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Gre4nikov [31]
4 years ago
7

Formula for the perimeter of a rectangle P=2a + 2b, for b

Mathematics
2 answers:
bagirrra123 [75]4 years ago
4 0
My answer is: P/2a = 2b
if that's wrong then im sorry I got it by dividing 2a on each side so 2b would be alone
BigorU [14]4 years ago
4 0
Since we have P = 2a + 2b we can do the following to make b the subject of the formula

P = 2a + 2b (Minus 2a from both sides)
P - 2a = 2b (Divide both sides by 2)
( P - 2a )/2 = b
or
( p / 2 ) - a = b
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Clair has 60 yd of fence with which to build a rectangular pig sty. What is the maximum area she can enclose?
inn [45]
Assuming this Fence enclosment will be in the shape of a rectangle we will use the equation used to find the area of a rectangle, b×h=a

Using this formula we then must pick out factors used to create, in which the perimeter will add up to 60

·1,29,1,29 (29)
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·7,23,7,23 (161)
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·9,21,9,21 (189)
·10,20,10,20 (200)
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·15,15,15,15 (225)



using this we can learn<span> that the maximum area that can be exclosed by this is 225, because the 2 perimeter lengths that define this rectangle would be 15 and 15.

</span>b(15)×h(15)=225(a)

therefore, your answer is 225 Units

<span>-I hope this is the answer you are looking for feel free to post your questions here on brainly in the future</span>
6 0
3 years ago
Which values represent solutions to cos
shepuryov [24]

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Step-by-step explanation:

C is the correct solution of to above equation

4 0
3 years ago
Write 19.4 in expanded form
Natali5045456 [20]
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6 0
3 years ago
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ZanzabumX [31]

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Step-by-step explanation:

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4 0
3 years ago
Find the measure of DB (a curvy line is on top of DB btw)
klasskru [66]

Answer:

Arc DB = 146

x = 5

Step-by-step explanation:

Remark

The relationship between the large arc, the small arc and the intersecting angle is

1/2 (large arc - small arc) = intersecting angle.

Givens

Large arc = 25x + 21

Small arc = 96

5x

Solution

1/2*(25x + 21 - 96) = 5x*2            Multiply both sides by 2

25x + 21 - 96 = 10 x                     Combine      

25x - 75 = 10x                             Subtract 25x from both sides

-75 = 10x - 25x

-15x = -75

x = 5

DB = 25x + 21

DB = 25*5 + 21

DB = 125 + 21

DB = 146

Tell me if this is not in the choices.

5 0
3 years ago
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