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miss Akunina [59]
3 years ago
8

Please write your answer below !!!

Mathematics
1 answer:
Paladinen [302]3 years ago
6 0
A.) We know, sum of the complimentary angles is equal to 90.
So, Equation: 15 + x = 90

B.) Solving: 15 + x = 90
x = 90 - 15
x = 75

In short, Your Answer would be 75

Hope this helps!
You might be interested in
. If ON = 4x – 6, LM = 3x + 5, NM = x – 4, and OL = 4y – 3, find the values of x and y for which LMNO must be a parallelogram.
Verizon [17]
In a parallelogram, opposite sides are congruent.

This means that
LM = ON
NM = OL

Using the equations, find x and y:
4x - 6 = 3x + 5
4x = 3x + 11
1x = 11
x = 11

x - 4 = 4y - 3
x - 1 = 4y
-1 = 3y
-1/3 = y

The values are:
x = 11
y = -1/3
5 0
3 years ago
Which graph represents f(x)=−2cos(4πx)?
BlackZzzverrR [31]

Answer:

Oh da-mn i got this as the answer:

6 0
3 years ago
Someone please help me, this is dealing with the pythagorean theorem
Stella [2.4K]
14.  x ^2  =  12^2  + 7 ^2  = x = sqrt (12^2 + 7^2) =  sqrt(193)




4 0
3 years ago
Will give brainliest to correct answer.
Kobotan [32]
Note that c is the hypotenuse of the blue triangle, and that the Pyth. Thm. states that (length of one leg)^2 + (length of the other leg)^2 = (hyp)^2.

Therefore, (hyp)^2 = c^2 = [2sqrt(x^2+3x)]^2 + 3^2, or
                                        = 4(x^2+3x) + 9, or
                                        = 4x^2 + 12x + 9  = (2x+3)^2
Taking the sqrt of both sides, c = plus or minus (2x+3).  Eliminate -(2x+3) because the middle term of the square of this would be negative, in conflict with the given +12x.

c=2x+3 is the correct answer.

8 0
3 years ago
Calculus application
Ugo [173]

Answer:

49m/s

59.07 m/s

Step-by-step explanation:

Given that :

Distance (s) = 178 m

Acceleration due to gravity (a) = g(downward) = 9.8m/s²

Velocity (V) after 5 seconds ;

The initial velocity (u) = 0

Using the relation :

v = u + at

Where ; t = Time = 5 seconds ; a = 9.8m/s²

v = 0 + 9.8(5)

v = 0 + 49

V = 49 m/s

Hence, velocity after 5 seconds = 49m/s

b) How fast is the ball traveling when it hits the ground?

V² = u² + 2as

Where s = height = 178m

V² = 0 + 2(9.8)(178)

V² = 0 + 3488.8

V² = 3488.8

V = √3488.8

V = 59.07 m/s

8 0
3 years ago
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