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Paraphin [41]
3 years ago
13

3n-5=8(6+5n) addition property of equality

Mathematics
1 answer:
blagie [28]3 years ago
4 0

Answer:

exact form:  n=-53/37

Step-by-step explanation:

isolate the variable by dividing each side by factors that don't contain the variable.

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3. Which of the following are the roots of the quadratic function below?
sergejj [24]

Answer:

x = ± 12

Step-by-step explanation:

Given

f(x) = x² - 144

To find the roots set f(x) = 0, that is

x² - 144 = 0 ( add 144 to both sides )

x² = 144 ( take the square root of both sides )

x = ± \sqrt{144} = ± 12

4 0
2 years ago
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The graph shows a quadratic function, f(x), and a cubic function, g(x).
DENIUS [597]

Answer:

B,c,d

Step-by-step explanation:

6 0
3 years ago
The senior class at South High school raised $80,000 from raffle tickets. Tickets cost $150 for a chance to win a Disney Vacatio
Effectus [21]

Answer:

y = 175. x = 300. Disney vacation is 300 sold. Cars sold were 175.

Step-by-step explanation:

They want to raise $80,000. There are a total of 475 tickets.

150x + 200y (Disney Vacation + Win a car) = 80,000

x + y = 475.

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y=475-x

150x+200(475-x)=80000

150x+95,000-200x=80,000.

-50x + 95,000 = 80,000.

-50x = -15,000

x = 300.

Disney vacation is 300 sold.

300 + y = 475.

y = 175.

Cars sold were 175.

Additional Info:

I am 14 years old and I'm learning solving the systems by elimination and substitution, etc. Hope this is the correct answer.

8 0
2 years ago
What is the system equation of y=1/4x : x+4y=8?
Masja [62]
Since x+4y = 8 the thing is y = 1/4*x but if you get 1/4 of x then multiply it by 4 when you put it back in the problem, which means x=4 y=1
3 0
2 years ago
What is the answer to 3X - 5=16
sineoko [7]
The answer is x=7. I hope this helps. Tell me if you need an explanation!
7 0
3 years ago
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