Hi! My question is.. What is the value of x?

A. 20
B. 40
C. 45
D. 85

Thank you.
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B. 40

Step-by-step explanation:

We know that the large angle is 90 degrees as it is a right angle. Thus, (I don't know how to include degree symbols). We solve: , so then . Thus, x is forty degrees and the answer is B.

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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answer: check all that apply, where the options?

step-by-step explanation: