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ale4655 [162]
3 years ago
11

Find the equation of the line that is perpendicular to the given line and passes through the given point. Enter your answer in s

lope-intercept form (y=mx+b) with the values of m and b given as decimals, rounded to the nearest hundredth if necessary.
y=2x;(9,-4)
The equation is y=
Mathematics
1 answer:
Usimov [2.4K]3 years ago
8 0

Answer:

y = -1/2x + 1/2

Step-by-step explanation:

perpendicular lines have slopes that are opposite signs and reciprocal

therefore, use m=-1/2 and point (9, -4) to complete the equation by finding 'b' (the y-intercept)

-4 = -1/2(9) + b

-4 = -9/2 + b

-4 + 9/2 = b

-4 + 4 \frac{1}{2} = b

b =  \frac{1}{2}

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a garage floor measures 150 feet by 120 feet. a scale drawing of the floor on grid paper uses a scale of one unit : 15 feet. wha
Nadya [2.5K]
1 unit = 15 feet

150 feet / 1 unit  = 150 / 15 = 10 units

120 feet / 1 unit = 120 / 15 = 8 units

The dimensions of the drawing equates :

10 units by 8 units .

hope this helps!

4 0
3 years ago
Derek's car has run out of gasoline. He walks 24 km west and then 10 km south looking for a gasoline station. If he is now h km
Juliette [100K]

Answer:

the value of h is √676km

Step-by-step explanation:

The computation of the value of h is shown below

Here we apply the Pythagoreus theorem

= 24^2 + 10^2

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Hence, the value of h is √676km

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6 0
3 years ago
in a video game, each player starts the game with k points and loses 2 points each time a task is not completed. If a player who
KIM [24]
The value of k is 400 points.

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We can write and solve the following equation to determine where they started.

x - 200 = 200
x = 400
8 0
4 years ago
Read 2 more answers
6th grade math help me plzzzzz
Pepsi [2]

Answer: -1

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7 0
3 years ago
What is the coefficient in the expression 4x + 2 <br>O2<br>O4<br>Ox<br>O+​
Amiraneli [1.4K]

A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x).

The 2 and + are out since they don't have variables(and the + is just a +).

So 4 and x are left. x is a variable, not a coefficient, so the last(and correct) answer is 4.

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hope it helps

8 0
3 years ago
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