Move x to the right side, so we could get y=-3-x.
If you didn't have a calculator, go to https://www.desmos.com/calculator and graph it. The rest is your work.
Answer:
Question?
Is the wording: price of "a" dollars, (in italics)?
If so, the equation would be:
0.8a
Otherwise, if "x" represents the regular price, then the equation would be:
0.8x
Step-by-step explanation:
$10.50
10 Tickets would be $105.00
$105.00 - $10.50 = $94.50 so 9 Tickets would be $94.50
$105.00 + $94.50 = $199.50
$205.00 - $199.50 = $5.50 which isn't enough for another ticket.
10 Tickets + 9 Tickets = 19 Tickets.
Answer:
25 mm^2
Step-by-step explanation:
Because the sides of a square are all equal, that means the length = 5 and the width = 5.
To find the area, you do length * width so for this square it would be 5 * 5 = 25.
Answer:
∠ XYZ ≈ 72.9°
Step-by-step explanation:
Using the tangent ratio in the right triangle
tanXYZ =
=
=
, thus
XYZ =
(
) ≈ 72.9° to 1 dec. place )