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Digiron [165]
3 years ago
7

Demarcus and Devon were working on this problem:

Mathematics
1 answer:
mafiozo [28]3 years ago
4 0

Answer:

Demarcus is right the phone will cost $345

Step-by-step explanation:

15% of 300 = 45

300+45=345

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Solve the following for the specified variable<br><br> Z=s/2(P+p); for P
lapo4ka [179]

Answer:

\boxed{\sf P = \frac{2Z}{s} - p}

Step-by-step explanation:

\sf Solve \ for \ P: \\ \sf \implies  Z = \frac{s}{2} (P + p) \\ \\ \sf Z = \frac{s}{2} (P + p) \ is \ equivalent \ to \ \frac{s}{2} (P + p) = Z: \\ \sf \implies \frac{s}{2} (P + p) = Z \\ \\  \sf Divide \ both \ sides \ by \ \frac{s}{2} : \\ \sf \implies P + p = \frac{2Z}{s} \\ \\ \sf Substrate \ p \ from \ both \ sides: \\ \sf \implies P = \frac{2Z}{s} - p

6 0
3 years ago
What are the domain and range of the function below? domain: (-40)
Mumz [18]

range{-2,00)

Step-by-step explanation:

6 0
3 years ago
Anyone know the answer?
Inessa05 [86]
The answer appears to be choice 3 because it resembles an exponential function.
But I might be wrong.

Hope this helps :)


~ Your Cookie Monster
3 0
4 years ago
Read 2 more answers
Which of the following is always true about lines of symmetry?
madam [21]
What are the answers being provided ?
4 0
3 years ago
If you know the area of a rectangle can you predict its perimeter? Explain
Anuta_ua [19.1K]

No.  The area doesn't tell you the dimensions, and you need
the dimensions if you want the perimeter.

If you know the area, you only know the <em><u>product</u></em> of the length and width,
but you don't know what either of them is.

In fact, you can draw an infinite number of <em><u>different</u></em> rectangles
that all have the <em>same</em> area but <em><u>different</u></em> perimeters.

Here.  Look at this.
I tell you that a rectangle's area is 256.  What is its perimeter ?

-- If the rectangle is 16 by 16, then its perimeter is 64 .
-- If the rectangle is 8 by 32, then its perimeter is 80 .
-- If the rectangle is 4 by 64, then its perimeter is 136 .
-- If the rectangle is 2 by 128, then its perimeter is 260 .
-- If the rectangle is 1 by 256, then its perimeter is 514 .
-- If the rectangle is 0.01 by 25,600 then its perimeter is 51,200.02


6 0
4 years ago
Read 2 more answers
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