You use the quadratic formula:
2x {}^{2} - 3x = 5
2x {}^{2} - 3x - 5 = 0
x = \frac{3 + - \sqrt{9 -4(2)( - 5)}}{2 \times 2}
x = \frac{3 + - \sqrt{49} }{4}
x = \frac{3 + 7}{4} \: and \: x = \frac{3 - 7}{4}
x = \frac{5}{2} \: and \: x = - 1
Answer: The answer is “10cm”
Step-by-step explanation: To get to this answer we first need to know the formula for find the hypotenuse which is a^2 + b^2 = c^2. A and B are the two sides in this case a and b are 8 cm and 6 cm. Then you plug in the values into the equation, it looks like this 8^2 + 6^ = c^2 once you solve you get 64 + 36 = c. When you add 64 and 36 you get 100 but their is one more step. You must find the square root of 100 which is 10. So your answer for the hypotenuse is “10cm”
Have a nice day!
Answer:
y = 2/3x+2
Step-by-step explanation:
9514 1404 393
Answer:
x = 6
Step-by-step explanation:
You can actually work out the answer yourself.
The two angles shown have the total measure 168°, so the unmarked one is ...
168° -100° = 68°
That is ∠WXZ, so we know ...
68° = (5x +38)°
30 = 5x . . . . . . . . . . divide by °, subtract 38
6 = x . . . . . . . . . . . . .divide by 5
Answer:
1st option
i know for sure and....
Last one totally wrong
Step-by-step explanation:
