3 years ago

A=160, b=110, C=54. What is the distance between AB?

Mathematics

1 answer:

Schach [20]3 years ago

3 0

Answer:

Step-by-step explanation:

answer is 50

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A square piece of paper 150 millimeters on a side is folded in half along a diagonal. What is the exact length of the diagonal?

s344n2d4d5 [400]

Answer:

Look below.

Step-by-step explanation:

$a^{2}+b^{2} =c^{2} \\150^{2}+150^{2}= c^{2}\\22500+22500=c^{2} \\\sqrt{45000} = c\\$

Use a calculator.

6 0

3 years ago

I will give brainliest, Please help on this... Show ur work please and thank you

Elanso [62]

Answer:

n=9

Step-by-step explanation:

-5-4n=-41

+5 +5

---------------

-4n=-36

---------------

-4n/4=-36/-4

---------------

n=9

5 0

3 years ago

Which is the standard form of the equation of the parabola that has a vertex of (3, 1) and a directric of x = -2?

vagabundo [1.1K]

Check the picture below. So,the parabola looks like so, notice the distance "p". since the parabola is opening to the right, then "p" is positive, thus is 5.

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

$\bf -------------------------------\\\\
\begin{cases}
h=3\\
k=1\\
p=5
\end{cases}\implies (y-1)^2=4(5)(x-3)\implies (y-1)^2=20(x-3)
\\\\\\
\cfrac{1}{20}(y-1)^2=x-3\implies \boxed{\cfrac{1}{20}(y-1)^2+3=x}$