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Dafna11 [192]
3 years ago
13

Five less than the product of eight and a number

Mathematics
1 answer:
babymother [125]3 years ago
6 0

Answer: 8n-5

Step-by-step explanation:

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2 years ago
When solving the system of equations by graphing, what is the solution of 3x + 2y = 2 and 2x – y=6?
oksian1 [2.3K]

Answer:

answer B: (2,-2)

Step-by-step explanation:

First, write the equations on top of each other:

3x+2y=2\\2x-y=6

Then, multiply the the second equation by 2 so that we can use elimination of the y-variable:

3x+2y=2\\2(2x-y)=2(6)\\\\3x+2y=2\\4x-2y=12

Next, use elimination to find the value of "x":

3x+2y=2\\+(4x-2y=12)\\\\7x+0=14\\7x=14\\\frac{7x}{7}=\frac{14}{7}\\x=2

So, your x-value is 2.

Now, substitute your x-value into one of your equations, let's take the second equation, 2x-y=6:

2x-y=6\\2(2)-y=6\\4-y=6\\4-4-y=6-4\\-y=2\\\frac{-y}{1}=\frac{2}{-1}\\y=-2

Your y-value is -2.

With all your information gathered, you find that the solution to this system of equation is (2,-2).

5 0
3 years ago
Which value, when placed in the box, would result in a system of equations with infinitely many solutions?
cupoosta [38]

Answer:

answer it s 12. just put the value

5 0
3 years ago
Someone who's good at math please help me!!!
timurjin [86]
#1.
Here what you do is cross multiply.
\frac{8x}{13x}
#2.
Same as #1, just cross multiply.
\frac{9x}{12}

You get the gist?
8 0
3 years ago
Pleaseeeee help me with this!!
VikaD [51]

Answer:

The correct option is C.

Step-by-step explanation:

The bike shop owner rents out bikes and scooters.

The cost to rent a bike is $15 plus $8 per hour for each hour the bike is rented.

Rent of bike = Fixed rent + Variable rent

The rent function of a bike is

f(x)=15+8t

Where, t is number of hours.

The cost to rent a scooter is $35 plus $5 per  hour for each hour the scooter is rented.

The rent function of a scooter is

f(x)=35+5t

Where, t is number of hours.

The slope intercept form of a line is

y=mx+b

Where, m is slope and b is y-intercept.

So by slope intercept form the rate of change of bike is $8 and rate of change of scooter is 5.

8>5

Therefor option C is correct.

4 0
3 years ago
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