I hope this helps you
x.(x+4)=60
60=6.10
x=6 x+4=6+4=10
Answer:
45.413 cm³
Step-by-step explanation:
Because the volume of a orament is 57 cm³ . The volume of twenty-seven oraments is 1242 cm³ . The volume of a cube is 46656 cm³
⇒The empty space is :
46656-1242=45414 ( cm³)
So the empty space is 45414 cm³
The sampling technique used when A scientist chooses twenty people at random from each class is stratified sampling.
<h3>What is
stratified sampling?</h3>
Stratified sampling can be described as the type of sampling method whereby the total population is been divided into smaller groups or strata.
This usually done to complete the sampling process, hence The sampling technique used when A scientist chooses twenty people at random from each class is stratified sampling.
Read more on the stratified sampling here:
brainly.com/question/1954758
#SPJ1
=> 8+x = 15 => x = 15-8=7
