Find the area of this triangle

Mathematics

1 answer:

uysha [10]2 years ago

3 0

Answer:

i think the answer is 67.5

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velikii [3]

Answer:o

Step-by-step explanation:

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(3x- 1) 71 solve for the equation and x please

Ksivusya [100]

Answer:

x=24

Step-by-step explanation:

The opposite angles are equal as per certain theorems.

3x-1=71

3x=72

x=24

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2 years ago

Richard got. 263, 148 hits when he did an internet search. What is the value of the digit 6 in this nunber?

dsp73

The place value of the number 6 is the ten thousands place.

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Solve the quadratic equation x2+8x−30=0 by completing the square.

diamong [38]

Answer:

$\bold{x=-4\pm\sqrt{46}}$

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\\\\\\x^2+8x-30=0\\\\\underbrace{x^2+2\cdot x\cdot 4+4^2}-4^2-30=0\\\\{}\qquad(x+4)^2\,-\,16-30=0\\\\{}\qquad\ \ (x+4)^2=46\\\\ {}\qquad\ \ x+4=\pm\sqrt{46}\\\\ {}\qquad\ \ x=-4\pm\sqrt{46}$

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2 years ago

A. Write 60,000,000 in words.

Vitek1552 [10]

Answer:

The answer is sixty million.

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