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yaroslaw [1]
3 years ago
9

Gubir bought 40 articles for $10 and sold them at 32c each. Calculate the cost price of each article.

Mathematics
1 answer:
DIA [1.3K]3 years ago
3 0
Each article will be 1.25
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Draw a model to represent the ratio 1 to 3. Describe how to use the model to find an equivalent ratio. Please help I'm really st
Gnesinka [82]

Answer: See below

Step-by-step explanation:

Make a table with first set of numbers as 1,3. Multiply both the numbers of this set sequentially by natural numbers to get the following table

1   2  3  4    5    6     7    8     9      10......

3  6  9  12  15    18   21   24   27    30......

We see that in each set of numbers the 2nd number is 3 times the first number.

If we plot these sets of numbers on a graph paper, we get a model depicting all the points which satisfy this ration requirement.

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4 years ago
Which point below is not on the graph of p(x) = +36- X?
natka813 [3]

Answer:

We have the following equation: y = 36 - x. And we need to find which of the following points belong to the graph:

  • (-13,7)
  • (-35, 1)
  • (11,5)
  • (27,3)

If any of the points belong to the equation, then the equality will be met.

Then:

  • (-13,7) :

7 = 36 - (-13)

7 = 36 + 13

7 = 49 ❌

  • (-35, 1) :

1 = 36 - (-35)

1 = 71❌

  • (11, 5) :

5 = 36 - 11

5 = 25 ❌

  • (27,3)

3 = 36 - 27

3 = 9 ❌

None of the points belong to the graph. Therefore, all points are NOT on the grah of p(x) = 36 - x.

3 0
3 years ago
How to solve Y=-1/3x+7
Vikki [24]

Answer:

x+3y=21 in standard form

8 0
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yuradex [85]

Answer:

6/5 or 1 1/5

Step-by-step explanation:

2/5 + 2/5 + 2/5 = 6/5 or 1 1/5

This is the same as multiplying 3 x 2/5 = 6/5 or 1 1/5

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Kruka [31]

Answer:

-4/3

Step-by-step explanation:

give 90°<Ø<180° show in Q2

and cscØ=5/4

tanØ in Q2 is minus

so tanØ is -4/3 #

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