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Zanzabum
4 years ago
15

The difference of a number and -6 is less than 9 write an inequality and solve

Mathematics
1 answer:
Pavlova-9 [17]4 years ago
8 0

Answer:

n - (-6) < 9

n < 3

Step-by-step explanation:

When setting up an inequality, using the key words from the problem will help.  The word 'difference' would indicate subtraction and 'less than' would be the '<' inequality sign.  Since the expression is 'the difference of a number and -6', we write:  

n - (-6) < 9

Whenever we subtract a negative number, we change both signs to positive:

n + 6 < 9

Using inverse operations to solve:  n + 6 - 6 < 9 - 6

n < 3

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3 years ago
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There are 17 camels I want to divide 3 person if the first one belongs 1/2 The second one belongs 1/3 and the third one belongs
Sergio039 [100]

Answer:

  1. 9 camels
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Step-by-step explanation:

If I add 1 camel to the herd, the first person can get (1/2)×18 = 9 camels.

The second person gets (1/3)×18 = 6 camels.

The third person gets (1/9)×18 = 2 camels.

The total number of camels distributed is 9+6+2 = 17 camels.

The one remaining is returned to me.

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<em>Comment on the question</em>

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8 0
4 years ago
Three semicircles are placed in a rectangle, as shown below. The width of the 3 rectangle is 15 . Find the area of the shaded re
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Answer:

Step-by-step explanation:

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Area \:  of  \: shaded  \: region \\  = Area \:  of  \: rectangle \\  \:  \:  \:  \:  \:  - 3  \times area \: of \: one \: semicircle \\  = l \times w - 3 \times   \frac{\pi {r}^{2} }{2}  \\  \\  = 90 \times 15 - 3 \times  \frac{3.14 \times  {15}^{2} }{2}  \\  \\  = 1350 - 3 \times  \frac{3.14 \times  225 }{2}   \\  \\   = 1350 - \frac{2119.5}{2}   \\  \\  = 1350 - 1059.75 \\  \\   \purple { \boxed{ \therefore \: Area \:  of  \: shaded  \: region = 290.25 \:  {cm}^{2}}}  \\

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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