4 years ago

Help me plz I need help

Mathematics

1 answer:

sleet_krkn [62]4 years ago

5 0

the equation is

12x+28y=84

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Two sides of a triangle have lengths 6 and 17. Which expression describes the length of the third side?

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3 years ago

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PLEASE HELP :( I Can’t figure it out

Bogdan [553]

Answer:

y=32.0

Step-by-step explanation:

Use the sine ratio;

Recall the mnemonics SOH-CAH-TOA

$\sin y=\frac{Opposite}{Hypotenuse}$

Substitute Opposite =9 and Hypotenuse =17

$\sin y=\frac{9}{17}$

Take sine inverse:

$y=\sin^{-1}(\frac{9}{17})$

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3 years ago

Factor the expression x4 + 6x2 - 7 completely

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Answer:

16x-7

Step-by-step explanation:

4x+12x-7

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3 years ago

What is the measure of JK? A. 35 B. 55° C. 145° D. 125°

Brut [27]

Answer:

125 degrees.

Step-by-step explanation:

L is the midpoint of NK so the arcs NM and Mk are equal.

So MK = 55 degrees and the arcs JN and JK are equal

Therefore

JK =

(360 - 2*55)/2

= (360 - 110) / 2

= 250 /2

= 125 degrees.

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3 years ago