$6x ^2-7x+2=0\\ \\ a=6 , \ b = -7 , \ c=2 \\ \\\Delta = b^{2}-4ac = (-7)^{2}-4*6*2=49-48=1 \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{7-\sqrt{1}}{2*6}=\frac{7-1}{12} =\frac{6}{12}= \frac{1}{ 2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{7+\sqrt{1}}{2*6}=\frac{7+1}{12} =\frac{8}{12}= \frac{2}{ 3}$

7 0

4 years ago

If g(x)=f(x)+k find the value of k

Rainbow [258]

K= -f(x)+gx
Solve for k by simplifying both sides of the function then isolating the variable

3 0

3 years ago

The dice is thrown 50 times and lands on an odd number 28 times .work out the experimental probability of getting an even number

Tems11 [23]

Answer:

0.44

Step-by-step explanation:

50-28=22

22/50

11/25

about 0.44

7 0

3 years ago

jake is placing a mat of width w+4 around a 40 cm by 50 cm portrait.write an expression for the perimeter of the outer edge of t

STALIN [3.7K]

Answer:

P = 180 cm.

Step-by-step explanation:

Perimeter = 2 Lengths + 2 Widths

P = 2l + 2w

P = (2 * 40) + (2 * 50)

P = 80 + 100

P = 180 cm.

3 0

3 years ago