What’s the answer I need it ASAP

Answer:

8 1/30

Step-by-step explanation:

(10-8) + (1/5 - 1/6)

Answer:

8  1/30

Step-by-step explanation:

Find the common deminator, then subtract!!

The correct equation of the scaled figure is given by 6/3 = 4/a

Scaling is the process of either increasing or decreasing the size of a figure by a factor.

From the diagram attached, Figure f is a scaled copy of Figure e. Figure e is decreased to produce figure f, hence:

The correct equation of the scaled figure is given by 6/3 = 4/a

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Our point is at -5, 3. -5 represents its x coordinate, and 3 represents its y coordinate. 3 units right makes it -2, while 2 units down makes it 1. Final coords of the point are (-2,1).

Answer:

given point is (-5,3)

right unit means positive and down unit means negative so,

image of (-5,3)---------->(-5+3-2,3+3-2)

=>(-7+3,6-2)

=>(-4,4) ANS.

Answer:

1.77/3=0.59

Step-by-step explanation:

If 3 lbs of bananas cost $1.77 we find the amount of each lbs of bananas by dividing 1.77 by 3.

from there we get 0.59,

therefore each lbs of bananas costs $0.59

and 10 lbs of bananas cost $5.90

Answer:

the cost of 10 lbs of bananas is 5.9 or 5.90

Step-by-step explanation:

177/3=0.59

0.59x10=5.9

I don't know if this is really what you wanted but I put an answer hoping you will give the person above me brainliest, I think they deserve it :)

A significance level of 0.10, we have enough evidence to conclude that the new copy machines have a significantly faster mean repair time compared to the older model.

To test if the new copy machines are faster to repair, we can set up the following null and alternative hypotheses:

Null Hypothesis (H₀): The mean repair time for the new copy machines is the same as the mean repair time for the older model.

Alternative Hypothesis (H₁): The mean repair time for the new copy machines is less than the mean repair time for the older model.

Let's perform a one-sample t-test to test these hypotheses. The test statistic is calculated as:

t = (sample mean - population mean) / (sample standard deviation / √(sample size))

Given:

Population mean (μ) = 93 minutes

Sample mean (\(\bar x\)) = 86.8 minutes

Sample standard deviation (s) = 14.6 minutes

Sample size (n) = 18

Significance level (α) = 0.10

Calculating the test statistic:

t = (86.8 - 93) / (14.6 / sqrt(18))

t = -6.2 / (14.6 / 4.24264)

t ≈ -2.677

The degrees of freedom for this test is n - 1 = 18 - 1 = 17.

Now, we need to determine the critical value for the t-distribution with 17 degrees of freedom and a one-tailed test at a significance level of 0.10. Consulting a t-table or using statistical software, the critical value is approximately -1.333.

Since the test statistic (t = -2.677) is less than the critical value (-1.333), we reject the null hypothesis.

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Answer:

x ≥ 10

Step-by-step explanation:

So put a filled-in dot on 10 and an arrow going to the right

Answer: x ≥ 10

Step-by-step explanation: i took the test

Answer: \(y + 7 = \frac{1}{3}(x - 6)\\\\\)

Work Shown:

\(y - y_1 = m(x - x_1)\\\\y - (-7) = \frac{1}{3}(x - 6)\\\\y + 7 = \frac{1}{3}(x - 6)\\\\\)

(a) To find the function f(t) for the distance between the two boats at time t, we need to calculate the distance between their positions. Let (x1, y1) represent the position of the first boat and (x2, y2) represent the position of the second boat. The distance between the two boats can be given by the formula:

f(t) = √((x2 - x1)² + (y2 - y1)²).

From the given parametric equations, we have x1 = 8t, y1 = 21² - 2t + 1, x2 = 2t, and y2 = 18 - 2t. Substituting these values into the distance formula, we have:

f(t) = √((2t - 8t)² + (18 - 2t - (21² - 2t + 1))²).

Simplifying further, we have:

f(t) = √((-6t)² + (18 - 21² + 2)²) = √(36t² + (399 - 18)²) = √(36t² + 381²).

