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
Nuetrik [128]
3 years ago
11

Help me with these 2 questions

Mathematics
1 answer:
DaniilM [7]3 years ago
7 0

Answer:

A & B

Step-by-step explanation:

You might be interested in
Anyone know the answer ?
liberstina [14]

Answer:

y ≥ -1x +2

Step-by-step explanation:

5 0
3 years ago
Marvin invested 65% of his retirement account in stocks and 35% in gold. Marvin believes that the return to stocks over the next
ser-zykov [4K]

Answer:

1)

the mean rate of return is 17 %

the standard deviation of return is 17.06055

2)

the probability that Marvin's portfolio will make at least 20% over the next 12 months is 0.4325

Step-by-step explanation:

Given the data in the question;

1)

For the portfolio, the mean return and standard deviation are computed as follows;

Mean = Return = 0.65 × 10 + 0.35 × 30

= 6.5 + 10.5

= 17 %

Therefore, the mean rate of return is 17 %

Standard deviation will be;

σp = √( 0.65² × 15² + 0.35² × 40² )

= √( 0.4225 × 225 + 0.1225 × 1600 )

= √( 95.0625 + 196 )  

= √291.0625

= 17.06055  

Therefore, the standard deviation of return is 17.06055

2)  

probability that Marvin's portfolio will make at least 20% over the next 12 months.

P( X > 20 )

we convert to a standard normal variable;

Z = \frac{20-17}{17.06055} )

Z = 0.17

from z table, p-value is;

p( X < 20 ) = 0.5675

P( X > 20 ) 1 - 0.5675  = 0.4325

Therefore, the probability that Marvin's portfolio will make at least 20% over the next 12 months is 0.4325

5 0
3 years ago
Find the value of x.<br><br> Please help and can somebody tell me how to find x?
Olegator [25]

Answer:

x = 75°

Step-by-step explanation:

Sum of the interior angles of a triangle = 180°

Therefore,

78° + 27° + x° = 180°

Add like terms

105 + x = 180

105 + x - 105 = 180 - 105 (substraction property of equality)

x = 75°

4 0
3 years ago
What is 10290292029029298383746473536256353773637363763737373773736366363536536343637825231+100000
Brut [27]

answer:

1.0290292e+82

Step-by-step explanation:

asked my bed

4 0
3 years ago
Read 2 more answers
PLZZZZZZ HELP ME! Find the surface area of this rectangular prism. Write an equation and show your work.
IRINA_888 [86]

Answer:

9 x 3 = 27, 27 x 2 = 54

4 x 3 = 12, 12 x 2 = 24

9 x 4 = 36, 36 x 2 = 72

Add given areas:

54 + 24 + 72 = 150 cm^2 is your answer.

6 0
3 years ago
Other questions:
  • -x + 1/2 = x + 41/2<br> *PLEASE SHOW WORK*
    13·1 answer
  • Short on time, please help!
    5·1 answer
  • NEEEDDD ASAPPP! Eight theater has 500 seats the 3/4 of the seats are filled how many seats are filled?
    10·2 answers
  • I dont understand what I need to do
    9·1 answer
  • What value is x. -2(3x+2)&gt;-8x+6
    8·1 answer
  • The hypotenuse of a 30°-60°-90°
    11·1 answer
  • The table shows the number of toys sold at Penelope's Toys and Games store in different years. Find the rate of change in the nu
    10·1 answer
  • Solve and reduce to lowest terms:<br> 6 / 11 x 1 / 3
    5·2 answers
  • Points A, B, and C are located on a circle, and chords exist between all three points. If the measure of ∠BAC is 88°, what is th
    10·1 answer
  • The first three terms of a sequence are given. Round to the nearest thousandth (ifnecessary).3 33,2'4'Find the 8th term
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!