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Vanyuwa [196]
3 years ago
13

What type of factoring methods will be used to factor this expression completely?

Mathematics
1 answer:
Trava [24]3 years ago
4 0

Answer:

D

Step-by-step explanation:

{2y}^{2}  - 50

2( {y}^{2}  - 25)

2(y + 5)(y - 5)

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A paper weight is in the shape of a square pyramid. The dimensions are shown in the net.
Irina18 [472]

The surface area of the square pyramid net consisting of a square and four triangles is 380 sq. cm

<h3>How to find the surface area of a figure?</h3>

The surface area of a square pyramid is equal to the sum of the ara of the base square and the four triangle.

<h3>Find the area of the square base</h3>

Area of the base = 10cm * 10cm

Base area = 100 sq,cm

Find the area of a triangle

Area of triangle = 0.5 * 10 * 14

Area of a triangle = 70 square cm

Area of 4 triangles = 4(70) = 280 sq.cm

<h3>Determine the surface area</h3>

SA = 100 + 280

SA = 380 sq. cm

Hence the surface area of the square pyramid net consisting of a square and four triangles is 380 sq. cm

Learn more on surface area here: brainly.com/question/16519513

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3 years ago
Ten out of every 32 people
gogolik [260]

Answer:

5%

Step-by-step explanation:

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Answer: 10.5

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Verify trig identity. Show steps and give reason for each step. <br><br> (cosx)(tanx)(cscx)=1
yKpoI14uk [10]
Tan(x) = sin(x) / cos(x)
Csc(x) = 1/ sin(x)

You'll see this better if I use latex.

\frac{cos(x)}{1} * \frac{sin(x)}{cos(x)} *  \frac{1}{sin(x)}

Now just cancel numerators with denominations. They all disappear. The cancelations leave 1 on both the numerator and denominator.
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Answer:

22/25

Step-by-step explanation:

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