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
Radda [10]
3 years ago
13

If a3 = 11 and a5 = 7 and ak is the -th term of the sequence and ak = -9, then what is the value of k?

Mathematics
1 answer:
babymother [125]3 years ago
6 0
An=a3+d

-9=11+-2

2n=26

n=13
You might be interested in
Need help finding the value of O. Please help..
Kruka [31]

Answer:

O=30° or O=29°

Step By Step Explanation:

∠α =arcsin( a/c )

= arcsin(4/8)

= arcsin(0.5)

= 0.5 rad = 30° = 29°

I Hope This Helps. I Gave you 2 answers just in case 1 is Wrong. And I Hope you Understand This Calculation, I Used Different Variables and the arcsin thing is something my teacher told my class to use, and I Have no Idea what it means because my teacher never explained what it meant, Sadly.

7 0
3 years ago
Happy paws charges $19 plus $5.50 per hour to keep a dog during the day. Woof watches charges $10.00 plus $6.75 per hour complet
yan [13]
You easily add up all the numbers.$19.00+$5.50=24.50.24.50+10.00=34.50.34.50+6.75=35.25.So it is $35.25 per hour.
6 0
3 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
prohojiy [21]

Answer:

2.25

Step-by-step explanation:

(6x^{-2})^2(0.5x)^4\\\\=(6^2(x^{-2})^{2})(0.5^4x^4)\ \ \ \ \ \ \ \ \ \ \ \ \ as\ (ab)^m=a^mb^m\\\\=36\times 0.5^4((x^{-2})^2x^4)\ \ \ \ \ \ \ \ \ \ as\ multiplication\ is\ associative\ a(bc)=(ab)c\\\\=36\times 0.0625(x^{-4}x^4)\ \ \ \ \ \ \ \ \ \ \ as\ (x^m)^n=x^{mn}\\\\=(36\times 0.0625)(x^{-4+4})\ \ \ \ \ \ \ \ \ \ \ as\ x^mx^n=x^{m+n}\\\\=2.25x^0\\\\=2.25\ \ \ \ \ \ \ \ \ \ \ \ as\ x^0=1\\\\(6x^{-2})^2(0.5x)^4=2.25

7 0
3 years ago
What is the diameter, in meters of the circular area that gets watered by the sprinkler?
Schach [20]
The answer is 12 m.

Because you're not studying!

Next time do your mom.

3 0
3 years ago
Read 2 more answers
What is the volume of the fuigure.​
Elanso [62]

Answer:

volume = 504

Step-by-step explanation:

the basic formula for volume is length × width

14 x 3 x 3 x 2 x 2 = 504

4 0
2 years ago
Other questions:
  • Juan brought 4 Tshirts and leather jacket. The T shirts were all the same price, and the price of the leather jacket was 6 times
    12·1 answer
  • Replace ∗ with a monomial so that the derived equality will be an identity: (15y + ∗)2 = 225y2+12x3y+0.16x6
    13·1 answer
  • Aiden and his sister saved 360 quarters altogether. Aiden saved twice as many quarters as his sister. If Aiden plans to put his
    6·1 answer
  • Is the mean hemoglobin level of high-altitude workers different from 16 g/cm3
    13·1 answer
  • There were 250 students attending a socon basketball game each row have 15 students how many rows are completely full how many s
    15·1 answer
  • Given the triangle which statement is true?
    5·1 answer
  • The weights of a certain brand of candies are normally distributed with a mean weight of 0.8552 g and a standard deviation of 0.
    10·1 answer
  • EERS
    9·1 answer
  • A cone has a radius of 5. 1 inches and a height of 5 inches. What is the volume of the cone? Use 3. 14 for pi. Round to the near
    5·1 answer
  • Solve for x !<br><img src="https://tex.z-dn.net/?f=x%20%7B%7D%5E%7B2%7D%20%20-%205x%20%2B%206%20%3D%200" id="TexFormula1" title=
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!