M(8)<M(4) means that 8th drive was less expensive than 4th drive.
How to determine the meaning?M(n) denotes Aiden's fee (in dollars) for his n^th drive on a certain day.
The reason for the m(8) is that the model fee for this is nth driver for a certain day. this implies M (8) < M (4)
M(8) is Aiden's fee for his 8th drive;
M(4) is Aiden's fee for his 4th drive
In conclusion, Aiden's fee for his 8th drive is greater than his drive for the 4th drive
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how do i take a picture of my question
Answer:
command+shift+3
Step-by-step explanation:
hope this helped :)
Alex is standing at the 2 o’clock position on a circle in the center of a soccer field. He passes the ball to a player who is located at the 10 o’clock position. The radii to the positions of the two players forms a central angle at the circle. What are the degrees in radian measures of the angle?
The degrees in radian measures of the angle is 240 degrees or 4.188 radians.
What is central angle in circle?The central angle of a circle is the angle formed by two of its radii. the two places on either side of the circle where the radii meet.
The angle measure between two consecutive numbers on a clock is 360/12 = 30 degrees.
At 2 the clock hand is at 2, the angle is:
30(2) = 60 degrees.
At 10, the angle is:
30(10) = 300 degrees
The angle between 2 and 10 is:
300 - 60 = 240 degrees.
Hence, the degrees in radian measures of the angle is 240 degrees or 4.188 radians.
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please answer. much appreciated
Answer:
below
Step-by-step explanation:
The upper and lower horizontal lines are parallel
so y = 71° alternate angles with transverse line
then z = 180 - 71 - 65 = 44° ( interior angles of a triangle sum to 180 °)
find 160% of 98
please help
Answer:
156.8
Step-by-step explanation:
1.6 * 98
a positive correlation indicates that: as the value of one variable increases, the value of the other increases. as the value of one variable increases, the value of the other decreases. little or no relationship exists between two variables. one variable causes the other.
A positive correlation indicates that: the value of one variable increases, the value of the other increases.
There are many instances in daily life where we employ related variables, such as height and weight. Ice cream sales rise in tandem with rising temperatures. Therefore, we refer to two variables as being correlated when they are connected. There are 4 different kinds. i.e., a perfect correlation, a perfect correlation, a negative correlation, and no correlation.
The supplied two variables move in the same direction when there is a positive correlation (i.e increasing together o decreasing together). So, in this case, the correlation coefficient is positive. We may claim that as one variable rises, the other variable likewise increases since they are going in the same direction.
The necessary response is,
As the values of one variable increase, the values of the other variable also tend to increase.
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Complete question: Two variables have a positive association when
a. the values of one variable tend to increase as the values of the other variable increase.
b. the values of one variable tend to decrease as the values of the other variable increase.
c. the values of one variable tend to increase regardless of how the values of the other variable change.
d. the values of both variables are always positive
PLEASE HELP!! (Click on Image for proper answer)
Copy the diagram and write in the size of all the other angles.
Work out the unknown angles a, b and c.
113°
(Questions 5 and 6)
Geometry help needed!
Work Shown:
y+47 = 90
y = 90-47
y = 43
Given :-
AB and CD are straight lines segments.To find:-
The value of "y" .Answer:-
Firstly as we know that the measure of a straight line is 180° . The given line is made up of 3 angles , which are 47° , y° and one right angle i.e. 90°.
So the sum of all these angles will be 180° as these are the angles of a straight line.
So that,
[tex]\implies 47^o + y^o + 90^o = 180^o\\[/tex]
[tex]\implies 137^o + y^o = 180^o \\[/tex]
[tex]\implies y^o = 180^o-137^o\\[/tex]
[tex]\implies \underline{\underline{ y = 43}} \\[/tex]
Hence the value of y is 43 .
and we are done!
Q1. The lines y=x+1 & x+2y =8 cut the y-axis at P and Q respectively.
(a) Find the y-coordinates at P and Q.
Ian worked 25 hours at the grocery store last week and 36 hours this week. What is the percent change?
Since, Ian worked 25 hours at the grocery store last week and 36 hours this week. Therefore, the percent of change is a decrease of 44% in work efficiency.
Given that:
Last week working hour of Ian is 25 hours.
Current week working hour of Ian is 36 hours.
Now,
First, subtract to find the amount of change:
36 - 25 = 11.
Therefore, The decrease is 25.
Next, divide the amount of change by the original amount:
11 ÷ 25 = 0.44
Now, to change the decimal to a percent, multiply the number by 100:
0.44 x 100 = 44%
The answer is 16.7%.
Therefore, the percent of change, a decrease of 44% in working efficiency.
