3 years ago

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Mathematics

1 answer:

il63 [147K]3 years ago

5 0

Answer:

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How many solutions does the system have? y=−2x+4

Anna11 [10]

Answer:

There is only one solution and the solution is (0,4).

Step-by-step explanation:

The given system has equations;

$y=-2x+4$

and

$y=x^2-2x+4$

We equate the two equations to determine their point of intersection;

$x^2-2x+4=-2x+4$

$\Rightarrow x^2-2x+2x+4-4=0$

$\Rightarrow x^2=0$

$\Rightarrow x=0$

We put x=0 into the first equation to get;

$y=-2(0)+4=4$

There is only one solution and the solution is (0,4).

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3 years ago

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A section of a tessellated plane is shown. Which type of symmetry does the tessellated plane have?

White raven [17]

Answer:

glide reflection

Step-by-step explanation:

I hope this helps

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3 years ago

The weight distribution of a vehicle specifies that the front wheels carry 55% of the weight. If a certain vehicle weighs 3890 l

mario62 [17]

Answer:

2,139.5 lbs

Step-by-step explanation:

A certain vehicle weighs 3,890 lbs.

The front wheels carry 55% of the weight.

Then,

3,890 lbs - 100%

x lbs - 55%

Write a proportion:

$\dfrac{3,890}{x}=\dfrac{100}{55}$

Cross multiply:

$100x=55\cdot 3,890$

$100x=213,950\\ \\x=2,139.5$

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A lawn service charges 28 dollars per lawn. If the lawn service earns 252 dollars in a day, write an equation to represent the n

miv72 [106K]

$252/$28=9 lawns. $252 is the total money they earned, so divide it by the amount of money they charge per lawn.

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What is the answer to this?

ser-zykov [4K]

Answer:

Step-by-step explanation:

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