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MA_775_DIABLO [31]
2 years ago
6

If two angles are supplementary and one angle is 81°, what does the second angle measure?

Mathematics
1 answer:
ankoles [38]2 years ago
8 0

Answer:

Step-by-step explanation:\geq \\ \sqrt{x}

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Y=? What is Y? Please help me!
kumpel [21]
Answer:   y = 6 mi.  .
______________________________________________
Explanation:
______________________________________________
Area of a triangle = (½) * (base) * (height) ;

or,  A = (½) * b * h ;  or,  A = b*h / 2 ;
_____________________________________
Given:  A = 24.3 mi ² ;
           b = 8.1 mi 
___________________
Find the height, "h" ;  (in units of "miles", or , "mi" ).
__________________________
   Plug in the known values into the formula:

24.3 mi ² = (½) * (8.1 mi) *(h) ;
_____________________________
Solve for "h" (height) ;
_____________________________
(½) * (8.1 mi) = 4.05 mi  ;
______________________________
Rewrite: 
____________________________
24.3 mi² = (4.05 mi) *(h) ;  Solve for "h" ;
_________________________________________
 Divide each side of the equation by "(4.05 mi)" ; to isolate "h" on one side of the equation ; and to solve for "h" ; 
__________________________________________
   24.3 mi²  / 4.05 mi  = (4.05 mi) *(h)  / 4.05 mi ;
                                 
              →  6 mi  = h ;  ↔  h = 6 mi. 

              →      h = y = 6 mi. 
____________________________________________
7 0
3 years ago
Read 2 more answers
A cylinder and its dimensions are diameter 8.4 cm and height 10.9 cm. Which measurement is closest to the lateral surface area o
Vanyuwa [196]

Answer:

287.64

Step-by-step explanation:

6 0
3 years ago
Given fx) = 17- x2, what is the average rate of change in f(x) over the interval [1, 5]?
Andrei [34K]

Let [a, b] = the interval

The average rate of change can be found by using [f(b) - f(a)]/(b - a).

Let a = 1 and b = 5.

Let R = rate of change

17- x^2

R = [17 - 5^2] - [17 - 1^2]/(5 - 1)

R = [17 - 25] -[17 - 1]/4

R = [(-8) - (16)]/4

R = (-24)/4

R = -6

Done.

6 0
3 years ago
Read 2 more answers
30 points ! complete the folllowing problems. don't answer if you dont know.
s344n2d4d5 [400]

Answer:

false

Step-by-step explanation:

3×-8=-24

-171+9=-162

so -24 is not equal to-162

3 0
3 years ago
-21+2(3-15)-(-3)(+7)+(-3)(-8)​
Pani-rosa [81]
Simplify the expression

Answer - Zero


Hope this helps

Have a great day!
6 0
3 years ago
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