Complete Question:
Lan worked 25 hours at the grocery store last week and 36 hours this week.
What is the percent change?
O 44% Increase
O 44% Decrease
O 31% Increase
O 31% Decrease
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Which of the following are solutions to the equation below?
CHECK ALL THAT APPLY.
(image attched
The solutions to the quadratic equation x² - 10x + 25 = 17 are x = -√17 + 5 and x = √17 + 5.
What are the solutions to the quadratic equation?The quadratic equation in its standard form is;
ax² + bx + c = 0
Where x is the unknown .
To find x, we use the quadratic formula;
x = (-b±√(b² - 4ac)) / (2a)
Given the quadratic equation in the question.
x² - 10x + 25 = 17
First, we rearrange in standard form
x² - 10x + 8 = 0
a = 1b = -10c = 8Plug these values into the quadratic formula above and solve for x.
x = (-b±√(b² - 4ac)) / (2a)
x = ( -(-10) ±√( (-10)² - 4×1×8)) / (2×1)
x = ( 10 ±√( 100 - 32 )) / 2
x = ( 10 ±2√17 ) / 2
x = 10/2 ± (2√17)/2
x = 5 ± √17
x = ±√17 + 5
x = -√17 + 5 and x = √17 + 5
Therefore, the solutions are x = -√17 + 5 and x = √17 + 5.
Option (B) and (F) are the correct answer.
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Calculate the pressure if there is 506 N of force spread out over the area of 9.1 m
The required pressure for the given information is 55.6 N/m².
How to find pressure using force and area?Pressure is defined as the force exerted per unit area. It can be calculated by dividing the force by the area over which it is spread. In this case, the force is 506 N and the area is 9.1 m², so the pressure can be calculated as follows:
Calculation for data:pressure = force / area
= 506 N / 9.1 m²
= 55.6 N/m².
The unit of pressure is N/m² or Pascal (Pa). Therefore, the pressure in this case is 55.6 Pa. This means that for every square meter of area, there is a force of 55.6 N acting on it. The pressure can be used to determine the force required to cause deformation of an object, the amount of gas in a container, and many other physical phenomena.
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in an emergency department, patients are assessed and placed in a categorical scale of 1, 2, 3, 4, or 5 based on the severity and urgency of their medical needs. how many dummy variables would be needed to include this categorical variable in a regression model?
Total 4 dummy variables would be needed to include this categorical variable in a regression model.
A regression analysis serves as the foundation for many types of forecasting and determining the effects on target variables. When you hear about studies in the news about fuel efficiency, pollution causes, or the effects of screen time on learning, a regression model is frequently used to back up their claims.
A dummy variable (also known as an indicator variable or simply dummy) in regression analysis is one that takes the values 0 or 1 to indicate the absence or presence of some classification impact that may be predicted to shift the result.
Total 4 dummy variables would be needed to include this categorical variable in a regression model.
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3. 7 identical balls are to be placed in 3 identical boxes. find the number of ways this can be done.
The probability 7C3 = 35 possible ways to place 7 identical balls into 3 identical boxes.
The number of ways to place 7 identical balls into 3 identical boxes can be calculated by using the combination formula. The formula for combinations is nCr = n! / (r! (n-r)!), where n represents the total number of items and r represents the number of items being chosen. In this case, n = 7 and r = 3, so the formula becomes 7C3 = 7! / (3! (7-3)!). This simplifies to 7C3 = 7! / (3!4!) = 35. Therefore, there are 35 possible ways to place 7 identical balls into 3 identical boxes.
In each case, the balls can be placed into one box, two boxes, or three boxes, depending on how many balls are placed in each box. If one ball is placed in each box, then the remaining four balls can be placed in any of the boxes, giving four possibilities. If two balls are placed in each box, then the remaining one ball can be placed in any of the boxes, giving three possibilities. Finally, if all seven balls are placed in one box, then there is only one possibility. When the combinations of each scenario are added together, the total number of possible ways to place 7 identical balls into 3 identical boxes is 35.
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The deck that Amos is building is in the shape of a parallelogram, DGRY.
The measure of 2D is five-halves the measure of ZY. Find the measure of
each angle of the deck.
m2D =
m2 =
mZR=
m_Y =
The measure of 2D is five-halves the measure of ZY, the measure of each angle of the deck.
m∠D = 128.57°m∠G = 51.43°m∠R = 128.57°m∠Y = 51.43°D and R are opposite sides & G and Y are also opposite sides.
