The denominators of the fractions are 2 and 10.
<h3>The fractions with numerators of 1 that have sum of 3 / 5 is calculated below</h3>
The sum of the fractions are 3 / 5. Each of the fractions have a numerator of 1. Therefore, let the denominators be x and y
Therefore,
1 / x + 1 / y = 3 / 5
y + x / xy = 3 / 5
cross multiply
5y + 5x = 3xy
Using hit and trial method,
5(2) + 5(10) = 3(10)(2)
10 + 50 = 60
60 = 60
The values are same.
Therefore, the denominators are 2 and 10.
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The answer to the question is b
Line TU is 2 times OL, so 2(2x-14) = x+2.
4x-28 = x + 2
4x=x+30
3x=30
x=10
X+8=18 -8 -8
X=10 Value of x is 10
Answer:
y =
x² - 7
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
Here (h, k) = (0, - 7), thus
y = a(x - 0)² - 7
To find a substitute (4, - 3) into the equation
- 3 = a(4 - 0)² - 7, that is
- 3 = 16a - 7 ( add 7 to both sides )
4 = 16a ( divide both sides by 16 )
a =
, thus
y =
x² - 7