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gavmur [86]
3 years ago
5

What are the domain and range of g(x) = -2(x – 10)2 + 12?

Mathematics
1 answer:
disa [49]3 years ago
4 0

Answer:

17

Step-by-step explanation:

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To approximate the length of a marsh, a surveyor walks x=420 meters from point A to point B,then turns 75 degrees and walks 220
marysya [2.9K]

Applying the law of cosine, b² = a² + c² - 2ac(cos B), the length of AC of the marsh, to one decimal place, is: 522.1 meters

<h3>What is the Law of Cosine?</h3>

The Law of Cosine is given as, b² = a² + c² - 2ac(cos B).

From the diagram given, we have the following:

  • B = 180 - 75 = 105°
  • b = AC (length of the marsh)
  • a = 220 m
  • c = 420 m

Plug in the values into the law of cosine formula:

b² = 220² + 420² - 2(220)(420)(cos 105)

b² = 272,629.8

b = √272,629.8

b = 522.1 meters. (Length of AC of the marsh)

Learn more about the law of cosine on:

brainly.com/question/7872492

6 0
2 years ago
Please help this counts as my grade!
yanalaym [24]

Answer:

243

Step-by-step explanation:

Area=Base x Height.

18 x 13.5=243 :)

8 0
3 years ago
Help Me Find The Surface Area and look for the expression to round or closest to or exactly the same.
sveticcg [70]
D! Because 2x4=8 and you would have to do that twice and then 1/2x4x6=12 and you would do that twice and 6x2=12
3 0
4 years ago
3. March deposited money into an account in which interest is compounded quarterly at a rate of 3.3%. How much did he deposit if
Sergio039 [100]

Answer:

 = $ 4344.05

Step-by-step explanation:

Using the formula

A = P (1 +r/n)^nt

Where A is the amount accumulated, P is the principal amount, n is the number of interest periods, t is the time taken in years.

A = $4369.20

r = 0.033

n = 4

t = 21/12

Therefore;

$4369.20 = P ( 1 + 0.033/4)^ (21/12×4)

$4369.20 = P (1.000825)^7

$4369.20 = 1.005789 P

  P = $4369.20/1.005789

   <u>  = $ 4344.05</u>

3 0
4 years ago
Venn diagram of b union b​
Arturiano [62]

Answer:

let b union b be

B={2,4,6,8} and B= {1,2,3,4,5}

then B union B = {1,2,3,4,5,6,8}

Step-by-step explanation:

<em>Venn diagram of b union b is in the attachment </em>

<em>Hope </em><em>it </em><em>is </em><em>helpful</em><em> to</em><em> you</em>

3 0
3 years ago
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