1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Airida [17]
3 years ago
13

Solve for y. Enter your answer in the box. An equilateral triangle A B C. Side B C is the base. Sides A B, B C, and A C are equa

l. Sides A B, B C, and A C are labeled with single tick marks. Angle A is labeled as left parenthesis 5 y plus 10 right parenthesis degrees, and angle C is labeled as left parenthesis 6 x plus 6 right parenthesis degrees.
Mathematics
1 answer:
Strike441 [17]3 years ago
6 0

Answer:

y = 10

Step-by-step explanation:

By definition, the internal angles of an equilateral triangle are all 60. So:

A = 5y + 10 = 60

5y + 10 = 60

5y + 10 - 10 = 60 - 10

5y = 50

5y/5 = 50/5

y = 10

You might be interested in
Social media is popular around the world. Statista provides estimate of the number of social media users in various countries in
amm1812

Answer:

Kindly check explanation

Step-by-step explanation:

The data table :

Use of SM _UK _China _ Russia _US _ col total

Yes ______480 __215 ___343 __640 _ 1678

No _______320 _ 285 ___357__ 360 _ 1322

Row Total__ 800 _500 __ 700_ 1000_ 3000

H0 : p1 = p2 = p3 = p4

H1 : p1 ≠ p2 ≠ p3 ≠ p4

Test statistic :

χ² = Σ(observed - Expected)² / Expected

Expected value of each cell = (Row total * column total) / N

N = grand total

Expected Values:

447.467 _279.667 _ 391.533 _ 559.333

352.533 _ 220.333 _ 308.467 _ 440.667

χ²=(2.36536+14.9527+6.01605+11.6337+3.00232 18.9793+7.63611+14.7665) = 79.352

Degree of freedom, df = (row-1)*(column-1) = (2 - 1) * (4 - 1) = 1 * 3 = 3

Using the Pvalue from Chisquare calculator :

Pvalue(79.352, 3) = 0.00000000001

Decision region :

Reject H0 ; If Pvalue < α

α = 0.05

Since 0.000000001 < 0.05 ; Reject H0 and conclude that not all population proportion are equal.

Sample proportion :

Phat = number of yes, x / total

For UK, Phat = 480/800 = 0.6

For China , Phat = 215/500 = 0.43

For Russia , Phat = 343/700 = 0.49

For US, Phat = 640/1000 = 0.64

7 0
3 years ago
Khali bought a pint of ice cream. How many cups of ice cream does he have
ratelena [41]

Answer:

He will have 2 cups :)

5 0
3 years ago
Read 2 more answers
What is the area of the partial circle with a radius of 8 cm?
lina2011 [118]

notice, the circle is missing 1/4, so the area of it is just 3/4 of the whole area of the circle.


\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=8 \end{cases}\implies A=\pi 8^2\implies A=64\pi \\\\\\ \stackrel{whole}{\cfrac{4}{4}}-\stackrel{one~quarter}{\cfrac{1}{4}}=\cfrac{3}{4}~\hfill \cfrac{3}{4}\cdot 64\pi \implies 48\pi \implies \stackrel{\pi =3.14}{150.72} \\\\\\ ~\hspace{34em}

8 0
3 years ago
Read 2 more answers
What is the lower quartile of the given data set
rodikova [14]

The median of the data would be (20+25)/2, which is 45/2 = 22.5.

The first quartile (Q1), the middle number between the smallest number and the median of the data set, is 9.

The second quartile (Q2) is the median of the data. (22.5)

The third quartile (Q3) the middle value between the median and the highest value of the data, is 35.

Hope this helped!

4 0
3 years ago
Given polygon ABCD with coordinates A(-2,1),B(0,3),C(1,-4),D(-1,-1), if polygon ABCD is rotated 90 degree angle counterclockwise
AVprozaik [17]

I dont know sorry man

4 0
3 years ago
Other questions:
  • What is 0.09 times 64?
    11·2 answers
  • N+10=100 n+10-10=100-10
    6·1 answer
  • HELP ASAP PLEASE!!!! 1. Create a unique equation using the graphic above with the solution (answer) of 36. There are many possib
    13·1 answer
  • The junior class at Summerfield High School sold a total of 375 tickets for their spring festival. The adult tickets sold for $7
    12·1 answer
  • Which expression is equivalent to cos(40°)cos(10") + sin(40°)sin(10º)?
    12·1 answer
  • Stanley drove a race car an average speed of 120 miles per hour for 3 minutes. How far did Stanley drive the race car?​
    5·1 answer
  • Need help pls and thank you
    7·1 answer
  • I have many questions and please do not answer unless your absolutely sure!
    8·1 answer
  • Which phrase best describes f(x), graphed on the coordinate plane below?
    11·1 answer
  • What is the value of |y|+4- y* x if x = 7 and y = -2?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!