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igor_vitrenko [27]
3 years ago
10

Solve the equation.4 2/5 + k= −3 2/11k=

Mathematics
1 answer:
Natali [406]3 years ago
6 0

Answer:

k = -3636

Step-by-step explanation:

you subtract 425 from both sides, it cancels out on the left and adds more to the right

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If the vertex of a parabola is (-4, 6) and another point on the curve is (-3, 14), what is the coefficient of the squared expres
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\bf \qquad \textit{parabola vertex form}\\\\\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array}\qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
vertex\ (-4,6)\qquad 
\begin{cases}
h=-4\\
k=6
\end{cases}\implies y=a(x-(-4))^2+6
\\\\\\
y=a(x+4)^2+6
\\\\\\
\textit{we also know that }
\begin{cases}
x=-3\\
y=14
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3 years ago
A cheetah can travel three hours at top speed for 225 miles how many miles per hour?
jolli1 [7]

Answer:

The answer is 75 miles per hour

Step-by-step explanation:

225÷3=75 ( how many times 3 go into 225)

We can check to see if this answer is correct by multiplying 75 by 3 ( multiply 75 three times)

75×3=225

There for 75 is the correct answer

(I hope this helped you answer your question. If you want to check if I'm correct you can use a calculator! Have a wonderful day!)

:)

6 0
3 years ago
What is the distance between z 1 = 2 + 9i and z 2 = 2 - 4i?
Lapatulllka [165]
Distance formula: SR (A^2+B^2)
SR [(2+9i)^2 + (2-4i)^2] =
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SR [8 + 10i + 97i^2]
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