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2 years ago

14

What have been the major turning points in algebraic knowledge trough out history?

1 answer:

hichkok12 [17]2 years ago

3 0

There are a lot of turning point in the history of algebra one of those is the discovery of the plain and the quadrants by Rene Descartes. This discovery paved way to a lot of knowledge which was later on use in solving other complicated mathematical problems.

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In the given triangle ABC, find DE. answers: 20 5 10 2.5

adell [148]

Answer:

5

Step-by-step explanation:

Let's call the length AD y.

$\dfrac{x+2}{y}=\dfrac{8x-14}{2y} \\\\\\2(x+2)=8x-14 \\\\\\2x+4=8x-14 \\\\\\4=6x-14 \\\\\\6x=18 \\\\\\x=3 \\\\\\DE=x+2=3+2=5$

Hope this helps!

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2 years ago

Which of the following equations shows how substitution can be used to solve the following system of equations?

klasskru [66]

Answer:

i have no idea does anyone else know

Step-by-step explanation:

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1 year ago

If the police car accelerates uniformly at 2.00 m/s2 and overtakes the speeder after accelerating for 9.00 s , what was the spee

Vika [28.1K]

2.00m/s²×9.00s=18m/s
a×t=speed

8 0

2 years ago

I have a shape. one side is 13cm, the opposite side is 9cm, the top is 11cm, and the bottom is 10 cm. is it a parallelogram or a

Shtirlitz [24]

It would be a trapezoid because parallelograms have the top and bottom usually the same number.

3 0

2 years ago

56,00 rounded to 1,000

Dmitry [639]

56,000??
If you mean 56,000 then the nearest thousand is 56,000

6 0

3 years ago