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svetoff [14.1K]
2 years ago
13

How many millimeters are equal to one kilometer. Show your work

Mathematics
1 answer:
Dafna11 [192]2 years ago
7 0

Answer:

1,000,000

Step-by-step explanation:

1mm=1e-6km

10mm=1e-5km

100mm=1e-4km

1000mm=000.1km

10000mm=0.01km

100000mm=0.1km

500000mm=0.5km

1000000mm=1km

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Evaluate and simplify (-2)^4/(3^2+2^2)^2
LenaWriter [7]

Answer: 16/169

Step-by-step explanation:

1. Evaluate the power

  • 16/(x^2+2^2)^2
  • 16/(9+2^2)^2
  • 16/(9+4)^2

2. Add the numbers

  • 16/13^2

3. Evaluate the power

  • 16/169

4. Solution, 16/169

4 0
3 years ago
What's the answer ?????
Ganezh [65]
He made an error in step 3

-32 + 4 = -28
3 0
3 years ago
The diagonals of a rectangle enclose an angle of measure 78 degree
katrin2010 [14]

The area of the rectangle with a perimeter of 36 cm is determined as: 80.1  cm².

<h3>What is the Area of a Rectangle?</h3>

Area of a rectangle = (length)(width).

<h3>Given the following:</h3>

Angle of measure 78 degree enclosed by the diagonals of the rectangle

Perimeter = 36 cm

To find the area, we need to find the length and width of the rectangle using the trigonometric ratios.

A side of the rectangle = x cm

The other side = (36 - 2x)/2  = (18 - x) cm

Angle of the diagonal base = (180 - 78)/2 = 51°

Apply the tangent ratio to find x:

Tangent ratio is tan ∅ = opposite/adjacent side of a right triangle. We have the following,

∅ = 51°

Opposite side = x cm

Adjacent side = (18 - x) cm

Tan 51°  =  x/(18 - x)

1.235 = x/(18 - x)

1.235(18 - x) = x

22.23 - 1.235x = x

22.23 = x + 1.235x

22.23 = 2.235x

22.23/2.235 = 2.235x/2.235

x = 9.946 cm (one side length)

The other side length = 18 - x = 18 - 9.946 = 8.054 cm

Area of the rectangle = (9.946)(8.054)

Area of the rectangle = 80.1  cm²

Learn more about the area of rectangle on:

brainly.com/question/25292087

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3 0
1 year ago
HELP ME OUT PLEASE!!​
melisa1 [442]

Answer:

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Step-by-step explanation:

THY ANSWER FOR THY QUESTION IS THY 2ND

5 0
2 years ago
Read 2 more answers
How many hours of digging does it take for the depth of the hole to reach -28 feet
kirill [66]
Digging -28 would take 16 hours because 14 times 2 equals 28 and 8 times 2 equals 16 so answer is 16
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3 years ago
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