3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5.
1 answer:
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An average can be calculated by the quotient of the sum of all terms and the number of terms. In this instance, there are 4 pairs of shoes with three given values. Let's say x is the price of the fourth pair of shoes.
Clear the fraction by multiplying both sides of the equation by 4.
Answer:
Step-by-step explanation:
Given
Points = More than 80
Required [Missing from the question]
Represent as an inequality
Let p represents the number of points.
More than means greater than i.e. >
Hence, more than 80 is represented as;
Z
Z=kX
When x=6, z=18,
Finding value of z,
18=k*6
k=3
Z=3X
when x=10,
Z=3*10
Z=30
Part B;
Z
z=
Where x is a constant of proportionality,
when x=3, z=2
2=
a=3*2
a=6
When x is 13,
Z=
Z=kX
When x=6, z=18,
Finding value of z,
18=k*6
k=3
Z=3X
when x=10,
Z=3*10
Z=30
Part B;
Z
z=
Where x is a constant of proportionality,
when x=3, z=2
2=
a=3*2
a=6
When x is 13,
Z=