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zzz [600]
2 years ago
13

Write0.0000387 in standard form​

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
7 0

Answer:

3.84 \times  {10}^{ - 5}

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Which pair of angles are vertical angles?
Leokris [45]

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C and D

Step-by-step explanation:

They are both right

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Which of the following could be the equation of the function below? On a coordinate plane, a curve crosses the y-axis at y = 2.
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I believe according to the information provided that the answer would be would be B

Step-by-step explanation:

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An airplane flies 2700 miles in 3 hours and 45 minutes. What is its average speed in miles per hour?
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720 MPH

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3 years ago
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Given: ∆ABC –iso. ∆, m∠BAC = 120°
lidiya [134]

Answer: P\triangle ADH = (a+b+\sqrt{a^2+b^2} ) unit

Step-by-step explanation:

Since Here Δ ABC is a isosceles triangle.

Also, AH\perp BC and HD\perp AC

Thus, ∠ ADH = 90°

That is, Δ ADH is the right angle triangle.

In which, AD = a unit and HD = b unit

And, By the definition of Pythagoras theorem,

AH^2 = HD^2 + AD^2

⇒ AH^2 = a^2 +b^2

⇒ AH = \sqrt{a^2+b^2}

Since, the perimeter of a triangle = sum of the all sides of the triangle.

Therefore, perimeter of ΔADH = AD + DH + AH

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4 0
3 years ago
7x+3x+3=4x+6 what is x
vovikov84 [41]

Answer:

x = 1/2

Step-by-step explanation:

<em>Simplify the sides of the equation...</em>

<em>10x + 3 = 4x + 6</em>

<em>Subtract 3 from both sides...</em>

<em>10x = 4x + 3</em>

<em>Subtract 4x from both sides...</em>

<em>6x = 3</em>

<em>Divide by 6</em>

<em>x = 1/2</em>

<em />

<em>Thank me later :)</em>

<em>(or just give brainliest)</em>

<em />

7 0
3 years ago
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