Answer:
Total number of bracelets Brianna have are 12 .
Step-by-step explanation:
Let us assume that the total numbers of the bracelets be x .
As given
Brianna has 4 pink bracelets.
One third of all her bracelets are pink .
Than the equation becomes

Simplify the above
x = 4 × 3
x = 12
Therefore the total number of bracelets Brianna have are 12 .
Answer:
? we dint know
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
2(18)=36
because the angles are equal
Answer:
15 % profit
Step-by-step explanation:
CP = SP - profit
= 115 - 15
= 100
Profit% = Profit / CP × 100
= 15 / 100 × 100
= 15%
Answer: About 99.7% of sixth-grade students will have
heights between <u>51.1</u> inches and <u>64.9</u> inches.
Step-by-step explanation:
According to the empirical rule, 99.7% of data falls within the three standard deviations from the mean.
Given : Mean: 
Standard deviation:= 
Then, the 99.7% of sixth-grade students will have heights between
inches and
inches
i.e.
inches and
inches
i.e. 51.1 inches and 64.9 inches.