A card is selected at random from a deck of cards.
Determine the probability that the card selected is A 5

Answer:

4m+5=12

Step-by-step explanation:

4(3)+5#12

right hand side is not equal to left hand side

Answer: 4m+5=12

Step-by-step explanation:

Answer:    1/4

Answer:

Step-by-step explanation:

Here is the complete question: Find the rate of change for the situation:

A chef cooks 9 lbs of chicken for 36 people and 17 lbs of chicken for 68 people.

Given: 1st situation, A chef cook 9 lbs chicken for 36 people.

          2nd situation, chef cook 17 lbs chicken for 68 people.

∴ 1st situation, weight of chicken per person=  

 Weight of chicken per person=  

2nd situation, weight of chicken per person=  

Weight of chicken per person=  

In both the situation chef cook same amount of chicken per person, which is  

∴ Rate of change is

Step-by-step explanation:

There are several important information's already given in the question. Based on those information's the answer can be easily deduced.

In the first case,

The amount of chicken the chef cooks for 36 people = 9 pounds

Then

The amount of chicken the chef cooks for 1 person = 9/36

                                                                                 = 1/4 pounds

Now let us take the second case

The amount of chicken the chef cooks for 68 people = 17 pounds

Then

The amount of chicken the chef cooks for 1 person = 17/68

                                                                                 = 1/4 pounds

From the above deductions, it can be concluded that the correct option among all the options given in the question is the third option or option "B".

Answer:

what in the world am i

Step-by-step explanation:

Answer:

1/4 x + 1/8 y = 14

Step-by-step explanation:

Answer:

It is D, I just did it :)

Step-by-step explanation:

Edge 2022

Answer:

ex :  8/5

you divided the numerator by the denominator and it because a decimal

so ur answer for 8/5 would be 1.6

not really sure if this is what ur looking for but thats how u convert a fraction to a decimal  

Good luck <3

Answer: 27.5 units^2

Step-by-step explanation:

The formula to find the area of a triangle is Area = 1/2 x Base x Height

The base of the triangle is 11 since it starts at 2 and ends at 13

The height of the triangle is 5 since it starts at 4 and ends at 9

so plugging in base and height to the formula

A = 1/2 x 11 x 5

A = 1/2 x 55

A = 27.5

the answer is b lil boy ggggggg

The function f(x) = x² - 1/x + 1, with domain [0, ∞), does not have an absolute maximum on its domain, but this does not contradict the extreme value theorem.

The extreme value theorem states that if a real-valued function f is continuous on a closed interval [a, b], then f must have both an absolute maximum and an absolute minimum on that interval.

However, the theorem does not apply to functions that have an open interval as their domain, such as f(x) = x² - 1/x + 1 with a domain of [0, ∞).

In this case, f(x) approaches infinity as x approaches 0, but it does not have a maximum value within the given domain. The lack of an absolute maximum for f(x) on [0, ∞) is consistent with the behavior of the function, and it does not violate the extreme value theorem since the domain is not a closed interval.

Therefore, the function f(x) = x² - 1/x + 1, defined on [0, ∞), lacks an absolute maximum, but this does not violate the extreme value theorem.

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Answer:

SAS similarity

Step-by-step explanation:

two angles are congruent

four sides are similar

The opportunity cost of spending $90,000 on advertising but only producing 12,000 units can be calculated by comparing the benefits of the advertising investment to the potential alternative uses of that money.

First, let's calculate the total cost of producing 12,000 units. Fixed costs amount to $48,000, and variable costs are $8 per unit, resulting in a total cost of $48,000 + ($8 × 12,000) = $144,000.

Next, we need to calculate the potential sales revenue without advertising. With a price of $16 per unit, the potential sales revenue would be $16 × 12,000 = $192,000.

Now, let's calculate the potential sales revenue after advertising. The advertising multiplier is given as (30,000 + advertising) / 30,000. In this case, the multiplier would be (30,000 + 90,000) / 30,000 = 4.

Therefore, the potential sales revenue after advertising would be $192,000 × 4 = $768,000.

The opportunity cost is the difference between the potential sales revenue after advertising ($768,000) and the potential sales revenue without advertising ($192,000), which is $768,000 - $192,000 = $576,000.

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∠ IJL and ∠ JLK are supplementary angles.

What are supplementary angles?

Two angles are called supplementary angles if their sum is 180°.

If θ₁ and θ₂ are supplementary angles, then θ₁ + θ₂= 180°.

Given that,

Line EF is parallel to GH,

And line AB is parallel to CD.

Let Angle ∠ IJL is x.

Therefore, ∠ JKH will also x, because line AB ∥ CD.

The angle ∠ JLK=180-x (Since, the angle made by a line is 180°)

The sum of ∠ IJL and ∠ JLK is,

∠ IJL+∠ JLK = x+180-x

                    = 180

Therefore, ∠ IJL and ∠ JLK are supplementary.

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Answer:

1/6

Step-by-step explanation:

First, we'll simplify the inside portion of the question.

\(\frac{3^{3/4}}{3^{3/8}} =3^{3/4-3/8}=3^{3/8}\\\)

Next, we are raising this to the 4/9 power.

