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Galina-37 [17]
3 years ago
15

Simplify –6(5x + 1) + 3(2x – 4).

Mathematics
2 answers:
Aleksandr [31]3 years ago
5 0
Multiply the coefficients to the terms in parentheses:

-6(5x + 1) = (-6 * 5x) + (-6 * 1) = -30x - 6

3(2x - 4) = (3 * 2x) + (3 * -4) = 6x - 12

(-30x - 6) + (6x - 12)

Combine like terms:

-30x + 6x = -24x

-6 + -12 = -18

-24x - 18

The answer is C. -24x - 18.

kondaur [170]3 years ago
4 0
I believe the answer is A
You might be interested in
Part 1:
emmasim [6.3K]
Here are my answers to the given questions above:
Part 1. Here is my example of a real life scenario that describes what is happening. Let us say, I have 2 cookies and the bottle of milk costs 11 dollars, and 3 cookies and 4 bottles of milk cost 24 dollars.
Part 2. 
y=11-2x
3x+4(11-2x)=24
3x+44-8x=24
-5x=-20
x=4
y=11-8
y=3
Therefore, each cookie costs 4 dollars, and a bottle of milk costs 3 dollars.
Hope this answer helps. Let me know if you need more help next time.
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7 0
3 years ago
What is the unit rate for 14 lb for $2.99
Alexeev081 [22]
How much for 1lb
2.99/14=0.213/1=$0.21

it is 21 cents per lb
4 0
3 years ago
The scale of a map is 1 cm: 77 km.
laiz [17]

\bf \stackrel{map}{1~cm}\qquad :\qquad \stackrel{actual}{77~km}\qquad \cfrac{map}{actual}=\cfrac{1}{77}~\hfill \cfrac{\stackrel{map}{3}}{\underset{actual}{a}}=\cfrac{1}{77}\implies 231=a

4 0
3 years ago
One person is selected at random from a class of 20 males and 13 females. Find the odds against selecting a male and a female
spin [16.1K]

Answer:

Odds for male= 1.538

Odds for female =  0.65

Step-by-step explanation:

The question is asking for odds, not a probability. A probability shows how much the chance for the event to happen, so it can be expressed as a percentage. Odds show how the event more likely to happen compared to the chance it did not happen. If an event has a 90% probability, the odds will be 90:10= 9

In this case, the odds of selecting a male will be:  

number of male : number of female= 20:13 = 1.538

The odds of selecting a female will be

number of female : number of male = 13/20 = 0.65

7 0
3 years ago
Solve the equation for me<br> 9y=8(y+11)
IrinaVladis [17]
To start, first distribute 8 to (y+11) which would look something like this:
9y=8y+88
Now, subtract 8y from both sides in order to solve for and isolate the y value. This would result in your answer, y=88.
7 0
3 years ago
Read 2 more answers
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