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irina1246 [14]
3 years ago
14

Can you please Simplify 4a+7b+5a-b

Mathematics
1 answer:
vovangra [49]3 years ago
7 0

Answer:

9a+6b

Step-by-step explanation:

4a+7b+5a-b

First figure out the  a's 4a + 5a = 9a

Then do b's (Remember, if there is no number by the letter then it is 1)

7b - 1b = 6b

So for this to be simplified the answer is 9a+6b

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The formula for a triangular pyramid is 1/3AH. A is the area of the base. H is the height of the pyramid. So to find the area of a right triangle, you would use the formula (a x b)/2. So (10 x18)/2 is 90 inches^2. Now you can fill in the first formula. 1/3(90 x 14), which equals 420 inches^3. I hope you find this helpful (if correct.)
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3 years ago
What is the quotient (6x4 + 15x3 − 2x2 + 10x − 4) ÷ (3x2 + 2)
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3 years ago
IVE BEEN ASKING FOR HOURS!!!!!! PLEASE HELP ME ANYONE!!!!! Juliet coaches softball and soccer. she coaches both sports for 15 ho
IrinaK [193]

Answer:

x + y = 15

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Step-by-step explanation:

Let :

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Total practice time :

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3 0
2 years ago
How many solutions does this linear system have?
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4 0
2 years ago
Pete and Teegan each put the same amount of money in a new bank account. Teegan's account earns 2.75% simple interest, and she e
ss7ja [257]

Answer:

$4

Step-by-step explanation:

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Teegan's account earns 2.75% simple interest and she earned $2.20 in interest after one year.

P = $80

Now, this $80 in Pete's account earns 5% simple interest.

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