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trapecia [35]
3 years ago
15

-72 by 8 A) -9 B) -8 C) 7 D) 8

Mathematics
2 answers:
monitta3 years ago
8 0

<u><em>Hi there! :) :D</em></u>

<u><em>Answer:</em></u>

<u><em>A. -9</em></u>

<u><em>*The answer must have a negative sign.*</em></u>

Step-by-step explanation:

Lesson: Dividing integers

First, you divide by the numbers from left to right.

72/8=9

It change positive to negative sign.

72/9=8

Then, you can also multiply by the numbers from left to right.

9*8=72

8*9=72

<u><em>Final answer is -9</em></u>

Hope this helps!

Have a nice day! :)

:D

-Charlie

Thank you so much! :)

:D

Gekata [30.6K]3 years ago
7 0
-9
9 times 8 is 72 its negative ultimately the same thing (easy way to look at it) with a dif sign
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A shop sells 3 different types of tea
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Answer:

The cheapest is the Kenyan tea which costs  £1.05  for each 100g.

Step-by-step explanation:

A)

200 g of Kenyan tea costs £2.10

1. Calculate the rate of each gram, by dividing 2.10/200

0.0105 x 100 =    £1.05  for each 100g

300 g of Columbian tea costs £3.45

1. Calculate the rate of each gram, by dividing 3.45/300

0.0115 x 100 =  £1.15 for each 100g

1. Calculate the rate of each gram, by dividing 1.70/150

150 g of Indian tea costs £1.70

0.01133333333 x 100 =  £1.133333333 for each 100g

B) The cheapest is the Kenyan tea which costs  £1.05  for each 100g.

8 0
3 years ago
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stepan [7]

<u>{x}^{2}  + x - 10506 = 0</u>

Step-by-step explanation:

-x, -(x+1)

-x-(x+1)=10506

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4 0
3 years ago
A walkway goes through the middle of a square playground from one corner to the opposite corner. If the walkway is 20 meters lon
Dahasolnce [82]
I think you would use the Pythagorean Theorem to solve this, as a square cut across diagonally creates two isocele triangles. Since the longest side is 20 m, this value would be imputed into c^2.

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a^2 + a^2 = 20^2
2a^2 = 400
2a^2/2 = 400/2
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Thus, each sides of the playground are 14.14 meters long.

7 0
3 years ago
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Answer:

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Step-by-step explanation:

Hope I made your day better buddy.

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7 0
3 years ago
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Kruka [31]

Answer:

3 and 5

Step-by-step explanation:

3+5=8, and also

3x5=15

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