\((3^{3/8})^{4/9} = 3^{(3/8) * (4/9)} = 3^{1/6}\)

Thus, x = 1/6.

Answer:

Coffee might help

Step-by-step explanation:

and a good rest and then some healthy salad :)

Answer:

one blue triangle is equal to 4

x = 4

Step-by-step explanation:

ok so lets say one red circle is equal to y so

y = 2

there is 4 circles so it would be

4y = 4 * 2 = 8

then the blue triangles are x and are equal to

2x = 2 * x = ?

8 / 2 = x = 4

x = 4

Answer:

y+g

Step-by-step explanation:

The distance between these two points is √53 units.

A triangle is a three-sided polygon that consists of three edges and three vertices.

The two points of a triangle are (−3,−6) and (4,−8)

The length along a line or line segment between two points on the line or line segment.

Distance=√(x₂-x₁)²+(y₂-y₁)²

=√(4+3)²+(-8+6)²

=√7²+2²

=√49+4=√53

So the distance between these two points is √53 units

Hence, the distance between these two points is √53 units.

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Answer:

The cost of 7 pens is Rs. 60,  so 2.45

Step-by-step explanation:

find the cost of 7 pens. so 3 divided by 1.05 = 0.35 then multiply by 7 =  2.45 hope this helps can i get brainlyesti tried my best;]

Answer:

-5

Step-by-step explanation:

−15a = 75

a = 75/-15

a = -5

Answer:

32

Step-by-step explanation:

2 to the power of 2 is 4

12×(3+4)÷2-10

12×7÷2-10

84÷2-10

42-10

ANS=32

The smallest value of c is -2. The interval where $f(x)$ is one-to-one, which means that each output has only one corresponding input. If we graph $f(x)$, we can see that it is a parabola that opens upwards with vertex $(-2,-5)$.

Since the parabola is symmetric with respect to the vertical line passing through the vertex, it will not pass the horizontal line test and therefore does not have an inverse function when the domain is all real numbers. However, if we restrict the domain to an interval $[c,\infty)$, where $c$ is some real number, the portion of the parabola to the right of the vertical line passing through the point $(c,0)$ will pass the horizontal line test and therefore have an inverse function.

To find the smallest value of $c$ that works, we need to find the $x$-coordinate of the point where the parabola intersects the vertical line passing through $(c,0)$. Setting $(x+2)^2-5=c$ and solving for $x$, we get $x=\pm\sqrt{c+5}-2$. Since we want the portion of the parabola to the right of the line $x=c$, we only need to consider the positive square root. Therefore, the smallest value of $c$ we can use here is $c=-5$, which gives us the $x$-coordinate of the point where the parabola intersects the line $x=-5$. This means that if we restrict the domain of $f(x)$ to $[-5,\infty)$, then $f(x)$ will have an inverse function.

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100 inches
Let's use "x" to represent the length of a side of the smaller polygon, and let's use "y" to represent the corresponding length of a side of the larger polygon. We're told that the ratio of the side lengths is 3/5, so we can set up the equation:

y/x = 5/3

We're also told that the perimeter of the smaller polygon is 60 inches, so we can set up another equation using the fact that the smaller polygon has "n" sides:

nx = 60

Now, we want to find the perimeter of the larger polygon, which also has "n" sides. We can use the equation we set up earlier to write "y" in terms of "x":

y/x = 5/3

y = (5/3)x

Now we can substitute this expression for "y" into the formula for the perimeter of the larger polygon:

Perimeter of larger polygon = nx = n(5/3)x = (5/3)(nx) = (5/3)(60) = 100

So the perimeter of the larger polygon is 100 inches.

When determining sample sizes for probability designs, there are several factors to consider. One important factor is the level of confidence desired in the results.

As the desired level of confidence increases, the sample size needed also increases. This is because a larger sample size provides more data and reduces the likelihood of errors or outliers affecting the results.
Another factor to consider is the precision required in the sample results. The more precise the required results, the larger the sample size needed. This is because a larger sample size provides more accurate and reliable data, reducing the margin of error in the results.

The variability in the data being estimated is also a factor that affects the sample size needed. If the data has a high level of variability, a larger sample size is needed to ensure that the results are representative of the population being studied. Conversely, if the data has a low level of variability, a smaller sample size may be sufficient.

Finally, the desired level of error also plays a role in determining the sample size needed. The smaller the desired level of error, the larger the sample size needed to achieve that level of precision.

Overall, determining the appropriate sample size for probability designs involves considering multiple factors, including confidence, precision, variability, and error, and balancing these factors to ensure that the results are both accurate and representative of the population being studied.
The true statement among the options provided regarding factors that play an important role in determining sample sizes with probability designs is: "The more precise the required sample results, the larger the sample size."

Factors that affect sample size in probability designs include confidence level, desired precision, and variability in the data. A higher level of confidence indicates greater certainty in the results, but it requires a larger sample size to achieve. Similarly, more precise results require a larger sample size to decrease the margin of error.

