There are four blood types, and not all are equally likely
to be in blood banks. In a certain blood bank, 49% of
donations are type O blood, 27% of donations are type
A blood, 20% of donations are type B blood, and 4%
of donations are type AB blood. A blood bank wants to
know how many donations will be required, on
average, to achieve at least one of each of the blood
types.
is it appropriate to use the geometric distribution to calculate probabilities in the situation?

Answer:

-7 degrees

Step-by-step explanation:

Answer:

[tex] m = 3\sqrt{2} [/tex]

[tex] n = 3\sqrt{2} [/tex]

Step-by-step explanation:

Reference angle = 45°

Opposite = m

Adjacent = n

Hypotenuse = 6

✔️To find m, apply SOH:

Sin 45 = Opp/Hyp

Sin 45 = m/6

m = 6 × Sin 45

[tex] m = 6*\frac{1}{\sqrt{2}} [/tex] (sin 45 = 1/√2)

[tex] m = \frac{6}{\sqrt{2}} [/tex]

Rationalize

[tex] m = \frac{6*\sqrt{2}}{\sqrt{2}*\sqrt{2}} [/tex]

[tex] m = \frac{6\sqrt{2}}{2} [/tex]

[tex] m = 3\sqrt{2} [/tex]

✔️To find n, apply CAH:

Cos 45 = Adj/Hyp

Cos 45 = n/6

n = 6 × Cos 45

[tex] n = 6*\frac{1}{\sqrt{2}} [/tex] (cos 45 = 1/√2)

[tex] n = \frac{6}{\sqrt{2}} [/tex]

Rationalize

[tex] n = \frac{6*\sqrt{2}}{\sqrt{2}*\sqrt{2}} [/tex]

[tex] n = \frac{6\sqrt{2}}{2} [/tex]

[tex] n = 3\sqrt{2} [/tex]

Answer:

4 miles?

Step-by-step explanation:

Answer:

3 miles

Step-by-step explanation:

2+1=3

Answer:

Option B

Step-by-step explanation:

Given the corrected equations from the comment:

Y = -1/2x - 1

Y = 1/4x - 4

(I am assuming from the answer choices  that the 1/2 is negative)

Use a graphing tool to graph the given equations.

When graphed, the lines pass the point (4, -3).

See graph below.

Option B should be the correct answer.

Hope this helps.

Answer:

76.5b

Step-by-step explanation:

Answer:

Exactly 3 factors

Step-by-step explanatin

The number 1001 is a composite number because 1001 can be divided by one, by itself and at least by 7, 11 and 13. A composite number is an integer that can be divided by at least another natural number, besides itself and 1, without leaving a remainder (divided exactly).

The factorization or decomposition of 1001 = 7•11•13. Notice that here, it is written in exponential form.

The prime factors of 1001 are 7, 11 and 13. It is the list of the integer's prime factors.

The number of prime factors of 1001 is 3.

Answer:

Is there an outlier? No. The numbers/data are close to each other and there are no too large or too small numbers

What times where recorded the least? 8.31 and 8.28

How many swimmers took 8.32 minutes than 8.28 minutes? 3

I have no idea what the blanks are supposed to be since there isnt enough information. Sorry!

Answer:

I think this is correct?? can you reuse options at all?

Step-by-step explanation:

odd, >2 = 1/3

even and odd = 1/4

<3, even = 1/6

odd, prime = 1/4

1 and 6 = 1/36

5, <2 = 1/36

Answer:

Has to be 4.

Step-by-step explanation:

Answer:

Maybe 5?

Step-by-step explanation:

If not im really sorry!!!!!!!

Answer:

there is no solution for X

Step-by-step explanation:

Answer:

(f∘g)(−4) = 12

Step-by-step explanation:

Given the functions

f(x)= 3x^2 + 4x - 3

g(x) = -2x-11

Required

(f∘g)(−4)

(f∘g)(x) = f(g(x))

f(g(x)) = f(-2x-11)

f(-2x-11) = 3(-2x-11)^2 + 4(-2x-11) - 3

f(g(x)) = 3(-2x-11)^2 + 4(-2x-11) - 3

f(g(-4)) = 3(-2(-4)-11)^2 + 4(-2(-4)-11) -3

f(g(-4)) = 3(8-11)^2 + 4(8-11) - 3

f(g(-4)) = 3(-3)^2 + 4(-3) - 3

f(g(-4))  = 3(9) - 12 - 3

f(g(-4))  = 27 - 15

f(g(-4)) = 12

Hence (f∘g)(−4) = 12

Answer:

the coordinates of A is:  (0,3) the coordinates of B is: (1,2) the coordinates of C is:

Step-by-step explanation:

The graphs of the 3 given functions can be seen in the image attached below.

To graph all the points (x, y) in a relation:

y = f(x)

Is equivalent to graphing the function.

In this case, we just want to graph the 3 lines:

y = x + 3

y = -x + 3

y = |x| + 3

To graph the first two, we need to find two points on the functions and then connect them with a line.

For the third function we just need to move 3 units up the parent absolute value function.

The 3 graphs can be seen below. (the third function lies on top of the first two, so it is hard to see).

