Answer: Sample Response:The population of unionid mussels in the Hudson River decreased after zebra mussels were introduced. Zebra mussels, a nonnative species, competed with the unionid mussels for food. The zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. The unionid mussel population decreased due to a lack of food.
Step-by-step explanation:
Answer:
1.) 12x-10
2.)18x+10
Step-by-step explanation:
Answer:
Slope (m) =
ΔY
ΔX
=
1
4
= 0.25
θ =
arctan( ΔY ) + 180°
ΔX
= 194.03624346793°
ΔX = 1 – 5 = -4
ΔY = 2 – 3 = -1
Distance (d) = √ΔX2 + ΔY2 = √17 = 4.1231056256177
Equation of the line:
y = 0.25x + 1.75
or
y =
1 x
4
+ 7
4
When x=0, y = 1.75
When y=0, x = -7
Step-by-step explanation:
g(x) is basically f(x) but flipped or reflected over or the y-axis. We can achieve this effect by negating f(x), or -f(x).
g(x) = -f(x) = -|x|
Part A: 2x-3=5
Part B: Bob the 4 brand new CDs.
Step-by-step explanation:
Given,
Number of CDs Ann has = 5
Number of CDs Bob has = x
Ann has 3 less CDs than twice the number of Bob's CDs.
Number of Ann's CDs = 2x - 3
Part A: Translate the situation into an algebraic equation:
2x-3=5
Part B: For the correct equation, find the value of x (the number of brand new CD'd Bob has).
Dividing both sides by 2;
Bob the 4 brand new CDs.
Keywords: subtraction, division
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