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pychu [463]
3 years ago
9

Euclid Park is shaped like a square, with side length s, and has an area of 121 square kilometers. This equation shows the area

of the park.
= 121
What is the perimeter of the park?
A. 11 km
B. 22 km
C. 44 km
D. 121 km
Mathematics
1 answer:
Harrizon [31]3 years ago
3 0

Answer:

Step-by-step explanat:44

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Write a real-world problem that is solved by an equation and then solve (show work).
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A company is selling books. It has to pay $500 to start printing the books, and once they have done that, the books sell at $14.99 each. How many books must they sell to make a profit?

First we would model an equation. X will be the amount of books sold, and Y will be profits (in dollars obv). They had to pay $500 before they could start selling, so we must account for that too.

This equation would be y=14.99x-500 because for every book sold, X increases by 1, increasing Y by 14.99

The answer would be 34 books sold in order to turn a profit. (500/14.99=
6 0
3 years ago
Solve the system of linear equations below.
uysha [10]

Answer:

x=−7/39 and y=14/39 :))

3 0
3 years ago
How do i do 3 part a ?
WINSTONCH [101]


In general the binomial expansion is


(a+b)^n = {n \choose 0} a^0 b^n + {n \choose 1} a^1 b^{n-1} + {n \choose 2} a^2 b^{n-2} + ... + {n \choose n} a^n b^0


So in our case, because we want ascending powers of x we'll write,


(-3x + 1)^{11} =  {11 \choose 0} (-3x)^0 1^{11} + {11 \choose 1} (-3x)^{1} 1^{10} + {11 \choose 2} (-3x)^{2} 1^9  + {11 \choose 3 } (-3x)^3 1^8 + ...


We need to calculate the binomial coefficients:


{11 \choose 0}  = 1


{11 \choose 1}  = 11


{11 \choose 2}  = \dfrac{11 \times 10}{2} = 55


{11 \choose 3}  = \dfrac{11 \times 10 \times 9}{3 \times 2} = 165


(-3x+1)^{11} =  1 (-3x)^0 1^{11}  + 11(-3x)^{1} 1^{10}  + 55 (-3x)^2 1^{9}  + 165 (-3x)^3 1^8 + ...


(1-3x)^{11} =  1 -33 x + 495 3x^2 - 4455 x^3+ ...



6 0
3 years ago
James is building a deck for a client and has several pieces of wood he wants to use. The sizes of the pieces of wood are 1.5m,
TiliK225 [7]

Answer:

Total = 9.65m

Step-by-step explanation:

Given

Pieces: 1.5m, 2500mm, 850mm, 4.8m

 

Required

The total length in metres (this completes the question)

The total length is:

Total = 1.5m + 2500mm + 850mm + 4.8m

Convert mm to m

Total = 1.5m + 2500*0.001m + 850*0.001m + 4.8m

Total = 1.5m + 2.5m + 0.85m + 4.8m

Total = 9.65m

<em>The total length of the wood is 9.65 metres</em>

4 0
3 years ago
Find the value of x in the given
qwelly [4]

Answer:

x=8

Step-by-step explanation:

3 0
3 years ago
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