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seraphim [82]
2 years ago
7

What is the negative solution to this equation? 4x^2+12x=135​

Mathematics
1 answer:
Scrat [10]2 years ago
6 0

Answer:

-\frac{15}{2}

Step-by-step explanation:

\mathrm{Subtract\:}135\mathrm{\:from\:both\:sides}

4x^2+12x-135=135-135

\mathrm{Simplify}

4x^2+12x-135=0

x1, 2=−b±√b2−4ac2a For     a=4, b=12, c=−135x1, 2=−12±√122−4· 4(−135)2· 4

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You are a member of your local movie theater’s club. Every time you see a movie at the theater, you earn 2 advantage points. Whe
Snowcat [4.5K]

You have to watch 30 movies to earn a free movie pass.

Step-by-step explanation:

Given,

Points earned for each movie = 2 points

Current points = 40 points

Free movie pass = 100 points

Let,

x be the number of movies you have to watch.

2*number of movies + current points = 100

2x+40=100

Subtracting 40 from both sides

2x+40-40=100-40\\2x=60

Dividing both sides by 2

\frac{2x}{2}=\frac{60}{2}\\x=30

You have to watch 30 movies to earn a free movie pass.

Keywords: linear equation, division

Learn more about division at:

  • brainly.com/question/2821386
  • brainly.com/question/2860697

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3 years ago
Nigel went to a sandwich shop for lunch. The menu to the above shows the types of cheeses and meats available. If Nigel chooses
bogdanovich [222]

Answer:

8

Step-by-step explanation:

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6 0
2 years ago
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A hotel has $504 to buy new pillows. If the cost of each pillow is $6, how many pillows will the hotel be able to buy? A) 78 B)
Naddik [55]
Hello there! 
You can use the equation:
504 ÷ 6
84
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4 0
3 years ago
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The sum of 3 times the value of x and 2 is equal to four less than five times the value of x. Which equation can be used to find
bonufazy [111]

The question has omitted  options but i will solve, so you will just check my answer from the options you have.

Answer: The equation  to find the value of x = 3x+ 2= 5x-4

The value of x= 3

Step-by-step explanation:

Step 1

The sum of 3 times the value of x and 2 is equal to four less than five times the value of x can be expressed as

3x+ 2= 5x-4

Step 2

Solving this equation  to find the value of x , we have that

3x+ 2= 5x-4

3x-5x= -4-2

-2x= -6

x= -6/-2

x=3

5 0
3 years ago
An athletic field has the shape of a 40-yard-by-100-yard rectangle with a semicircle at each end. A running track that is 10 yar
astraxan [27]

Answer:

5000 is the answer

Step-by-step explanation:

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