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2 years ago

11

What are trigonometric ratios used to find?

2 answers:

defon2 years ago

7 0

Answer:

What are trigonometric ratios used to find?

Well your answer would be: Using Trigonometric ratios to Solve Triangles.

Step-by-step explanation:

The trigonometric ratios can be used to find a lot of information. One of their main purposes is to help you to solve triangles. To solve a triangle means to find the length of all the sides. Also the measure of all the angles.

Hoped this helped, Good Luck and Have a beautiful day!

~Ash W

Dvinal [7]2 years ago

6 0

Well I know it help solve triangles,And to solve a triangle means to find leangth of all sides and the measure of all angles

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17. If the numerator is larger than the denominator, then the value of the fraction is

kipiarov [429]

Answer:

C

Step-by-step explanation:

The numerator being bigger would make it an improper fraction, making it larger than one.

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2 years ago

Over a period of 12 hours, the temperature dropped 60 degrees. What was the average change in temperature in one hour?

dybincka [34]

The change in temperature for 1 hour would be -5. hope this helps.

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2 years ago

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Write y = x2 + 24x + 144 as a square of binomial.

irina1246 [14]

Answer:

$y=(x+12)^2\\$

Step-by-step explanation:

To write a quadratic equation into binomial form we can compare the equation into the completing square form of a quadratic equation like this ,

$y=a(x-h)^2+k$

now since,

$y=x^2+24x+144$

we can equate both the equations from left hand side to right hand side like this,

$x^2+24x+144=a(x-h)^2+k\\$

now we solve,

$x^2+24x+144=a(x-h)^2+k\\x^2+24x+144=a((x)^2-2(x)(h)+(h)^2)+k\\x^2+24x+144=a(x^2-2hx+h^2)+k\\x^2+24x+144=ax^2-2ahx+ah^2+k\\$

now we compare the coefficients of x^2:

$1 = a\\$

now we compare the coefficients of x :

$24=-2ah\\24=-2(1)h\\24=-2h\\\frac{24}{-2}=h\\-12=h\\$

now we compare the constants , (constants are the letters which are not associated with any variable in this case the variable is x)

$144 = ah^2+k\\144=(1)(-12)^2+k\\144=(1)(144)+k\\144=144+k\\144-144=k\\0=k\\$

so now the value we got all the values for the completing square form we plug those in , a = 1 , h = -12 , k = 0 ,

$y=a(x-h)^2+k\\y=1(x-(-12))^2+0\\y=(x+12)^2\\$

this is the square of a binomial, if you want to verify if we expands this formula by the formula of (a + b)^2 we would get the same result. Thus this is the correct answer.

5 0

2 years ago

Bruce has a bottle that contains 60% lemon juice and the rest water. The bottle has 1 liter of water.

Cloud [144]

<span>part A:
Let
t = total the liquid in the bottle including lemon juice and water
so t = lemon juice + water ( w = water, l = lemon juice) so t = l + w
but the bottle has 1 liter of water. and <span>60% lemon juice
</span>contains 60% lemon juice = 0.6, so l = 0.6t and w(water ) = 1 liter
t = l + w
substitute l = 0.6t and w = 1 into t = l + w
now you have equation
t = 0.6t + 1

part B:
from part A, you have equation t = 0.6t +1
solve for t
t = 0.6t +1
subtract 0.6t on both sides
t - 0.6t = 0.6t - 0.6t + 1
simplify
0.4t = 1
divide both sides by 0.4
0.4t/0.4 = 1/ 0.4
simplify
t = 2.5

2.5 liters is total including lemon juice and water
2.5 - 1(1 liter of water) = 1.5 <span>1 liter of lemon juice</span></span>

8 0

3 years ago

Read 2 more answers

An actual Canadian quarter has a diameter of 23.88 mm. Calculate the scale factor used to create the

Alexxandr [17]

Answer:

2.6

Step-by-step explanation:

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2 years ago