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
kicyunya [14]
3 years ago
15

Help me! this is hard! i don't understand

Mathematics
1 answer:
LekaFEV [45]3 years ago
8 0
I believe AC=3 inches
You might be interested in
Solve for the value of k. (k+8) 400​
pashok25 [27]

Answer:

value of k = 6

Step-by-step explanation:

sum of all angles forming a straight line = 180°

so,

  • 7k + 8 + 90 + 40 = 180
  • 7k + 138 = 180
  • 7k = 180 - 138
  • 7k = 42
  • k = 42/7
  • k = 6

hence the value of k = 6

3 0
3 years ago
3. What is the 9th term in the following sequence? 11, 17, 23, 29, . . . (1 point) 47 53 59 65
KatRina [158]
Since the common difference is 6, we can assume that the sequence is arithmetic, with rule
T(n)=6n+5  where T(1)=11
T(9)=6(9)+5=59
5 0
3 years ago
Can someone help will mark brainlist
Marina86 [1]

Answer:

See below

Step-by-step explanation:

the common ratio, r <1    so it CONVERGES    (r = 1/2 in this series)

sum = a1 ( 1-r^n) / (1-r) =  1000(1-.5^10)/(1-1/2) = ~1998

    for n= 30    this results in ~~2000

As it continues, the terms get smaller and smaller and the SUM converges on 2000.

3 0
2 years ago
A model of a 39 foot tall building was made by using the scale 1 in : 4.5 feet. What is the height of the model? Round your answ
Gnom [1K]
1 / 4.5 = x / 39....1 inch to 4.5 ft = x inches to 39 ft
cross multiply
(4.5)(x) = (1)(39)
4.5x = 39
x = 39 / 4.5
x = 8.7 inches <==

7 0
3 years ago
Emory ran 3 miles in 30 minute. At this pace, how long will it take Emory to run 9 miles? Explain your method AND your reasoning
kvasek [131]

Answer:

It will take him 1 hour and 30 minutes. (90 minutes)

Step-by-step explanation:

If he is running 1 mile in 10 minutes and he needs to run 9 miles the just multiply 9 by 10 to get 90 then simplify if you need to to get 1 hour and 30 minutes.

Hope this helped and have a great rest of your day.

3 0
3 years ago
Other questions:
  • Gail ran 4 6/10 miles on Saturday and 6 8/10 miles on Sunday. How many miles did Gail run over the weekend?
    8·1 answer
  • Dan earns £9.70 per hour. How much will he earn for 5 hours work?
    6·2 answers
  • A right triangle has legs that are 15 feet and 25 feet long.
    10·2 answers
  • This figure is made up of two rectangular prisms.
    5·1 answer
  • HELP PLZ<br> WILL NAME YOU
    8·1 answer
  • Which of the following best describes the number of solutions to the system of equations below?
    11·2 answers
  • Ysaac, médico de turno en una clínica local, deja encargado a la enfermera Elisa la dosis de Panadol (mg) para todos los pacient
    11·1 answer
  • A. simplify and factor the following expression
    11·2 answers
  • What is the expression 3 fewer than k
    15·1 answer
  • What is your 95% credible interval for the number of people who will be alive in the year 3000 CE (including digital people)? Ex
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!