proportion of people agreeing = \frac{112}{400} =0.28

q=1-p =0.72\\se = \sqrt{\frac{pq}{n} } =0.03175

For confidence interval 90% we have critical value as

1.645

Margin of error =1.645*SE

=1.645(0.03175)\\= 0.0522

Confidence interval = (0.28-0.0522, 0.28+0.0522)\\= (0.2278, 0.3322)

3 0
2 years ago
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