Answer:
45
Step-by-step explanation:
Every Triangle has 180 degrees.
x + 8x + 3x = 180
12x = 180
x = 180/12
x = 15
Angle K = 3x
K = 3 * 15
K = 45
I can answer only 1st coz I have no idea about 2nd problem..
Here Hypotenuse is 5

a =x
b =4
c = 5
5 square =x square +4 square..
25 =x square+16
25 -16 =x square
9 =x square..
√9 = x
3 = x..
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Answer:
11340
Step-by-step explanation:
We have 10 cheerleaders of ten different heights. There are two rows each having 5 positions so that five cheerleaders occupy the first row that have height less than the five cheerleaders who occupied the second row.
Therefore, Out of ten cheerleaders, two cheerleaders will be selected out of which the tallest one will occupy the position in the upper row and the second one will occupy in the lower row, therefore these two positions will be occupied in
ways. Now, we are left with 8 cheerleaders and following the same path, the next two positions will also be occupied in
ways, similarly, following the same path, the number of ways the cheerleaders will occupy the position will be:
×
×
×
×
=11340
Given.
(1)
(2)
Re-arrange equation (2)




Multiply equation (2) by -1

(3)
Combine like terms and solve.


Divide by (2y) and solve for (y).


Substitute (y) for equation (1).



Add (8) to both sides.


Divide by (3).


Check your work.








Your answers is
and 
Answer: Small box: $13; Large box: $16
Step-by-step explanation: