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Naddika [18.5K]

3 years ago

5

Find the exterior angle of a 15-gon

1 answer:

den301095 [7]3 years ago

3 0

$\bf \textit{sum of all exterior angles in a polygon}\\\\ n\theta =360~~ \begin{cases} n=\textit{number of}\\ \qquad sides\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ n=15 \end{cases}\implies 15\theta =360\implies \theta =\cfrac{360}{15}\implies n=24$

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The real part of the complex number –5 + 3i is

photoshop1234 [79]

Answer:

-5

Step-by-step explanation:

The real part of -5 + 3i is -5, and the imaginary part is 3.

7 0

2 years ago

I think I have the answer but can anyone help?

kodGreya [7K]

Answer:

d 21.94

Step-by-step explanation:

11.99×4.99+2.09+2.09+.78=21.94

8 0

3 years ago

In ΔRST, r = 5 cm, t = 6.8 cm and ∠T=23°. Find all possible values of ∠R, to the nearest 10th of a degree.

8090 [49]

Answer:

$\angle r=16.696$

Step-by-step explanation:

From the question we are told that:

Dimension

r = 5 cm

t = 6.8 cm

∠T=23°

Generally the equation of sine rule i is mathematically given by

$\frac{sin \angle r}{R} =\frac{sin \angle t}{T}$

$\frac{ \angle r}{1} =sin^-^1(\frac{sin \angle t*R}{T})$

$\frac{ \angle r}{1} =sin^-^1(\frac{sin23*5}{6.8})$

$\angle r=16.696$

3 0

2 years ago

Enrique can spend at most $2240 to renovate his home. One roll of wallpaper costs $32, and one can of paint costs $28. He needs

umka2103 [35]

The possible solution is having 30 rolls of wallpaper and 20 can of paints or 30 rolls of wallpaper with 46 can of paint.

<h3>Inequality</h3>

Inequality is the non equal comparison of two or more numbers and variables.

Let x represent the number of wallpapers and y represent the number of cans.

He needs at least 30 rolls of wallpaper and at least 20 cans of paint. Hence:

x ≥ 30 (1);

y ≥ 20 (2)

Also:

32x + 28y ≤ 2240 (3)

Plotting the 3 equations using geogebra online graphing tool, the possible solution is:

(30, 20), (30, 46)

The possible solution is having 30 rolls of wallpaper and 20 can of paints or 30 rolls of wallpaper with 46 can of paint.

Find out more on Inequality at: brainly.com/question/24372553

6 0

2 years ago

Please help!!!! BRAINLIEST for whoever is correct!! What is the difference of the rational expressions below?

Nostrana [21]

Answer:

<h2> $\frac{3x + 25}{5 {x}^{2} }$ </h2>

Step-by-step explanation:

$\frac{x + 5}{ {x}^{2} } - \frac{2}{5x}$

Write all the numbers above the least common denominator ${5x}^{2}$

$\frac{5(x + 5) - 2x}{5 {x}^{2} }$

Distribute 5 through the parentheses

$\frac{5x + 25 - 2x}{5 {x}^{2} }$

Collect like terms

$\frac{3x + 25}{5 {x}^{2} }$

Hope this helps...

Good luck on your assignment...

6 0

3 years ago

Read 2 more answers