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Elina [12.6K]
3 years ago
11

What number can be added to -13 to get a sum of 0

Mathematics
1 answer:
Korvikt [17]3 years ago
8 0

Answer:

- 13 + 13 = 0

Step-by-step explanation:

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Pablo and Johanna have to do a yearlong study for their biology course. After some discussion, they decide to try comparing thei
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Answer:

The type of food they are feeding the dog.

Step-by-step explanation:

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allsm [11]

Answer:

A=384\ cm^2

Step-by-step explanation:

Let the sides of a triangle be 6x,8x and 10x.

Perimeter of the triangle, P = 96 cm

We need to find the area of the triangle.

P = sum of all sides

6x+8x+10x = 96

24x = 96

x = 4

Sides are :

6x = 6(4) = 24 cm

8x = 8(4) = 32 cm

10x = 10(4) = 40 cm

Area,

A=\dfrac{1}{2}\times b\times h\\\\A=\dfrac{1}{2}\times 24\times 32\\A=384\ cm^2

So, the area of the triangle be 384\ cm^2.

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kupik [55]
<h3>Answer:  18</h3>

==========================================================

Explanation:

2 cm on paper (or on screen) represents 3 meters in real life.

The backyard is 2 cm horizontally across on the screen, so it's 3 meters across in real life. This is the shorter dimension.

The longer dimension is 6 meters. We can think of it like this

2 cm : 3 meters

2*2 cm : 2*3 meters .... multiply both sides by 2

4 cm : 6 meters

The real backyard is 6 meters by 3 meters to give an area of 6*3 = 18 square meters.

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lianna [129]
So 4/5 should be an 80 because if you multiply 5x20 and 4x20 you would get 80/100 but sometimes teachers make certain questions worth more points than others so maybe that is what happened but maybe talk to your teacher about it
8 0
3 years ago
Read 2 more answers
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