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Anastasy [175]
3 years ago
11

What is 15+12x-5x+4y-7 by combining like terms

Mathematics
2 answers:
SpyIntel [72]3 years ago
7 0

Answer:

Step-by-step explanation:

Your answer is 7x+4y+8

nevsk [136]3 years ago
4 0

Answer:

8+7x+4y

Step-by-step explanation:

15+12x-5x+4y-7

15, and -7 are like terms.     12x, and -5x are like terms.      4y does not have a like term.

So we substract 7 from 15 and that equals 8.

Then we substract 5x from 12x and that equals 7x.

And we leave the 4y alone.

Hope this help you.

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What number is 7 units to the left of -1?
expeople1 [14]
7 unit to the left, means it is 7 less than -1. 
-1-7 = -8

Ans: -8
7 0
3 years ago
the table shows the balance of a money market account over time. write a function that represents the balancr y (in dollars) aft
Solnce55 [7]

Answer:

y = 1500 * 1.09^t

Step-by-step explanation:

It should be clear that the rate of change is non-linear, meaning that we can express the function in the following manner

y = a * b^t, where a is the initial value and b is the rate of change and t is how many years.

Well, year 0 is the rate of change so we can say that a = 1500

Next, we divide any two consecutive year balances to find our rate of change:

1635/1500 = 1.09

Therefore, our equation looks like this: y = 1500 * 1.09^t

6 0
2 years ago
Help Find AB please explain
agasfer [191]

Answer:

AB=2\sqrt{29}

Step-by-step explanation:

Hope it helps you in your learning process.

7 0
3 years ago
candy bars are sold at a local store for 60 cents each. The factory has $1000 in fixed costs plus 10 cents of additional expense
Westkost [7]

Answer:

2000 bars, or $1200

Explanation:

Let x represent the number of candy bars that are sold.  Since they are sold for $0.60 each, this gives us the expression

0.60x

to represent the profit.

The factor has $0.10 per candy bar additional expense; this gives us the expression

0.10x.

However the factory also has $1000 fixed costs; this gives us

0.10x + 1000

to represent the costs.

The break-even point is the point where these two expressions are equal; this gives us the equation

0.60x = 0.10x + 1000

Subtract 0.10x from each side:

0.60x - 0.10x = 0.10x + 1000 - 0.10x

0.50x = 1000

Divide both sides by 0.50:

0.50x/0.50 = 1000/0.50

x = 2000

The break-even point is 2000 candy bars, which would sell for

0.60(2000) = $1200

3 0
3 years ago
Read 2 more answers
Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
Bogdan [553]

Answer: What is the answer you need?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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