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Effectus [21]
2 years ago
7

Please help anyone???

Mathematics
1 answer:
lianna [129]2 years ago
3 0

Answer:

i think bca would be the same

Step-by-step explanation:

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Which best describes howbto solve this eqation for x? X/c=d
harkovskaia [24]
Multiply both sides by c

X = d*c
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3 years ago
Kimora wants to put ribbon around her SQUARE picture frame. One side is 7 inches long. How much ribbon will she need? (hint: aro
denis23 [38]
Answer is 28 inches.

A square has equal sides and to find the perimeter, you add all the sides.

7 x 4 = 28
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3 years ago
983,576,091 what is the value of the 8
Brilliant_brown [7]
It's value is 80 million
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Which expression can be used to find the surface area of the following square pyramid
mariarad [96]

Answer:

a. 36+15+15+15+15

Step-by-step explanation:

The base of the pyramid is a square. We know that all sides of a square are equal so if we multiply the two sides of the base square(6*6) we get 36.

The area of a triangle can be found with the formula (b*h)/2. If we input the given values of 5 and 6 into our equation, then (5*6)/2 is 15 and since there are 4 triangles in the square pyramid, you multiply 15 by 4 (or add 15+15+15+15), and add the 36 from the base square.

Hope this helps :)

5 0
3 years ago
Read 2 more answers
The Length of a rectangle exceeds its breadth by 9 cm. if length and breadth are each increased by 3 cm, the area of new rectang
gizmo_the_mogwai [7]

Answer:

Breadth = 8 cm

Length = 17 cm

Step-by-step explanation:

Given rectangle:

Breadth = x cm

Length = x + 9 cm

Area = length * breadth

        = x * (x + 9)

       = x² + 9x

Rectangle with length and breadth increased:

Breadth = x + 3 cm

Length = x + 9 + 3 = x + 12 cm

Area = 84 + (x² + 9x) cm²

(x +3) * (x +12) = 84 + x² +  9x

Use FOIL method

x*x  + x*12 + 3*x + 3*12 = 84 + x² + 9x

      x² + 12x + 3x + 36  = 84 + x² + 9x  {add the like terms}

             x² + 15x  + 36  = 84 + x² + 9x

x² + 15x + 36 - 84 - x² - 9x = 0

      6x - 48 = 0

             6x = 48

             x = 48/6

        x = 8

Breadth = x = 8 cm

Length = x + 9 = 8 +9 = 17 cm

7 0
3 years ago
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