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Murljashka [212]
3 years ago
8

Can someone give the answer

Mathematics
1 answer:
KonstantinChe [14]3 years ago
4 0

Answer:

(2, -2)

Step-by-step explanation:

Given the equation

x - y = 4 ... 1

6x+y = 10 ...2

Add both expressions

x+6x = 4 + 10

7x = 14

x = 14/7

x = 2

Substitute x = 2 into equation 1;

From 1;

x - y = 4

2 - y = 4

y = 2-4

y = -2

Hence the solution to the system of equation is (2, -2)

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Your math scores are 74, 78, 90, and 91. What is the lowest score you can earn on the next test and still achieve an average of
Stella [2.4K]

The  lowest score you can earn on the next test and still achieve an average of at least an 88 is 107

<h3>Mean of data</h3>

Mean is the average of numbers.

Mean = sum of data/sample size

Let the lowest score be "x" such that;

Mean = 74+78+90+91+x/5

88 =  74+78+90+91+x/5

88(5) = 74+78+90+91+x

440 = 74+78+90+91+x

440 = 333 + x

x = 440 - 333

x = 107

Hence the  lowest score you can earn on the next test and still achieve an average of at least an 88 is 107

Learn more on mean here: brainly.com/question/20118982

#SPJ1

4 0
1 year ago
Help and I will give you lots of points
lapo4ka [179]

Answer:

distributive

Step-by-step explanation:

pls mark brainliest if right pls :)

7 0
3 years ago
Express 4x-1= 3 as a linear equation in two variables​
olga nikolaevna [1]

Hello there!

~I hope you and your family are staying safe and healthy!

4x - 1 = 3

We need to start by saying that y = 3

4x - 1 = y or 4x - y = 1

Thus, the equation above is in the two variable form where y = 3

Thus, the required equation is 4x - y = 1

Let me know if you have additional questions!

~Garebear

3 0
2 years ago
How do I Solve 4y + 3 = 2y + 14 ???
Aloiza [94]
4y+3=2y+14
subtract 2y from both sides to get the y figures on the same side.
2y+3=14
Then subract 3 from both sides to get the number values on the other side.
2y=11
Divide by 2 to get y alone.
y=\frac{11}{2}
y= 5.5
3 0
3 years ago
What does the "5" represent in 13^2/5
anyanavicka [17]

Your answer must be 20 character long, blab alh a a

3 0
3 years ago
Read 2 more answers
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