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IgorC [24]
2 years ago
9

Combine like terms:

Mathematics
2 answers:
pickupchik [31]2 years ago
7 0
So we have to use the distributive property:

We ll get -12x-9-2x+5+18x-24
Now we have to combine like terms
-12-2x+18x=4x
-9+5-24=-28
Therefore our answer is:
Y=4x-28
mafiozo [28]2 years ago
3 0

Answer:

4x - 28

Step-by-step explanation:

-3(4x + 3) - (2x - 5) + 6(3x - 4)

\mathrm{Apply\:the\:distributive\:law}:\quad \:-\left(a-b\right)=-a+b

-\left(2x-5\right)=-2x+5

=-3\left(4x+3\right)-2x+5+6\left(3x-4\right)

=-12x-9-2x+5+6\left(3x-4\right)

=-12x-9-2x+5+18x-24

\mathrm{Group\:like\:terms}

=-12x-2x+18x-9+5-24

\mathrm{Add\:the\:numbers:}\:-9+5-24=-28

=-12x-2x+18x-28

\mathrm{Add\:similar\:elements:}\:-12x-2x+18x=4x

=4x-28

<em>~Learn with Lenvy~</em>

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WILL MARK BRAINLIEST <br> in detail, what would you do in order to graph y = 3x -5
Hunter-Best [27]

So first, you need to identify the parts of this equation.

3x is the slope of the line, which is \frac{3}{1}.

-5 is the y-intercept. or the part of the line that touches the y-axis.

The first thing you want to do is plot the y-intercept. SO, go to the y-axis and find -5. Plot your point there.

Now, use the slope \frac{3}{1} to find your next plot. Since slope is \frac{rise}{run}, you go up three, and over to the right one.

Now, draw a line connecting the dots. Your slope should be positive and look like > /

~theLocoCoco

5 0
3 years ago
Solve the system by substitution.<br> x= -5y - 6<br> 5x – 3y = -2 <br> What’s is the solution?
Alecsey [184]
(-1,-1)

I recommend photomath, it helps with all equations!
7 0
3 years ago
What is -4/3 times 9/5?
guajiro [1.7K]

Answer:

-12/5

Step-by-step explanation:

-4 * 9 = -36 (numerator)

3 * 5 = 15 (denominator)

Take 3 out of both to simplify.  

-36/3 = -12

15/3 = 5

Final Answer:

-12/5

7 0
3 years ago
A lottery consists of one $2000 winner, three $500 winners, and ten $100 winners. a total of 1000 tickets are sold for $10 each.
Semenov [28]

Answer: -5.5

 

WOKINGS

Given that the lottery has the following number of winners:

One $2000 winner

Three $500 winners

Ten $100 winners

 

Also Given,

A total of 1000 tickets are sold

Each ticket costs $10

 

The expected winning for a person purchasing one ticket is the sum of the products of the gain/loss and their corresponding probability.

 

There is one $2000 winner

There are 1000 tickets

The probability of winning $2000

= 1/1000

= .001

There are three $500 winners

There are 1000 tickets

The probability of winning $500

= 3/1000

= .003

 


There are ten $100 winners

There are 1000 tickets

The probability of winning $100

= 10/1000

= .01

 

Since each ticket costs $10

Everyone who buys a ticket automatically loses $10.

Therefore, the probability of losing $10 is 1

 

Now to calculate the expected winning for a person purchasing one ticket

= 2000(.001) + 500(.003) + 100(.01) – 10(1)

= 2 + 1.5 + 1 – 10

= -5.5

 

The expected winning is -5.5. This implies that a person playing this lottery can expect to lose $5.50 for every one ticket that they purchase. 

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3 years ago
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