An Advertisement says that 9 tenths of dentists recommended using a certain brand of toothpaste. the equation below shows that the same fraction of a group of 400 dentists recommended using the brand of toothpaste. How many of the 400 dentists recommended the brand of toothpaste?

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

for future students the answer is b

hope i

-lavira: )

oof. u are asking for t much

monitors suck a question

step-by-step explanation: