2 years ago

What is an equation of the line with slope 3 that goes through point (2/3, 4)

1 answer:

6 0

A. All the equations are in slope intercept form, so all that's needed to do is plug in 2/3 as the x value in each equation and if the result is 4, then you got the answer.

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A camera has a list price of $579.99 before tax. If the sales tax rate is 7.25%, find the total cost of the camera with sales ta

dezoksy [38]

Answer:

519.99(.0825) = 42.899

519.99 + 42.899 = $562.89

Step-by-step explanation:

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2 years ago

A line passes through the points (–1, –5) and (4, 5). The point (a, 1) is also on the line.

IgorC [24]

Answer:

a = 2

Step-by-step explanation:

Let's find the equation of the line using the 2 points given.

Let's call -1 as x_1 and -5 as y_1

also, 4 as x_2 and 5 as y_2

The equation of line is :

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

Let's plug the points and get the equation of the line:

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\\y+5=\frac{5+5}{4+1}(x+1)\\y+5=2(x+1)\\y+5=2x+2\\y=2x-3$

Now, to find a, we substitute a in x and 1 in y of the equation of the line we just got:

$y=2x-3\\1=2(a)-3\\1=2a-3\\2a=4\\a=\frac{4}{2}=2$

4 0

2 years ago

Read 2 more answers

Find the next term of the following sequence. 25, 10, 4, ... 1.) 0 2.) 8/5 3.) -5

Lostsunrise [7]

Answer:

2.) 8/5

Step-by-step explanation:

a4 = 8/5

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1 year ago

Round 6.81 to the nearest tenth

zhenek [66]

6.8 is the answer!!!!

8 0

2 years ago

Brainlist please help

Veronika [31]

8•4/1 = 32

Part A: Answer B
Part B: Answer A

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2 years ago