4. Subtract 8pʻq'from-5pʻa.

The expected number of queens that you will draw from a standard deck of cards when drawing three cards without replacement is 0.469, or approximately half a queen.

To calculate the expected number of queens that you will draw from a standard deck of cards when drawing three cards without replacement, we can use the formula for expected value:

E(X) = Σ x * P(X = x)

where X is the random variable representing the number of queens drawn, x is the number of queens drawn (in this case, x can take on values of 0, 1, 2, or 3), and P(X = x) is the probability of drawing x queens.

To calculate the probability of drawing x queens, we can use the hypergeometric distribution, which is appropriate for this scenario.

The hypergeometric distribution describes the probability of drawing x successes (queens in this case) in a sample of n items (cards drawn in this case) without replacement from a population of N items (total cards in the deck in this case).

Using the hypergeometric distribution with N=52, n=3, and the number of successes (queens) as x, we get:

P(X = 0) = (48 choose 3) / (52 choose 3) = 0.5728

P(X = 1) = (4 choose 1) * (48 choose 2) / (52 choose 3) = 0.3855

P(X = 2) = (4 choose 2) * (48 choose 1) / (52 choose 3) = 0.0417

P(X = 3) = (4 choose 3) / (52 choose 3) = 0.0001

Plugging these probabilities into the formula for expected value, we get:

E(X) = 0 * 0.5728 + 1 * 0.3855 + 2 * 0.0417 + 3 * 0.0001

E(X) = 0.469

This means that on average, you would not expect to draw any queens in this scenario, but there is a small chance of drawing one or two queens.

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The number line sketched above shows the positions of both points A and B.

They both are the same distance from the point zero. However, while the measure of the distance is always a positive value, the value on the number line to the left is negative, while that on the right is positive. Therefore, adding both values (same value/distance) on both the left and rigt side will result in 0.

Whatever is the value of B on the number line, e.g, 3 units, then A will be the negative and adding;

The correct answer is option B

Rejecting an honest shipment would have negative consequences for the designer's business relationship with the supplier. To avoid type I errors, it is important to set an appropriate level of significance and carefully analyze the sample data before making conclusions.

A type I error is when the null hypothesis is incorrectly rejected, meaning that the sample data suggests a significant difference when there is actually no significant difference. In this context, a type I error would occur if the designer concludes that the gold shipment is made of less than 75% gold, when in reality it is made of 75% gold. This would mean that the designer rejected an honest shipment from the supplier, possibly damaging their business relationship. The consequence of this error is that the designer would miss out on a reliable source of high-quality gold and potentially have to look for a new supplier, which could be costly and time-consuming. It is important to note that the consequence of a type I error in this context is not that the designer would produce inferior jewelry, as the jewelry would still be made of 18k gold regardless of whether the sample data suggested a lower gold content.

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Answer:

y=-1/4x +0

Step-by-step explanation:

Add 4y to left side of =

subtract X to right side

divide all terms by 4 to get Y alone

Slope- -1/4x,

Y-intercept- 0

that's what I got at least

Answer:

For the first one:

A' (-8,6)

B' (-9,10)

C' (-3,9)

D' (-2,5)

Step-by-step explanation:

The interest for the investment when the rate is 9% gives $101.25

An equation is an expression that shows the relationship between two or more numbers and variables.

An independent variable is a variable that does not depends on other variable while a dependent variable is a variable that depends on other variable.

Let y represent the interest, k represent the constant and x represent the rate. Hence:

y = kx

If the interest is $45 when the interest rate is 4%:

45 = 0.04k

k = 1125

y = 1125

When the rate is 9%:

y = 1125(0.09) = 101.25

The interest for the investment when the rate is 9% gives $101.25

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Blank 1: 2 Blank 2: 40

Step-by-step explanation:

First, to get the unit rate we divide 24 cookies by 3 to get 8.

For every 1 stick of butter there’s 8 cookies.

therefore implying that 16/8 is 2 sticks of butter. Because 8 plus 8 is 16.

If we have 5 sticks of butter, that’s 5 times the unit rate, 8 for a total of 40.

Answer:

The app doesn't like me today but the answers in the screenshot

Step-by-step explanation:

Answer:

one way:                another way:

20=5(-3+x)             20=5(-3+x)

4=-3+x                   20=-15+5x

7=x                        35=5x

                             7=x

Answer:

About 25 yards.

