A number from 1-20 is chosen at
random. What is the probability
that it is not prime number.

Answers

Answer 1

Answer:

There are 12 composite (and 8 primes) in the first twenty whole numbers. So the probability of randomly choosing a non-prime is 12/20 or 60%.


Related Questions

Write an explicate formula for this sequence -2, 6, -18, 54

Answers

Answer:

7 =121 and t underscore 15 =193

Step-by-step explanation:

Answer:

[tex]a_{n}[/tex] = - 2 [tex](-3)^{n-1}[/tex]

Step-by-step explanation:

There is a common ratio r between consecutive terms, that is

r = 6 ÷ - 2 = - 18 ÷ 6 = 54 ÷ - 18 = - 3

This indicates the sequence is geometric with explicit formula

[tex]a_{n}[/tex] = a₁ [tex](r)^{n-1}[/tex]

where a₁ is the first term and r the common ratio

Here a₁ = - 2 and r = - 3 , then

[tex]a_{n}[/tex] = - 2 [tex](-3)^{n-1}[/tex]

In AKLM, K = 81 cm, l = 41 cm and M=93º. Find the length of m, to the nearest
centimeter.

Answers

Answer:

90 is the correct answer

The graph of an exponential function is shown on the grid.
Based on the graph, which statement about the function is true?
Answer
A The domain is the set of all real numbers less than 5
B The range is the set of all real numbers less than 0.
C The domain is the set of all real numbers.
The range is the set of all real numbers less than 5.

Answers

Answer:

????

Step-by-step explanation:

Where is the picture?

P.S. I am not answering this question JUST to get points, I will actually revise my answer correctly once you add in a picture! :)

Ted Pappas pays
$4,388.65 in real estate taxes yearly.His property has a market value of
$119,340.00 with a rate of assessmentof 42%. What is his tax rate to the
nearest tenth of a mill?

PLEASE HELP ME THIS IS DUE TODAY!!!!!!!!!!!

Answers

Answer:

$ 501.23

Step-by-step explanation:

Sales Tax Calculations

Net Price is the tag price or list price before any sales taxes are applied.

Total Price is the final amount paid including sales tax.

Sales Tax Amount = Net Price x (Sales Tax Percentage / 100)

Total Price = Net Price + Sales Tax Amount

Solve

Net Price x (Sales Tax Percentage / 100)

119,340.00 x 42%/100

Total Price = Net Price + Sales Tax Amount

501.23

Solve for x. Assume lines that appear to be tangent are tangent

Answers

Answer:

x = 135

Step-by-step explanation:

x = 9x15

= 135

x = 135

I have 10 min left can I get some help

Answers

Answer:

14

Step-by-step explanation:

Answer:

D 18

Step-by-step explanation:

if you look 6 goes down to a 4 so it is resized by 1/3 and 21 resized by a third is 18

Which statement best describes the product of 4/5 x 10?

Answers

Answer:

Step-by-step explanation:

4/5 x 10/1= 40/5

40 divided by 5 equals 8

The answer is 8

help !!!! please serious answers on or get reported in
;))

Answers

answer: 1.75

say you have 1 dollar and 3 quarters, this would give you $1 dollar and 75 cents =1.75

Evaluate tan15°=tan(60°_45°)​

Answers

Answer:

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Step-by-step explanation:

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Jacks puppy weighed 12 pounds at its first veterinary appointment at the second appointment the puppy's weight had increased by 25% what is the weight in pounds of jacks puppy

Answers

Answer:

15 pounds

Step-by-step explanation:

Given  data

Initial weight= 12 pounds

percent increase in weight = 25%

Let us find the increment

=25/100*12

=0.25*12

=3 pounds

Hence the weight in pounds of jacks puppy is

=3+12

=15 pounds

Tim deposits $4,000 into each of two savings accounts.


• Account I earns 3% annual simple interest.
• Account II earns 3% interest compounded annually.


Tim does not make any additional deposits or withdrawals. What is the sum of the balances of Account I and Account II at the end of 2 years?


$8,480
$8,480

$8,483.60
$8,483.60

$8,487.20
$8,487.20

$8,240

Answers

Answer:

I think its $8,480 if not I'm sorry

Answer:

8483.60 I had this question too and decided to help you.

what is the coefficient of 49n+986=-43

Answers

Answer: 49

Step-by-step explanation: A coefficient is the number placed in front of the variable, meaning n is the unknown number, aka variable. Making 49 the coefficient to that variable.

Hope this helps ^^

Answer:

49

Step-by-step explanation:

A coefficient is the numerical or constant quantity placed before or multiplied by a variable.

2) W
All of the following situations can be
represented by the integer 10, except
which one?
A a balloon rises 10 ft into the air
B the stock market gains 10 points
C The town lies 10 It below sea level. Please help!
D Jon received a gift of $10

Answers

B. Hope it helps
#CoL

HELP OMG!! 5+2x twice a number more than 5 ??!!

Answers

Answer:

5+2(6)

5+12 = 17

Step-by-step explanation:

Hope this is what you were talking about.

