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3 years ago

Simplify if possible За2 + ба +2b2

Mathematics

2 answers:

OlgaM077 [116]3 years ago

5 0

Is this the question??

vredina [299]3 years ago

3 0

9a + 2b + 4 bc your adding like terms which is 3a+6a and 2+2 is 4. Since there’s only one 2b it stays the same

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Read 2 more answers

72 greater than a is at least 7

KonstantinChe [14]

It could be? the 7 could be 7 to literally any number soooo

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3 years ago

HELP PLZ PICK ONE OF THE ONES SHOWN:

defon

I am doing with Question Number 2

Let the two numbers be 'x' and 'y'.

According to the question, the product of two numbers is 14.

$x \times y=14$

So, xy=14 (Equation 1)

Now, one of the numbers is 3 ½ times the other.

So, $x = 3\frac{1}{2}\times y$

$x=\frac{7}{2}y$ (Equation 2)

Substituting the value of 'x' from equation 2 in equation 1, we get

$\frac{7}{2}y \times y = 14$

$\frac{7}{2}y^{2} = 14$

$y^{2} = 4$

So, y= 2 and -2

So, $x=\frac{14}{2}$ and $x=\frac{14}{-2}$

x=7 and -7

Numbers are 2,7 and -2,-7.

Sum of numbers 2 and 7 = 9

Sum of numbers -2 and -7 = -9.

6 0

3 years ago