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gulaghasi [49]
3 years ago
8

Tia surveyed every third house in the locality to determine the number of people who own pets.

Mathematics
2 answers:
MrRissso [65]3 years ago
4 0
I think it is c, I could be wrong though
murzikaleks [220]3 years ago
4 0
D the environment is controlled
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Find the roots for the above given quadratic equation.<br><br> Please show the working too.
Mars2501 [29]

Step-by-step explanation:

9x^{2} - 9 (a + b)x + 2a^{2} + 5ab + 2b^{2} = 0\\9x^{2} - 3[(3a + 3b)]x + 2a^{2} + 4ab +ab + 2b^{2} = 0\\9x^{2} - 3[(a + 2b) + (2a + b)]x + 2a[a + 2b] + b [a + 2b] = 0\\9x^{2} - 3(a + 2b)x - 3 (2a + b)  + (a + 2b)(2a + b) = 0\\3x [3x - (a + 2b)] -(2a + b)[3x - (a + 2b)]=0\\\:\: [3x - (a + 2b)] - [3x - (2a + b)] = 0\\\\\\\\\circ\:3x - (2a + b) = 0\\\boxed{\underline{x = \frac{2a + b}{3} }}\\\\\\\\\circ\:3x - (2a + b) = 0\\\boxed{\underline{x = \frac{a + 2b}{3} }}

So, the roots are:

<u>1) x = 2a + b/3</u>

<u>2) x = a + 2b/3</u>

_________

Hope it helps!

◇ Please refer to the attachment if the latex code shows some error.

\mathfrak{Lucazz}

6 0
2 years ago
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Mr seidel filled up his 14 gallon gas tank for $29.96 what was the price per gallon
Genrish500 [490]
2.14 is the price per gallon.

I figured this out by dividing 14 by 29.96 and I got 2.14 and to check my work I multiplied 2.14 by 14 and got 29.96 .
6 0
3 years ago
Use decimals to express a probability in tenths.
Alisiya [41]
The answer is 1/10
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vfiekz [6]

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Step-by-step explanation:

6 0
3 years ago
PLS HELP WITH THIS MATH
laiz [17]
I think it’s 28.35

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56.7 -28.35 = 28.35
6 0
2 years ago
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