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Stolb23 [73]
3 years ago
15

If a 10-pound sack of potatoes costs $6.55, how much would 1 pound cost? Round your answer to the nearest cent. 

Mathematics
1 answer:
mote1985 [20]3 years ago
7 0
If we know price of 10 pounds sack and we want to know price of 1 pound we have to just divide price of 10 by 10, so:
6.55=10=0.655
Now we can round it
0.655=0.66 because the last digit is 5.
Answer is 0.66
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write a variable expression to describe the rule of each progression then calculate the term 20 or 20 term1.) 6,12,18,24,...2.)3
Dmitriy789 [7]

1) 6, 12,18,24

The rule used here is: Arithmetic Progression or Linear sequence

From the data above:

a = 6, d = 6

\begin{gathered} T_{n\text{ }}=\text{ a + (n-1)d} \\ \text{where n = 20} \\ T_{20\text{ }}=\text{ a + (20-1)d} \\ T_{20\text{ }}\text{ = a + 19d} \\ T_{20\text{ }}\text{ = 6 + 19}\times6 \\ T_{20\text{ }}\text{ = 6 + 114} \\ T_{20\text{ }}\text{ = 120} \end{gathered}

2) 3,6,9,12

The rule used here is: Arithmetic Progression or Linear sequence

From the data above:

a = 3, d = 3

\begin{gathered} T_{n\text{ }}=\text{ a + (n-1)d} \\ \text{where n = 20} \\ T_{20\text{ }}=\text{ a + (20-1)d} \\ T_{20\text{ }}\text{ = a + 19d} \\ T_{20\text{ }}\text{ = 3 + 19 }\times3 \\ T_{20\text{ }}\text{ = 3 + 57} \\ T_{20\text{ }}\text{ = 60} \end{gathered}

3) 1,5,9,13

The rule used here is: Arithmetic Progression or Linear sequence

From the data above:

a = 1, d = 4

\begin{gathered} T_{n\text{ }}=\text{ a + (n-1)d} \\ \text{where n = 20} \\ T_{20\text{ }}=\text{ a + (20-1)d} \\ T_{20\text{ }}\text{ = a + 19d} \\ T_{20\text{ }}\text{ = 1 + 19 }\times4 \\ T_{20\text{ }}\text{ = }1\text{ + 76} \\ T_{20\text{ }}\text{ = }77 \end{gathered}

5 0
1 year ago
In October Diana planted a tulip bulb 6 inches deep in the soil the next spring when the tulip bloomed it reached a height of 13
Setler [38]

Answer:

19 inches

step by step:

it was 6 inches into the ground & grows 13 above the surface, (6+13) therefore, you have 19inches

5 0
3 years ago
Read 2 more answers
Help me plz thank u
Svetlanka [38]

Answer:

32

Step-by-step explanation:

2x+6=5x-9

3x=15,

x=5

2(5)+6=10+6=16

5(5)-9=25-9=16

16+16=32

8 0
3 years ago
Read 2 more answers
What has a greater percent of increase? 5 bonus points on 50 point exam or 5 bonus points on a 100 point exam?
yanalaym [24]
5 bonus on 50 is 5/50 *100%=10%
5 bonus on 100 is 5/100 *100%=5%
Answer: for 50 points.
8 0
3 years ago
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MATHSWATCH
Jobisdone [24]

Answer:19683x

Step-by-step explanation:

Evaluate the exponent

27.93x

27.729x

i am pretty sure sorry if I am wrong

7 0
3 years ago
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