Maryam scored 86. 7% on a test with 30 questions on


it. How many questions did Maryam get wrong?


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Answer:

2^8=256

Step-by-step explanation:

Multiply the exponents and simplify

Answer:

A positive exponent tells us how many times to multiply a base number, and a negative exponent tells us how many times to divide a base number. We can rewrite negative exponents like x⁻ⁿ as 1 / xⁿ. For example, 2⁻⁴ = 1 / (2⁴) = 1/16.

Answer:

9 3/5 is the answer it's in photo above how to

The quote by Bertrand Russell emphasizes that deriving pleasure from work is not limited to eminent scientists or leading statesmen.

Instead, anyone who possesses specialized skills and finds satisfaction in exercising those skills can experience the pleasure of work. However, it is important not to seek universal applause or recognition as a requirement for finding fulfillment in one's work. In the following discussion, I will focus on the type of work that I consider significant, and I will reference the theory of Aristotle.

One type of work that I find significant is teaching. Teaching involves imparting knowledge, shaping minds, and contributing to the growth and development of individuals. It is a profession that requires specialized skills such as effective communication, adaptability, and the ability to facilitate learning.

In the context of Aristotle's theory, teaching can be seen as fulfilling the concept of eudaimonia, which is the ultimate goal of human life according to Aristotle. Eudaimonia refers to flourishing or living a fulfilling and virtuous life. Aristotle believed that eudaimonia is achieved through the cultivation and exercise of our unique human capacities, including our intellectual and moral virtues.

Teaching aligns with Aristotle's theory as it allows individuals to develop their intellectual virtues by continuously learning and expanding their knowledge base. Furthermore, it enables them to practice moral virtues such as patience, empathy, and fairness in their interactions with students and colleagues.

According to Aristotle, the pleasure derived from work comes from the fulfillment of one's potential and the realization of their virtues. Teachers experience satisfaction and pleasure when they witness their students' progress and success, knowing that they have played a role in their growth. The joy of seeing students grasp new concepts, overcome challenges, and develop critical thinking skills can be immensely gratifying.

Furthermore, Aristotle's concept of the "golden mean" is relevant to finding pleasure in teaching. The golden mean suggests that virtue lies between extremes. In the case of teaching, the pleasure of work comes not from seeking universal applause or excessive external validation but from finding a balance between personal fulfillment and the genuine impact made on students' lives.

In conclusion, teaching is a significant type of work where individuals can find pleasure and fulfillment by utilizing their specialized skills and contributing to the growth of others. Aristotle's theory aligns with the notion that the joy of work comes from the cultivation and exercise of virtues, rather than solely seeking external recognition or applause. The satisfaction derived from teaching stems from the inherent value of the profession itself and the impact it has on students' lives, making it a meaningful and significant form of work.

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To find the mean annual amount of snowfall accumulated in the lake, we need to use the information given: the gamma distribution has a shape parameter (α) of 10 and a scale parameter (β) of 2.

The mean of a gamma distribution can be calculated using the formula:

Mean = α * β

In this case, α = 10 and β = 2. Plugging these values into the formula:

Mean = 10 * 2 = 20

So, the mean annual amount of snowfall accumulated in the lake is 20 megatons.

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According to Zaller's Receive-Accept-Sample (RAS) model, individuals who are most susceptible to the message of a political action committee launching a new advertisement aimed at expanding health insurance to low-income Americans through increased government funding would be those who both receive and accept the message.

The RAS model suggests that individuals have varying levels of political knowledge and are exposed to different sources of information. Those who are more likely to receive the message are individuals who are politically interested and engaged, while those who are more likely to accept the message are individuals who have limited political knowledge and are less critical of the information presented to them.

Therefore, in the context of the advertisement aiming to expand health insurance to low-income Americans, the most susceptible individuals would be those who are politically interested but have limited political knowledge. These individuals may be more likely to accept the message without critically evaluating its content.

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Answer:

Three linear equations that has a unique solution (1,2,-1) are:-

x+ y+ z =2

2x + y + 3z = 1

x+ 2y+ z  = 4

Step-by-step explanation:

Linear equations in three variables:-

If a, b, c and r are real numbers (and if a, b, and c are not all equal to 0)

then ax + by + cz = r is called a linear equation in three variables. (The

“three variables” are the x, the y, and the z.)

