Why dose a triangle form 180 degress

Mathematics

1 answer:

Lelu [443]3 years ago

3 0

All Triangles are equal to 180° on a plane surface no triangle is equal to 180° on a curved surface.

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The sum of two numbers is 12. The first number, x, is twice the second number, y. Which system of equations could be used to fin

Firdavs [7]

Answer:

D) x+y=12, x=2y

Step-by-step explanation:

We know that x+y=12 and x=2y given the word problem, so D is correct.

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vfiekz [6]

Answer:

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Ludmilka [50]

Transpose the equation:

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kifflom [539]

Given:

Principal = $14000

Rate of interest = 10% compounded semiannually.

Time = 11 years.

To find:

The accumulated value of the given investment.

Solution:

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$A=P\left(1+\dfrac{r}{n}\right)^{nt}$

Where, P is the principal values, r is the rate of interest in decimal, n is the number of times interest compounded in an year and t is the number of years.

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