3 years ago

A side of the triangle below has been extended to form an exterior angle of the angles of 155°. Find the value of x.

Mathematics

1 answer:

pantera1 [17]3 years ago

3 0

Answer:

45 degrees

Step-by-step explanation:

The angle directly down from the 45 degrees angle that the problem gives, is 90 degrees. 45 + 90 equals 135 and all triangles add up to 180 degrees. To find x take 180 - 135. Or 45.

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If the vault of y varies directly with x and y =-8 when x=4 find y when x =-4

Aloiza [94]

Solution;

$\begin{gathered} y\propto x \\ y=kx \end{gathered}$ $\begin{gathered} When\text{ y=-8 and x=4;} \\ -8=4k \\ k=-\frac{8}{4}=-2 \end{gathered}$ $\begin{gathered} When\text{ x=-4, y=?} \\ y=-2(-4) \\ y=8 \end{gathered}$

Answer;

y=8

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1 year ago

A. A game uses spinner A below. If a player spins a 1, he or she wins

rjkz [21]

Answer:

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Step-by-step explanation:

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3 years ago