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zalisa [80]
1 year ago
15

Determine whether you would use the Law of Sines or the Law of Cosines to solve each triangle. Do not solve the triangle.

Mathematics
1 answer:
Andrej [43]1 year ago
6 0

A triangle is a three-edged polygon with three vertices. Only the law of Sine can be applied to solve the triangle.

<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angles of a triangle is always equal to 180°.

The sum of all three angles can be written as,

118° + 22° + x = 180°

x = 40°

For the sine rule to be applicable, two angles and a side or an angle and two sides are needed. Therefore, the law of Sine can be applied to solve the triangle.

For the cosine rule to be applicable, two sides and an angle between them is needed to be known, hence, the law of cosine can not be applied.

Hence, Only the law of Sine can be applied to solve the triangle.

Learn more about Triangle:

brainly.com/question/2773823

#SPJ1

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vlabodo [156]

Answer:

-x(3x+2)2

Step-by-step explanation:

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2 years ago
Use the picture attached.
Annette [7]

Answer: look honestly I am not sure but Probably it is choice c which is 2 lines of symmetry .

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7 0
1 year ago
A family wants to save for college tuition for their daughter. What continuous yearly interest rate r% is needed in their saving
sergey [27]

Answer:

The continuous yearly interest is  22.5% per year.

Step-by-step explanation:

Continuous yearly interest:

Continuous yearly interest is defined as the sum of the interest comes from principle and the interest comes from interest.

The formula for continuous interest yearly is

A=Pe^{rt}

where A = The final amount =$110,000

P= principle =$4,700

r= rate of interest

t= time (in year)= 14 years

\therefore 110,000= 4,700e^{r\times 14}

\Rightarrow e^{14r}= \frac{110,000}{4,700}

Taking ln both sides

\Rightarrow ln e^{14r}= ln(\frac{110,000}{4,700})

\Rightarrow {14r}= ln(\frac{1100}{47})

\Rightarrow r=\frac{ln( \frac{1100}{47})}{14}

\Rightarrow r = 0.225  (approx)

The continuous yearly interest is 0.225 = 22.5% per year.

4 0
3 years ago
What is the midpoint of (2, -3) and (4, 1)
daser333 [38]

Answer:

The answer is

<h2>( 3 , - 1)</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

M = (  \frac{x1 + x2}{2} , \:  \frac{y1 + y2}{2} )\\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(2, -3) and (4, 1)

The midpoint is

M = ( \frac{2 + 4}{2}   \: , \:  \frac{ - 3 + 1}{2} ) \\  = ( \frac{6}{2}  \: , \:  -  \frac{2}{2} )

We have the final answer as

<h3>( 3 , - 1)</h3>

Hope this helps you

8 0
3 years ago
HELP SOON PLEASE HELP! The dimensions of a rectangle are 8 1/2 cm by 6 3/10 cm. What is the area of the rectangle?
oee [108]

Answer:

Convert 8 1/2 to 8.5 and 6 3/10 to 6.3, and then multiply 8.5 by 6.3.  Answer:

53.55, or, if you reduce 55/100, 53 11/20.

Step-by-step explanation:

6 0
2 years ago
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