If you want to learn more bout graphing:

https://brainly.com/question/14323743

#SPJ2

Answer:

2 / 3

Step-by-step explanation:

Given the formula :

an= 2(-1.2)^n

At n = 1

a(1) = 2(-1.2)^1 = 2(-1.2) = - 2.4

At n = 2

a(2) = 2(-1.2)^2 = 2(-1.2)^2 ; 2 * 1.44 = 2.88

At n = 3

a(3) = 2(-1.2)^3 = 2(−1.728) ; 2 * - 1.728 = - 3.456

Number of negative numbers from first three term = 2

P(choosing a negative term) =

Number of negative numbers from first three term / total number of terms

= 2/3

Answer:

11012.4

Step-by-step explanation:

4 + 11000 = 11004

11004 + 8.4 = 11012.4

Answer:

C. 5/13

Step-by-step explanation:

Remember SOHCAHTOA

Sine is opposite over hypotenuse. The side opposite the 23° angle is 5, and the hypotenuse is 13.

So, sin 23° = 5/13

The value of sine 23 from the provided triangle can be expressed as [tex]\frac{5}{13}[/tex], option C is correct.

Trigonometry has three fundamental operations: sine, cosine, and tangent. The cotangent, secant, and cosecant are three crucial trigonometric functions that can be derived from these three fundamental ratios or functions. These functions serve as the foundation for all the key ideas in trigonometry.

[tex]Sine x = \frac{opposite}{ hypotenuse. }[/tex]

side opposite = 5,

the hypotenuse= 13.

[tex]sin 23 = \frac{5}{13}[/tex]

Therefore, option C is correct.

Learn more about trigonometry at;

https://brainly.com/question/24349828

#SPJ6

Answer:

RQ = RS = 3

Step-by-step explanation:

Since RQ and RS are radii of the circle then they are congruent

let RQ and RS be x , then

Using Pythagoras' identity in right triangle QRS

x² + x² = (3[tex]\sqrt{2}[/tex] )²

2x² = 18 ( divide both sides by 2 )

x² = 9 ( take the square root of both sides )

x = [tex]\sqrt{9}[/tex] = 3

Thus RQ = RS = 3

Answer:

Step-by-step explanation:

gggggzggzggstf

Answer:

Step-by-step explanation:

It can be anything according to your value added tax.

Answer: A. y=x²-9x+20

Step-by-step explanation:

As we can see from the graph there are two x-intercepts: (4,0) (5,0)

The easiest way we can do, is we plug these two values into each of the choices.

A. y=x²-9x+20

(4, 0) YES

(5,0) YES

B. y=x²-8x+18

(4, 0) NO

(5, 0) NO

C. y=x²+9x+20

(4, 0) NO

(5, 0) NO

D. y=x²+x-12

(4, 0) NO

(5, 0) NO

Therefore, the answer should be y=x²-9x+20

Hope this helps!! :)

Please let me know if you have any questions

Answer:

6 x 2 1/2 + 4 ??? I hope this is correct :)

Step-by-step explanation:

If its not.. I'm so sorry:(

Have a nice day! <3

Answer:

Statement B and statement D are true

Step-by-step explanation:

A game has green and blue pieces. The ratio of

green game pieces to total pieces is 5:12.

Select all the statements that are correct about the game pieces.

A. The ratio of green pieces to blue pieces is 7:5.

B. The ratio of total pieces to blue pieces is 12:7,

C. There must be 7 more blue pieces than green pieces.

D. The ratio of total pieces to green pieces is 12:5.

Ratio of green pieces = 5

Ratio of total pieces = 12

Ratio of blue pieces = Ratio of total pieces - Ratio of green pieces

= 12 - 5

= 7

Ratio of blue pieces = 7

A. The ratio of green pieces to blue pieces is 7:5.

Green pieces : blue pieces = 5 : 7

A is not true

B. The ratio of total pieces to blue pieces is 12:7

Total pieces : blue pieces = 12 : 7

B is true

C. There must be 7 more blue pieces than green pieces.

Blue = 7

Green = 5

There are 2 more blue pieces than green pieces

C is not true

D. The ratio of total pieces to green pieces is 12:5

Total pieces : green pieces = 12 : 5

D is true

Answer:

slope = 1/2

Step-by-step explanation:

slope = y2-y1 / x2-x1

1 - -2 / 4 - -2 = 3/6 = 1/2

or think of it this way. for every 1 step up you take 2 steps to the right to stay on the line. 1/2

Answer:

60% OF 6 = 3.6

         ↓

OF means multiplicatin

60% will turn into a decimal which is

↓

0.6 x 6 = 3.6 :)

Hope this helped!

-Maddison <3

Step-by-step explanation:

Answer:111/60=1.85

Step-by-step explanation: 185is answer

YOUR WELCOME (:

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Answer:

x=5

Step-by-step explanation:

change to x=12-7

subtract

x=5

Answer:

5

Step-by-step explanation:

5 is a number, an expression is, (in mathematics), an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Answer:

option D

5 not represent an expression

hope it helps

Answer:its upside down sir

Step-by-step explanation:

Answer:

Step-by-step explanation:

1- 75

2-  32.5

3- 58

4- 100 (unsure tho)

5- 93 (unsure)

6- 53