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kotykmax [81]
2 years ago
13

For the equation 2n - 3 = 7, what is the coefficient of the variable

Mathematics
2 answers:
Allisa [31]2 years ago
6 0

Answer:

n=2

Step-by-step explanation:

scoray [572]2 years ago
4 0

Answer:z

Then variable is n

Variable is an alphabet that depend on number. Then the variable there is n

And the coefficient of the variable is 2

The coefficient is the number behind a variable

And the value of the variable is

2n-3=7

Add 3 to both sides

2n-3+3=7+3

2n=10

Divide both side by 2

2n/2=10/2

n=5

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A contractor charges $1,200 for 100 square feet of roofing installed. At this rate, how much does it cost to have 1,100 square f
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Answer:

$13200

Step-by-step explanation:

All we have to do is set up a proportion.

1200/100=x/1100

Thathat means that

100x=1,320,000

x= 13200

4 0
3 years ago
What is the answer to this; 2log10 6-1/3log10 27=log10 x
masha68 [24]
The answer is 4 for this problem.
6 0
3 years ago
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Keisha, John, and Chris have a total of $99 in their wallets. Keisha has %7 less than John. Chris has 2 times what Keisha has. H
eduard

Answer:

99 yeah yeah

Step-by-step explanation:

okayyyyyyy

8 0
3 years ago
I need help with this ASAP and can you explain so i can understand?!
Elanso [62]

Answer:

Adult tickets sold =  225

Student Tickets sold =  375

Step-by-step explanation:

Let:

Adult tickets sold = x

Student Tickets sold = y

Total tickets sold = 600

So, we can write: x+y = 600

Total money collected = 3037.50

Cost of 1 Adult ticket = $6.00

Cost of one Student ticket = $4.50

So, we can write: 6x+4.5y=3037.50

Now, we get a system of equations, that if solved we can find values of x and y

Let:

x+y = 600--eq(1)\\6x+4.5y=3037.50--eq(2)

We can solve using substitution method.

Finding value of x from eq(1) and putting it in eq(2)

We\:have\\x+y=600\\x=600-y

Put in eq(2)

6x+4.5y=3037.50\\6(600-y)+4.5y=3037.50\\3600-6y+4.5y=3037.50\\-1.5y=3037.50-3600\\-1.5y=-562.5\\y=\frac{-562.5}{-1.5}\\y=375

So, we get value of y = 375

Now put value of y in eq(1) to find value of x

x+y=600\\Put\:y=375\\x+375=600\\x=600-375\\x=225

So, we get value of x = 225

The Tickets sold will be:

Adult tickets sold = x = 225

Student Tickets sold = y = 375

3 0
3 years ago
Read 2 more answers
Find the slope given points (3,2) (4,7)
snow_lady [41]

Answer: The slope is 5.

Step-by-step explanation: Use formula: (y2-y1)/(x2-x1)

(7-2)/(4-3)

5/1 = 5

Have a nice day! :)

6 0
3 years ago
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