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Veronika [31]
2 years ago
11

Bella bought a small smoothie at the Point Coffee Shop and gave the barista a 10% tip. She spent 2.75 in all. How much did the s

moothie cost before the tip?
Mathematics
1 answer:
I am Lyosha [343]2 years ago
7 0
She spent $2.50 (before the tip) ;)
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Please see the image and help with this homework problem. thank you!
dimulka [17.4K]

we have the function

E=\sin \frac{\pi}{14}t

Part a

For t=7

substitute in the given function

\begin{gathered} E=\sin \frac{\pi}{14}7 \\ E=1 \end{gathered}

For t=14

\begin{gathered} E=\sin \frac{\pi}{14}14 \\ E=0 \end{gathered}

For t=21

\begin{gathered} E=\sin \frac{\pi}{14}21 \\ E=-1 \end{gathered}

For t=28

\begin{gathered} E=\sin \frac{\pi}{14}28 \\ E=0 \end{gathered}

For t=35

\begin{gathered} E=\sin \frac{\pi}{14}35 \\ E=1 \end{gathered}

Observation: The values of E varies from -1 to 1, including the zero

Part B

Remember that

The Period goes from one peak to the next

so

Period=2pi/B

B=pi/14

Period=(2pi)/(pi/14)=2pi*14/pi=28

<h2>the period is 28 days</h2>
6 0
1 year ago
The balance after the grace period is $15,000. A payment of $5,000 is made on the
mario62 [17]

Answer:

the average daily balance is 500

Step-by-step explanation:

If a payment of 5,000 is made on the tenth day you can divide 5,000 by ten to get the amount payed everyday before hand. Once you do that you will end up with the answer of 500. Therefore the average daily balance is 500

3 0
2 years ago
0.6 is the cube root of what value
Delvig [45]
Is there choices ? I got 0.216
8 0
3 years ago
Read 2 more answers
Factorise each of the following.
Alborosie

I will do (a) only.

6rt - 3st + 6ru - 3su

6rt - 3st = 3t(2r - s)

6ru - 3su = 3u(2r - s)

Answer: (3t + 3u)(2r - s)

Do the rest likewise.

7 0
2 years ago
Please help me! i'll mark you brainliest <br> 20 points, (maths)
marysya [2.9K]

Answer:

5/6 of the time or 50 minutes

Step-by-step explanation:

6 0
2 years ago
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