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larisa [96]
3 years ago
5

Please help asap!!!!

Mathematics
1 answer:
Triss [41]3 years ago
5 0

Answer: B

Step-by-step explanation: The answer would be B because you would add n the number and 6 then you would multiply it by 2

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Help me find the answers for number problem 3 please
miv72 [106K]

x + 2y = 5 /* (-1)

3x + 2y = 9

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3x + 2y = 9

add these two equations

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3 years ago
Reflectiion across y=x​
faltersainse [42]

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

The reflection across y=-x swaps the coordinates and negates both of them. The first-quadrant figure becomes a third-quadrant figure.

  (x, y) ⇒ (-y, -x)

7 0
3 years ago
Which expression is equivalent to 5^6
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3 years ago
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Suppose a railroad rail is 3 kilometers and it expands on a hot day by 12 centimeters in length. Approximately how many meters w
inysia [295]
For small angles, x, in radians,
tan(x) ≈ sin(x) = x

Use this to create an approximate diagram for the problem as shown in the figure below.
The actual deflected shape is parabolic, but it is approximated by an isosceles triangle with small equal angles.

The extend length is 3 km + 12 cm, which is 
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Half of the extended length is 1500.06 m

Let h+  the rise of the center of the rail above ground.
From the Pythagorean theorem, obtain
h² + 1500² = 1500.6²
h² = 1500.06² - 1500² = 180.004
h = 13.4 m, which is about 0.9% of the original length.

Answer:  13.4 m

8 0
3 years ago
Wyatt is hiking a trail that is 11/12 miles long. After hiking 1/4 mile, he stops for water. How much farther must he hike to fi
ankoles [38]

Answer:

He had hiked 3/12 of a mile so the answer is 8/12 of a mile

Step-by-step explanation:

You need to make 1/4 into twelves by multiplying both sides by 3 to get 3/12.

You take that and subtract it from the total distance. 11/12 - 3/12 = 8/12

6 0
3 years ago
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