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Westkost [7]
3 years ago
5

2447457.62712 into standard form

Mathematics
1 answer:
UNO [17]3 years ago
4 0

Answer:

2447457.62712 is the standard form.

Step-by-step explanation:

Standard form is a way of writing down very large or very small numbers easily. 103 = 1000, so 4 × 103 = 4000 . So 4000 can be written as 4 × 10³ . This idea can be used to write even larger numbers down easily in standard form. Small numbers can also be written in standard form.

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To aid in sea navigation, Little Gull Island Lighthouse shines a light from a height of 91 feet above sea level with an unknown
algol13

Answer:

\approx 6^\circ

Step-by-step explanation:

Given that:

Little Gull Island Lighthouse shines a light from a height of 91 feet above the sea level.

The angle of depression is unknown.

Distance of the point at sea surface from the base of lighthouse is 865 ft.

This situation can be modeled or can be represented as the figure attached in  the answer area.

The situation can be represented by a right angled \triangle ABC in which we are given the base and the height of the triangle.

And we have to find the value of \angle BAD \ or \ \angle C (Because they are the internal vertically opposite angles).

Using tangent ratio:

tan\theta = \dfrac{Perpendicular}{Base}

tanC = \dfrac{AC}{BC}\\\Rightarrow tanC = \dfrac{91}{865}\\\Rightarrow tanC = 0.105\\\Rightarrow \angle C \approx 6^\circ

Therefore, the angle of depression is: \approx 6^\circ

7 0
3 years ago
Plz answer if you know it....
kap26 [50]

Sales tax is charged on the subtotal (amount before tax).

First, find the subtotal by adding up all of the amounts.

4(675) + 2(110) + 5(41) + 6(135) + 230(2.50)

2700 + 220 + 205 + 810 + 575

Total = 4510

Next, we need to find 7% of 4510. That number is the sales tax.

0.07 x 4510 = 315.70

Sales Tax = $315.70

Total Amount (with tax) = $4825.70

Hope this helps!! :)

7 0
3 years ago
Which linear function show a direct variation
xz_007 [3.2K]

Answer:

it should be answer choice c but im not positive

Step-by-step explanation:

6 0
3 years ago
Ramon says that he needs the same amount of two different ingredients is he correct support your answer with information from th
ludmilkaskok [199]

Answer:

Yes cup parsley and cup scallions

Step-by-step explanation:

Well 3/4 is equivalent to 6/8 because 3 times 2 equals 6 and 4 times 2 equals 8. Which gives you 6/8.

3 0
4 years ago
Read 2 more answers
Show that solving the equation 3^2x=4 by taking common logarithms of both sides is equivalent to solving it by taking logarithms
Sophie [7]

Answer:

Step-by-step explanation:

Case I:  use common logs:

 2x log 3 = log 4, or 2x(0.47712) = 0.60206

 Solving for x, we get 0.95424x = 0.60206, and then x = 0.60206/0.95424.

 x is then x = 0.631

Case II:  use logs to the base 3:

 2x (log to the base 3 of 3) = (log to the base 3 of 4)

 This simplifies to 2x(1) = 2x = (log 4)/log 3 = 1.262.  Finally, we divide this

 result by 2, obtaining x = 0.631

5 0
3 years ago
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