Find x in this 45°-45°-90° triangle. x = 4.5√2 9 18

x = 9

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin45° = , then

sin45° = = = ( cross- multiply )

x × = 9 ( divide both sides by )

x = 9

16

step-by-step explanation:

2 x 40 = 80

80/5

= 16

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.