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vichka [17]
3 years ago
5

Explain how you know that the sum of 12.6,3.1, and 5.4 is greater than 20

Mathematics
1 answer:
ozzi3 years ago
5 0
By just looking at ur whole numbers...12 + 3 + 5 = 20...and thats not even counting ur decimals..so by adding ur decimals, u know that it will be over 20.
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60 points!!! Please answer immediately and the entire page please I will also give you five stars
Nataly_w [17]

Answer:

Step-by-step explanation:

9.  Correct, D

-3Y + 9X <= 12

3Y - 9X => -12

3Y => -12 + 9X  

Y => -4 + 3X  

10.  D

11.  D

12.  Correct, B

13.  Correct, E

14.  A

15.  B

5 0
2 years ago
Find the sum of the first 7 terms of the series.
Flura [38]

Answer:

C.258

Step-by-step explanation:

6-12+24-48+96-192+384

7 0
3 years ago
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Whats the solution ​
Sergio039 [100]

Answer:

Step-by-step explanation:

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(x+6)^2+(y+7)^2 - 36 - 49 + 69 = 0

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The center is (-6,-7) and the radius is 4.

Hope this helps!

5 0
2 years ago
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fenix001 [56]

Answer:

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Step-by-step explanation:

Hello

To simplify the polynomial we must eliminate the parentheses

by definition

ax^{n}*bx^{m} =abx^{n+m}

(2x-1)(2x^{2} +5x+3)+(3x+6)\\(4x^{3} +10x^{2} +6x-2x^{2} -5x-3)+(3x+6)\\\\We\ add\ the\ similar\ terms\\\\(4x^{3}+8x^{2} +x-3)+(3x+6)\\\\4x^{3}+8x^{2} +4x+3

I hope it helps

Have a great day

5 0
3 years ago
Read 2 more answers
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Natalija [7]

Answer:

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Step-by-step explanation:

10% = 6

⬇️ x3

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⬇️ Add onto 60

60+18=78

4 0
2 years ago
Read 2 more answers
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