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
yawa3891 [41]
2 years ago
15

HURRY PLEASE! I WILL GIVE BRAINIEST

Mathematics
2 answers:
Thepotemich [5.8K]2 years ago
7 0

Answer:

121 ÷ 4 =30.25 so the perimeter is 20.25

Step-by-step explanation:

Dima020 [189]2 years ago
7 0

Answer:

44

Step-by-step explanation:

You might be interested in
Integrate t sec^2 (2t) dt
Neporo4naja [7]
F = t ⇨ df = dt 
dg = sec² 2t dt ⇨ g = (1/2) tan 2t 
⇔ 
integral of t sec² 2t dt = (1/2) t tan 2t - (1/2) integral of tan 2t dt 
u = 2t ⇨ du = 2 dt 

As integral of tan u = - ln (cos (u)), you get : 

integral of t sec² 2t dt = (1/4) ln (cos (u)) + (1/2) t tan 2t + constant 
integral of t sec² 2t dt = (1/2) t tan 2t + (1/4) ln (cos (2t)) + constant 
integral of t sec² 2t dt = (1/4) (2t tan 2t + ln (cos (2t))) + constant ⇦ answer 
8 0
3 years ago
Read 2 more answers
Geometry, any idea?
Pepsi [2]

Answer:

8

Step-by-step explanation:

15x-31+9×+11+×=180

25×-20=180

25×=200

×=8

15(8)-31=89

9(8)+11=83

8

5 0
3 years ago
Robert says the expression 2+3 times 7 and 2+(3 times 7) have the same value. Is Robert correct? Explain your answer and evaluat
erastovalidia [21]
Yes because you multiply first so in this case you multiply 7 and 3 first. Since the second expression is in parenthesis you do that first just like you do 7 times 3. Then you just add 2 to that. The value of both expressions is 23
4 0
3 years ago
Write a recursive formula for each sequence given or described below.
valentinak56 [21]

Answer:

a_{n} =a_{n-1} +3000 and a₁ =30000 for n = 2,3,4,5,6, ......

Step-by-step explanation:

Doug has joined a job with a starting salary of $30000 per year.  

Hence, if a₁ is the salary of Doug in the first year, then  

a₁ =30000

Now, each year Doug will receive a raise of $3000 in his salary.

Hence, in the 2nd year, his salary(a₂) will become ( a₁ +3000) per year.

Again, in the 3rd year, his salary(a₃) will become ( a₂ +3000) per year.

Therefor, in the similar manner the recursive formula for his salary in each year will be given as a_{n} =a_{n-1} +3000 and a₁ =30000 for n = 2,3,4,5,6, ...... {aₙ is the yearly salary of Doug in the nth year} (Answer)

7 0
3 years ago
Kareem wants to write an equation for the data in the table below.
arlik [135]

Answer:

Y = Mx+C (General equation of a straight line)

Step-by-step explanation:

From the data given above, we could deduce that the data has two coefficients (X and Y). The numbers could be used to generate equation of a straight line.

E.g 2x+4 = 5y which is equivalent to

Mx+C = Y

Where C is the constant.

5 0
3 years ago
Read 2 more answers
Other questions:
  • If the measure of angle ABF=6x+26 and the measure of angle EBF=2x9 and measure of angle ABE= 11x-31 find the measure of angle AB
    13·1 answer
  • Which point(s) are on the graph of the following parametric equations?
    15·1 answer
  • Before she started hiking, Jessica’s altimeter read +250 meters. She climbed 200 meters and reached point A, which is at an elev
    14·2 answers
  • Which statement is true about the product (9x2 – 4y2)(3x – 2y)?
    6·1 answer
  • Can I get help on number 7!!!!!
    9·1 answer
  • What is the equation of the line that has a slope of -3 and a y-intercept of -1
    5·1 answer
  • Now do you guys understand the question?? I need help.
    12·1 answer
  • Hector paid $105 for 6 tickets to a hockey game. Each ticket cost the same amount. What was the cost of each ticket in dollars a
    5·2 answers
  • Determine the intercepts of the line.<br><br> y-intercept:<br><br> x-intercept:
    7·1 answer
  • Which set of equations would have infinite solutions?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!