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lilavasa [31]
2 years ago
14

7. answer please and thank u

Mathematics
1 answer:
Fantom [35]2 years ago
5 0

The measure of the missing side is 3x^3 +2x - 7y + 9

<h3>Perimeter of a triangle</h3>

The perimeter of a triangle is equal to the sum of all the sides of the triangle. Mathematically;

P = s1 + s2 + s3

where;

s1 = s2 = -8x^3 + 2

P = -13x^3 + 2x - 7y + 3

Substitute the given parameters

-13x^3 + 2x - 7y + 3 = s3. + 2(-8x^3 + 2)

-13x^3 + 2x - 7y + 3 = s3 - 16x^3 -4

s3 =  -13x^3 + 2x - 7y + 3 + 16x^3 + 6

s3 = 3x^3 +2x - 7y + 9

Hence the measure of the missing side is 3x^3 +2x - 7y + 9

learn more on perimeter of triangle here: brainly.com/question/24382052

#SPJ1

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7. Find the value of x in the triangle. Show work to receive credit. (2 points)
inna [77]

Problem 7

This triangle is an equilateral triangle. All sides are the same length (some unknown number which we don't care about). All angles are the same measure each 60 degrees. Set this expression equal to 60 and solve for x

25x - 15 = 60

25x - 15+15 = 60+15 ... add 15 to both sides

25x = 75

25x/25 = 75/25 .... divide both sides by 25

x = 3 which is the answer we want

==================================================

Problem 8

For this problem, I've decided to break up the work into separate image files to show how I did the steps. Otherwise, it might be really cluttered to have everything typed here on the same page.

To get the coordinates of point E, check out the image labeled "figure 1". For point G, look at "figure 2".

For proof that EG is parallel to BC, look at "figure 3"

For proof that segment EG is half the length of segment BC, look at "figure 4"

Finally, I've drawn on the diagram to visually show what it all looks like as a summary in "figure 5"


7 0
3 years ago
How many times does 20 go into 286?
photoshop1234 [79]
14 (286/20 = 14,3) you just need to remove the decimal and you can see how many times it can enter
6 0
4 years ago
Read 2 more answers
PLEASE ANSWER ASAP
hjlf
It is known
 \dfrac{\pi}{6} =30^{\circ} and 
 \cos \dfrac{\pi}{6}= \dfrac{ \sqrt{3} }{2} (if you want to determine cosine of 30° you should draw the perpendicular line to the x-axis and find the point of intersection, the value of x-coordinate is the cosine of 30°).

The angle \dfrac{5\pi}{6} =150^{\circ} and
\cos \dfrac{5\pi}{6}=- \dfrac{ \sqrt{3} }{2} (see image).
The angle \dfrac{7\pi}{6} =210^{\circ} and

\cos \dfrac{7\pi}{6}=- \dfrac{ \sqrt{3} }{2} (see image).


5 0
3 years ago
Read 2 more answers
Solve for x. please i need know
miss Akunina [59]

Answer:

x = 18

Step-by-step explanation:

Vertically opposite angles are equal.

x + x + x + 90 = 144

         3x + 90 = 144  

Subtract  90 from both sides

                 3x = 144 - 90

                 3x = 54

Divide both sides by 3

                   x = 54/3

x = 18

4 0
3 years ago
Two friends, Devon and Bryce, are working together at the Oakland Cafe today. Devon works every 2 days, and Bryce works every 9
ludmilkaskok [199]

Answer:

11 days before they worked together

5 0
3 years ago
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