Answer:
step 3 addition: 20 + 9 = 29
step 4 subtraction: 29 - 2 = 27
solution 27
Step-by-step explanation:
since there's no more multiplication or division, you add and subtract from left to right
Answer:The data for the group that did not study are more spread out than the data for the group that studied.
The data for the group that studied are more clustered around the mean than the data for the group that did not study.
The data for the group that did not study are more clustered around the mean than the data for the group that did study.
Step-by-step explanation:
Is this part of a question or is this the question if so include the whole question so we can have a better understanding of what you need help with
Answer:
25
Step-by-step explanation:
y = 20x
The graph passes through the origin , hence is of form
y = mx ( m is the slope )
to calculate m use the gradient formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁) = (2, 40) and (x₂, y₂) = (4, 80) ← 2 points on the graph
m = 
= 
= 20
y = 20x
