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Gala2k [10]
3 years ago
12

A degree may seem like a very small unit but an error of one degree in measuring an angle may be very significant. For example,

suppose a laser beam directed toward the visible center of the moon misses its assigned target by the amounts specified below. How far is it (in miles) from its assigned target in each case? (Use 234,000 miles as the distance from the surface of the earth to the surface of the moon.)
a: 1 degree
b: 30” (that’s 0 degree 0’ 30”)

Mathematics
1 answer:
djyliett [7]3 years ago
5 0

The answer & explanation for this question is given in the attachment below.

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Need help with linear approximation
Dmitrij [34]
Consider a function f(x), the linear approximation L(x) of f(x) is given by

L(x)=f(a)+(x-a)f'(a)

Given the quantity: \frac{1}{203}

We approximate the quantity using the function f(x)= \frac{1}{x}, where x = 203.

We choose a = 200, thus the linear approximation is given as follows:

L(203)=f(200)+(203-200)f'(200) \\  \\ = \frac{1}{200} - \frac{3}{200^2} = \frac{200-3}{200^2} = \frac{197}{40,000} =0.004925
5 0
3 years ago
Elena is making a grape drink. the recipe calls for 2 parts grape juice concentrate to 6 parts water. elena would like to make 8
SashulF [63]

Answer: 20 oz of juice concentrate and 60 oz of water.


Explanation:


Translate the word statements into algebraic expressions to set a system of equations that you can solve.


1) Name the variables:

  • j: parts of juice concentrate
  • w: parts of water

2) Statement one, 2 parts juice concentrate to 6 parts water, translates into a proportion:

    j / w = 2 / 6


3) Statement two, 80 oz of the drink, tanslates into an equality:

     j + w = 80

4) Solve the system to find how many oz of juice concentrate and water Elena needs:

a) System:

                 j / w = 2 / 6

                 j + w = 80

b) Solve for w in the first equation: w = 6j / 2 = 3j

c) Substitute w in the second equation: j + 3j = 80

d) Combine like terms: 4j = 80

e) Use division property of equality: j = 20

f) Substitue in w = 3j: 3 = 3(20) = 60.


5) Solution: j = 20, w = 60.


6) Verify:

  • j / w = 20 / 60 = 2 / 6 ⇒ right
  • j + w = 20 + 60 = 80 ⇒ right
6 0
3 years ago
Please answer this question only if you know the answer! 35 points and brainliest!
ipn [44]

Answer:

a 36

Step-by-step explanation:

There are 360 degrees in a circle.

If it has rotation order 10, divide 360/10

36

The angle of rotation is 36

3 0
3 years ago
Is the term (x + 2) a factor of the polynomial shown below?
ss7ja [257]
You can even pick an answer without any solution. It's <span>B. Yes, the remainder is 0. When you have something as a factor, there is no othere remainder except 0.</span>
3 0
3 years ago
Evaluate the expression for n = –8.<br><br> –2n − 6 =
Nana76 [90]

Answer:

<h2>10</h2>

Step-by-step explanation:

<h3>-2n - 6 = ?</h3><h3 /><h3>let n be -8</h3><h3 /><h3>-2 (-8) - 6 = ?</h3><h3 /><h3>= 10</h3>

\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}

5 0
3 years ago
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