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Mazyrski [523]
3 years ago
5

What is y=3x-4and y=x-2

Mathematics
1 answer:
IrinaVladis [17]3 years ago
3 0

Answer:

x= 1

y= -1

Hope this helps!  

Step-by-step explanation:

1 Substitute y=3x−4 into y=x-2

3x-4=x-2

2 Solve for x in 3x-4=x-2

x=1

3 Substitute x=1 into y=3x-4

y=-1

4 Therefore,

x=1

y=-1

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3 years ago
the diagram shows a scale drawing of a playground. The scale of the drawing is 1:500. Work out the perimeter. Give answer in met
IceJOKER [234]

Answer:

The perimeter of the playground is 65 metres

Step-by-step explanation:

Questions like this requires attachment; See attachment for diagram.

From the diagram, we have the following parameters

Length = 2cm

Width = 4.5cm

Required

Calculate the parameter of the actual diagram

First, the actual length and width has to be calculated;

Given that the scale drawing is 1:500

Actual\ Length = 500 * 2cm = 1000cm

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Now, the perimeter can be calculated;

Perimeter\ of\ a\ Rectangle = 2(Length + Width)

Perimeter = 2(1000cm + 2250cm)

Perimeter = 2(3250cm)

Perimeter = 6500cm

However, the question requires answer to be in meters

If 100 cm = 1 m, then

6500cm = \frac{6500m}{100}

6500cm = 65m

Hence, the perimeter of the playground is 65 metres

6 0
4 years ago
Please help with number 1
bezimeni [28]

Answer:

19.0681

Step-by-step explanation:

Given in the question that,

angle from ted to the dog = 60° with the ground

height of ted from the ground =  16ft

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Considering the scenario make a right angle triangle:

<h3>By using pythagorus theorem:</h3>

Tan 40 = opposite / adjacent

Tan 40 = height / distance between dog and the door

Tan 40 = 16ft / x

x = 16 / tan40

x = 19.068057

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So, the dog need to walk 19.0681ft to reach the open door directly below Ted.

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Answer:

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Answer:

The answer would be 22.

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3 years ago
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