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3 years ago

Could anyone Help? Please

Mathematics

1 answer:

GrogVix [38]3 years ago

7 0

Answer:

a.2^(a+b+c)

b.2^(a+b+a-b)=2^(2a)or 4^a

c.2^(a+b+c)/2^(a+b)=2^(a+b+c-a-b)=2^c

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Find all degree solutions in the interval 0° ≤ θ < 360°. If rounding is necessary, round to the nearest tenth of a degree. Us

xenn [34]

Answer:

$\theta_{1} \approx 30.473^{\textdegree}$

$\theta_{2} \approx 120.473^{\textdegree}$

$\theta_{3} \approx 210.473^{\textdegree}$

$\theta_{4}\approx 300.473^{\textdegree}$

Step-by-step explanation:

The equation needs to be rearranged in terms of one trigonometric function:

$5\cdot \sin 2\theta - 9\cdot \cos 2\theta = 0$

$5\cdot \tan 2\theta - 9 = 0$

$5\cdot \tan 2\theta = 9$

$\tan 2\theta = \frac{9}{5}$

$\theta = \frac{1}{2}\cdot \tan^{-1} \left(\frac{9}{5} \right)$

The tangent function has positive values in the 1st and 3rd Quadrants. Then, the solutions are:

$\theta_{1} \approx 30.473^{\textdegree}$

$\theta_{2} \approx 120.473^{\textdegree}$

$\theta_{3} \approx 210.473^{\textdegree}$

$\theta_{4}\approx 300.473^{\textdegree}$

3 0

3 years ago

Somebody please help algebra nation doesn’t help

Elena L [17]

What the question is really asking for is the x-intercept (the point at which the graph crosses the x-axis), which, according to the graph, is 6.

3 0

3 years ago

Solve for p 9(p-4)=-18

ella [17]

Answer:

The answer is

Step-by-step explanation:

9(p-4)=-18

First expand the terms in the bracket

that's

9p - 36 = - 18

Group like terms

Send the constants to the right side of the equation

That's

9p = - 18 + 36

9p = 18

Divide both sides by 9

That's

9p/9 = 18/9

We have the final answer as

Hope this helps you

5 0

3 years ago

Read 2 more answers

What is the value of x?<br><br><br><br> Enter your answer in the box.<br><br> x =

Oliga [24]

$\star \blue{ \frak{To \: find :}}$

$\\ \\$

value of x

$\\ \\$

$\star \blue{ \frak{solution:}}$

$\\ \\$

So to find value of x , we have to apply Linear Pair.

$\\ \\$

<u>Equation formed:</u>

$\\ \\$

$\bigstar \boxed{ \tt(10x - 20) \degree + (6x + 8)\degree = 180 \degree} \\$

$\\ \\$

<u>Step by step expansion:</u>

$\\ \\$

$\dashrightarrow \sf(10x - 20) \degree + (6x + 8)\degree = 180 \degree \\$

$\\ \\$

$\dashrightarrow \sf10x - 20 \degree + 6x + 8\degree = 180 \degree \\$

$\\ \\$

$\dashrightarrow \sf10x +6x- 20 \degree + 8\degree = 180 \degree \\$

$\\ \\$

$\dashrightarrow \sf16x- 20 \degree + 8\degree = 180 \degree \\$

$\\ \\$

$\dashrightarrow \sf16x- 12\degree = 180 \degree \\$

$\\ \\$

$\dashrightarrow \sf16x = 180 \degree + 12\degree\\$

$\\ \\$

$\dashrightarrow \sf16x =192\degree\\$

$\\ \\$

$\dashrightarrow \sf \: x = \frac{192\degree}{16\degree} \\$

$\\ \\$

$\dashrightarrow \sf \: x = 12 \degree$

$\\ \\$

$\therefore \underline {\textsf{\textbf{Value of x is \red{12\degree}}}}$

4 0

2 years ago

Read 2 more answers

I want help! Please

Sedbober [7]

Answer:

145

Step-by-step explanation:

125+75+150+175+200= 725

725÷5=145

6 0

3 years ago

Read 2 more answers