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aksik [14]
3 years ago
8

Mackenzie needs to determine whether the rectangles are proportional. Which process could she use? Check all that apply.

Mathematics
2 answers:
grandymaker [24]3 years ago
8 0

Answer: which answers do they give so I can see if they apply?

Step-by-step explanation:

Anastaziya [24]3 years ago
3 0

Answer:Sorry not picture

Step-by-step explanation:There is nothing to see

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Will someone help me with this
Marina CMI [18]

hope this helps :)

.........

3 0
1 year ago
Suppose total benefits and total costs are given by b(y) = 100y − 8y2 and c(y) = 10y2. what is the maximum level of net benefits
olga nikolaevna [1]
Whenever you face the problem that deals with maxima or minima you should keep in mind that minima/maxima of a function is always a point where it's derivative is equal to zero.
To solve your problem we first need to find an equation of net benefits. Net benefits are expressed as a difference between total benefits and total cost. We can denote this function with B(y).

B(y)=b-c
B(y)=100y-18y²

Now that we have a net benefits function we need find it's derivate with respect to y.

\frac{dB(y)}{dy} =100-36y

Now we must find at which point this function is equal to zero.

0=100-36y
36y=100
y=2.8

Now that we know at which point our function reaches maxima we just plug that number back into our equation for net benefits and we get our answer.

B(2.8)=100(2.8)-18(2.8)²=138.88≈139.

One thing that always helps is to have your function graphed. It will give you a good insight into how your function behaves and allow you to identify minima/maxima points.


3 0
2 years ago
1. In the figure, m DE = 106 degrees and m BC = 62 degrees. The diagram is not to scale.
k0ka [10]
For question 1, the formula for that is m1= 1/2(a-b). 106 being A and 62 being B. You should get m1=.5*(106-62) which equals B.22
8 0
2 years ago
5. Ana's age is twice the age of Lorna. If the sum of their ages is no more than 72, find the age of
ExtremeBDS [4]

Answer:

Ana:48

Lorna:24

Together they are a total of 72 yrs old

4 0
3 years ago
Read 2 more answers
What value of A in this equation y=(9A-7)x would give a line with the slope -5?
Rainbow [258]

0, I put y=(0-7)x into a graphing calculator

5 0
3 years ago
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