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3 years ago

The original price of an airplane ticket is $990. How much will Hazel pay if she buys it during the 20% off sale?

Mathematics

1 answer:

Andrej [43]3 years ago

5 0

Answer:

792 dollars

Step-by-step explanation:

20% of 990= 0.2*990=198

Subtracting this from the total price of the original ticket, you get 990-198=$792. Hope this helps!

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What is the next step in solving 0 = x2 + 6x – 10 by completing the square, after you cut 6 in half?

Lynna [10]

Answer:

see below

Step-by-step explanation:

0 = x^2 + 6x – 10

Add 10 to each side

10 = x^2-6x

Take the coefficient of x

-6

Divide by 2

-6/2 =-3

Square it

(-3)^2 =9

Add 9 to each side

10+9 = x^2-6x+9

We use -3 for the square term

19 = (x-3)^2

Take the square root of each side

±sqrt(19) = x-3

Add 3 to each side

3±sqrt(19) = x

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What is the answer. Pls tell me quick

daser333 [38]

I believe your answer is 4 4/9 as a mixed fraction but it can also be 40/9. Hope this helps :)

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3 years ago

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On a coordinate plane, triangles P Q R and S T U are shown. Triangle P Q R has points (4, 4), (negative 2, 0), (negative 2, 4).

mamaluj [8]

Answer:

The answer is below

Step-by-step explanation:

Two triangles are said to be similar if their corresponding angles are equal and the corresponding sides are in proportion.

The distance between two points on the coordinate plane is given as:

$Distance=\sqrt{(x_2-x_1}^2+(y_2-y_1)^2 \\\\Therefore\ in\ triangle\ PQR:\\\\|QR|=\sqrt{(-2-(-2))^2+(4-0)^2}=4\\\\|PQ|=\sqrt{(-2-4)^2+(0-4)^2}=\sqrt{52}=2\sqrt{13} \\\\|PR|=\sqrt{(-2-4)^2+(4-4)^2}=6$

In triangle STU:

$|ST|=\sqrt{(-1-2)^2+(-2-(-4))^2}=\sqrt{13}\\\\|SU|=\sqrt{(-1-2)^2+(-4-(-4))^2} =3\\\\|TU|=\sqrt{(-1-(-1))^2+(-4-(-2))^2}=2$

|QR| / |TU| = 4/2 = 2

|PR| / |SU| = 6/3 = 2

|PQ| / |ST| = 2√13 / √13 = 2

Hence:

|QR| / |TU| = |PR| / |SU| = |PQ| / |ST|

Therefore, △PQR and △STU are similar triangles since the ratio of their sides are in the same proportion.

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3 years ago

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Sheila is a wildlife biologist. At the beginning of each year, she tracks the wild turkey and white-tail deer population in the

Alexxx [7]

Answer:

total population after a year ≅ 452525

Step-by-step explanation:

Population of wild turkey after a year = 1.4 x 121212 = 169696.8

Population of white-tail deer after a year = 181818 + 101010 = 282828

Hence total population after a year = 169696.8 + 282828 = 452524.8 ≅ 452525

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4 years ago

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Where would 4 cups be placed on the number line

Volgvan

Answer:

Step-by-step explanation:

There are 2 cups in a pint, so 3 cups would be 1.5 pints. :)

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