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Bezzdna [24]
1 year ago
7

What should be added to (-10) to get (+10)​

Mathematics
2 answers:
777dan777 [17]1 year ago
5 0

Answer:

\fbox {20}

Step-by-step explanation:

Let the required term be <u>x</u>

<u />

Then :

  • x + (-10) = 10
  • x - 10 = 10
  • x = 10 + 10
  • x = 20
balandron [24]1 year ago
4 0

Answer:

20

Step-by-step explanation:

-10 + 20 = +10

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The volume of a cube is 448cm3.<br> Work out the length of its side rounded to 1 DP. Please hellp
Virty [35]

Answer:

7.65 or 7.7 rounded to 1 DP

Step-by-step explanation:

To find the length of the side of a cube we do the inverse of finding the volume.

one side= x

If x³ = volume, therefore ∛448 is how to find the length of one side.

∛448= 7.65

I hope this helps you.

6 0
3 years ago
Alisha is drawing a map of her school. She is not able to draw the map to scale because it would be too large. Each centimeter o
arsen [322]

Here we want to see which one of the given graphs is the one with the correct relationship between distance in centimeters and meters. We will see that the correct option is the first graph.

<h3>Working with changes of scale.</h3>

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1cm = 4m

First, this relation is linear (each centimeter will always be equal to 4 meters) so the two bottom options that are not linear can be discarded, so we only have the first and second graph.

If you read them, you can see that in the second one 1 meter is equivalent to something near 5 cm, so this is also incorrect.

The only graph that shows a correct scale is the first one, where for each increment of 1 unit on the horizontal axis (the one in centimeters) we have an increase of 4 m (estimated). This means that 1cm = 4m, as in our change of scale.

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If you want to learn more about changes of scale, you can read:

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4 0
2 years ago
Find the lenght of ab
DerKrebs [107]

Answer:

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Step-by-step explanation:

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(ab = x)

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x = 20.57741667

ab = 20.6cm

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Step-by-step explanation:

In the attached file

5 0
3 years ago
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Answer:

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55.^

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5 0
2 years ago
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