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Lapatulllka [165]
3 years ago
14

Use intercepts to graph the line described by the equations-2x-4y=8

Mathematics
1 answer:
tekilochka [14]3 years ago
8 0

-- The x-intercept is the point where the line crosses the x-axis.
So y=0 there.

           <u>-2x - 4y = 8</u>
          -2x - 4(0) = 8
          -2x          =  8

Divide each side by  -2 :   x = -4     =>  the x-intercept is  (-4, 0)  


-- The y-intercept is the point where the line crosses the y-axis.
So x=0 there.

           <u>-2x - 4y = 8</u>
         -2(0) - 4y = 8
                  -4y = 8

Divide each side by  -4 :   y = -2     =>  the y-intercept is  (0, -2)    

Now you have two points on the graph ... the points where the line crosses each axis.

Mark little dots at both points, then lay your ruler across both dots, and draw
the line along the edge of the ruler, as far as you want to in both directions.


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Answer:

-42, -21, -14, -7, -6, -3, -2, -1, 1, 2, 3, 6, 7, 14, 21, & 42

Step-by-step explanation:

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3 years ago
What is the area of a rectangle that has a perimeter of 87.20?
harkovskaia [24]
The answer is 43.6 your welcome 87.20 divided by two is 43.6.
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3 years ago
Expand the number 1120 into its corresponding exponential form. 25 · 5 · 7 52 · 8 22 · 53 · 7 2 · 5 · 7
Eduardwww [97]

Answer:

(A) 2^{5} * 5 * 7

Step-by-step explanation:

Your question formatting made it very complicated to understand the possible answers.  Please use some notation or the equation editor next time.

So, the exponential form a way to write a number using multiplications and powers.

Let's examine the various options (if I read them correctly)

(A) 2^{5} * 5 * 7 - YES!

2^{5} is 32, so 32 * 5 * 7 = 160 * 7 = 1120

(B) 5² · 8  - NO

= 25 * 8 = 200

(C) 2² * 5³ * 7 - NO

= 4 * 125 * 7 =500 * 7 = 3500

(D) 2 · 5 · 7 - NO

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5 0
3 years ago
Kai had a gross weekly paycheck of $616 last week. Kai worked 6 hours for 4 of the days and 8 hours on 1 day. What is Kai's hour
gizmo_the_mogwai [7]

The correct answer is B. $ 19.25

Explanation:

To calculate the hourly rate of pay, first, let's calculate the total number of hours Kai worked, and then divide the total earned into the number of hours.

6 hours x 4 days = 24 hours

8 hours x 1 day = 8 hours

24 hours + 8 hours = 32 hours

This shows Kai worked a total of 32 hours. Now to find the hourly rate of pay, follow this procedure:

$616 (total earned) ÷ 32 hours = $19.25 each hour

This means Kai earns $19.25 for each hour of work and therefore the hourly rate of pay is $19.25.

4 0
3 years ago
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How do we solve 34.1/X=22
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3 years ago
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