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
ryzh [129]
3 years ago
9

Answer: Need help with this plz

Mathematics
1 answer:
julsineya [31]3 years ago
8 0

Answer:

(a) 3x+28+5x+52+2x-10=180 (∠ sum of Δ)

                          10x+70=180

                                 10x=110

                                     x=11

(b) ∠C = 2x-10

           = 2(11)-10

           =  12°

You might be interested in
The CEO of a local tech company wants to estimate the proportion of employees that are pleased with the cleanliness of the break
Zigmanuir [339]

Answer:

Methods of obtaining a sample of 600 employees from the 4,700 workforce:

Part A:  The type of sampling method proposed by the CEO is Convenience Sampling.

Part B: When there are equal number of participants in both campuses, stratification by campus would give a more precise approximation of the proportion of employees who are satisfied with the cleanliness of the breakrooms than stratification by gender.  Another method to ensure that stratification by campus gives a more precise approximation of the proportion of employees who are satisfied with the cleanliness of the breakrooms than stratification by gender is to ensure that the sample is proportional to the proportion of each campus to the whole population or workforce.

Step-by-step explanation:

A Convenience Sampling technique is a non-probability (non-random) sampling method and the participants are selected based on availability (early attendees).  The early attendees might be different from the late attendees in characteristics such as age, sex, etc.  Therefore, sampling biases are present.  All non-probability sampling methods are prone to volunteer bias.

Stratified sampling  is more accurate and representative of the population.  It reduces sampling bias.  The difficulty arises in choosing the characteristic to stratify by.

3 0
3 years ago
I'LL GIVE BRAINLIEST IF YOU EXPLAIN THE ANSWER:
USPshnik [31]

Answer:

C) 16 cm^2

Step-by-step explanation:

scale is 1:8 so 2 cm^2x8=16

6 0
2 years ago
Read 2 more answers
Juan baked 250 cookies in 2 hours, How many cookies can he make in 1 minute?
dybincka [34]

Answer:

I would say 2 because the decimal I came out with was 2.09

Step-by-step explanation:

8 0
3 years ago
What is the value of x, the side length of the smallest square (please show work) Thanks!
Ratling [72]

Answer:

8 cm

Step-by-step explanation:

Ok lets on the biggest square we have 17 cm

17cm is the hypotenuse for the right triangle

The second largest's area is 225 cm^2

Sq root of 225 cm^2, is 15

To find x, lets plug the info we have to the pythagorean theorom

a^2 + b^2 = c^2\\a^2 + 15^2 = 17^2\\a^2 + 225 = 289\\\\289 - 225 = a^2\\64=a^2\\a = 8 cm

The side length of the smallest Square is 8 cm

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

7 0
3 years ago
Please answer asap thanks
mylen [45]

its a or c not to sure

8 0
3 years ago
Other questions:
  • Prof. Dumbledore is concerned that Harry, Ron and a few other students are still having some difficulties with significant figur
    5·1 answer
  • What is the gcf of 4a^3 and 9a^4
    5·1 answer
  • There is a door prize of chocolate at the department store. 3/5 of a
    8·1 answer
  • A rectangular picture frame measures 57 cm by 39 cm. What is the perimeter or distance around the picture frame in meters?
    14·2 answers
  • Nevermind. i got the answerrrrrrrr
    11·1 answer
  •  11       12       13       14     A customer buys 17.01 in gas and requests one five dollar [$5] lottery ticket, two one dollar
    5·1 answer
  • Which property justifies the following statement?<br> If x = 2, and y = 3x - 11, then y = 3.2 - 11.
    11·1 answer
  • Find the Balance:
    5·1 answer
  • Please solve for x will make brianlist
    8·1 answer
  • a manufacturer wishes to recieve $4800 for a batch of items. when 1200 items were found to be defective, the selling cost per it
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!