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erma4kov [3.2K]
3 years ago
5

Which of the following shows the polynomial below written in descending order ?

Mathematics
2 answers:
Igoryamba3 years ago
4 0

Answer:

A. 4x¹¹ + x⁷ + 3x³ - 5x + 9

Step-by-step explanation:

order the exponents from largest to smallest. variables always come first; therefore, -5x before 9

Juliette [100K]3 years ago
4 0
The answer will be A.
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Expressions in 1 variable if x=144. Problem:1/4x-7
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Alenkinab [10]
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2 years ago
Given a 30-60-90 triangle with a long<br> leg of 9 in, determine the length of the<br> hypotenuse.
aniked [119]

Answer:

10.38 in

Step-by-step explanation:

Long side would be opposite to 60°.

Since, side opposite to 60° is root 3 upon 2 times of hypotenuse.

9 =  \frac{ \sqrt{3} }{2} \times hypotenuse \\  \\ hypotenuse =  \frac{9 \times 2}{ \sqrt{3} }  \\  =  \frac{18}{ \sqrt{3} }  =  \frac{18 \sqrt{3} }{3}  = 6 \sqrt{3}  = 6 \times 1.73 \\   \:  \:  \: \red{ \bold{hypotenuse = 10.38 \: in}}

8 0
3 years ago
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soldier1979 [14.2K]
2^{-2} =  \frac{1}{2^{2}} = \frac{1}{4} &#10;

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5 0
3 years ago
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A right pyramid with a square base has a base edge length of 12 meters and slant height of 6 meters. The apothem is meters. The
Kisachek [45]

Answer:

Apothem: 6m

hypotenuse : slant height : 6√2 m

height :6m

volume: 288m2

Step-by-step explanation:

Hi, the correct values are: (image  attached down below)

Base length= 12m

Slant height  is actually = 6√2

So, to calculate the apothem (AC)we apply the Pythagorean theorem:

AB^2 = AC^2 + BC^2

√AB^2 -BC^2 = AC

AC = √(6√2)^2 - 6^2

AC =6 meters

Hypotenuse of ABC = AB =6√2 meters

Height = AC = 6 meters

Volume:

Volume of a pyramid = 1/3 x base area x height

area of a square = side length ^2 = 12^2

V= 1/3 x 12^2 x 6 =288 m2

7 0
3 years ago
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