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abruzzese [7]
3 years ago
5

Please what is A=pi r squared

Mathematics
1 answer:
spayn [35]3 years ago
8 0

That is the formula of finding the area of a circle.

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Ex 10 a] 8 si 27 in produs de 3 factori egali: b] 16 si 87 in produs de 4 factori egali. Ex 11 Detrmina ordinea efectuarii opera
sukhopar [10]
8=2*2*2

27=3*3*3

16=2*2*2*2
81=3*3*3*3

Restul nu se intelege
7 0
3 years ago
What is the equation of a circle whose radius is 16 units and center is at (2,-5)?
STatiana [176]

Answer:

  • The general equation of the circle is
  • ( {x - a})^{2}  +  ({y - b})^{2}  =  {r}^{2}  \\ therefore \:  we \: \: have \:  \\ ( {x - 2})^{2}  + (y - ( - 5)) {}^{2}  =  ({16})^{2}  \\  ({x - 2})^{2}  + ( {y + 5})^{2}  = 256
  • HOPE THIS HELPS!
8 0
1 year ago
This can be modeled by the equation
raketka [301]
Hcucinoboff gc yackbxtrTvlbcycibov
8 0
3 years ago
……………………………………………..()1!-!/
alina1380 [7]

Answer:

A. a is where performance is minimal

Step-by-step explanation:

b is representing peak performance.

8 0
3 years ago
ALGEBRAIC PROOF!!!! PLS HELP!!! The area of a rectangular blanket is 20 square feet. The blanket's length is (2x + 1) ft and the
Fynjy0 [20]

Answer:

Length: 5 ft; width: 4 ft.

Step-by-step explanation:

A = LW     formula for area of rectangle

(2x + 1)(2x) = 20      substitute length, width, and area into formula

4x² + 2x - 20 = 0      use the distributive property to multiply out left side

2x² + x - 10 = 0         divide both sides of equation by 2

(2x + 5)(x - 2) = 0        factor out trinomial

2x + 5 = 0  or  x - 2 = 0        use zero product rule to solve for x

2x = -5  or x = 2       subtract 5 from both sides; add 2 to both sides

x = -5/2  or  x = 2

We discard x = -5/2 since it would give negative length and width, and the length and width cannot be negative.

Length: 2x + 1 = 2(2) + 1 = 5

Width: 2x = 2(2) = 4

Length: 5 ft; width: 4 ft.

7 0
2 years ago
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