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tankabanditka [31]
3 years ago
9

Mike built a sand castle that measured 484 centimetres by 386 centimetres, and dug a moat around it.Afterward, he decided to cha

nge the castle size, making it 725 centimetres by 314 centimetres.How much longer will the newer moat be than the older one?
Mathematics
1 answer:
STatiana [176]3 years ago
6 0

Answer:

the newer moat is 169 cm longer than the older one

Step-by-step explanation:

in order to find the difference in length of the two castles, we will first find the perimeters of the two castles then calculate the difference in the perimeters:

old castle:

dimension = 484cm by 386cm

perimeter = 484 + 386 = 870 cm

new castle:

dimension = 725cm by 314cm

perimeter = 725 + 314 = 1039 cm

difference =  1039 - 870 = 169 cm

The total length of the moats used is equals to the perimeter of the sand castles, therefore, the newer moat is 169 cm longer than the older one.

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Natalka [10]

Answer:

1.\frac{10}{1}

2.10

3.\frac{1}{10}

4.\frac{15}{1}

5.15

6.\frac{1}{15}

5 0
3 years ago
33 pounds of dog food for $45 how much is it per pound
Whitepunk [10]

Answer:

1 pound = .73 dollars rounded.

Step-by-step explanation:

This is like a rate question. Speed is in miles / hour only the units for this question is pound / dollar.

pounds = 33

dollars = 45

1 pound is 33/45

1 pound = 0.73

7 0
2 years ago
What’s 433 rounded to nearest hundreds
MAXImum [283]

Answer:

400

Step-by-step explanation:

Looking at the number 433, we have to look at the number in the tens place (in this case, 3) to determine if we will round down to 400, or up to 500.

Because the number 3 is less than 5, we will round down to 400.

6 0
3 years ago
Read 2 more answers
How many numbers from n-3 to n+4
SashulF [63]

Answer:

n-2, n-1, n, n+1, n+2, n+3

Step-by-step explanation:

We have to,

→ find the numbers from n-3 to n+4.

Then the numbers are,

→ n-3, n-2, n-1, n, n+1, n+2, n+3, n+4

Hence, there are 6 numbers.

8 0
2 years ago
Write the first four terms in the following sequences. A(n+1)=A(n)−5 for n≥1 and A(1)=9 .
luda_lava [24]

Answer:

Step-by-step explanation:

A(1) = 9

A(n+1) = A(n) - 5

n = 1 ;     A(1+1) = A(1) - 5

             A(2) =  9 - 5

             A(2) = 4

n = 2 ;     A(2+1) = A(2) - 5

             A(3) =  4 - 5

             A(3) = 1

n = 3 ;     A(3+1) = A(3) - 5

             A(4) =  1 - 5

             A(4) = -4

n = 4 ;     A(4+1) = A(4) - 5

             A(5) =  -4 - 5

             A(5) = -9

First four terms are: 9 , 4 , 1 , -4 , - 9

4 0
3 years ago
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