help me out pls
What does obliviousness mean?
• 1.
being interested in something
• 2. being unaware of something
( 3. being impressed by something
hm
• 4. being confused by something

Korey’s gross profit margin last month will be equal to 55.7%.

The gross profit margin is a profitability ratio. Profitability ratios measures the efficiency with which a company generates profit from its asset. Gross profit margin measures the return on sales.

Gross profit margin = net income / gross profit

$1850 / 3320 = 0.557 = 55.7%

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Answer:

The answer is actually a. 42.5%

Step-by-step explanation:

Correct on edg. 2022

Answer:

Option D: x = -2; x = 3/4

Step-by-step explanation:

Hello!

We can factor this expression and then find the zeroes to find our solutions.

We have to factor by grouping. Multiply the 1st and last term, 4x² and -6 is -24x², and find two factors that equal to -24x² and add up to the second term, 5x. 8x and -3x work for this.

Now, set the equation equal to zero.

Remember, if two numbers, a and b, multiply to 0, either a or b or both numbers must be zero. So now we set both factors to zero, hence the zero-product property.

And the next one:

The solutions are x = -2, and x = 3/4, or Option D

Answer:

0.1s + 125 < 180

Answer:

A

Step-by-step explanation:

it a because it there the right answer

Answer:

10 meters is equivalent to 1000 cm and 0.01 kilometers

Step-by-step explanation:

Answer:

So, a.0, b.1/10, c.81, d.1/64

Step-by-step explanation:

Part A, anything raised to the power of zero is equal to zero. So suppose we have a constant, b, and we raise it to the power of zero, so b^0, it'll always be 0.

Part B, a negative power essentially means that you'll have to inverse the number. Once again, if we have a constant, b, and we raise it to the power of -1, it'll end up being 1/b. So b^-1 = 1/b.

Part C, its simply just multiplying 3 with itself four times.

Part D, as mentioned before, anything raised to a negative power means that you need to inverse the number. So 4^-3 is equal to 1/4^3, meaning that its just 1/64.

Answer:

[tex]y =\dfrac{-1}{2}x +4[/tex]

Step-by-step explanation:

Equation of the line: y = mx +b

y = 2x + 7

m = 2

Slope of the perpendicular line = [tex]-\frac{1}{m}[/tex]

   [tex]\sf m_1 =\dfrac{-1}{2}[/tex]

Equation of the perpendicular line:

             [tex]y= \dfrac{-1}{2}x + b[/tex]

This line is passing throught (2 ,3). Substitute the x & y coordinate in the above equation and now we can obtain the value of b (y-intercept)

           [tex]\sf 3 = \dfrac{-1}{2}*2+b\\\\3 = -1 + b\\[/tex]

   3  +  1 = b

          4 = b

Equation:

      [tex]y =\dfrac{-1}{2}x +4[/tex]

Answer:

10+51+17=78

Step-by-step explanation:

Alright, so at first I just took a random number and kept on working it out until I got the exact answer as 78. Finally, i got the third number as 17. Now, i know the third number is 7 more than the first so I have to subtract 17 and 7, 17-7=10. So the first number is 10. Ok, now i know that the second number is 3 times the third number (17) so you should multiply, 17x3=51. 51 is the 2nd number.

1st number=10

2nd number=51

3rd number=17

Add them, 10+51+17=78.

Answer:

Step-by-step explanation:

In the question we are given ,

So , we are assuming that ,

We are finding the solution by adding all these term and equating it with 78 because sum of these three numbers is equal to 78 .

Here we go ,

[tex] \longrightarrow \: x + 3(x + 7) + x + 7 = 78[/tex]

Step 1 : Solving the bracket part :

[tex] \longrightarrow \: \blue{x }+ \blue{ 3x} + \red{21} + \blue{ x} + \red{7 }= 78[/tex]

Step 2 : Adding like terms :

[tex] \longrightarrow \:5x + 28 = 78[/tex]

Step 3 : Transposing 28 to right hand side :

[tex] \longrightarrow \:5x = \green{78} - \green{28}[/tex]

Step 4 : Subtracting 28 from 78 :

[tex] \longrightarrow \:5x = 50[/tex]

Step 5 : Transposing 5 to right hand side :

[tex] \longrightarrow \:x = \cancel \frac{50}{5} [/tex]

Step 6 ; Cancelling 50 with 5 :

[tex] \longrightarrow \: \purple{\boxed{x = 10}}[/tex]

Therefore value of ,

Verification :

We are verifying our answer by adding the three numbers and it must be equal to 78 .

