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3 years ago

AyudaaAAA DOY CORONA

Mathematics

1 answer:

mel-nik [20]3 years ago

8 0

Answer:

uhhhh I dont speak Spanish

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4 years ago

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Hitman42 [59]

Median as there is an outlier (anomaly)

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4 years ago

Use the completing the square method to find the roots of 2x^2+3x-15=13 include the steps, it would be greatly appreciated thank

Monica [59]

Answer:

The roots are

$x1= \frac{-3+\sqrt{233}}{4}$

$x2= \frac{-3-\sqrt{233}}{4}$

Step-by-step explanation:

we have

$2x^{2}+3x-15=13$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$2x^{2}+3x=13+15$

$2x^{2}+3x=28$

Factor the leading coefficient

$2(x^{2}+(3/2)x)=28$

Complete the square. Remember to balance the equation by adding the same constants to each side

$2(x^{2}+(3/2)x+(9/16))=28+(9/8)$

$2(x^{2}+(3/2)x+(9/16))=233/8$

$(x^{2}+(3/2)x+(9/16))=233/16$

Rewrite as perfect squares

$(x+(3/4))^{2}=233/16$

square root both sides

$(x+\frac{3}{4})=(+/-)\sqrt{\frac{233}{16}}\\ \\(x+\frac{3}{4})=(+/-)\frac{\sqrt{233}}{4}\\ \\x= -\frac{3}{4}(+/-)\frac{\sqrt{233}}{4}$

$x1= -\frac{3}{4}(+)\frac{\sqrt{233}}{4}=\frac{-3+\sqrt{233}}{4}$

$x2= -\frac{3}{4}(-)\frac{\sqrt{233}}{4}=\frac{-3-\sqrt{233}}{4}$

7 0

3 years ago

A ______ is a deduction from the original price of an item.

attashe74 [19]

Answer:

Discount

Step-by-step explanation:

A <u>discount</u> is a deduction from the original price of an item.

7 0

2 years ago

Read 2 more answers

Instructions: Given the following image of two parallel lines cut by a transversal, find the value of x.

grigory [225]

Both angles are equal so x=9

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3 years ago

AyudaaAAA DOY CORONA​

AyudaaAAA DOY CORONA