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FrozenT [24]
3 years ago
9

Help lol idk what to do

Mathematics
1 answer:
svlad2 [7]3 years ago
7 0
It’s either a or c I’m not real sure
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(2x+3y-4z)-(x-y-z) combine like terms
Fittoniya [83]

Given :-

... ( 2x + 3y - 4z ) - ( x - y - z )

... 2x + 3y - 4z - x + y + z

... x + 4y - 3z is the answer.

Hope it helps!

6 0
3 years ago
If 9x²+Px+25 is a perfect square, then find the value of P​
kvv77 [185]
30 is the value of P
Steps:
A perfect square follows the pattern a^2+2ab+b^2\\\boxed{a=3,b=5}\\\boxed{2ab=30}
8 0
3 years ago
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If the temperature in degrees Celsius , of a particular place from January to December was given as 9,11,12,12,13,14,14,14,16,15
Ira Lisetskai [31]

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use a calculator

Step-by-step explanation:

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5 0
3 years ago
Please answer : <br> (File below)
mars1129 [50]

Answer:

a

Step-by-step explanation:

4 0
3 years ago
Solve −3x2 + 30x − 90 = 0. x equals 5 plus or minus 2i square root of 5 x equals 5 plus or minus i square root of 5 x equals 10
Tcecarenko [31]
The x in your equation is 16/5 or 3 1/5 or 3.2 if you want it simplified 
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3 years ago
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