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
Reika [66]
4 years ago
12

Rlly needing some help asap thanks

Mathematics
2 answers:
shepuryov [24]4 years ago
6 0
It's actually quite simple. =)

Since you want to highlight sequences that correspond to, where three coins at least land on tails, you want to highlight any of these following sequences:
HTTT
TTTH
TTHT
THTT

This is because, they each have three coins in them, that landed on tails.
Let me know if this wasn't what you were looking for or need additional help. =) 
olga nikolaevna [1]4 years ago
4 0
Its a 50/50 chance because a coin only has 2 side
You might be interested in
Josie spent 4/7 of the money in her purse on some books, and the rest of the money on 18 markers. Each marker cost $1.20. How mu
Natali [406]
1.20 x 18=21.6 Therefore 3/7 is equal to $21.6. So 21.6/3= 7.2 which is equal to 1/7. If 7.2 is 1/7 that means that 7.2 x 7 which is 50.4 is your answer. So she had $50 and 40 cents. PLEASE MARK BRAINLIEST ANSWER :)
5 0
3 years ago
95 students choose to attend one of three after school activities: footbal,l tennis or running. There are 28 boys. 38 students c
liberstina [14]

Answer:

34/95

Step-by-step explanation:

Since 38 students choose football and 23 students chose tennis, then 95 - 38 - 23 = 34 students chose running. The probability is 34 / 95.

6 0
4 years ago
Jacob spent 3 hours skiing and snowboarding. He skied for 1 hours 25 minutes.
xz_007 [3.2K]

Answer:

1 hour and 35 mins

Step-by-step explanation:

5 0
3 years ago
Which system of linear inequalities is graphed?
ANEK [815]

To determine the system of inequality that has been graphed, we need to be very smart.


Observe that all the equations are the same.


Also note that all the lines are solid. This should tell you that the inequities should involve.


\ge \:or\: \le



Therefore the answer is between option A and B.



So we choose a point in the solution region to discriminate between A and B.


Let us choose the origin since that is easy to evaluate.


We substitute into option A to get.

y\le 3x-1\:and\: x+ 3y \ge 6




0\le 3(0)-1\:and\: 0+ 3(0) \ge 6




0\le -1\:and\: 0\ge 6


The above statements are false



We now substitute into option B



y\ge 3x-1\:and\: x+ 3y \le 6




0\ge 3(0)-1\:and\: 0+ 3(0) \le 6




0\ge-1\:and\: 0 \le 6


Both statements are true, therefore the correct answer is option B.




8 0
4 years ago
1. Derive this identity from the sum and difference formulas for cosine:
kenny6666 [7]

Answer:

See below.

Step-by-step explanation:

1.  (1 / 2)[cos(a – b) – cos(a + b)]

= 1/2 ( cosa cosb + sina sinb - (cosa cosb - sina sinb)

= 1/2 ( cosa cosb - cosa cos b + sina sinb + sina sinb)

= 1/2 ( 2 sina sinb)

= sina sinb.

(I  used the 2 identities   cos(a - b) = cosa cosb + sina sinb) and

cos (a + b) = cosa cosb - sina sinb.)

2.  sin (π/2 - x)  = sin (π/2) cos x - cos(π/2) sin x

     =    1 * cos x - 0 * sinx  

     =   cosx - 0

     = cos x.

  (I used the identity sin(a - b) = sina cosb - cosa sinb

 and the fact that  sin(π/2) = 1 and cos (π/2) = 0. )

7 0
3 years ago
Read 2 more answers
Other questions:
  • Health insurers are beginning to offer telemedicine services online that replace the common office visit. Wellpoint provides a v
    6·1 answer
  • I will give brainliest answer
    9·2 answers
  • What is the solution to the nearest tenth to the equation below?<br><br> 0.3y = -2
    12·1 answer
  • It will take
    8·1 answer
  • Simplify 1/2 (8x-4) +7x
    6·1 answer
  • In the​ 2009-2010 school year in country​ A, there were 115,000 foreign students from country B. This number is ​22% more than t
    10·1 answer
  • The world population in 2013 was about 7.125 billion. In 2003, it was about 6.357 billion. Which number represents the increase
    15·2 answers
  • Given csc(A) = 65/16 and that angle A is in Quadrant I, find the exact value of sec A in simplest radical form using a rational
    6·1 answer
  • Which set of ordered pairs does not represent a function?
    9·1 answer
  • Dulari, a single, member of the military was stationed at Camp Pendleton California on July 1, 2020, Her Henri company transferr
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!