Help me please,Thanks

Mathematics

1 answer:

Liula [17]3 years ago

6 0

Download photo math you scan you problem and it tells you the answer

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4 Dean has a rectangular picture that is 6 inches long and

vredina [299]

Answer:

Step-by-step explanation:

6/4=(6-1)/(4-x)

6/4=5/(4-x)

6(4-x)=4(5)

24-6x=20

-6x=-4

x=4/6

x=2/3

2/3 of an inch should be cut off the width.

3 0

3 years ago

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Can someone help? Will give brainliest!! Ty

den301095 [7]

7.2

a^2 + b^2 = c^

a=6

b=4

36+16=c^2

52=c2

root both sides

7.2=c

8 0

3 years ago

What dose median mean

dexar [7]

the median is the middle number in a set of numbers.

in the set 2246889, 6 would be the median

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3 years ago

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Please help me to answer this

Igoryamba

A. 1 = 3/3 = 4/4 = 52/52 = x/x

B. 5 = 10/2 = 15/3 = 7.5/1.5 = 120/24 = 5a/a

All the ratios must equal each other

5 0

4 years ago

What is the equation of a parabola with (4, 6) as its focus and y = 2 as its directrix?

antoniya [11.8K]

So hmmm if you notice the picture below

bear in mind that, the vertex is "p" distance from the focus, and "p" distance from the directrix

now, the focus is at 4,6 and the directrix below that, meaning the parabola is vertical and opening upwards

and the vertex is half-way between the focus point and the directrix

$\bf \textit{parabola vertex form with focus point distance}\\\\
\begin{array}{llll}
(y-{{ k}})^2=4{{ p}}(x-{{ h}}) \\\\
\boxed{(x-{{ h}})^2=4{{ p}}(y-{{ k}})} \\
\end{array}
\qquad 
\begin{array}{llll}
vertex\ ({{ h}},{{ k}})\\\\
{{ p}}=\textit{distance from vertex to }\\
\qquad \textit{ focus or directrix}
\end{array}\\\\
-----------------------------\\\\
(x-4)^2=4(2)(y-4)\implies (x-4)^2=8(y-4)
\\\\\\
\cfrac{(x-4)^2}{8}=y-4\implies \cfrac{1}{8}(x-4)^2+4=y$

4 0

4 years ago