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mote1985 [20]
3 years ago
9

The line y = -2x - 8 is graphed. Which ordered pairs are solutions to the equation? Check all that apply

Mathematics
1 answer:
PolarNik [594]3 years ago
6 0

Answer:

Any of these could be an ordered pair:

  1. (0, -8)
  2. (1, -10)
  3. (2, -12)

You could plug in any "x" value into the equation and get your "y" answer to make an ordered pair.

<em>Hope this helps!!!</em>

<em>Sofia</em>

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puteri [66]

Answer:

5

Step-by-step explanation:

40÷[20-4*(7-4)]

Start with the inner most parentheses

40÷[20-4*(3)]

Then the brackets, multiply first

40÷[20-12]

Then subtract

40÷[8]

We are now left with the division

5

6 0
3 years ago
Help fast don’t understand
Pani-rosa [81]
200!!!! because it’s 5x20 in each triangle and you divide by 2 so 5x20 is 100 and 100 divided by 2 is 50 and there are 4 squares so 50 x 4 and you get 200 hope that helped!!
7 0
3 years ago
Read 2 more answers
When a = a or 2 = 2, what type of solution do we have
Ilia_Sergeevich [38]

Answer:

<h2><u><em>True</em></u></h2>

Step-by-step explanation:

a = a (true)

2 = 2 (true)

6 0
3 years ago
Read 2 more answers
Jim wants to build a rectangular parking lot along a busy street but only has 2400 feet of fencing available. if no fencing is r
PSYCHO15rus [73]
<span>Length = 1200, width = 600
   First, let's create an equation for the area based upon the length. Since we have a total of 2400 feet of fence and only need to fence three sides of the region, we can define the width based upon the length as: W = (2400 - L)/2
   And area is: A = LW
    Substitute the equation for width, giving: A = LW A = L(2400 - L)/2
    And expand: A = (2400L - L^2)/2 A = 1200L - (1/2)L^2
    Now the easiest way of solving for the maximum area is to calculate the first derivative of the expression above, and solve for where it's value is 0. But since this is supposedly a high school problem, and the expression we have is a simple quadratic equation, we can solve it without using any calculus. Let's first use the quadratic formula with A=-1/2, B=1200, and C=0 and get the 2 roots which are 0 and 2400. Then we'll pick a point midway between those two which is (0 + 2400)/2 = 1200. And that should be your answer. But let's verify that by using the value (1200+e) and expand the equation to see what happens:
   A = 1200L - (1/2)L^2
 A = 1200(1200+e) - (1/2)(1200+e)^2
 A = 1440000+1200e - (1/2)(1440000 + 2400e + e^2)
 A = 1440000+1200e - (720000 + 1200e + (1/2)e^2)
 A = 1440000+1200e - 720000 - 1200e - (1/2)e^2
 A = 720000 - (1/2)e^2
   And notice that the only e terms is -(1/2)e^2. ANY non-zero value of e will cause this term to be non-zero and negative meaning that the total area will be reduced. Therefore the value of 1200 for the length is the best possible length that will get the maximum possible area.</span>
7 0
3 years ago
Joni put $200 in an interest-bearing account with an annual compound interest rate of 5%. Joni determined that after 3 years, sh
sergejj [24]

Answer:

Joni is not correct because she used the simple interest rate formula, not the compound interest rate formula. She will have $231.53.

Step-by-step explanation:

I already took the test

7 0
3 years ago
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