Step-by-step explanation:
Number of students who wore a hat
= 4/7 * Number of students who bought a ticket
= 4/7 * 350 students
= 200 students.
Number of students not wearing a hat
= Number of students who bought a ticket - Number of students who wore a hat
= 350 students - 200 students
= 150 students.
Answer:
2
Step-by-step explanation:
2-7 Is equal to -5
Let's talk about the choices
◯ ∠4 and ∠5 . . . . . . . . these are complementary angles whose sum is 90°
◯ ∠7 and ∠9 . . . . . . . . these are vertical angles, equal to each other
◯ ∠2 and ∠3 . . . . . . . . these are supplementary angles that together form a straight line. They are a linear pair.
◯ ∠1 and ∠2 . . . . . . . . these are "adjacent" angles in the quadrilateral that also includes ∠9 and ∠10.
The appropriate choice is ...
◉ ∠2 and ∠3
Answer:
a) 
grams
b) 
grams
c) 
decigrams
d) 
milligrams
Step-by-step explanation:
a)
To convert centigrams to grams you have to divide by 100.
centigrams = 
grams
= grams
b)
To convert milligrams to grams you have to divide by 1000.
milligrams = 
grams
= grams
c)
To convert grams to decigrams you have to multiply by 10.
grams = 
decigrams
= decigrams
d)
To convert grams to milligrams you have to multiply by 1000.
grams = 
milligrams
= milligrams
