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Murrr4er [49]
3 years ago
9

SOMEBODY PLEASE HELP!! Find the missing value. Show your work please.

Mathematics
1 answer:
labwork [276]3 years ago
5 0
In triangle b. we know that tan(x) = Opposite side to x angle / Adjacent side to angle x.
By substituting in above formula,
tan(x) = 12/5 = 2.4
x = tan^-1(2.4) = 68 degrees.
And in triangle a. i am not clear with the angle. Is it 51 or any other?
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Tell wether the sequence is arithmetic. If it is identity the common difference. 19,8,-3,-14
irakobra [83]
This is an arithmetic the common difference is 11.
so 19-11 is 8
8-11 is 3 etc...
8 0
3 years ago
Factor:<br> 4tan^2x-(4)/(cotx)+sinx(cscx) ...?
lisov135 [29]
4tan^(2)x-((4)/(cotx))+sinxcscx 


Multiply -1 by the (4)/(cotx) inside the parentheses. 

4tan^(2)x-(4)/(cotx)+sinxcscx 


To add fractions, the denominators must be equal. The denominators can be made equal by finding the least common denominator (LCD). In this case, the LCD is cotx. Next, multiply each fraction by a factor of 1 that will create the LCD in each of the fractions. 


4tan^(2)x*(cotx)/(cotx)-(4)/(cotx)+sin... 


Complete the multiplication to produce a denominator of cotx in each expression. 

(4tan^(2)xcotx)/(cotx)-(4)/(cotx)+(cot... 


Combine the numerators of all expressions that have common denominators. 
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(4tan^(2)xcotx-4+cotxsinxcscx)/(cotx)</span>
8 0
3 years ago
In YOUR own words give a definition of congruent.
svlad2 [7]

Answer:

Identical shapes

Step-by-step explanation:

My own words?

Two or more shapes that are the same.

6 0
3 years ago
The average number of points you scored in the first 9 basketball games of the season was 23. What do you need in the 10th game
Vlada [557]

Answer:

B. 10n-207

Step-by-step explanation:

Given,

The average number of points of 9 games = 23,

∵ Sum of observations = their average × number of observations

So, the total points for 9 games = 9 × 23 = 207,

Now, if the average of 10 games is n,

Then the total points for 10 games = 10n,

Hence, the number of points earned in 10th game = the total points for 10 games - the total points for 9 games

= 10n - 207

i.e. OPTION B is correct.

3 0
3 years ago
Answer this: : : : : : : : : : : : : : : : : : : :
Alenkasestr [34]
A = bh 
1440 = b * 32
1440/32 = 45
1440 = 45 * 32

b = 45
3 0
3 years ago
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