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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. 

You might be interested in
Find the x and y intercepts of the following function.<br> g(x)=x^2-5x-84
Ahat [919]

Answer:

see explanation

Step-by-step explanation:

To find the y- intercept let x = 0 in the function

g(0) = 0 - 0 - 84 = - 84 ← y- intercept

To find the x- intercepts let y = 0, that is

x² - 5x - 84 = 0

To factor the quadratic

Consider the factors of the constant term (- 84) which sum to give the coefficient of the x- term

The factors are - 12 and + 7, since

- 12 × 7 = - 84 and - 12 + 7 = - 5, thus

(x - 12)(x + 7) = 0

Equate each factor to zero and solve for x

x - 12 = 0 ⇒ x = 12

x + 7 = 0 ⇒ x = - 7

x- intercepts are x = - 7 and x = 12

8 0
3 years ago
Acellus
mr_godi [17]

Answer:

120°

Step-by-step explanation:

Sum of angles = (n-2)180°, where n is the number of sides.

This is a hexagon, so n=6.

Sum of angles = (6-2)180° = 720°

Each interior angle = 720°/6 = 120°

7 0
2 years ago
If (x + 1)(x - 3) = 12, then which of the following statements is true?
Alexxandr [17]
X = 5. so you would just plug that in to check your answer
4 0
3 years ago
Alexander and his children went into a grocery store and he bought $6 worth of bananas and peaches. Each banana costs $0.60 and
bonufazy [111]

Answer:

he bought 5 peaches 2 bananas

Step-by-step explanation:

7 0
3 years ago
30tens=what hundreds
pantera1 [17]

the answer is 3 hundreds cuz

4 0
3 years ago
Read 2 more answers
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