Y varies as x
y=kx
y=12 when x=4
12=k4
divide 4
3=k
y=3x is equation
answer is B
Answer:
see below
Step-by-step explanation:
(a) the graph is symmetrical about the horizontal axis. It has a maximum value of r = 3 at θ = π.
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(b) The graph is symmetrical about both the horizontal and the vertical axis. It has a maximum value of r = 1 at θ = 0 and θ = π. (Note this curve has subtle differences from the inner loop of the above curve.)
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<em>About how</em>
As with any graphing problem, when doing it by hand, one chooses enough points to give the general shape of the curve. In some cases, quite a few points may be required. It is often helpful to use a spreadsheet for calculating the point values. Here, we've graphed the equations using "technology"--a graphing calculator.
Answer:
Step-by-step explanation:
Given : For each sandwich:
Quantity of meat used = 4 ounces
Quantity of cheese used = 3 ounces
The combined ounces of meat and cheese are used on each sandwich =
Quantity of meat used + Quantity of cheese used
= 4 ounces + 3 ounces
= 7 ounces
Hence, The combined ounces of meat and cheese are used on each sandwich = 7 ounces
Answer:
Rounded to the nearest tenth it's 4.2
Step-by-step explanation:
Solving the inequality
we get 
Step-by-step explanation:
We need to find the value of x from the inequality 
Solving:

Subtract 8 on both sides:


Divide both sides by (-1). For doing this the sign of inequality is reversed i.e, > is changed into <

So, Solving the inequality
we get 
Keywords: Solving inequalities
Learn more about Solving inequalities at:
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