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____ [38]
3 years ago
13

Given the graph of a line y=−x. Write an equation of a line which is perpendicular and goes through the point (8,2).

Mathematics
2 answers:
coldgirl [10]3 years ago
6 0

Answer:

y = x - 6

Step-by-step explanation:

The slope of y = -x is -1, so the slope of any line perpendicular to y = -x is +1.  Thus,

y = mx + b becomes 2 = 1(8) + b, so that b = -6.

The desired equation is y = x - 6.

Check:  Does (8,2) lie on this line?  Is 2 = 8 - 6 true?  YES.


Lesechka [4]3 years ago
4 0

Answer:

Y=X-6

Step-by-step explanation:

JOOOHNNNNN CENNAAAAA

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A train travels 360 miles in 4.5 hours, moving at a constant speed. How many hours will it take the train to travel 560 miles at
Mashutka [201]

Answer:

The answer would be: 560 miles = 84.5 hours

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Step-by-step explanation:

8 0
2 years ago
If f(x)=x-5, find x when f(x)=15
Leya [2.2K]

Answer:

x = 20

Step-by-step explanation:

we are given the value of f(x), replace it in the first equation

15 = x - 5

solve for x by adding 5 on both sides

15 + 5 = x

20 = x or x = 20

5 0
2 years ago
What effect does decreasing the temperature of a room have on a lifespan of a battery?
Leni [432]

This question is incomplete. There are options in the question (from reference) and no highlight in the red bolded text in the question.

What effect does decreasing the temperature of a room have on a lifespan of a battery?

Which variable is highlighted in red, bolded tex?  

a . Independent

b . Dependent

c . Control

d . None

But the answer to both the independent and dependent variables will be provided and explained in detail.

Answer:

Independent variable: decrease in temperature

Dependent variable: lifespan of battery

 Step-by-step explanation:

The independent variable in an experiment is defined as the variable that can be changed or manipulated in order to find an outcome while the dependent variable is defined as the variable that is influenced by the changes in the independent variable.

In the given example, a decrease in temperature  is the dependent variable as it is changing and the lifespan of battery  is the dependent variable as it is responding to the independent variable ?9decrease in temperature).

8 0
2 years ago
math problem: Amanda worked 4.5 hours on Tuesday and 5.2 on Thursday. Her pay rate is $10.50 per hour. How much will Amanda get
kondor19780726 [428]

Answer:

$101.85

Step-by-step explanation:

Think of the two days as separate equations. They are added together to get a sum of the pay she will receive after the two days.

Equation

(4.5*10.5) + (5.2*10.5) = x (This just represents the unknown value)

Solve Through

(47.25) + (54.60) = x

47.25 + 54.60 = x

101.85 = x

Amanda will get paid $101.85 For her 2 days of work.

7 0
3 years ago
Can someone please help me as soon as possible​
Eduardwww [97]

Answer:

OOH, wooks wike wittle karen needs some help to cheat? awhh, what happened? are you done accusing other people of cheating and now you need to have a go at it??

Step-by-step explanation:

8 0
2 years ago
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