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raketka [301]
3 years ago
11

Adam has come to town to attend his friend's wedding. He is staying in a hotel. To which person should he offer a tip? A. the cl

erk at the desk for registering him B. the hotel concierge for giving him the directions to the wedding site C. the hotel doorman for hailing a cab for him D. the hotel doorman for opening the door for him
Mathematics
1 answer:
kolezko [41]3 years ago
6 0

Hey there,

The correct answer is D: The hotel doorman for opening the door for him.

:)

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Eliminate the parameter. x = t2 + 2, y = t2 - 4
stepan [7]
\bf \begin{cases}
x=t^2+2\implies x-2=t^2\implies \sqrt{x-2}=\boxed{t}\\\\
y=t^2-4\\
----------\\
y=\left( \boxed{\sqrt{x-2}} \right)^2-4\implies y=x-2-4\\\\
y=x-6
\end{cases}

just a plain vanilla substitution

8 0
3 years ago
Read 2 more answers
The diameter of a sphere is 2,160 mm. The diameter of a second sphere is 7,520 mm. Approximately how many times larger is the vo
fgiga [73]

Answer:

Approximately 42 times larger

Step-by-step explanation:

The diameter of a sphere is 2,160 mm.

The diameter of a second sphere is 7,520 mm.

To see how many times larger is the diameter of second sphere is than the diameter of the second sphere, we divide to get:

k =  \frac{7520}{2160}

k = 3.481

To see how many times larger the volume is, we cube both sides

{k}^{3}  =  {3.481}^{3}

This implies that

{k}^{3}  = 42.181

Therefore the volume of the second sphere is approximately 42 times larger

3 0
3 years ago
Help me on this problems
elena55 [62]
The answer for your problem (1) is 7.41
6 0
3 years ago
Prove that ABCD is a rectangle.<br> A = (-4, 4)<br> B = (0,5)<br> C = (1, 1)<br> D = (-3,0)
kaheart [24]

Answer:

Draw it on a graph sheet

5 0
2 years ago
Read 2 more answers
triangle AMY ~ MEG , AM = 5 MY=7 AY =3. MEG IS A DILATION of AMY by a scale facyor of 1/3. fimd the perimeter of MEG.
Mademuasel [1]

Answer:

7

Explanation:

From the question, we're told that triangles AMY and MEG are similar. If triangle AMY has sides AM = 5, MY = 7, and AY = 3 then we can find the side lengths of triangle MEG since we're told from the question that it is a dilation of AMY by a scale factor of 1/3.

So all we need to is multiply the corresponding sides of AMY by 1/3, so we'll have;

\begin{gathered} ME=5\ast\frac{1}{3}=\frac{5}{3} \\ EG=7\ast\frac{1}{3}=\frac{7}{3} \\ MG=3\ast\frac{1}{3}=3 \end{gathered}

We can then go ahead and find the perimeter of MEG. Note that to find the perimeter of a triangle, we add all the length of its sides;

\begin{gathered} \text{Perimeter of MEG}=\frac{5}{3}+\frac{7}{3}+3 \\ =\frac{5+7+9}{3} \\ =\frac{21}{3} \\ =7 \end{gathered}

The perimeter of MEG is 7.

6 0
1 year ago
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