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Morgarella [4.7K]
3 years ago
12

Brainliest if your correct

Mathematics
2 answers:
prohojiy [21]3 years ago
7 0

Answer:the last one

Step-by-step explanation:

-12s squared +11st -2tsquared

-3s *4s = 12s squared

-3s*-t= 3st

2t*4s=8st

2t*-t=2t squared

loris [4]3 years ago
4 0

Answer:

it would be the last option

Step-by-step explanation:

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The sum of three numbers is 855. One of the numbers, x, is 50% more than the sum of the other two numbers. What is the value of
Snowcat [4.5K]

Answer:

The value of x = 513

Step-by-step explanation:

Let x, y, and z be the three numbers

Given

x+y+z=855

Assuming x be the number which is 50% more than the sum of the other two numbers.

i.e.

(150)% of (y+z) = 1.5(y+z)

                y + z = x/1.5

As we know that

x + y + z = 855

substituting y + z = x / 1.5 in the equation

x+\frac{x}{1.5}=855

Multiply both sides by 1.5

x\cdot \:1.5+\frac{x}{1.5}\cdot \:1.5=855\cdot \:1.5

1.5x+x=1282.5

2.5x=1282.5

Divide both sides by 2.5

\frac{2.5x}{2.5}=\frac{1282.5}{2.5}

x = 513

Therefore, the value of x = 513

8 0
3 years ago
Need help with this <br>​
defon

Let n be the larger integer and n-2 be the smaller integer.

n² - (n - 2)²

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IrinaK [193]

Answer:

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Step-by-step explanation:

The position to term is 'multiply by 4 then add 3'.

The formula can be :

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Put n = 5 in the above formula.

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