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Vladimir [108]
2 years ago
14

Casey correctly wrote and solved a system of linear equations by substitution. In his work, he submitted an expression for one v

ariable and solved for the other. This resulted in the equation 5=20. What can Casey conclude?

Mathematics
1 answer:
TiliK225 [7]2 years ago
6 0

Answer:

Inconsistent equations  

Step-by-step explanation:

Casey's system of equations is inconsistent. They have no solution.

A graph of his two equations would consist of two parallel lines, something like in the diagram below.


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The sum of two numbers is 43 . The smaller number is 19 less than the larger number. What are the numbers?
Setler [38]
Let the smaller number be x and the larger number be y.
We can calculate this by using simultaneous equation, aka listing 2 equations out.
From given,
X + y = 43
Let this be equation no. 1
X + 19 = y
Let this number be equation 2.
We can do simultaneous equations either by substitute method or elimination. In this case I'm using substitute.
We can already obtain the value of y (in terms of x) in euqation no. 2, so all we gonna do is to put y into equation 1.
X + x + 19 = 43
Solve this by algebra.
2x = 43 - 19
X = 12
Now we know the exact value of x
Now substitute x = 12 into equation no. 2
12 + 19 = y
Y = 31
So the answer is 12 and 31
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2 years ago
A triangle contains angles mesuring 28 degrees and 37 degrees. How many degrees is the third angle?​
Orlov [11]

Answer:

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Step-by-step explanation:

<u>We know that:</u>

  • Angles ∠A and ∠B are 28° and 37°.

<u>We don't know:</u>

  • Angle ∠C's angle

<u>So, we do this:</u>

  • Add the 180°
  • Solve the equation 180 - 28 - 37

<u>Solve:</u>

  • 180 - 28
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Angle ∠C is 115°.

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Answer:

I don’t know

Step-by-step explanation:

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Summer is having a pool party at her house In the ice chest me are of lemonade and 13 bottles of water If she randomly grabs abo
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divided by
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Total number of ways it can come out =

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Probability of coming out the way you want it to =

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