I’m usually pretty good at these but I cant seem to figure this one out. My answer is 40 every time and I’ve worked it 3 times

Mathematics

1 answer:

slava [35]2 years ago

3 0

Hope this answer helps :)

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Help me pleaseeeeeeee

nadya68 [22]

10^-8 because e-8 is 10^-8

8 0

2 years ago

Evaluate the expression when x=10, y=−2, and z=−5.

Vlad [161]

$\frac{ - {x}^{2} + 6z }{y}$

if x=10 y=-2 and z=-5 then...

$\frac{ { - 10}^{2} + 6 \times - 5}{ - 2}$

we solve this to get...

65

therefore the answer to your question would be 65

hope this helped-have a good day bro cya)

8 0

2 years ago

PLZ HELP!!!!!! What is the equation of the line graphed below?

alex41 [277]

Answer:

Your answer is B

Step-by-step explanation:

First we have to find the Y intercept, which is -2.

Then you have to find the slope. Rise/Run

If you count up 5 and left 2 you get your next point. Meaning that 5/-2 is your slope.

6 0

3 years ago

PLS PLS HELP, I DONT WANT TO FAIL!!

Flura [38]

Answer:

2.0 seconds

Step-by-step explanation:

Given quadratic functions:

$\begin{cases}y=-7x^2+26x+3\\y=-6x^2 +23x+5\end{cases}$

To find the time, in seconds, that the balloons collided at the highest point, substitute one equation into the other equation and rearrange to equal zero:

$\begin{aligned}-6x^2+23x+5 & = -7x^2+26x+3\\-6x^2+23x+5+7x^2 & = -7x^2+26x+3+7x^2\\x^2+23x+5 & = 26x+3\\x^2+23x+5-26x & = 26x+3-26x\\x^2-3x+5& = 3\\x^2-3x+5-3& = 3-3\\x^2-3x+2& = 0\end{aligned}$