The numbers a, b, and c are called the coefficients of the equation. The

number r is called the constant of the equation.

so from from above explanation we can write 3 linear equations with three variables as.

x+ y+ z =2

2x + y + 3z = 1

x+ 2y+ z  = 4

Now to check if the given point (1,2,-1) is solution or not  these equations must satisfy this point,

x+ y+ z =2

1+ 2- 1 = 2

   2= 2

2x + y + 3z = 1

2×1 +2 - 3×1 = 1

     1=1

x+ 2y+ z  = 4,

1+ 2×2 -1 = 4

    4=4  

therefore all three equations satisfies the given point

hence these are the three linear equation having point (1,2, -1) as the unique solution

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The mean absolute value of the numbers 85, 90, 68, 75, and 79 is 79.4.

To find the mean absolute value of a set of numbers, we need to sum up the absolute values of all the numbers in the set and then divide the sum by the total number of values.

Let's calculate the mean absolute value for the numbers you provided: 85, 90, 68, 75, and 79.

Find the absolute values of the numbers.

|85| = 85

|90| = 90

|68| = 68

|75| = 75

|79| = 79

Calculate the sum of the absolute values.

85 + 90 + 68 + 75 + 79 = 397

Divide the sum by the total number of values (5 in this case).

397 / 5 = 79.4

Therefore, the mean absolute value of the numbers 85, 90, 68, 75, and 79 is 79.4.

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Answer:

x=4

Step-by-step explanation:

4x-8+5x=28

9x-8=28

Add 8 to both sides.

9x=36

Divide 9 from both sides.

x=4

Hope this helps! Plz give brainliest!

Answer:

100th term = -1485

Step-by-step explanation:

\(t_{n} = a + (n - 1)d\)

n = number of terms

= 100

a = first term

= 5

d = difference

= second term - first term

= 2 - 5

= -3

substitute the values into the formula

\(t_{100} = 5(100 - 1)( - 3)\)

\(t_{100} = 5(99)( - 3)\)

\(t_{100} = 495( - 3)\)

\(t_{100} = - 1485\)

Answer:

The lowest point is -100 meters, or 100 meters down

Step-by-step explanation:

D(x)=1/36(x-60)^2-100

This equation is in vertex form

y = a(x-h)^2 +k  where (h,k) is the vertex

Since a is positive, the parabola opens up

The vertex is the minimum, which means it will be the lowest point

The vertex is (60,-100)

The lowest point is -100 meters, or 100 meters down

Given expression

Compare to the vertex form

We get

.

As a is positive parabola is opening upwards and vertex is minimum

Lowest altitude is -100m

The equation of the line which is parallel to the other equation is;

\(y + \frac{5x}{7} +\frac{10}{7} =0\).

What is the Relation between two Parallel Lines?

To determine whether two lines are parallel or not, apply the parallel line's formula. When we have the slope of two lines that we want to compare, the parallel line formula can be used. The separation between the parallel lines remains constant. Parallel lines are those that never cross each other. Since the two lines are equal in this situation and the angle is 180 degrees, they will never intersect.

In the given equation, we have:

The equation of the line is y = -5/7x-10.

and, Line k, which is parallel to the line of the equation :

\(y = \frac{-5x}{7} -10.\)

\(y + \frac{5x}{7} +10. =0\)

So, the equation of the line which is parallel to the line of the equation is:

\(y + \frac{5x}{7} +k. =0\)

and since the two lines are parallels

So, the slope of equation 1 and the slope of equation two will be the same;

Also, It is given that the line includes the point  (-9, 5).

So,

\(5 + \frac{5 \times -9}{7} +k. =0\)

⇒\(k = -\frac{5 \times -9}{7} -5\)

⇒\(k = \frac{10}{7}\)

So, The equation of the line which is parallel to the other equation is;

\(y + \frac{5x}{7} +\frac{10}{7} =0\).

Hence,

The equation of the line which is parallel to the other equation is;

\(y + \frac{5x}{7} +\frac{10}{7} =0\)..

