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
enot [183]
3 years ago
13

Help me plz i dont understand how t=40​

Mathematics
1 answer:
timama [110]3 years ago
4 0

Answer:

t=40

Step-by-step explanation:

The sum of all angles in a triangle will always equal 180°. This means that:

(2t-42)+(4t-49)+(2t-49) = 180°

Let's solve this equation!

(2t-42)+(4t-49)+(2t-49) = 180

First we simplify what's on the left side:

2t-42+4t-49+2t-49 = 180

2t+4t+2t-42-49-49 = 180

8t-140 = 180

*Add 140 to both sides

8t = 180+140

8t = 320

Divide both sides by 8 to know what t means:

t = 320/8

t = 40

You might be interested in
"More than 60% of the students scored below the mean on the last test." Can this statement be true? Why or why not?
Lelu [443]
The mean is the average of a set of numbers.

So if the remaining 40% of students score 100 points, and the 60% score like 50 points, then the mean would still be 70 points because of the 40% of students that scored super high.

So yes, it can be true.
8 0
4 years ago
Read 2 more answers
1. Tony has a bag of 10 marbles. 4 red, 3 yellow, and 3 blue marbles. Tony picks two marble without replacement.
AlexFokin [52]

Answer:

the probability that he chooses are red marable first is 40%and for yellow it is 30% or all together 70%

Step-by-step explanation:

sense their is 4 red marable but that over 10 bc ten is your total of all then divide 4/10 and you get 40%

and for yellow their is 3 marable 3/10 bc ten is your total of all then divide and u get 30% and add both for them together

I hoped I helped I tried my best

3 0
4 years ago
Please help with this
muminat

Answer:

Linear

Step-by-step explanation:

There is a linear slope! Hope this helps

6 0
4 years ago
21. Andre grew a plant for a science experiment. At the end of his
kotegsom [21]

Answer:

he answer is 140 minutes to plant 14 saplings.

Step-by-step explanation:

30 divided by 3=10

so it takes 10 minutes to plant one sapling.

10x14=140 so this is how you get your answer. im 99% sure

4 0
3 years ago
Read 2 more answers
The following items appear on the balance sheet of a company with a
Setler [38]

Answer: 1. C,  2. C

Step-by-step explanation:

Salaries payable is C (a Current Liability) This is so because the company owes salaries to its workers which were left unpaid as at the end of the year. This amount is reported on the balance sheet as one of the company's current liabilities.

2. Current portion of a long term debt is C(a current liability) This is so because the amount of the loan principal that will be due within one year of the date of the balance sheet is yet to be paid. This amount is reported on the balance sheet as one of the company's current liabilities.

4 0
3 years ago
Other questions:
  • The last answer says<br><br> Amount of growth in inches per day of the second plant
    6·1 answer
  • Mr. Thom makes $25,900/year salary as a document processor. He has made the following chart in order to divide his weekly payche
    13·2 answers
  • Which steps are needed to solve this equation?
    14·2 answers
  • What’s the probability of getting each card out of a deck?
    12·1 answer
  • The next model of a sports car will cost 13.1% less than the current model. The current model costs
    14·1 answer
  • Find the surface area of each triangular prism. Round to the nearest tenth if necessary.
    5·2 answers
  • HELP DUE IN 60 MINS!
    5·1 answer
  • The info is in the picture!
    7·1 answer
  • Laurie needs at least 40 pounds of topsoil for a new flower bed. Each bag of topsoil is 200 ounces. Laurie determines that if sh
    11·2 answers
  • Mark the congruent parts of the triangles and complete the proof
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!