Therefore , our answer is correct .

Julian’s data shows that the recent seasons’s average jeans price is not $75.

Julian is a manager at a clothing store for teens.

He is analyzing the order for next season.

The average price is the mean price of an asset or security observed over some period of time

data for the previous 10 years suggests that teens are willing to spend an average of $75 for a pair of designer jeans with a standard deviation of $5.

however, Julian thinks the average may have changed due to a recession.

The answer is A).

Julian’s data shows that the recent seasons’s average jeans price is not $75.

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Answer:

Julian’s data shows that the recent seasons’ average jeans price is not $75.

Step-by-step explanation:

edge 2022

Answer:

Given that the p-value is greater than 0.05, rejecting the null hypothesis and concluding that the mean time was not greater than 60 minutes

Step-by-step explanation:

I got it right on AP Classroom

Answer: 14m+8n

Step-by-step explanation:

Simplify the expression

6m+3n+8m+5n

6m+8m+3n+5n

14m+8n

It is the same expression except that it is simplified and contains only 2 terms

Answer:

B as the number of molecules increases the volume increases

Step-by-step explanation:

Answer:

[tex]\frac{x^{2} }{21}[/tex]

Step-by-step explanation:

1. Combine multiplied terms into a single fraction

2. Eliminate quotient in numerator

3. Multiply the numbers

Solution: [tex]\frac{x^{2} }{21}[/tex]

Answer:

When we multiply 4\7, 5\3 and 3\4, then the answer will be 5\7.

The number of pounds of peaches is 6 pounds and the number of pounds of apples is 18 pounds

Given:

cost of peaches per pound = $4

cost of apples per pound = $2

Total amount spent = $60

Total pounds bought = 24

let

x = number of peaches

y = number of apples

x + y = 24 (1)

4x + 2y = 60 (2)

multiply (1) by 2

2x + 2y = 48 (3)

4x + 2y = 60 (2)

subtract (3) from (2)

4x - 2x = 60 - 48

2x = 12

x = 12/2

x = 6

substitute x = 6 into (1)

x + y = 24 (1)

6 + y = 24

y = 24 - 6

y = 18

Therefore, the number of pounds of peaches is 6 pounds and the number of pounds of apples is 18 pounds

Thus its an obtuse angle triangle.

=============================

Acute triangle means they measure less than 90°

Right triangle means a triangle with 90°

Obtuse triangle has one angle greater than 90°

Obtuse

Check one angle is streched like it's greater than 90°

So

it's an obtuse triangle

Answer:

y=0.75x

Step-by-step explanation:

$3 for every 4 hours

$0.75 for every hour

y=0.75x

The equation relating the total cost (y) to the number of hours (x) is y = 0.75x.

The equation that relates the total cost (y) to the number of hours (x) can be derived from the given information. We know that the cost is $3 for 4 hours of feeding kookaburras.

The cost is proportional to the number of hours, and we can represent this relationship using a linear equation:

Cost = Rate × Hours

In this case, the rate is the cost per hour, which is $3 / 4 hours = $0.75 per hour.

Therefore, the equation relating the total cost (y) to the number of hours (x) is:

y = 0.75x

Here, "y" represents the total cost, and "x" represents the number of hours. This equation reflects the linear relationship between the total cost and the number of hours of feeding kookaburras in the zoo.

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Answer:  Median

The median is not affected by large or small outliers.

The mean on the other hand is affected by outliers. The more distant the outlier, the more skewed the mean will be.

For example, home prices will have a larger than normal mean because of very rich mansions which are far above the average group. This is why the median home price is a more useful measure of center.

A poll worker analyzing the ages of voters found that μ = 65 and σ = 5. The possible voter age that would give her zx = 1.14 is 71.

In statistics, Standard deviation is a measure of the variation of a set of values.

σ = standard deviation of a population

N = number of observations of population

X = mean

μ = population mean

It is given that the random variable,

X = The ages of voters

μ = The analysis is having mean of 65

Standard deviation = 5

X = normal (65,5) Now, we will convert it into Z-score concept ,

Z = x - 65/ 5

z = 1.14

X = 65 + 5z

So, X = 65 + 5(1.14)

         = 65 + 5.7

         = 70.70

Therefore, We can also write it by rounding off the value,i.e.=71

The possible voter age that would give her zx = 1.14 is 71.

