If QRST is a rectangle, find the value of x if angle Q is equal to 5x+30

Answers

Answer 1

Answer: A rectangle is a four-sided flat shape where every angle is a right angle (90°).

$QRST = 90^0$

$5x + 30 = 90$

$5x = 60$

$5x = 60 / 5$

$x = 12$

Answer 2

Answer: If QRST is a rectangle then Q = 90°.

Threfore

5x + 30 = 90 |subtract 30 from both sides

5x = 60 |divide both sides by 5

x = 12

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What is B=T-Lc for T

Answers

$B=T-Lc \n \n \boxed{T=B+Lc}$

Just add Lc to both sides

T = B + Lc

Write an equation for a parabola with x-intercepts (-2,0) and (5,0) which passes through the point (4,-12)