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Rasek [7]
2 years ago
15

Which statement correctly describes this expression? 2m^3 -11

Mathematics
1 answer:
julsineya [31]2 years ago
3 0

Answer:

Option A is the correct answer

Step-by-step explanation:

A. The difference of twice the cube of a number and 11

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Darlene read 35 pages of the book.
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Mr. Kovich is preparing materials for a craft project. He needs to cut 2 meters of string into pieces that are 0.2 meters long.
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Answer:

10 pieces

Step-by-step explanation:

2 divided by 0.2

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I need help solving -13<4x+7
arsen [322]

Answer:

the answer is -5< x

Step-by-step explanation:

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5 0
3 years ago
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.

6 0
2 years ago
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The perimeter of a rectangular pig pen is 310 ft. The length is 15 ft greater than the width. Find the width
Anuta_ua [19.1K]
Width is 70 because 310-30=280
280/4=70
3 0
3 years ago
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