What is the length (magnitude) of the vector (-3,2)?

Mathematics

2 answers:

Sphinxa [80]3 years ago

8 0

Answer: sqrt 13

Step-by-step explanation: AP EX approved

Anit [1.1K]3 years ago

8 0

Answer:

Step-by-step explanation:

is the right answer just took the quiz

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Describe how the graph of y=-x^2+1 differs from y=x^2. Then find the axis of symmetry and the vertex.

nasty-shy [4]

Both the equation show a graph of a parabola. The equation y=-x^2+1 is a parabola opening downward since the x variable has a negative sign. While the equation y=x^2 is also a parabola opening upward since x^2 is positive. Both parabola have axis of symmetry on the y-axis. Vertex for the first parabola is on (0,1) while the second parabola is at the origin.

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4 years ago

Can you please help me with the three questions on there, they all are different.

Vesnalui [34]

1. A=(0,4)
2. B=(4,1)
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3 years ago

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20.<br>Find the slope of a line parallel to 3x - y = 1

Olenka [21]

Answer:

m=3

m=Slope

Step-by-step explanation:

In order to find the slope of a line parallel to 3x-y=1

you must look at standard form form y=mx+b

the slope is m

so then m=3

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3 years ago

Amir buys a new car for £16470. The value of the car will depreciate by 2% each year. Work out how much amir's car will cost aft

Ronch [10]

Answer:

Amir's car will cost £10348.88 after 23 years.

Step-by-step explanation:

I finally found a UK human!

This is compound interest so you have to find a decimal multiplier and multiply that with £16470 to the power of 23.

The decimal multiplier would be 0.98. This is because you do 100% - 2% as depreciating basically means a decrease, which gives you 98% and then you divide that by 100 to get your decimal multiplier - 0.98.

16470 × $0.98^{23}$ = £10348.88