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Irina18 [472]
3 years ago
13

{2x + y = 8 x + -4y = 5

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0

Answer:

x 29/7    

y -2/7

Step-by-step explanation:

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Pavlova-9 [17]
One way is to graph it and do the vertical line test
it is not a function if we can draw a vertical line in the graph that passes through 2 points of the graph

if we graph this function, we see there is no place we can draw a vertical line and hit the line twice
3 0
4 years ago
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Write the justifications for the following line transitions.
Lera25 [3.4K]

Hi

Here is the Justification

Line 1 : 3p-(p+8) = 5p-7            [Given]

Line 2:  3p-p-8=5p-7               [ Applying distributive property]

Line 3:  2p-8=5p-7                   [Simplifying like terms]

Line 4:   -8=3p-7                       [Subtraction property]

Line 5 -1=3p                              [Additive property](Add 7 on both sides]

Line 6 -1/3=p                             [Multiplicative inverse or division]

Line 7 p=-1/3                             [Property of equality]


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5 0
3 years ago
What might have happened if the Dodgers had not signed Jackie Robinson?
Sunny_sXe [5.5K]

Answer:

1

Step-by-step explanation:

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5 0
3 years ago
The record high temperature is 41° the record low temperature is -16° what is the difference in the record temperatures
vampirchik [111]

Answer: 57\°

Step-by-step explanation:

For this exercise it is important to remember that:

1. The word "difference" indicates subtraction (The result of a subtraction is called "difference").

2. The multiplication of signs:

(+)(+)=+\\(-)(-)=+\\(-)(+)=-\\(+)(-)=-

For this case, according to the data given in the exercise, the records high temperature and the record low temperature are:

High\ temperature=41\°\\\\Low\ temperature=-16\°

Therefore, if you want to find the difference in the record temperatures, you need to sutract them.

Then you get the following result:

High\ temperature-Low\ temperature=41\°-(-16\°)=41\°+16\°=57\°

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3 years ago
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boyakko [2]

Answer:

I dont know but when u got the answer tell me

5 0
3 years ago
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