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Dvinal [7]
3 years ago
15

Please please please I need HELP !

Mathematics
1 answer:
Ganezh [65]3 years ago
8 0
Given:

26 meter-long wire cut into two pieces

let x = perimeter of square
     26 -x = perimeter of circle

Use the formulas for the perimeters and areas of the two shapes:

P sq = x = 4s
P ci = 26 - x = 2 * pi * r

A sq = s^2
A ci = pi * r^2

Manipulate the equations to come up with a maximum and minimum function. Equate the function to zero and solve for x, then find the area. 

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A line passes through the point (–2, 7) and has a slope of –5. What is the value of a if the point (a, 2) is also on the line?
never [62]
(x1,y1) = (-2,7)
m = -5
(x,y) = (a,2)

Forming the equation,
(y-y1) = m(x-x1)
y - 7 = -5[x - (-2)]
y - 7 = -5x - 10
y + 5x = -3

Putting the values of (x,y) we get,
2 + 5a = -3
5a = -5
a = -1
8 0
3 years ago
Read 2 more answers
pablos pizza shop made a profit of $495 each day for 12 days. what is the total profit for all 12 days
a_sh-v [17]

Answer:

$5940

Step-by-step explanation:

multiply 495 x 12 = 5940

Pablos pizza gain a profit of $5940 in 12 days.

4 0
2 years ago
a rectangular prism is 11 3/5 meters long and 9 meters wide and 12 1/2 meters high what is the volume in cubic meters of the pri
bazaltina [42]
Volume=legntht imes widht time height
volume=11 and 3/5 times 9 times 12 and 1/2
volue=11 and 6/10 times 9 times 12 and 5/10
volume=11.6 times 9 times 12.5
volume=1305 m^3
8 0
3 years ago
Read 2 more answers
Whats 91 divided by 2605
riadik2000 [5.3K]

Answer: 0.34339622641509433962264150943396

Step-by-step explanation: I basically just divided, but if you wanted the rounded version, it is 0.34

6 0
3 years ago
Read 2 more answers
Help step by step on how to do
Andre45 [30]

Answer:

Okay so you first need to figure out what your variables are in the equation given. It tells you pi is 3.14. on the top of the cylinder it shows that the radius (r) is 2. the height (h) is shown on the cylinder as 4. Now all you have to do is plug in the values for the variables into your calculator. You have (2) times (3.14) times the radius (2) and you square the radius. then you add (2) x (3.14) x (2) x (4). So if you put it in your calculator it would look like this: (2)(3.14)(2)^2+(2)(3.14)(2)(4)=75.36 Your answer is 75.36

6 0
3 years ago
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