3 years ago

Problema 3

Mathematics

1 answer:

Serjik [45]3 years ago

4 0

espero y te ayude, cualquier cosa escríbeme

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in a xy-coordinate system line 1 has a slope of -3. If the points (2,16 and (5,t) are on line 1, what is the value of t?

Dimas [21]

We can use the formula y2-y1/x2-x1 to find our answer. So, we have : t-16/5-2 = -3. We simplify that to t-16/3 = -3. We can then multiply both sides by 3 to get t-16 = -9. Then we can add 16 to both sides to get t = 7.

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3 years ago

12. On a table there were 16 dimes and quarters. The value of the coins was

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6 quarters and 10 dimes

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3 years ago

Solve the quadratic equation by completing the square x^2+5x-3=0

PIT_PIT [208]

${\tt{x = \frac{ -b± \sqrt{ {b}^{2} - 4ac } }{2a} }}$

${\tt{ x = \frac{ - 5±\sqrt{{5}^{2} - 4 \times 1 \times ( - 3)} }{2 \times 1} }}$

${\tt{x = \frac{ - 5±\sqrt{25 + 12} }{2} }}$

${\tt{x = \frac{ - 5 ±\sqrt{37} }{2} }}$

$\: \:$

${\tt{x = \frac{ - 5 + \sqrt{37} }{2} }}$

${\tt{x = \frac{ - 5 - \sqrt{37} }{2} }}$

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3 years ago

I am stuck on number 6 and 7. It is a two column proof in geometry. Chapter I’m on is isosceles triangle theorems.

ZanzabumX [31]

Answer:On number 6 in the third line it is Given

Step-by-step explanation:

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4 years ago

Please give answer and ill give brainliest, show ACTUAL PROOF

solmaris [256]

Answer:

Step-by-step explanation:

Area of triangle = ½(12)(8) = 48 m²

Area of semicircle = ½π(4²) = 8π

Α = 48 + 8π m² ≈ 73.132741... m²

Not seeing an option that is reasonably close.

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3 years ago