Answer:
A x = 13.00
Step-by-step explanation:
5.15x + 6 = 72.94
5.15x = 66.94
x = 12.998
The foci of the hyperbola with equation 5y^2-4x^2=20 will be given as follows:
divide each term by 20
(5y^2)/20-(4x^2)/20=20/20
simplifying gives us:
y^2/4-x^2/5=1
This follows the standard form of the hyperbola
(y-k)²/a²-(x-h)²/b²=1
thus
a=2, b=√5 , k=0, h=0
Next we find c, the distance from the center to a focus.
√(a²+b²)
=√(2²+(√5)²)
=√(4+5)
=√9
=3
the focus of the hyperbola is found using formula:
(h.h+k)
substituting our values we get:
(0,3)
The second focus of the hyperbola can be found by subtracting c from k
(h,k-c)
substituting our values we obtain:
(0,-3)
Thus we have two foci
(0,3) and (0,-3)
Answer:
22
Explanation:
The radius of a circle is exactly half the length of the diameter. Thus, to find the diameter when given the radius, multiply the radius's length by
2
.
2
r
=
d
2
×
11
=
d
22
=
d
Hope this helps.
Answer:
120 different combinations
Step-by-step explanation:
How complicate do you want it be? consider or not consider the repeat of topping or the order of toppings.
If not consider the order of topping and the topping can't be repeated than
C(₁₀ , ₃) = (10 x 9 x 8) / (3 x 2 x 1) = 120
Step-by-step explanation:
75+54
129°
the answer is 129°