Therefore, the function for the distance between the two boats at time t is f(t) = √(36t² + 381²)

(b) To determine when the boats are closest to each other, we need to find the minimum distance. We can minimize the function f(t) by finding the critical points. Let's take the derivative of f(t) and set it equal to zero:

f'(t) = (1/2)(36t² + 381²)^(-1/2) * 72t = 0.

Setting f'(t) = 0, we find that t = 0 is a critical point.

To verify that it is indeed a minimum, we can use the second derivative test. Taking the second derivative of f(t), we have:

f''(t) = (1/2)(36t² + 381²)^(-1/2) * 72 + (1/2)(-1/2)(36t² + 381²)^(-3/2) * 72t².

Substituting t = 0 into f''(t), we have:

f''(0) = (1/2)(36(0)² + 381²)^(-1/2) * 72 + (1/2)(-1/2)(36(0)² + 381²)^(-3/2) * 72(0)²

      = (1/2)(381²)^(-1/2) * 72 + (1/2)(-1/2)(381²)^(-3/2) * 0

      = (1/2)(381²)^(-1/2) * 72.

Since (381²)^(-1/2) is a positive constant, f''(0) is also positive.

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Answer:

Step-by-step explanation:

The arithmetic sequence usually write as \(a_{n}=a_{1} +(n-1)d\), where a1 is the first term and d is a common difference.

\(a_{n} = a_{1}+(n-1)d\\a_{n} = 0+(n-1)0.5\\\)

Answer:

  y = -6x +3

Step-by-step explanation:

You want the slope-intercept equation matching the given graph.

The line on the graph crosses the y-axis at the marked point (0, 3). Another point is marked at (1, -3), which is 1 unit right and 6 units down.

The first point tells you the y-intercept (b) is +3.

The second point tells you the slope (m) is rise/run = -6/1 = -6.

Then the point-slope equation is ...

  y = mx + b

  y = -6x +3

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The sum of the measures of the exterior angles of any polygon, including a triangle, is always 360 degrees.

We have,

An exterior angle of a polygon is formed by extending one of its sides outward.

In the case of a triangle, when we extend each side, we create three exterior angles.

These exterior angles are located outside the triangle.

The key concept to understand is that the sum of the exterior angles of any polygon is always 360 degrees.

This property holds true for all polygons, regardless of their shape or size.

To visualize this, imagine starting at any vertex of a triangle and moving along its sides while measuring the exterior angles.

As you move around the triangle, the sum of the exterior angles will always add up to 360 degrees.

This is because, at each vertex, the exterior angle supplements the interior angle to form a straight angle of 180 degrees.

In a triangle, each interior angle measures less than 180 degrees.

So, when we extend each side to create the exterior angles, they collectively compensate for the deficiency of the interior angles, resulting in a sum of 360 degrees.

Therefore,

The sum of the measures of the exterior angles of a triangle is always 360 degrees.

This principle holds true for all polygons, making it a fundamental property of geometry.

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Answer:1.24

2.7 27/56

3.3/4

4.1 2/3

Step-by-step explanation:

Answer

Explanation

The system of the equation:

From (i)

Substitute x as (13 -3y)/2 into (ii)

Since y = 1, then we shall substitute for y as 1 in (iii) to get x

Therefore the solution to the system is:

Answer: 169.62%

Step-by-step explanation:

Answer:

50 is not a perfect square

Answer:

The maximum revenue Luci can make selling cookies in one day is $2,000.

The price she should sell the cookies to make the maximum revenue is $1

Step-by-step explanation:

W are given the following in the question:

x= -2000 p + 4000 ................ (1)

Therefore, revenue can be obtained as follows:

Revenue = R = px = p(-2000 p + 4000) = -2000p^2 + 4000p ........... (2)

Differentiating equation (2) with respect to p and equate to 0, we have:

dR / dp = -4000p + 4000 = 0 ................. (3)

From equation (3), we solve for p as follows:

-4000p + 4000 = 0

4000 = 4000p

p = 4000 / 4000

p = 1

Therefore, this implies that the price she should sell the cookies to make the maximum revenue is $1.

