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Arte-miy333 [17]
2 years ago
8

Help on this ik it’s easy but I gotta do other hw rn

Mathematics
2 answers:
aleksklad [387]2 years ago
7 0
They are 100% correct
ddd [48]2 years ago
6 0

Answer:

2: addition

3: subtraction

4: division

5: subtraction

6: division (I think)

7: addition

8: subtraction

9: multiplication

10: addition

12: n/10

13: n+6

14: 9x(n-5)

15: 4n-1

16: 50+40h

Step-by-step explanation:

you said its easy so i assume you know how to do it

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Find S11 for 1 + 2 + 4 + 8 + …
NemiM [27]

Answer:

2,047

Step-by-step explanation:

Given:

1+2+4+8+...

Find:

S_{11}

You are given the geometric sequence. From the given sum, you can see that

b_1=1\\ \\b_2=2=1\cdot 2=b_1\cdot 2\\ \\b_3=4=2\cdot 2=b_2\cdot 2\\ \\b_4=8=4\cdot 2=b_3\cdot 2\\ \\....\\ \\r=2

To find the sum S_{11}, use formula

S_n=\dfrac{b_1(1-r^n)}{1-r}

Hence,

S_{11}=\dfrac{1\cdot (1-2^{11})}{1-2}=\dfrac{1-2,048}{-1}=2,047

5 0
2 years ago
A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 2,280 ft Determine the flag's width and
GarryVolchara [31]

Answer:

use area to help solve

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which of the following summations represent the series shown? Check all that apply.
Afina-wow [57]

Answer: 80

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Subtracting Fractions.<br><br> Fill in the blanks, and the tenth one is 4 2/3 + 7 7/10=
GrogVix [38]
Hello! Although I can't give you the answers automatically. I'll just show you some steps on how to subtract & if you're still not figuring it out just message me! :)

Step 1: You have to make sure both denominators are both exactly the same or you won't get the answer correctly.

Step 2: Then subtract the numerators

Step 3: Simplify if needed.

Ex; If I have 1/2 of the pizza and my friend has 1/6 of the pizza. What will be my result if I subtract the fractions?

We'll have to take 1/2 and 1/6. You'll have to find what makes those numbers, what I mean is by multiplying both numerators and denominators.

\frac{1}{2}  -  \frac{1}{6}  =
You multiply by 3.
2 x 3 = 6

Then you'll change the denominator into 1/2 = 1/6

Result:
\frac{3}{6}  -    \frac{1}{6}  =
Then you just subtract.
3 - 1 = 2

Hint: Denominator never changes when you have your final result. So it's 2/6. It needs to be simplified.

\frac{2}{6}  \div  \frac{1}{3}
We divide by 2.

I hope this example helped you understand how to subtract fractions & if you don't know how to add mixed fractions you can always do around the world or other examples your teacher can provide! :)
3 0
3 years ago
Ginny divided the cake into 12 pieces. She gave 4 pieces to Sammy. What fraction of the cake did she have left?
In-s [12.5K]

Answer: 2/3 or 1/3

Step-by-step explanation: If we have a cake that has a total of 12 pieces, and we gave four to someone else we would have 8/12 pieces left. Now if we simplify then we would have 2/3 left.

Alternate explanation: Now if we just want to divide 4/12 then we would have 1/3.

I'm happy to help let me know if I'm wrong!

5 0
2 years ago
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