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deff fn [24]
3 years ago
11

This is a math question ,plzzz help me

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
4 0
Lokman contributed 3x   (21 000)
Muin contributed 2x
Nordin contributed 5x

3x = 21 000
x = 21 000 / 3
x = 7 000

Total price of a land = 3x + 2x + 5x = 10x = 10 * 7 000 = 70 000

Profit = 85 000 - 70 000 = 15 000

Lokman's profit = 2y
Muin's profit = y
Nordin's profit = 3y

Total profit = 2y + y + 3y = 6y

6y = 15 000
y = 15 000 / 6
y = 2 500

Muin's profit = y = 2 500

Hope that helps.
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Find the surface area of the composite figure.
WINSTONCH [101]

Answer:

382 cm²

Step-by-step explanation:

Front face + Back face:

A = 2(a + b)h/2

A = 2(14 cm + 8 cm)(7 cm)/2

A = 154 cm²

Left face:

A = 7 cm × 6 cm = 42 cm²

Right face:

A = 9 cm × 6 cm = 54 cm²

Bottom face:

A = 14 cm × 6 cm = 84 cm²

Top face:

A = 6 cm × 8 cm = 48 cm²

Total surface area =

= (154 + 42 + 54 + 84 + 40) cm²

= 382 cm²

3 0
1 year ago
Complete the point slope equation of the line through (-5, 7) and (-4, 0).​
IgorLugansk [536]

For this case we have that by definition, the point-slope equation of a line is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We have two points:

(x_ {1}, y_ {1}): (- 5,7)\\(x_ {2}, y_ {2}): (- 4,0)

We found the slope:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} =  \frac {0-7} {- 4 - (- 5)} = \frac {-7} {-4 + 5} = \frac {-7} {1} = - 7

Thus, the equation is of the form:

y = -7x + b

We substitute one of the points and find "b":

0 = -7 (-4) + b\\0 = 28 + b\\b = -28

Finally, the equation is:

y = -7x-28

Answer:

y = -7x-28

5 0
4 years ago
What is 48% of 60? This is for Algebra 1! :)
coldgirl [10]

Answer:

48% of 60 is 28.8.

4 0
3 years ago
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Classify the triangle by its sides, and by its angles ​
ivolga24 [154]
There is no triangle
5 0
3 years ago
Solve question please​
JulijaS [17]

Answer:

289

Step-by-step explanation:

17^{2}

17x17

= 289

Hope this helps

3 0
3 years ago
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