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Answer:

3,-2

Step-by-step explanation:

set y =0 and solve

(-x-2)(x-3)=0

the values 3, -2 solve the equation and are your x-intercepts

The centroid of the triangle with vertices A(-4, -5), B(-1, 2), and C(2, -4) is (-1, -7/3).

To find the centroid of a triangle, we need to calculate the average of the coordinates of the three vertices. The centroid is the point of concurrency where the medians of the triangle intersect.

Given the vertices of the triangle A(-4, -5), B(-1, 2), and C(2, -4), let's find the centroid.

The x-coordinate of the centroid is given by the average of the x-coordinates of the vertices:

x-coordinate of centroid = (x-coordinate of A + x-coordinate of B + x-coordinate of C) / 3

                      = (-4 + -1 + 2) / 3

                      = -3 / 3

                      = -1

The y-coordinate of the centroid is given by the average of the y-coordinates of the vertices:

y-coordinate of centroid = (y-coordinate of A + y-coordinate of B + y-coordinate of C) / 3

                      = (-5 + 2 + -4) / 3

                      = -7 / 3

Therefore, the centroid of the triangle with vertices A(-4, -5), B(-1, 2), and C(2, -4) is (-1, -7/3).

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Answer:

Explanation below:

Step-by-step explanation:

So basically x is the diameter - so is the radius times by 2

The radius is the length from the center of the circle to the edge which in this case is 7.9 + 8.9 = 16.8

So from this we have worked out the radius which is 16.8

But x is the diameter so we have to times 16.8 by 2 which gives 33.6

Answer:

see below

Step-by-step explanation:

Use pythagorean theorem:

\(a^{2} +b^{2} =c^{2} \\\)

For example, if we are given the lengths:

Short side: 3

Hypotenuse: 5

and we have to find the other side length:

\(a^{2} +b^{2} =c^{2} \\3^{2} +b^{2} =5^{2} \\9+b^{2} =25\\b^{2} =16\\b=4\)

So, the missing side length would be 4.

Hope this helps!  :)

Solution,

As we have,

⇒2SinACosB=Sin(A+B)+Sin(A-B)

Now,

\(2sin7\alpha .cos2\alpha =sin9\alpha +sin5\alpha \\\\LHS=2sin7\alpha .cos2\alpha \\\\LHS=sin(7\alpha +2\alpha )+sin (7\alpha -2\alpha )\\\\LHS=sin9\alpha +sin5\alpha\)

Hence, LHS=RHS

Math SAT scores explain about 98.7% of the variation in the total SAT scores.

In statistics, correlation or dependence exists as any statistical relationship, whether causal or not, between two random variables or bivariate data.

A correlation exists as a statistical measure (expressed as a number) that defines the size and direction of a relationship between two or more variables. A correlation between variables, however, does not automatically mean that the change in one variable exists as the cause of the change in the values of the other variable.

Since r² exists = (0.9935)² = 0.9870, we interpret r² as 98.7% of the variation in the y variable exists explained by the x variable.

In context, math SAT score explains about 98.7% of the variation in total SAT score.

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The correct answer is B

The rank of A is equal to the number of non-pivot columns in A. Since there are more rows than columns in an 8 times 6 matrix, the rank of an 8 times 6 matrix must be equal to the number of pivot positions, which is 6. Since there are 6 rows in a 6 times 8 matrix, there are a maximum of 6 pivot positions in A. Thus, there are 2 non-pivot columns. Therefore, the largest possible rank of a 6 times 8 matrix is 2.

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Answer:

$212

Step-by-step explanation:

Answer:

56.25°

Step-by-step explanation:

cos x° = b/h = 15/27 = 5/9

x° = cos^(-1) (5/9) = 56.25°

Answer:

c = 4,9

d = 4,6

Answer:

The farmer that sell the bananas for 0.80 per pound is the best price.

Step-by-step explanation:

The second farmer:

1. \(\frac{4.50}{5}\) = 0.90 cents

The first farmer:

1.\(\frac{0.80}{1}\) = 0.80

So the first farmer has a cheaper price.

Answer:

a

Step-by-step explanation:

The probability that the child will catch 10 or more balls is approximately 0.4757 or 47.57%

In this scenario, we can model the number of successful catches by the child using a binomial distribution. Let's identify the values of N, P, and X, and calculate the probability.

