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muminat
3 years ago
13

Twenty-one crackers contain 147 Calories. Find the unit rate in Calories per cracker.

Mathematics
1 answer:
Leya [2.2K]3 years ago
6 0

Answer The unit rate in calories per cracker is 7.

(I'll add explanation if needed)

I hope this helped! :)

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Hong purchased n notebooks. They were 5 dollars each. Write an equation to represent the total cost c that Hong paid.
klio [65]

Answer:

5n=c

Step-by-step explanation:

the equation 5n=c can represent the total cost Hong would have paid for the notebooks because given that each notebook costs $5, you would multiply 5 by the number of notebooks (n) that Hong would be purchasing, which would bring you to the cost (c) of the notebooks all together

sorry for the delay. hope this helps

4 0
2 years ago
I need answers please​
Semmy [17]
4. 0.76
5. 0.18
8. 4.48
9. 0.08
12. 3.08
13. 0.45

:)
4 0
3 years ago
Find the 9th term of the geometric sequence 6,-24,96... <br><br>​
spin [16.1K]

Answer:

A9 = 393216

Step-by-step explanation:

the first thing that will help you solve this question is finding the common ratio between each terms

the first thing that I like to do that usually helps is to take the second term (-24) and divide it by the first term (6) --> this will usually help you spot the common ratio fairly quickly

in your case, the common ratio is -4

- you can also check this by following my note above and then multiplying the second term by the common ratio to see if it matches the third term, which it does!

so now you can go about this two different ways

1. solve directly for the 9th term

2. use the nth term formula for geometric sequences

METHOD 1:

if you continue to multiply by -4 to solve for each term you would end up with:

6, -24, 96, -384, 1536, -6144, 24576, -98304, 393216

and you will recieve 393216 as your answer

METHOD 2:

the nth term formula is An = A1*r^(n-1)

where An = the nth term of the sequence

A1 = first term of the sequence (6)

and r = common ratio

using this formula, you would get:

A9 = 6(-4)^8

A9 = 393216

I hope this helped :)

 

5 0
3 years ago
Put Y=x^2+10x+18 in vertex form
nika2105 [10]

Answer:(-5,-7)

Step-by-step explanation:

Rewrite in Vertex form and use this form to find the vertex (h,k)

4 0
3 years ago
Read 2 more answers
Explain how division and multiplication are similar and different.
Sergeu [11.5K]

Answer:

well when you are dividing you can multiply the answer and the second number to get the first number. And when you multiply you can divide the answer to any of the number to get the other number. Hope this helped!

4 0
3 years ago
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