3 years ago

Why is this answer right? Please explain.

Mathematics

1 answer:

Nadya [2.5K]3 years ago

6 0

Answer:

because you divide them by two

Step-by-step explanation:

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Flauer [41]

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3 years ago

The owner of a flower shop sells 18 roses for $90. What is the cost in dollars per rose?

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Answer:

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Determine the missing factor

kogti [31]

Answer:

2x-1

Step-by-step explanation:

Just solve this way.

(2/3)x-(1/3)=(1/3)y.

Now find y in terms of x.

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2 years ago

Which type of conic section is represented by the equation y = (x-10)^2 - 5?

erastovalidia [21]

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explanation:

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3 years ago

Solve equation by completing the square round to the nearest hundredth if necessary <br> X2-4x-=5

kipiarov [429]

Answer:

x=-1 and x=5

Step-by-step explanation:

we have

$x^{2} -4x=5$

Solve it by completing the square method

We take the coefficient of x that is -4, divide it by 2 and then square it

$-\frac{4}{2}=-2$

square it

$(-2)^2 = 4$

Adds 4 both sides

$x^{2} -4x+4=5+4$

Combine like terms right side

$x^{2} -4x+4=9$

Rewrite as perfect squares

$(x-2)^{2}=9$

take square root both sides

$x-2=\pm3$

$x=2\pm3$

therefore

$x=2+3=5$

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3 years ago