Answer:
B. Stratified random sample is the correct answer
Option D, 63 cm
Explanation:
The scale of model is of local park is
This means that each dimension of the model is 21 times smaller than the actual park (to be developed in future)
Given -
Depth of the pond centi meter
Depth of the real pond will be 21 times of the depth of the model.
Thus , real pond's depth is equal to
cm
Hence, option D is correct
Answer:
The solution of given equation is x = -4
Step-by-step explanation:
We are given the following in the question:
Let x be the variable such that
Relation:
The quotient of a number and 4 is negative 1
We can write the equation as:
Solution:
Thus, the solution of given equation is x = -4
Answer:
x = -3/2y + 3
Step-by-step explanation:
2x + 3y = 6
2x = -3y + 6
x = -3/2y + 3