In contrast, the statements claiming that a smaller sample size is needed for higher confidence or smaller desired error are incorrect. In reality, a larger sample size is necessary for both situations.

Lastly, the relationship between variability in the data and sample size is inverse; when there is lower variability in the data, a smaller sample size is needed to achieve a specific level of precision. Therefore, the statement claiming that lower variability requires a larger sample size is also incorrect.

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Answer:

What is 2x times 3x

6x

Step-by-step explanation:

3•2=6

The percentage of the car's original value will be 33%

We have given that the car was worth $24,000, being this the original value, after three years the car will be worth $16,000.

Therefore to find the percentage of the car’s original value will Ralph need to pay as part of his lease, We have to find  the difference between the original value and the new value.

So the difference between the original value and new value is,

24,000-16,000= $8000.

A percentage is a number or ratio expressed as a fraction of 100.

And the percentage can be calculated dividing the difference by the original value of the car.

\(\frac{8000}{24000}\times 100=33.3\%\)

Therefore the percentage of the car's original value will be 33%

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The anonymous PL/SQL program provided below computes the sum of the numbers 2, 4, 6, 8, and 10 using a loop. By initializing a variable to store the sum, the program iterates through the given numbers and updates the sum by adding each number in each iteration. Finally, the program displays the computed sum.

The PL/SQL program begins by declaring a variable, "total_sum," which will store the cumulative sum of the numbers. It is initialized to 0.
Next, a loop is set up using the "FOR" statement, specifying the range of numbers to be considered (2 to 10) and the increment of the loop variable (2 in this case). The loop variable "num" takes the values 2, 4, 6, 8, and 10 successively.
Within the loop, the value of "num" is added to the "total_sum" variable using the "+=" operator. This updates the sum with each iteration.
After the loop completes, the program displays the computed sum using the "DBMS_OUTPUT.PUT_LINE" statement.
The program computes the sum of the given numbers (2 + 4 + 6 + 8 + 10 = 30) by iterating through them and updating the sum variable. It demonstrates the use of a loop to perform repetitive computations efficiently.

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The researcher randomly selected and interviewed fifty male and fifty female teachers can be categorized as:

iii. random - The selection of teachers is done randomly, without any specific criteria or pattern.

To solve the absolute-value inequality |8 - x| ≥ 5, we can consider two cases:

Case 1: (8 - x) ≥ 5

To solve this inequality, we have:

8 - x ≥ 5

-x ≥ 5 - 8

-x ≥ -3 (multiplying by -1 and reversing the inequality)

x ≤ 3 (dividing by -1 and reversing the inequality)

Case 2: -(8 - x) ≥ 5

To solve this inequality, we have:

-8 + x ≥ 5

x ≥ 5 + 8

x ≥ 13

Combining the solutions from both cases, we have:

x ≤ 3 or x ≥ 13

So, the solution to the absolute-value inequality |8 - x| ≥ 5 is x ≤ 3 or x ≥ 13.

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We can use Coulomb's law to calculate the magnitude of the electric field at a distance r away from a point charge Q:

E = k * Q / r^2

where k is Coulomb's constant, Q is the charge of the point charge, and r is the distance from the point charge.

In this problem, we have a point charge Q of -10 nC located at (1.2 cm, 0 cm), and we want to find the x-component of the electric field at a distance r = 5.3 cm away at position (-4.1 cm, 0 cm).

To find the x-component of the electric field, we need to use the cosine of the angle between the electric field vector and the x-axis, which is cos(180°) = -1.

So, the x-component of the electric field at position (-4.1 cm, 0 cm) is:

E_x = - E * cos(180°) = - (k * Q / r^2) * (-1)

where k = 9 x 10^9 N*m^2/C^2 is Coulomb's constant.

Substituting the given values, we get:

E_x = - (9 x 10^9 N*m^2/C^2) * (-10 x 10^-9 C) / (0.053 m)^2

E_x ≈ -30,566.04 N/C

Rounding this to two significant figures and including the appropriate units, we get:

The x-component of the electric field is about -3.1 x 10^4 N/C (to the left).

Answer:

WY = 180

Step-by-step explanation:

the diagonals of an isosceles trapezoid are congruent , so

ZX = WY , that is

8y - 4 = 7y + 19 ( subtract 7y from both sides )

y - 4 = 19 ( add 4 to both sides )

y = 23

Then

WY = 7y + 19 = 7(23) + 19 = 161 + 19 = 180

The key to solving this problem is knowing that we need to estimate the earnings for hours worked over 40 hours. They are paid 1.5 times the normal we

Gary receives a weekly salary:

$632.00

The normal workweek is 40 hours.

He is paid time-and-a-half for any hours worked over 40 hours a week.

Therefore:

He is paid:

$632/40hours = $15.80/hour

If he worked 50 hours, then:

50 hours - 40 hours = 10 hours (he worked 10 hours more).

These hours are paid time-and-a-half, that is, 1.5 more than the normal hours. Then

10 hours * $15.80/hour * 1.5 = $237.00

This is what he will receive for working over 40 hours (working 10 hours).

Then, his gross earnings for a week when he worked 50 hours are:

$632.00 + $237.00 = $869