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lukranit [14]
2 years ago
6

What is the value of x in the figure below?

Mathematics
2 answers:
Ludmilka [50]2 years ago
7 0
There isn't a figure below.
Dafna11 [192]2 years ago
6 0
There needs to be a picture
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A pool measuring 8 meters by 26 meters is surrounded by a path of uniform​ width, as shown in the figure. If the area of the poo
Ainat [17]
Let the width path be x.
Length of the outer rectangle = 26 + 2x.
Width of the outer rectangle = 8 +2x.

Combined Area = (2x + 26)*(2x + 8) = 1008

2x*(2x + 8) + 26*(2x + 8 ) = 1008

4x² + 16x + 52x + 208 = 1008

4x² + 68x + 208 - 1008 = 0
4x² + 68x - 800 = 0.          Divide through by 4.
x²  + 17x - 200 = 0 . This is a quadratic equation.

Multiply first and last coefficients:  1*-200 = -200

We look for two numbers that multiply to give -200, and add to give +17

Those two numbers are 25 and -8.

Check:   25*-8 = -200         25 + -8 = 17

We replace the middle term of +17x in the quadratic expression with 25x -8x


 x² +17x - 200 = 0     

x² + 25x - 8x - 200 = 0     

x(x + 25) - 8(x + 25) = 0

(x+25)(x -8) = 0

x + 25 = 0    or   x - 8 = 0

x = 0 -25              x = 0 + 8

x = -25                    x = 8

The width of the path can not be negative.

The only valid solution is x = 8.

The width of the path is 8 meters.
8 0
3 years ago
3x + 6 =<br><br> plss help me with this
Y_Kistochka [10]

Answer:

3× + 6

3+6=9

9×3=3

Finish

5 0
3 years ago
Read 2 more answers
Match each expression with an equivalent expression.
jolli1 [7]

1=6x-4x

2= 6x-4

3=6-4x

4=6x-4y

6 0
3 years ago
Explanation and answer please :)
Juli2301 [7.4K]

$20,000 is between $15,000 and $49,999, so we'll use the interest rate of 6.5% (see row 3)

r = 6.5% = 6.5/100 = 0.065

We'll use the decimal form of the interest rate as it is most common for financial math problems.

P = 20,000 is the amount deposited

t = 1 year is the amount of time

We will plug those values into the formula

i = P*r*t

to get the following:

i = P*r*t

i = 20000*0.065*1

i = 1300

So Mark earns $1,300 in simple interest each year.

6 0
3 years ago
Find the length of the diagonal of a square with perimeter 32.
snow_lady [41]

Answer:

i think A. because she is 4/2

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2 years ago
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