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MatroZZZ [7]
2 years ago
9

A flower pot has a radius of 10 inches. Evelyn wants to tie a ribbon around the pot. How long does the ribbon have to be in orde

r to wrap around the pot?
Mathematics
1 answer:
mariarad [96]2 years ago
3 0

Answer:68.5

Step-by-step explanation:

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Find the sum of the first 17 terms of the arithmetic sequence 10, 14, 18, 22, 26...
kari74 [83]
10, 14, 18 ....

notice, we get the next term by simply adding 4 to the current term, thus "4" is the "common difference, and we know that 10 is the first term.

\bf n^{th}\textit{ term of an arithmetic sequence}
\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
a_1=10\\
d=4\\
n=17
\end{cases}
\\\\\\
a_{17}=10+(17-1)(4)\implies a_{17}=10+(16)(4)
\\\\\\
a_{17}=10+64\implies a_{17}=74\\\\
-------------------------------

\bf \textit{ sum of a finite arithmetic sequence}
\\\\
S_n=\cfrac{n(a_1+a_n)}{2}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
----------\\
a_1=10\\
a_{17}=74\\
n=17
\end{cases}
\\\\\\
S_{17}=\cfrac{17(10+74)}{2}\implies S_{17}=\cfrac{17(84)}{2}\implies S_{17}=714
6 0
2 years ago
Read 2 more answers
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!
DiKsa [7]
This is the answer ndjsh

4 0
2 years ago
Harry is making cookies. He needs 1 3/4 cups of flour for one batch, but he wants to make 1 1/2 batches. Write an equation that
Andrei [34K]

Answer: 1 3/4 × 1 1/2

Step-by-step explanation:

Since Harry needs 1 3/4 cups of flour for one batch of cookies, but he wants to make 1 1/2 batches, the equation that can be used to find how many cups of flour Harry will need will be:

= (1 3/4 / 1) × 1 1/2

= 1 3/4 × 1 1/2

Therefore, to make 1 1/2 batches, the cups of flour needed will be:

= 1 3/4 × 1 1/2

= 7/4 × 3/2

= 21/8

= 2 5/8 cups of flours.

7 0
3 years ago
What is the rate of change for 7x + 8y = 56
natali 33 [55]

Answer:

-7/8

Step-by-step explanation:

7x+8y=56

8y=-7x+56

8y/8=(-7x+56)/8

y=(-7/8)x+7

Slope is the rate of change.

6 0
2 years ago
Two 6-sided dice are rolled at the same time. How many outcomes correspond to the event that the sum of the numbers is 5?
katen-ka-za [31]
Well I don't know !
Let's count them.

You can get a 5 if the cubes
fall in any one of these ways:

1 . . . 4
2 . . . 3
3 . . . 2
4 . . . 1

That looks like four possibilities.
Can you think of any others that I missed ?
3 0
3 years ago
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