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3 years ago

11

Helpppppppp please ugh

2 answers:

astra-53 [7]3 years ago

4 0

answer is the two middle one because there both the same answer and the formula says y=x-6 which mean u subtract y from 6 and you'll get the answer the middle 2 answer matches the line so they are correct

melisa1 [442]3 years ago

4 0

Answer is the middle one

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Side AB is 18, Side AC is 9, Side BC is 5. Find the SinA. Give your answer in fraction and decimal form.

Sladkaya [172]

Input data

In any right triangle, the sine of an angle x is the length of the opposite side (O) divided by the length of the hypotenuse (H). In a formula, it is written as 'sin' without the 'e':

$\begin{gathered} \sin A=\frac{5}{18} \\ \sin A=0.277 \end{gathered}$

7 0

1 year ago

which of the following expresses the coordinates of the foci of the conic section shown below? (x-2)^2/4+(y+5)^2/9

elena55 [62]

Step-by-step explanation:

$\frac{(x - 2) {}^{2} }{4} + \frac{(y + 5) {}^{2} }{9} = 1$

This is the equation of the ellipse. Since the denominator is greater for the y values, we have a vertical ellipse. Remember a>b, so a

The formula for the foci of the vertical ellipse is

(h,k+c) and (h,k-c).

where c is

Our center (h,k) is (2, -5)

${c}^{2} = {a}^{2} - {b}^{2}$

Here a^2 is 9, b^2 is 4.

${c}^{2} = 9 - 4$

${c}^{2} = 5$

$c = \sqrt{5}$

So our foci is

$(2, - 5 + \sqrt{5} )$

and

$(2, - 5 - \sqrt{5} )$

6 0

2 years ago

Analyze the student’s work. Is the answer correct? Explain.<br><br> Ik its not B

neonofarm [45]

Answer:

im not 100 percent sure but i think he right

Step-by-step explanation:

6 0

3 years ago

A growing farming conglomerate increases its water usage at a rate of 10% every year. If it

Elena-2011 [213]

The quantity of water the farming conglomerate would use 17 years from now is 65,708.11.

<h3>What is the amount of water that would be used 17 years from now?</h3>

The formula for calculating the amount of water that would be needed 1 years from now:

FV = P (1 + r)^N

FV = Future value
P = Present value
R = interest rate
N = number of years

13000 x 1.1^17 = 65,708.11

To learn more about future value, please check: brainly.com/question/18760477

8 0

2 years ago

Pls help I’ll brainlest ASAP

Dmitry_Shevchenko [17]

Substract by 12 from 42, and keep going down until you hit -54, which is 8 hours!

4 0

3 years ago