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ehidna [41]
3 years ago
6

Which equation represents a line perpendicular to the line shown on the graph?

Mathematics
1 answer:
Vadim26 [7]3 years ago
4 0

Answer:

See description below.

Step-by-step explanation:

To choose the correct equation, find the slope of the line on the graph. Identify two points on the line. Then subtract to find their rate of change using the slope formula.

m=\frac{y_2-y_1}{x_2-x_1}

When you know the slope, find the negative reciprocal. For example, if the slope is 2/1 then the negative reciprocal is -1/2. This is the slope of a perpendicular line to a line with slope 2. Choose the equation which has this same slope.

Example:

y = 2x -1

y= -1/2 +5

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Brian ordered 3 large cheese pizzas and a salad. The salad cost $4.95. if he spent a totai of $47.60 including the $5 tip, how m
jarptica [38.1K]

Each pizza cost $ 12.65

<h3>What is an Equation ?</h3>

An Equation is used in determination of unknown variables in an expression .

It is given that

Brian ordered 3 large cheese pizzas and a salad.

The salad cost $4.95

Total amount spend = $47.60

Tip = $5

The amount spend in food is $ 47.60-5

= $42.60

Let the price of Pizza is x then the equation that can be formed to determine the price of pizza is

3x + salad = 42.60

3x + 4.95 = 42.60

3x = 37.65

x = $12.65

Therefore each pizza cost $ 12.65

To know more about Equation

brainly.com/question/10413253

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7 0
2 years ago
Find the average rate of change of = f(x)= 2x^2-8x from X = 2 to X = 6 . Simplify your answer as much as possible.
erastova [34]
Average rate=delta y/delta x...  

c=(72-48-8+16)/(6-2)

c=32/4

c=8


7 0
4 years ago
3. The sum of the measures of a complement and a supplement of an angle is 200. What is the measure of the angle?
klasskru [66]
Hi there!

Let th' required angle = X

Then,

• Complement of th' angle = 90 - X
• Supplement of th' angle is = 180 - X

According to th' question,
Sum of Complement and Supplement :-

(90 - X) + (180 - X) = 200

⇒ 90 - X + 180 - X = 200

⇒ 270 - 2X = 200 

⇒ 2X = 270 - 200

⇒ 2X = 70 

⇒ X = \dfrac {70}{2} = 35

Hence,
Th' measure of the angle is 35°

~ Hope it helps!
5 0
3 years ago
Help with this question please
Veronika [31]

Answer:

I don't normally really really really really really really really really

3 0
3 years ago
How do I answer this?
12345 [234]

Answer:

Step-by-step explanation:

area of trapezium ABCD

=(16.5+12)/2 \times 15

=(28.5)/2 \times 15

=213.75 cm^2

\frac{PQ}{DC} =\frac{8}{12} =\frac{2}{3}

Area of PQRS

=213.75 \times (\frac{2}{3} )^2\\=213.75 \times\frac{4}{9} \\=95 ~cm^2

area of green portion=213.75-95=118.75 cm²

6 0
2 years ago
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