4 years ago

PLSS HELP I NEED THIS

Mathematics

1 answer:

Olin [163]4 years ago

3 0

Answer:

t = kp, i think

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–8 p + 4 u + 6, when p = 9 and u = 3<br> Ok at this point I'm double checking all of my answers lol

algol13

Answer:

-54

Step-by-step explanation:

-72+12+6

4 0

3 years ago

Read 2 more answers

Expression equivalent to (0.28t-0.3)-(0.7t-0.28)?

Softa [21]

B because it obviously can’t be any other

3 0

3 years ago

How to turn this equation: <br> y= -1.02(x-3)^2+9.25<br> into factored form

MatroZZZ [7]

Answer:

$y=(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})$

Step-by-step explanation:

You first equate it to zero to get:

$-1.02(x-3)^2+9.25=0$

Then solve using square root method

$-1.02(x-3)^2=-9.25$

$(x-3)^2=\frac{-9.25}{-1.02}$

$(x-3)^2=\frac{925}{102}$

$x=3\pm\sqrt{\frac{925}{102}}$

$x=3\pm{\frac{5\sqrt{3774}}{102}}$

$x={\frac{306\pm5\sqrt{3774}}{102}}$

Now work it backwards

$102x-(306\pm5\sqrt{3774})=0$

$(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})=0$

Hence the factored form is:

$y=(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})$

8 0

3 years ago

Solve the following system of equations:

SIZIF [17.4K]

$xy = 4 \\ 2y = x - 6 \\ \\ xy = 4 \\ x = 6 + 2y$

$(6 + 2y)y = - 4 \\ {y}^{2} + 3y + 2 = 0 \\ d = {3}^{2} - 4 \times 2 = 9 - 8 = 1 = {1}^{2}$

$y = \dfrac{ - 3 + 1}{2} = - 1 \\ \\ y = \dfrac{ - 3 - 1}{2} = - 2$

$- 2x = - 4 \\ x = 2 \\ \\ - x = - 4 \\ x = 4$

Answer: B) (2; -2), (4; -1)

4 0

4 years ago

Helpppppppppppppppppppppppppppp

algol13

Answer:

I would say it is 9

Step-by-step explanation:

5 0

3 years ago