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MAXImum [283]
3 years ago
15

t="3(2x - 3) = 4(x + 1)" align="absmiddle" class="latex-formula">
solve the problem and show your work
Mathematics
1 answer:
drek231 [11]3 years ago
6 0

Answer:

x = \frac{13}{2}

Step-by-step explanation:

distribute parenthesis on both sides of the equation

6x - 9 = 4x + 4 ( subtract 4x from both sides )

2x - 9 = 4 ( add 9 to both sides )

2x = 13 ( divide both sides by 2 )

x = \frac{13}{2}


You might be interested in
Which expression converts 100 inches per minute to feet per minute?
sukhopar [10]

Answer:

100 inches Over 1 minute times × 1 foot Over 12 inches

Step by Step explanation

Remember that

1ft=12in

4 0
3 years ago
What are the first, second, and third frequencies audible from a 20 cm long organ pipe when (A) only one end is open and when (B
kotykmax [81]
A) The answers are:
the first frequency - 428.75 Hz
the second frequency - 1286.25 Hz
the third frequency - 2143.75 Hz

The frequency (when the pipe is closed) is: f = v(2n - 1)/4L
v - the speed of sound
n - the frequency order
L - the length of the organ pipe

We know:
v = 343 m/s
L = 20 cm = 0.2 m

1. The first frequency (n = 1):
f = 343 * (2 * 1 - 1) / 4 * 0.2 = 343 * 1 / 0.8 = 428.75 Hz


2. The second frequency (n = 2):
f = 343 * (2 * 2 - 1) / 4 * 0.2 = 343 * 3 / 0.8 = 1286.25 Hz


3. The third frequency (n = 3):
f = 343 * (2 * 3 - 1) / 4 * 0.2 = 343 * 5 / 0.8 = 2143.75 Hz


B) The answers are:

the first frequency - 857.5 Hz
the second frequency - 1715 Hz
the third frequency - 2572.5 Hz

The frequency (when the pipe is open) is: f = vn/2L
v - the speed of sound
n - the frequency order
L - the length of the organ pipe

We know:
v = 343 m/s
L = 20 cm = 0.2 m

1. The first frequency (n = 1):
f = 343 * 1 / 2 * 0.2 = 343 / 0.4 = 857.5 Hz


2. The second frequency (n = 2):
f = 343 * 2 / 2 * 0.2 = 686 / 0.4 = 1715 Hz


3. The third frequency (n = 3):
f = 343 * 3 / 2 * 0.2 = 1029 / 0.4 = 2572.5 Hz
4 0
3 years ago
Martin is saving for a gaming system. The total cost of the gaming system and three games is $325.49. About how much money shoul
cestrela7 [59]
First you would do $325.49 divided by 20 and you would get $16.27. so you would need $16.27 a week.
4 0
3 years ago
The hidden question the sum of three different numbers is 18. If every number is a prime number, what are the three numbers
sashaice [31]
5, 11 and 2 are all prime numbers which add together to create 18.
5+11=16+2=18
3 0
3 years ago
Read 2 more answers
What is the inverse operation of division?
astraxan [27]
The answer is D, Multiplication
5 0
3 years ago
Read 2 more answers
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