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Butoxors [25]
3 years ago
11

Which statements accurately describe the graph? Check all that apply. The dependent variable, frequency, is placed on the horizo

ntal axis. The intervals on each axis are evenly spaced. The vertical axis is labeled “wavelength” and uses meters for units. A smooth curve is drawn through the data points. A best-fit line is drawn through the data points.
Mathematics
2 answers:
ahrayia [7]3 years ago
8 0

Answer:

B C D

If yall rap dm me on ig : theyluvtodd

Natasha_Volkova [10]3 years ago
8 0

The answers are

B.The intervals on each axis are evenly spaced.

C.The vertical axis is labeled “wavelength” and uses meters for units.

D. A smooth curve is drawn through the data points.

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HELP!! What is the approximate measure of angle x in the triangle shown?
Alex Ar [27]
<h3>Answer:   D)  130.5 degrees</h3>

=================================================

Work Shown:

c^2 = a^2 + b^2 - 2*a*b*\cos(C)\\\\10^2 = 5^2 + 6^2 - 2*5*6*\cos(x)\\\\100 = 25 + 36 - 60*\cos(x)\\\\100 = 61 - 60*\cos(x)\\\\100 - 61 = - 60*\cos(x)\\\\39 = - 60*\cos(x)\\\\\cos(x) = \frac{39}{-60}\\\\\cos(x) = -0.65\\\\x = \arccos(-0.65)\\\\x \approx 130.5416\\\\x \approx 130.5\\\\

Note: I used the law of cosines. Make sure your calculator is in degree mode.

6 0
3 years ago
The angle of depression from a window 10 m above the ground to a coin on the ground is
snow_tiger [21]

Answer:

37.3 m

Step-by-step explanation:

Let the distance of the coin to the base of the building be represented by x. Applying the required trigonometric function, we have:

Tan θ = \frac{Opposite}{Adjacent}

Tan 15 = \frac{10}{x}

0.2680 = \frac{10}{x}

x = \frac{10}{0.2680}

  = 37.3134

x = 37.3 m

The distance of the coin from the base of the building is 37.3 m.

6 0
3 years ago
Kayden practices the piano 609 minutes in 3 weeks. If t represents the total time he
Vladimir [108]

Answer:

Step-by-step explanation:

5 0
3 years ago
Write a proportion to find how many points x a student needs to score on a test worth 50 points to get a test score of 78%.
olganol [36]
The answer is:  "39 points" .
_______________________________________________________
Explanation:
_______________________________________________________
" x/ 50 = 78/100 " ;   in which "x" equals the number of points needed.

_______________________________________________________

To solve for "x" ; 
_______________________________________________________

Look at the denominators:  50 * (what value?) = 100.

→ "100 ÷ 50 = 2" .

→ So;  "50 * 2 = 100" ; 

So, let us look at the numerators:

x * 2 = 78 ; 

↔  2x = 72 ; 

Divide each side of the equation by "2" ; to isolate "x" on one side of the equation ; and to solve for "x" ;
_____________________________________________
 →  78 ÷ 2 = 39 ;

The answer is:  "39 points" .
_____________________________________________


4 0
3 years ago
32 divided by 3 and one fifth
charle [14.2K]
32 divided by 3 1/5 = 10
3 0
3 years ago
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