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zmey [24]
3 years ago
6

Match the answer with the question

Mathematics
1 answer:
vlada-n [284]3 years ago
7 0

Answer:

18219

Step-by-step explanation:

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From the sum of 3a^2−ab−2b^2 and 2a^2+5ab−3b^2 subtract a^2−3ab−4b^2
Lubov Fominskaja [6]
(3a^2-ab-2b^2) + (2a^2+5ab-3b^2) - (a^2-3ab-4b^2)

First we distribute the negative throughout the last polynomial:

(3a^2-ab-2b^2) + (2a^2+5ab-3b^2) + (-a^2+3ab+4b^2)

Combine like terms:

4a^2 + 7ab - b^2
3 0
3 years ago
If the r-value, or correlation coefficient, of a data set is negative, the coefficient of determination is positive.
9966 [12]

Answer:

true

Step-by-step explanation:

6 0
3 years ago
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FOR CHANCE TO BE MARKED AS BRAINLIEST PLEASE EXPLAIN HOW YOU GOT THE ANSWER!
Nastasia [14]
1/2 price of 1 gallon = 1.78 gallons
price of 1 gallon= 1.78 gallons * 2
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It is cheaper to buy milk at store 1 than it is at store 2, this is because at store 1 it costs 3.49 per gallon whereas store 2 it is 3.56 per gallon.

Hope this helps! :)
3 0
3 years ago
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What are different solutions of 1x +2y = 12
miv72 [106K]

Answer:

x=12, y=6

Step-by-step explanation:

Very simple!

Just substitute 0 for y and solve for x!

x+2(0)=12 (anything times 0 equals 0!)

x=12

Now you can do the same thing but substitute 0 for x!

0+2y=12

y=6

Hope this helps!

7 0
3 years ago
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Caroline leaves her house and walks north 6 blocks. She turns and heads east 8
olchik [2.2K]

Answer:

C. I think

Step-by-step explanation:

I believe it is C because- mainly I just added-. Gl though!

6 0
3 years ago
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