4) TRUE OR FALSE: Logarithms and Exponentials are inverses of each other 1 point
if their bases are the same!*
True
False

Answers

Answer:

True

Step-by-step explanation:

Logarithmic functions are the inverses of exponential functions. The inverse of the exponential function y = ax is x = ay.

What is the coordinate of the focus
for the following parabola:
(x - 1)^2 = 12(y + 2)

Answers

Answer:

D

Step-by-step explanation:

The required focus of the parabola (x - 1)^2 = 12(y + 2) is (1, 1). Option D is correct.

Given that, equation of the parabola,

[tex](x - 1)^2 = 12(y + 2)[/tex]


What is a parabola?

A parabola is cross-section cut out of the cone and represented by an equation [tex]y = 4ax^2[/tex]. Where a is focus.

Here,
[tex](x - 1)^2 = 12(y + 2)[/tex]
Simplify the above parabola equation to stand equation
[tex]y = \frac{1}{4(f-k)} (x-h)^2 + k[/tex]
[tex]y =\frac{1}{4(1-(-2))} (x - 1)^2 - 2[/tex]
Now comparing above the equation,
vertex of a parabola,
h = 1 and k = -2

And focus
So the coordinate of the focus of the parabola = (h, f)
= (1, 1)      

     

             

Thus, the required focus of the parabola (x - 1)^2 = 12(y + 2) is (1, 1). Option D is correct.


Learn more about parabola here:

brainly.com/question/4074088

#SPJ2

PLEASE HELP I WILL GIVE YOU BRAINLIEST

Answers

Answer

32

Step-by-step explanation:

fffff

sin x = cos 58°
HELP ME WITH THIS

Answers

Answer:

31

Step-by-step explanation:

if sin(x) = cos(y)

then x + y = 90

.

in this case X + 59 = 90 : X = 31

PLEASE HELP I WILL MARK BRANLIEST FOR FIRST AND CORRECT ANSWER AND NO LINKS

Answers

Answer:

I think the Las t answer

Step-by-step explanation:

prime minister and members of the legislature

Answer:

Prime ministierer only :P

Let f (x) = -1/2(x + 2)+ 5
-3 to x=1?
What is the average rate of change for the quadratic function from x=-3 to x=1

Answers

Answer:

Rate of change = -1

Step-by-step explanation:

Given:

f(x) = -½(x + 2)² + 5

Required:

Average rate of change from x = -3 to x = 1

Solution:

Rate of change = [tex] \frac{f(b) - f(a)}{b - a} [/tex]

Where,

a = -3,

f(a) = f(-3) = -½(-3 + 2)² + 5 = -½(-1)² + 5 = 4.5

b = 1,

f(b) = f(1) = -½(1 + 2)² + 5 = -½(9) + 5 = 0.5

Plug in the values into the formula:

Rate of change = [tex] \frac{0.5 - 4.5}{1 - (-3)} [/tex]

Rate of change = [tex] \frac{-4}{4} [/tex]

Rate of change = -1

69.92 divided by 7.6

Answers

Answer:

9.2

Step-by-step explanation:

hope it helps

The scatter plot shows how much puppy weighs within a certain time period. about how much did the puppy gain during this time period?

Answers

Where is the picture to answer it?

Mhanifa please help this is due asap

Answers

Answer:

#1

x/ 6 = 4/8 ⇒ x = 3y/10 = 4/8 ⇒ y = 5

#2

x / 12 = 10 / 15 x = 12*2/3x = 8

#3

x/ (x + 2) = 5/66x = 5x + 10x = 10

verify the following
1. (-3/4)3 = -27/64

Answers

The correct answer would be -9/4

Find the surface area of the triangular pyramid

Answers

Answer:

[tex](16 \times 13 \times 0.5) \times 4 + 13 \times 13[/tex]

Jenny's recipe for pancakes requires 2 cups of milk. The recipe about 15 pancakes.

Answers

Answer:

A

Step-by-step explanation:

In circle D, line AB is perpendicular to line CD. Use the diagram to answer a-b. Leave answers in radical form when necessary.

Answers

Answer:

AB = 48

AD = 7√2

Step-by-step explanation:

since AD - 26, DB = 26 and DC = 26

AE² = 26² - 10² = 676 - 100 - 576

AE = √576 = 24

AB = 2 x 24 = 48

If arc BC is 45°, then ∠BDC = 45°

AD² = 7² + 7² = 49 + 49 = 98

AD = √98 = 7√2

y = 5 (0.3)? Is this exponential growth or decay?

Answers

I believe it is exponential growth

Answer: decay

Step-by-step explanation:

Maria's fish tank has 17 liters of water in it. She plans to add 6 liters per minute until the tank has more than 47 liters. What are the
possible numbers of minutes Maria could add water?
Use t for the number of minutes.
Write your answer as an inequality solved for t.

Answers

Answer:

t < 5

Step-by-step explanation:

47 > 6t + 17

30 > 6t

5 > t

t < 5

Tell whether each event is impossible, unlikely, as likely as not, likely, or certain. Rolling a number cube and getting a number that is less than 7.

Answers

Answer:

Certain

Step-by-step explanation:

The answer is certain because all the numbers on a cube are less than 7. So it's impossible to get a number more than 7, or equal to 7.

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