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Marat540 [252]
2 years ago
11

1

Mathematics
1 answer:
likoan [24]2 years ago
6 0

Answer:

1) -
2) +

3) -
4) +

Step-by-step explanation:

сумма внутренних углов треугольника не должна превышать 180 градусов

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You can use _____ to help determine the right foods to eat.
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A cable service provider charges $40 per month for its basic package plus an additional $5.35 for each premium channel chosen. T
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The can of corn shown below has a circular top. What is the appropriate area of the top of the can?
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Step-by-step explanation:

hope this helped

stay safe

brainliest is appreciated only 1more to level up please help :)))

7 0
4 years ago
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Can you help me to solve this​
Ber [7]

Answer:

\frac{4a-2}{2a+1}

Step-by-step explanation:

Factorise the numerator and denominator

8a² - 2 ← factor out 2 from each term

= 2(4a² - 1) ← 4a² - 1 is a difference of squares

= 2(2a - 1)(2a + 1)

4a² + 4a + 1 ← is a perfect square

= (2a + 1)²

Thus

\frac{8a^2-2}{4a^2+4a+1}

= \frac{2(2a-1)(2a+1)}{(2a+1)(2a+1)} ← cancel (2a + 1) on numerator/ denominator

= \frac{2(2a-1)}{2a+1}

= \frac{4a-2}{2a+1}

3 0
3 years ago
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