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Veseljchak [2.6K]
3 years ago
5

On a map, Melbourne, Australia, is 22 centimeters from Sydney, Australia. The actual distance is 880 kilometers. If Canberra, Au

stralia, is 286 kilometers from Sydney, how far apart will they appear on the map, to the nearest centimeter? 3 centimeters 7 centimeters 13 centimeters 68 centimeters
Mathematics
2 answers:
marysya [2.9K]3 years ago
8 0
7 centimeters because you have to find how many kilometers are in each kilometer and that is 40 so then you divide 286 by 49 which is 7.15 then you round
IgorLugansk [536]3 years ago
7 0

Answer: 7 cm

Step-by-step explanation:

In the Map,

The distance of Australia from Sydney = 22 cm,

But, the actual distance of Australia from Sydney = 880 km,

Thus, In the map the scale is,

880 km = 22 cm

\implies 1\text{ km}=\frac{22}{880}= \frac{1}{40}\text{ cm}

\implies 286\text{ km}= 286\times \frac{1}{40}=\frac{286}{40}=7.15\text{ cm}\approx 7 \text{ cm}

Since, the actual Canberra from Sydney in the map = 286 km

Thus, the distance of Canberra from Sydney in the map = 7 cm (approx)  

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X < -5. solve plssss no links​
kondor19780726 [428]

Answer: I don't know how to type the infinity symbol on my phone but..

(-infinity, -5)

Basically x can be anything less than -5.

4 0
3 years ago
What is 31; can vary by 7% ?
Black_prince [1.1K]

9514 1404 393

Answer:

  28.83 ≤ x ≤ 33.17

Step-by-step explanation:

7% of 31 is ...

  0.07 × 31 = 2.17

When we say the value can vary from 31 by 7%, we usually mean it can go that much lower or higher. For some value x, this means ...

  31 -2.17 ≤ x ≤ 31 +2.17

  28.83 ≤ x ≤ 33.17

5 0
3 years ago
I need help with number 19
RideAnS [48]

Answer:

x = 10

Step-by-step explanation:

3x + 14 + 68 = 12x - 8

Combine like terms:

3x + 82 = 12x - 8

Subtract 3x from both sides.

82 = 9x - 8

Add 8 to both sides.

90 - 9x

Now, divide both sides by nine.

x = 10

8 0
3 years ago
The dot plot shows the number of library books checked out by two groups of students which statement is true
nignag [31]

Answer:

Option 2

Step-by-step explanation:

A is symmetrical

B ie skewed towards right. The data value of 10 disturbs its symmetry

5 0
3 years ago
Alan travels 3/10 of his journey car. 3/20 by bicycle 1/12 by boat and walks the rest what fraction of the journey did he walk?
lys-0071 [83]
The denominators are: 10, 20, and 12
The LCD (lowest common denominator) is 60 as this is the smallest multiple of 10, 20, and 12.

Get each fraction to have a denominator of 60
3/10 = (3/10)*(6/6) = (3*6)/(10*6) = 18/60
3/20 = (3/20)*(3/3) = (3*3)/(20*3) = 9/60
1/12 = (1/12)*(5/5) = (1*5)/(12*5) = 5/60

The fractions 
3/10, 3/20, and 1/12
are equivalent to
18/60, 9/60, and 5/60
in that exact order

Add up the second set of fractions to get
(18/60) + (9/60) + (5/60) = (18+9+5)/60 = 32/60 = 8/15

The result of adding the fractions and reducing leads to 8/15 meaning that Alan takes 8/15 of the journey to use his car, bike and boat

The rest of the journey (7/15) is done walking
Multiply this with the total distance 140
(7/15)*140 = (7/15)*(140/1)
(7/15)*140 = (7*140)/(15*1)
(7/15)*140 = (980)/(15)
(7/15)*140 = (975+5)/15
(7/15)*140 = (975/15)+(5/15)
(7/15)*140 = (65)+(1/3)
(7/15)*140 = 65 & 1/3

The answer as a mixed number is 65 & 1/3
The answer as an improper fraction is 980/15
The approximate answer in decimal form is 65.33 (rounded to 2 decimal places)
7 0
3 years ago
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