N: N represents the number of trials or attempts. In this case, the ball is thrown 15 times, so N = 15.

P: P represents the probability of success in a single trial. Here, the chance of the child catching a ball is given as 0.4, so P = 0.4.

X: X represents the number of successful outcomes we are interested in. In this case, we want to find the probability that the child will catch 10 or more balls, so X = 10, 11, 12, 13, 14, 15.

To calculate the probability, we need to sum the probabilities of each individual outcome. We can use the binomial probability formula:

P(X=k) = (N choose k) * P^k * (1-P)^(N-k)

Let's calculate the probability using the formula for each value of X and sum the probabilities for X ≥ 10:

P(X ≥ 10) = P(X=10) + P(X=11) + P(X=12) + P(X=13) + P(X=14) + P(X=15)

P(X ≥ 10) = [ (15 choose 10) * (0.4^10) * (0.6^5) ] + [ (15 choose 11) * (0.4^11) * (0.6^4) ] + [ (15 choose 12) * (0.4^12) * (0.6^3) ] + [ (15 choose 13) * (0.4^13) * (0.6^2) ] + [ (15 choose 14) * (0.4^14) * (0.6^1) ] + [ (15 choose 15) * (0.4^15) * (0.6^0) ]

Now, we can calculate the probability:

P(X ≥ 10) ≈ 0.0032 + 0.0172 + 0.0524 + 0.1083 + 0.1651 + 0.1295

P(X ≥ 10) ≈ 0.4757

Therefore, the probability that the child will catch 10 or more balls is approximately 0.4757 or 47.57%

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Explanation:

Point H is at (-2,2) and J is at (4,-2)

Focusing on the x coordinates, the midpoint is (x1+x2)/2 = (-2+4)/2 = 1.

The y coordinates have a midpoint of (y1+y2)/2 = (2+(-2))/2 = 0.

The midpoint is at (1,0). That's why the answer is choice C.

--------------------------

This next section is optional.

Points I and K are located at (4,3) and (-2,-3) respectively

Averaging the x coordinates gets us (x1+x2)/2 = (4+(-2))/2 = 1

Doing the same for the y coordinates gets us (y1+y2)/2 = (3+(-3))/2 = 0

We end up with the same midpoint (1,0)

The midpoint being the same for both diagonals proves that each diagonal is bisected, ie cut in half.

Answer:

C is the correct answer

Step-by-step explanation:

Larry uses the car for the first 5 slots (75 minutes) and returns it on time to avoid any fine. He then uses his bike for the remaining 2 slots, which takes 6 slots (3 times longer than using the car).

Therefore, in total, Larry uses the car for 5 slots and the bike for 6 slots, for a total of 11 slots.

On average, Larry expects to use the bike for (6/11) of his total slots. Since each bike delivery takes 3 times longer than a car delivery, we can say that Larry expects to spend 3 times as much time on the bike as he would in the car. Therefore, the average time he expects to spend on the bike (in terms of slots) is:

(6/11) * 3 = 1.636 slots

So, Larry expects to spend an average of 1.636 slots (or about 24.5 minutes) on the bike for each delivery.

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Answer:

-2.2

Step-by-step explanation:

m = y2 - y1/ x2- x1

m = -5 - 6/ 2 --3

m = -11/5

m = -2.2

30-degree is the smallest value of the \(\theta\\\).

If sin(θ) = 1/2 and 0° < θ < 180°, then we know that θ is an acute angle in the first or second quadrant of the unit circle, since sine is positive in those quadrants.

To find the value of θ, we can use the inverse sine function (sin^-1) on both sides of the equation:

\(sin^{-1}(sin(\theta)) = sin{^-1}(1/2)\)

θ = 30° or 150°

Since 0° < θ < 180°, the smaller value of θ is 30°.

Therefore, the smaller value of θ is 30°.

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Answer:

1/8

Step-by-step explanation:

i believe this is the answer

Answer:

y=5x

Step-by-step explanation:

please mark me as brainlest

Answer:

a) y = 5x

Step-by-step explanation:

Given :-

x : y = 1 : 5

Solving :-

x/y = 1/5

y = 5x

Solution :-

a) y = 5x