Step-by-step explanation:

Length of actual park is 60 yards

Scale factor = 1 inch : 10 yards

Length of drawing = 6 inches

Length of actual park

Length of actual park = Scale factor × Length of drawing

Length of actual park = 10 × 6

Length of actual park = 60 yards

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The possible noon temperatures are given as follows:

When a value of x is a units from a number n in the number line, the possible values are given as follows:

The reference temperature is of 23 ºF, and the temperature changed by 10 ºF, hence the possible temperatures are obtained as follows:

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Answer:

4/7

Step-by-step explanation:

ajsgskajsgsujavagajana ahakangssua

The probability of the complement of event A P(Ac), which is the event of a place to not be a city, is 4/7. Option C is correct.

Probability of an event is the ratio of number of favorable outcome to the total number of outcome of that event.

A place from this table is chosen at random. Let event A= the place is a city.

The total number of places are 7 given in the table.There are total three places which are city. Thus, the probability of a country to be a city is,

\(P(A)=\dfrac{3}{7}\)

Now, for its complement, the probability of a place not be a city is,

\(P(A^c)=1-\dfrac{3}{7}\\P(A^c)=\dfrac{7-3}{7}\\P(A^c)=\dfrac{4}{7}\)

Thus, the probability of the complement of event A P(Ac), which is the event of a place to not be a city, is 4/7. Option C is correct.

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A schematic diagram is used to describe the wiring details of a specific piece of equipment.

A schematic diagram is a graphical representation that depicts the electrical connections, components, and circuitry of a system or device.

It provides a simplified and standardized visual representation of the wiring and electrical connections, allowing engineers, technicians, or users to understand the internal workings of the equipment.

In a schematic diagram, different symbols and lines are used to represent various electrical components such as resistors, capacitors, switches, transformers, and wires.

The connections between these components are illustrated using lines that indicate the flow of electrical current.

Schematic diagrams are widely used in various fields, including electronics, electrical engineering, telecommunications, and industrial automation.

They are essential for designing, troubleshooting, and repairing equipment as they provide a clear and concise representation of the electrical connections and functionalities.

Overall, schematic diagrams serve as a vital tool for understanding the wiring details of a specific piece of equipment, enabling efficient analysis, troubleshooting, and communication of electrical systems.

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Answer:

the answer is b wait I can also be c and d

Answer:

A. 37°

Step-by-step explanation:

3/25  is the possibility that the range on her card might be a a couple of of two or 5.

what does a possibility mean?

The possibility serves as a gauge for the way probably an occasion is to occur. It gauges how probably an occasion is. P(E) = Number of Favorable Outcomes/Number of Total Outcomes is the method for possibility.

Total range of playing cards = 25 (Given)

Total viable range of playing cards which can be top range = 8

[ They are 2, 3, 5, 7, 11, 13, 17, 23 ]

P(top range) = 8/25

Total viable range of playing cards which can be even = 12

[They are 2, 4, 6, 8, 10, 12, 14, 16, 18. 20, 22, 24]

P(even range) = 12/25

Total viable range of playing cards which can be multiples of 5 = 5

[They are 5, 10, 15, 20 ,25]

P(multiples of 5) = 5/25

P(multiples of 5) = 1/5

Total viable range of playing cards which can be divisible through 6 = 4

[They are 6, 12, 18, 24]

P(Divisible through 6) = 4/25

Total viable range of playing cards that with the range 4 = 3

[They are 4, 14, 24]

P(with the range 4) = 3/25

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Answer:

.....................................

Step-by-step explanation:

y = 30 & x = 3

Answer:

8

Step-by-step explanation:

x= 3

21-6/3 + 6/2

15/3 + 3/1

5+3=8

Answer:

8

Step-by-step explanation:

plug in 3 for all the x's

7(3)-6/3= 21-6/3=15/3=5

2(3)/2=6/2=3

5+3=8

Having calculated the Area of the various pieces of land and those of the respective individuals, we can conclude that

Note that in each case, the land has been further divided in to two
a - Rectangular form

b - Right Triangle form

c - right Triangle form

d - Rectangular form

Thus,

Area of a from Ivan's land

= LB

600 x 400 = 240,000m²

Area of b from Ivan's land

= (bh)/2

= (600 * 500)/2

= 150,000m²

Thus the total area of Ivan's land  =

240,000m² + 150,000m²

= 390 000 m²

Next lets do Silvias land

Area of c on slivia's land

= (bh)/2

= (600 * 500)/2

= 150,000m²

Area of d on Slivia's land

= 540 x 500

= 270,000m²

Thus the total area of Silvia's land

= 150,000m² + = 270,000m²

= 420,000m²

Thus, Hector owned a total of

= 390 000 m² +  420,000m²

= 810,000 m²

Since 420,000m² >  390 000 m²

we can conclude that

Silvia go the larger share of land.

See the attached.

