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Digiron [165]
3 years ago
15

How do I solve this??

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

Answer

The answer is 51

Step-by-step explanation:

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Simplify.<br> c) <img src="https://tex.z-dn.net/?f=%5Csqrt%7B25%2B10%5Csqrt%7B5%7D%20%2B5%20%7D" id="TexFormula1" title="\sqrt{2
tatyana61 [14]

Answer:

  • 5+\sqrt{5}

Step-by-step explanation:

Both are essentially same questions, considering 30 = 25 + 5.

<u>Solving c)</u>

  • \sqrt{25+10\sqrt{5} +5} =
  • \sqrt{5^2+2*5*\sqrt{5} +(\sqrt{5} )^2} =
  • \sqrt{(5+\sqrt{5} )^2} =
  • 5+\sqrt{5}
8 0
3 years ago
Read 2 more answers
Jacques built a house that measured 75 feet long by 30 feet wide.
Sergio039 [100]
The area is 2250 square feet.
4 0
3 years ago
A 60 by 80-foot rectangular walk in a park surrounds a flower bed. If the walk is of uniform width and its area is equal to the
alekssr [168]

Answer: 17.14 ft

<u>Step-by-step explanation:</u>

The area of the flower bed is 60 ft x 80 ft = 4800 ft²

The perimeter of the sidewalk that surrounds the flower bed is:

  •   2(60 ft) + 2(80 ft)
  • = 120 ft + 160 ft
  • = 280 ft

The area of the sidewalk is:

  • perimeter x width
  • = 280w

area of sidewalk = area of flower bed

280w = 4800

\text{w}=\dfrac{4800}{280}

  =\dfrac{120}{7}

  ≈ 17.14


8 0
3 years ago
Which line segment is a chord of J in the diagram below?
masha68 [24]
B 

a chord is a line that doesnt touch the center of the circle basically
5 0
3 years ago
Please help me with expansion and factorization of quadratic expressions.<br> a) -4x^2 + 2x^2
Flura [38]

Answer:-2x^2(2-1)

Step-by-step explanation:

-4x^2 + 2x^2=-2x^2(2 - 1)

8 0
4 years ago
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