Answer: 1304
Step-by-step explanation:
Fraction of the boys = 3/7
Fraction of the girls = 1 - 3/7 = 4/7
Number of students = 2282
The number of girls will be:
= Fraction of girls × Total number if students
= 4/7 × 2282
= 1304
There are 1304 girls
Answer:
I learned about this but don't remember how to do this!!! Sorry
Step-by-step explanation:
Answer:
2.35 yards/second or 7.07 ft/second
Step-by-step explanation:
The distance to be covered is 55 yards.
The casting cools at the rate of
and the temperature must not be allowed to cool more than
.
We know that, 
By the time, the temperature reaches
, it will take about,
, so it will take about 23.33 seconds.
Also, 55 yards = 
So the minimum speed that conveyor must move is,

Hence, the speed of conveyor is 7.07 feet per second.
Answer:
F(5)
Step-by-step explanation:
its right very sorry if its late
Answer:
B
Step-by-step explanation:
-4+4=0
If the temperature starts at -4 four and increases by 4, the temperature will be 0.