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anyanavicka [17]
3 years ago
8

Before a renovation, a movie theater had 113 seats. After the renovation, the theater has 163 seats. What is the approximate per

centage increase of the number of seats in the theater?
A 30.6%
B 49.7%
C 44.2%
D 31%
Mathematics
1 answer:
seraphim [82]3 years ago
6 0
To solve this problem you can make a rule of three and find the percentage of increase 
 113 ---> 100
 163 ---> x
 Clearing x we have
 x = (163/113) * (100) = 144.25
 Then, the percentage of growth is
 144.25-100 = 44.25
 answer
  the approximate percentage increase of the number of seats in the theater 44.25%
<span> C 44.2%
</span>
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first part: 3/25

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A. (1.34)(5.46) = (1.76)(x)
Alja [10]
We are given an equation with an unknown variable x. We can find the value of x by dividing both sides by 1.76, as this will leave only x on the right hand side of the equation and its value on the left hand side, as shown below:

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Thus solving the given equation, we get x =4.16, rounded of to nearest hundredth. 
6 0
3 years ago
Simplify 3 - (4x - 5) + 6.<br> A) 12x + 21 <br> B) 4x + 14 <br> C) 4x + 4 <br> D) -4x + 14
stepladder [879]

Answer:

D) -4x+14

Step-by-step explanation:

We are given with the expression

3 - (4x - 5) + 6

Here we are going to open the bracket at first step

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now we bring the like terms together

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6 0
3 years ago
Can you please help me thanks
mash [69]

Answer:

x = 9.6

Step-by-step explanation:

Before we can figure out what x is, we need to figure out what the unlabeled side is. To figure that out, multiply the hypotenuse (12) by the sine of the angle labeled (34)

12 * sin(34)

<em>sin(34) equals 0.559192903470747; I'll round it to 0.6 for convenience.</em>

12 * 0.6

<em>Now simply multiply 12 by 0.6 to get 7.2.</em>

The unlabeled side is approx. 7.2 units long.

Now we know what the unlabeled side is. Now, to find x, find the square root of 12 squared minus 7.2 squared.

x = √12² - 7.2²

<em>12 squared is 144; 7.2 squared is 51.84.</em>

x = √144 - 51.84

<em>Subtract 51.84 from 144 to get 92.16.</em>

x = √92.16

<em>The square root of 92.16 is 9.6 (on the spot!).</em>

x equals 9.6.

6 0
3 years ago
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