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ruslelena [56]
3 years ago
10

Gjshdhrh helpppplpppppppppppppppppp

Mathematics
1 answer:
BARSIC [14]3 years ago
8 0

Answer:

90 square centimeters

Step-by-step explanation:

The scale drawing is 15 cm^2 (Area)

The proportion of the scale drawing the the real object is 1:6

So, we multiply both sides by 15 and we get:

15:90

The area of the real object is 90 square cm

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Write the equation of the line that includes the point (1,5) and has a slope of 3 in standard form.
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Answer:

-3x + y = 2

Step-by-step explanation:

The slope is 3. So the coefficient of x is 3.

when x = 1, y = 5.

So 3*1 + c = 5

So c is 2.

So y = 3x + 2

Therefore, taking 3x to the LHS, we get,

-3x + y = 2

Hope it helps ;)

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\huge \bf༆ Answer ༄

Let's simply ~

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: - 5 {x}^{2} (4x - 6 {x}^{2}  - 3)

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{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: - 20 {x}^{3}    - ( - 30 {x}^{4} ) - ( - 15 {x}^{2} )

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: - 20 {x}^{3}  + 30 {x}^{4}  + 15 {x}^{2}

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:30 {x}^{4}  - 20 {x}^{3}  + 15 {x}^{2}

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(I hope this helps! Have a great day AND STAN BTS)

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