Substituting p = 1 into (2), we have:

Revenue = (-2000 * 1^2) + (4000 * 1)

Revenue = -2000 + 4000

Revenue = 2000

Therefore, this implies that the maximum revenue Luci can make selling cookies in one day is $2,000.

We would need 453 more observations to increase your confidence level to 95% certainty.

To determine the required number of observations to be 90% sure of being within ±2.5% of the population mean for an activity occurring 30% of the time, we'll use the sample size formula for proportions:

n = (Z^2 * p * (1-p)) / E^2

Here, n is the sample size, Z is the z-score corresponding to the desired confidence level, p is the proportion (30% or 0.30), and E is the margin of error (±2.5% or 0.025).

For a 90% confidence level, the z-score (Z) is 1.645. Plugging the values into the formula:

n = (1.645^2 * 0.30 * (1-0.30)) / 0.025^2
n ≈ 1023.44

So, you would need approximately 1024 observations to be 90% sure of being within ±2.5% of the population mean.

To increase the confidence level to 95%, the z-score (Z) changes to 1.96. Using the same formula:

n = (1.96^2 * 0.30 * (1-0.30)) / 0.025^2
n ≈ 1476.07

So, you would need approximately 1477 observations for a 95% confidence level.

To find the additional number of observations needed, subtract the initial sample size from the new sample size:

1477 - 1024 = 453

Therefore, you would need 453 more observations to increase your confidence level to 95% certainty.

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Michael needs to analyze the population data, demographics of the city, and the competition in the area to determine whether or not to open a new store.

Michael is trying to determine where to open two new store locations. He has population data to determine the amount of revenue he will receive for each location.

He is charged a $1000 fee for opening a new store at a certain location. However, he is unsure whether the population of the city would be large enough to warrant opening a new store at that location.

The first step that Michael needs to take is to analyze the population data that he has.

Based on the population data, he needs to make an informed decision about whether or not to open a new store at that location. This would require him to take into consideration the average income of the population as well as the demographics of the city.

Another important factor that Michael needs to take into consideration is the competition in the area. If there are already several stores in the area, then opening a new store might not be a good idea.

This is because the competition would be too high and he would not be able to generate enough revenue to make up for the cost of opening a new store.

However, if there are no stores in the area, then Michael might consider opening a new store. This would require him to invest a significant amount of money, but he could also generate a significant amount of revenue in return.

Additionally, he needs to take into consideration the cost of opening a new store and whether or not he can generate enough revenue to make up for that cost.

Overall, Michael needs to carefully analyze all the data that he has before making an informed decision about where to open new store locations.

In conclusion, Michael needs to analyze the population data, demographics of the city, and the competition in the area to determine whether or not to open a new store. If the population is large enough and there is no competition in the area, then he should consider opening a new store. However, if there is already a significant amount of competition in the area, then he should avoid opening a new store.

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To understand this, we need to first understand what the negative sign in front of the parentheses means. In math, the negative sign represents the opposite or inverse of a number. So, -3 means the opposite of 3.

Now, when we have -(-3), we are essentially finding the opposite of the opposite of 3. In other words, we are finding the number that is 3 units to the right of 0. Therefore, the correct answer for Question 7 is "It is 3 units to the right of 0".

Moving on to Question 8, we are given a blank to fill in. Without any context or information provided, it's hard to give a specific answer. However, if we assume that the question is related to the topic of number lines and coordinates, we can make an educated guess.

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Answer:WAIT HE IS TELLING THE TIME

Step-by-step explanation:

Answer:

1. 73.2

2. 90

3. 80

4. 80

Step-by-step explanation:

you will have to divide 3,600 by 50

Answer:

None of them...

Step-by-step explanation:

3,600 ÷ 50 = \(\frac{1}{4}\)

5,400 ÷ 60  = \(\frac{3}{4}\)

6,400 ÷ 80  = \(\frac{6}{5}\)

7,200 ÷ 90 = \(\frac{63}{20}\)

Did you read the problem correctly?

