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quester [9]
3 years ago
14

Factor By Grouping x^2 -30 +225-y^2

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
3 0
The answer is 2x-6 I think
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Which of the following is not the same as 0.00684 kg? 0.0684 dkg, 6.84 g,684 cg, 6,840 mg
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Your answer is A.0.0684 dkg.

Hope this helps :)
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I need help with #2. Can someone help me please?
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Item 1 Solve for s. s+24=90 −114 −66 66 114
PSYCHO15rus [73]

Answer:

<h2>s = 66</h2>

Step-by-step explanation:

s + 24 = 90               <em>subtract 24 from both sides</em>

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2 years ago
For the following question, find the area of the triangle. give the answer to the nearest tenth. The drawing may not be to scale
Alina [70]

Answer:

Option A

10.5 m²

Step-by-step explanation:

The area of a triangle is half the product of its base by its height.

A = 0.5bh

Where b is the base and h is the height.

In this triangle b = 6.1 m.

The height of this triangle is a line perpendicular to its base that goes to the vertex opposite the base.

We do not know this length. But this line h divides the triangle into two rectangular triangles.

So for these two triangles the angle that is opposite to the height h is: 47 °

Therefore we know that senx is defined as:

senx =\frac{opposite side}{hypotenuse}

Where:

Opposite side = h

hypotenuse = 4.7 m

x = 47

Sin(47) = \frac{h}{4.7}\\\\h = (sin47)(4.7)\\\\h = 3.437

Finally, the area is:

A = 0.5(3.437)(6.1)\\\\A = 10.5m^2

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2 years ago
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iVinArrow [24]

Answer C. 6 hours

Step-by-step explanation:

12/2=6  36/6=6 $6 per hour

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2 years ago
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