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4 years ago

8

Algebra 2 problem/graph

1 answer:

jek_recluse [69]4 years ago

7 0

(x+3)(x-4) is likely the solution to the problem.

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PLEASE HELP FAST!!!

rewona [7]

By <em>trigonometric</em> functions and law of cosines, the value of x associated with a <em>missing</em> angle in the <em>geometric</em> system is between 7.701 and 7.856.

<h3>How to find a missing variable associated to an angle by trigonometry</h3>

In this question we have a <em>geometric</em> system that includes a <em>right</em> triangle, whose missing angle is determined by the following <em>trigonometric</em> function:

sin (7 · x + 4) = 12/14

7 · x + 4 = sin⁻¹ (12/14)

7 · x + 4 ≈ 58.997°

7 · x = 54.997°

x ≈ 7.856

In addition, the <em>geometric</em> system also includes a <em>obtuse-angle</em> triangle and that angle can be also found by the law of the cosine:

7² = 8² + 6² - 2 · (8) · (6) · cos (7 · x + 4)

17/32 = cos (7 · x + 4)

7 · x + 4 = cos⁻¹ (17/32)

7 · x + 4 ≈ 57.910°

7 · x ≈ 53.910°

x ≈ 7.701

Hence, we conclude that the value of x associated with a <em>missing</em> angle in the <em>geometric</em> system is between 7.701 and 7.856.

To learn more on triangles: brainly.com/question/25813512

#SPJ1

4 0

2 years ago

-2x+y=-8 and 4x-6y=-24 I need help :(

Varvara68 [4.7K]

Answer: <u>2x+y=-8</u> = <u>x=-1/2y-4 </u>

<u>4x-6y=-24 </u>= <u>x =3/2y-6</u>

Step-by-step explanation:

2x+y=-8 -- Step 1: Add -y to both sides.

2x+y+−y=−8+−y

2x=−y−8

Step 2: Divide both sides by 2.

2x/2=-y-8/2

<h3 />

4x-6y=-24 -- Step 1: Add 6y to both sides.

4x−6y+6y=−24+6y

4x=6y−24

Step 2: Divide both sides by 4.

4x/4=6y-24/4

<h3>brainliest would be appreciated</h3>

3 0

3 years ago

There are 8,253 men and 10,327 women at a state university. If 43% of the men are in business and 27% of the women are in busine

fredd [130]

Answer:

68 students

Step-by-step explanation:

Number of men who major in business in the university= 0.43*8253=3548.79

Rounding off we have 3549 students

Number of women who major in business in the university= 0.27*10327=2788.29

Approximately 2789 students

Total students who major in Business= 3549+2789=6338 students

Total students in school= 8253+10327=18580

Probability of getting business major= 6338/18580

Out of 200 students, we expect

$\frac {6338}{18580} \times 200=68.22389666$

Approximately 68 students will be majoring in business

8 0

3 years ago

Ashish is 175 cm tall his sister Annu is 8% shorter than him what is Annu's height<br><br>pls help

mafiozo [28]

Answer:

8% out of 175 = ( 8 ÷ 100 ) × 175 = 14

175 cm - 14 = 161 cm

...............

7 0

3 years ago

Pyramid P is similar to pyramid Q. The volume of pyramid P is 980 c m cubed, and the volume of pyramid Q is 3307.5 c m cubed. Wh

jeka57 [31]

Answer:

The scale factor is $\frac{3}{2}$

Step-by-step explanation:

The volume of the original prism is $V_P=980cm^3$

The volume of the dilated prism is $V_Q=3307.5cm^3$

Let the scale factor be $k$ .

To find the volume of the dilated prism, we multiplied by $k^3$ .

$\Rightarrow 980k^3=3307.5$

$\Rightarrow k^3=\frac{3307.5}{980}$

$\Rightarrow k^3=\frac{27}{8}$

$\Rightarrow k=\sqrt[3]{\frac{27}{8}}$

$\Rightarrow k=\frac{3}{2}$

8 0

3 years ago