Answer:

Step-by-step explanation: 13 is a prime number because Its only divisors are 1 and 13.

13 is a prime number because It can only be divided by 1 and 13.

What are prime numbers?

Prime numbers are natural numbers that are divisible by only 1 and the number itself. In other words, prime numbers are positive integers greater than 1 with exactly two factors, 1 and the number itself. Some of the prime numbers include 2, 3, 5, 7, 11, 13, etc. Always remember that 1 is neither prime nor composite. Also, we can say that except for 1, the remaining numbers are classified as prime and composite numbers. All prime numbers are odd numbers except 2, 2 is the smallest prime number and is the only even prime number.

First Ten Prime Numbers

The first ten prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.

Now,

As 13 has only two factors, 1 and 13.

Hence,

          It is a prime number.

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Option (A) is the correct option and on simplifying the expression by combining like terms we get,

24 - 3p.

Here, we have,

Given, the expression 6(4 - 2p) + 9p

On simplifying, we get

24 - 12p + 9p

24 - 3p

So, on simplifying the given expression, we get

24 - 3p

Hence, Option (A) is the correct option and on simplifying the expression by combining like terms we get,

24 - 3p

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The area of parallelogram with "one angle of a parallelogram is 120 degrees, and two consecutive sides have lengths of 8 inches and 15 inches" is 60√3 inch².

A quadrilateral with the opposing sides parallel is called a parallelogram (and therefore opposite angles equal). A parallelogram with all right angles is known as a rectangle, and a quadrilateral with equal sides is known as a rhombus. A parallelogram is a geometric shape with sides that are parallel to one another in two dimensions. It is a type of polygon with four sides (also known as a quadrilateral) in which each parallel pair of sides is the same length.

Here,

A parallelogram has adjacent angles that add up to 180 degrees.

Since one angle of parallelogram is 120°.

240+2x=360

2x=120

x=60

The other will be 60°

The area of parallelogram= lh

l=15 inch

h=b(sin 60°)

=8*√3/2

h=4√3 inch

area of parallelogram= 15*4√3

= 60√3 inch²

The parallelogram's area is 60√3 inch² when "one angle of a parallelogram is 120 degrees, and two consecutive sides have lengths of 8 inches and 15 inches."

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The value of 'x' that makes (f - g)(x) equal to zero, the answer is x = 12.

To find the value of 'x' for which (f - g)(x) = 0, we need to determine the value of 'x' that makes the difference between f(x) and g(x) equal to zero.

Given:

f(x) = 16x - 30

g(x) = 14x - 6

To calculate (f - g)(x), we subtract g(x) from f(x):

(f - g)(x) = f(x) - g(x)

= (16x - 30) - (14x - 6)

= 16x - 30 - 14x + 6

= 2x - 24

We set (f - g)(x) equal to zero and solve for 'x':

2x - 24 = 0

Adding 24 to both sides of the equation:

2x = 24

Dividing both sides by 2:

x = 12

The solution is x = 12 for the value of "x" that causes (f - g)(x) to equal zero.

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Answer:

B

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

Answer:

850 miles

Step-by-step explanation:

  Distance = r * t

Going:

     d = 50 * x = 50x

Returning:

      d = 55*(32 - x)

        = 55*32 - 55*x

        = 1760 - 55x

As the distance covered is same,

   50x = 1760 - 55x

50x + 55x = 1760

    105x = 1760

           x = 1760 ÷ 105

          x = 17 hours

       d = 17 * 50

           = 17*50

           = 850 miles

The probability that one is selected is the likelihood

The probability that one is selected at least once is 0.704

The sample space is given as:

S = {1,2,3}

The probability that 1 is not selected at all is:

P'(None) = 2/3

The probability that one is selected at least once is calculated using the following complement rule

P(At least once)  = 1 - P(None)^3

This gives

P(At least once) = 1 -(2/3)^3

Evaluate

P(At least once) = 0.704

Hence, the probability that one is selected at least once is 0.704

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