Learn more about standard deviation

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Answer:

C, 71

Step-by-step explanation:

quiz edge

Answer:

The probability of all events occurring is 1

(1/6)+p=1

p=1-1/6

p=5/6

The probability of not rolling 5 is 5/6

Or you could have just said there are five numbers other than 5 out of the six so:

5/6

Answer:

ask your classmates what is there shoe sizes are

Step-by-step explanation:

Answer:

V= 22800 unit^3

Step-by-step explanation:

hope this helps :)

Answer:

7/15

Step-by-step explanation:

2/3 of those means 2/3 of the 7/10 books sold by the used book store

2/3 of 7/10 means 2/3 * 7/10 = 14/30 = 7/15

Hope this helps :)

Have a nice day!

The expression that models d, the horizontal distance in inches of the pendulum from the center as a function of time, t, in seconds is d=9cosine[(π/2)t] option second is correct.

It is defined as the number of waves that crosses a fixed point in one second, known as frequency. The unit of frequency is per second.

The pendulum takes 2 seconds to swing a horizontal distance of 18 inches from right to left.

For swing back from left to right, it takes again 2 seconds to cover a horizontal distance of 18 inches.

The total time to complete the one cycle = 4 seconds

Thus, the frequency is the reciprocal of the time

f = 1/4

The expression for the angular speed is:

w = 2πf

w = 2π(1/4)

w = π/2

The distance of the pendulum from the center A = half the horizontal                                  

                                                                                 distance of 18 inches

A = 18/2

A = 9 inches

We know the cosine function for the pendulum is given by:

d = Acosine(wt)

d = 9cosine(πt/2)  or

d = 9cosine[(π/2)t]

Thus, the expression that models d, the horizontal distance in inches of the pendulum from the center as a function of time, t, in seconds is d = 9cosine[(π/2)t]

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Using the combination formula, it is found that there is a 0.1 = 10%  probability of randomly choosing the correct pair of answer options

[tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by:

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

In this problem, 2 answers are chosen from a set of 5, hence the total number of options is given by:

[tex]C_{5,2} = \frac{5!}{2!3!} = 10[/tex]

Only one pair is correct, hence the probability of randomly choosing the correct pair of answer options is given by:

p = 1/10 = 0.1 = 10%.

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Answer:

The answer is 3. 1. There is '0' point of intersection, that means they do not intersect. This only possible when the lined are parallel to each other.

'c' can be any real number except 4 for which the considered system would have no solution.

When both the lines(represented by both the equations) are parallel and not coincident, then that system of linear equations have no solutions as there is no common point on both line.

If they are coincident (lying over each other), then there will have infinite solution since in that case, they will have infinite points in common.

Thus, if two lines are not in any of above case, they intersect at single point and in that case, the considered system of equation has unique single solution.

If the slope of a line is m and the y-intercept is c, then the equation of that straight line is given as:

[tex]y = mx +c[/tex]

Parallel lines(non-coincident) have same slope but different y-intercept.

Converting these equations to slope-intercept form, we get:

For first line:

[tex]\dfrac{1}{2}x + \dfrac{1}{5}y = 2\\\\ \dfrac{1}{5}y = 2 - \dfrac{1}{2}x\\\\y = 10 - \dfrac{5}{2}x\\\\y = -\dfrac{5}{2}x + 2[/tex]

and

For second line:

[tex]5x + 2y = c\\\\y = \dfrac{1}{2}c - \dfrac{5}{2}x\\\\y = -\dfrac{5}{2}x + \dfrac{c}{2}[/tex]

For no-solution, we need both lines to stay parallel but not coincident so that there is no common point (solution of this system) between those two lines.

Thus, we get:

[tex]2 \neq \dfrac{c}{2}\\\\\text{Multiplying 2 on both the sides}\\\\c \neq 4[/tex]

Since 'y' assumes real numbers assumingly, so 'c' can be any real number except 4 for which the considered system would have no solution.

Below is image attached of those parallel lines when c = 10.

Thus,  'c' can be any real number except 4 for which the considered system would have no solution.

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Answer:

I would be 3 8/10

Step-by-step explanation:

hope this helps

Answer: (-4, -5) in 3rd Quadrant

Step-by-step explanation: Reflection across x axis only flips the sign of y coordinate