3. The graph below represents the cost, in dollars, for printing T-shirts at the T- Shirt Shoppe
O
$10 per T-shirt
The T-Shirt Shoppe
$5 per T-shirt
IN
12
$50 for 1 T-shirt
ost in dollars
$8 for 90 T-shirts
CLEAR ALL
Number of T-shirts
Which of these best describes the cost for printing T-shirts?
Unanswered
< PREVIOUS
0 1
OR
o
4
5
o
6
7
8
9
10

slope= 1

y-inter slope= 0

x       y

o     0

1       1

2     2

ect.

step-by-step explanation:

the answer is x=45 because i said so

  b:   ∠x = 28.6°, ∠y = 31.2°, ∠z = 120.2°

step-by-step explanation:

this is one of those questions where "test taking skill" is all you need. the only answer that has angles that sum to 180° is the one shown above. the remaining choices do not describe the angles of a triangle.

if you want to do more work than simply adding the offered numbers, you can also check them against the law of sines. it should be true that

  x/sin(x) = y/sin(y) = z/sin(z)

and all of these ratios must be greater than 15, the longest side length.

__

if you want to solve the triangle from scratch, i'd suggest solving for the largest angle using the law of cosines.

  z² = x² +y² -2xy·cos(z)

  z = arccos((x² +y² -z²)/(2xy)) = arccos(-75.11/149.4) = 120.182°

now you can find y from the law of sines

  y = arcsin(y/z·sin(z)) = 31.242°