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Answer:

a) 199

f(-6)= 5(-6)^2 - 3 (-6) + 1 =199

b) 37

f(3)= 5(3)^2 - 3 (3) + 1 =37

The equation of the line in slope-intercept form is: y = -1/2x + 3.

To write the equation of a line in slope-intercept form, use the equation y = mx + b, where m is the slope of the line and b is the y-intercept (the point where the line crosses the y-axis). For example, if the slope of the line is 2 and the y-intercept is -3, the equation of the line in slope-intercept form would be y = 2x - 3.

Therefore, slope of the graph given = rise/run = -1/2.

Y-intercept of the line, b = 3.

To wrote the equation of the line, substitute m = -1/2 and b = 3 into y = mx + b:

y = -1/2x + 3.

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Answer:

You can buy 4 Pizzas

Step-by-step explanation:

if you think carefully the devilery fee is still $7

because even how many pizzas you odered,the devilery man can deliver them all together

divide the spare change with the price of each pizza.

55÷12=4 r.7

4×12= 48

$48 dollars for 4 pizzas and $7 for the delivery.

48+7=55

thus he bought 4 pizzas

Answer:

thats math solution u need to answer it

Answer:

A

Step-by-step explanation:

an=a1+(n-1)d

A(10)=15+(n-1)-2

Problem given

3x+7y=-63. x-y=-1. Solve each system of equations by graphing. Clearly identify your solution.​

Solution

For this case we can plot the two equations and we got:

After see the plot we can see that the solution for this case is :

x= -7 and y= -6

If we convert into the standard form y=mx+b we have:

7y=-63-3x

y= -9 -3/7 x

x-y=-1

y= x+1

Answer:

That is a 45% increase

Step-by-step explanation:

The maximum price the person would pay for the good is 10.

The maximum price the person would pay for the good is 10. This can be determined by using the formula for utility maximization, which states that the maximum utility a person can achieve is given by the equation \(U(x,y)=px*lnx+py*lny\), where px and py are the prices of x and y respectively and I is the income of the person.

In this case, we know that px=1, I=10 and we are looking for the maximum value of py. Plugging in the given values, we get U(x,y)=1*lnx+py*lny. Since we know that y must be purchased in whole units, we can set lny to be 0, which gives us U(x,y)=1*lnx. Taking the derivative with respect to py, we get 0=0+lny, which implies that py=0. This means the maximum price the person would pay for the good is 10, since that is their income.

The maximum price the person would pay for the good is 10.

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Answer:

Step-by-step explanation:

-x-3=y, therefore x = -y-3

-3x - 8y = 4

Find the value of y

Substitute the x in -3x - 8y = 4 with -y-3

We get

-3·(-y-3) - 8y = 4

3y + 9 - 8y = 4

-5y = 4-9

-5y = -5

_______________

Find the value of x

x = -y-3

x = -1-3

_______________

Answer (x, y) =

_____________________

#IndonesianPride - kexcvi

Answer:

Ok Here:

Step-by-step explanation:

STEP BY STEP

Substitution:

-x-3=y

-3x-8y=4

Solve for X                Substitute for Y

-3x-8(-x-3)=4                     -(-4)-3=y

-3x+8x+24=4                        4-3=y

5x+24=4                                y=1

    -24

5x=-20

5/5 = -20/5

x=-4

Solution: (-4,1)

Answer:

3 ft/sec

Step-by-step explanation:

Two clear points to look at are (0,0) and (4,12)

Rate of Change is (12-0)/(4-0)=12/4=3

Answer:

3 feet per second

Step-by-step explanation:

it was 8 seconds and 24 feet at one and 8 times 3 would be 24

The growth of the lily pad is in geometric progression, and it covers half the pond in 29 days.

In the question, we are given that the size of the lily pad doubles itself every day.

If we assume the size of the lily pad on the first day as a, then on the second day its size will be 2a, on the third day it will be 2(2a) = 4a, and on the fourth day, it will be 2(4a) = 8a, and so on.

This makes a geometric progression, with the first term as a, and the constant ratio as 2.

We are given that on the 30th day, the size of the lily pad, covers the entire pond.

The size on the 30th day can be shown as the 30th term of this geometric progression

Therefore, size of the  pond = a(2)³⁰⁻¹ = a.2²⁹. {Using the formula, aₙ = arⁿ⁻¹, where aₙ is the n-th term, a is the first term, and r is the constant ratio}.

We are asked the day on which the pond is half covered.

The size of the pond in this case = (a.2²⁹)/2 = a.2²⁸.

The day can be calculated as follows:

a.2ⁿ⁻¹ = a.2²⁸,

or, 2ⁿ/2 = 2²⁸,

or, 2ⁿ = 2²⁹,

or, n = 29.

Thus, the lily pad covers half the pond on the 29th day.

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