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salantis [7]
3 years ago
6

Can you draw a square with a perimeter of 20 units

Mathematics
1 answer:
gavmur [86]3 years ago
4 0
Yes

 for a square
P=4s
s=legnth o side
since all sides are equal
20=4s
divide 4
5=s

each sie is 5 units
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A right triangle has side lengths a, b, and c as shown below.
Musya8 [376]

Answer:

\bold{\sin x = \frac{b}{c}}\bold{\\\cos x = \frac{a}{c}}\bold{\\\tan x = \frac{b}{a}}

Step-by-step explanation:

Given that

A right triangle has side lengths a, b, and c

Because you did not attached photo of the right triangle so I will assume that:

  • Side a is the adjacent (A)
  • Side b is the opposite (O)
  • Side c is the hypotenuse (H)

(Please have a look at the attached photo)

To solve for the trigonometric functions of x, we need to recall the ratios they represent as shown below.

\sin x = \frac{O}{H}\\\cos x = \frac{A}{H}\\\tan x = \frac{O}{A}

EX: the sine of x is equal to the side opposite of angle x over the hypotenuse. Hence, we have the expressions of the trigonometric functions as shown below:

\bold{\sin x = \frac{b}{c}}\bold{\\\cos x = \frac{a}{c}}\bold{\\\tan x = \frac{b}{a}}

Hope it will find you well

4 0
2 years ago
A rational expression simplifies to 3. the denominator of the original expression is given. which polynomial is the numerator?
4vir4ik [10]

The polynomial within the numerator is 9x²+45x+54.

Given the denominator of the initial expression is \frac{?}{3x^2+15x+18} and also the rational expression simplifies to three.

A mathematical expression which will be rewritten to a rational fraction, an algebraic fraction specified both the numerator and therefore the denominator are polynomials. and a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables.

Let's take the polynomial within the numerator is k.

So, rewrite the given expression as

\frac{k}{3x^2+15x+18}=3

or it also can be written as

\frac{k}{3x^2+15x+18}=\frac{3}{1}

Cross multiply either side as a×d=b×c where a=k, b=3x²+15x+18, c=3 and d=1 and acquire

k=3(3x²+15x+18)

Simplify the above expression,

k=9x²+45x+54

Hence, the polynomial within the numerator within the given expression \frac{?}{3x^2+15x+18} which is simplified to 3 is 9x²+45x+54.

Learn about rational expression from here brainly.com/question/3764404

#SPJ4

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1 year ago
Express the function G in the form f∘g. (Enter your answers as a comma-separated list. Use non-identity functions for
shepuryov [24]

Answer:

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2 years ago
Find the slope of the line that passes through (64, -7) and (54, 67).
rjkz [21]
The slope is -37/5

Hope this helps!
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What is the common difference of 31, -169, -369, -569?
san4es73 [151]

Answer:

31 is a positive number, while -169, -369, and -569 is negative.

Step-by-step explanation:

Negative numbers, are numbers less then 0 and include a negative sign that looks like this "-".

Positive numbers are numbers above 0 and don't include a negative sign.

-169, -369, and -569 is negative because they have a negative symbol and the number is below 0, while 31 is positive because it's above 0 and doesn't include a negative sign.

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