So, we have:
∠D = ∠R = 5/2 ∠Y
and
∠G = ∠Y
The sum of angles is given as:
∠D + ∠G + ∠Y + ∠R = 360
Substitute values for ∠D, ∠G, ∠R
5/2 ∠Y + 5/2 ∠Y + ∠Y + ∠Y = 360
Multiply both sides by 2/14,
∠Y = 51.43
So:
∠G , ∠Y = 51.43
∠D = 5/2 ∠Y
∠D = 128.57
Therefore, measure of angle m∠D = 128.57°, m∠G = 51.43°, m∠R = 128.57°, m∠Y = 51.43°.
A parallelogram is a two-dimensional flat shape with four angles. The internal angles on either side are equal. The transversal's angles on the same side are supplementary, which means they sum to 180 degrees. As a result, a parallelogram's internal angles add up to 360 degrees.
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Ethan is saving up to buy a new jacket. He already has $45 and can save an additional $6 per week using money from his after school job. How much total money would Ethan have after 5 weeks of saving? Also, write an expression that represents the amount of money Ethan would have saved in
$75 is the total money would Ethan have after 5 weeks of saving.
What is Expression?An expression is combination of variables, numbers and operators.
Given that Ethan is saving up to buy a new jacket.
He already has $45 and can save an additional $6 per week using money from his after school job
45+6x is the expression for total money.
Now let us find the total money for 5 weeks.
45+6(5)
45+30
$75
Hence, $75 is the total money would Ethan have after 5 weeks of saving.
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The exterior angle of a regular polygon measures 8 ∘ . How many sides does the polygon have?
The number of sides in the regular polygon would be -
n{sides} = 360/K.
What is a polygon?In geometry, a polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain.
The bounded plane region, the bounding circuit, or the two together, may be called a polygon.
The segments of a polygonal circuit are called its edges or sides.
Given is that exterior angle of a regular polygon measures {K°}.
In a regular polygon, the size of each exterior angle =
m∠E = 360° ÷ n{Sides}
m∠E = 360°/n{Sides}
n{sides} = 360°/m∠E
n{sides} = 360/K
Therefore, the number of sides in the regular polygon would be -
n{sides} = 360/K.
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AP calculus...
Need answers...
The differentiation of the function would yield -e^-x.
How do you differentiate a function?Differentiation is the process of finding the derivative of a function. It measures the rate of change of a function at a given point. The derivative of a function can be found using the power rule, product rule, quotient rule, and chain rule. The derivative of a function can also be represented using the notation f'(x), where f'(x) represents the derivative of the function f(x) with respect to x.
For the exponential function that we have, the standard form of the derivative is that; dy/dx of e^nx = ne^nx.
Thus we have that the result is -e^-x
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5
Copy the diagram and write in the size of all the other angles.
Work out the unknown angles a, b and c
(It’s question 5)
On solving the provided question, we can say that angle a = 113
;angle b = 57;
angle c = 57
How do angles work?In Euclidean geometry, an angle is a shape made up of two rays, referred to as the angle's sides, that converge at a center point known as the angle's vertex.
Two rays can create an angle in the plane where they are arranged. Additionally, when two planes collide, an angle is created. Dihedral angles are what they are called. An angle is a possible shape for two rays or lines with a common termination in planar geometry. The English term "angle" derives from the Latin word "angulus," which meaning "horn." The vertex is the common endpoint of the two rays, also known as the sides of the angle.
from the 3rd figure, we have -
angle a = 113 ( vertical opposite angle)
angle b = 180 - a (Corresponding angles)
180 - 113 = 57
b = 57
angle c = 57 ( vertical opposite angle)
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Given a b, m<3= 5x + 10, and m<5 = 3x + 10, find the value of x. A. 110 b. 70 c. 20 d. 2. 5
The value of x is 20 degrees.
Supplementary angles:Two angles whose sum is 180° are called supplementary angles. If a straight line is intersected by a line, then there are two angles form on each of the sides of the considered straight line. Those two two angles are two pairs of supplementary angles. Meaning that if supplementary angles are aligned adjacent to each other, their exterior sides will make a straight line.
a ║ b, m∠3 = 5x + 10, and m∠5 = 3x + 10.
Thus interior angles are supplementary;
m∠3+ m∠5 = 180°
5x+ 10 + 3x + 10 = 180°
8x + 20 = 180
8x = 160
x= 160/8
x= 20°
Hence, the value of x is 20 degrees.
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$10,000 is compounded quarterly at 12% interest for tyears. What expression
represents the amount of money after tyears?
A. $10,000 (1+0.01)
B. $10,000 (1+12%)
C.
$10,000 (1+0.12)**
000 (1+0.12)
OD. $10,000
SUBMIT
The expression that represents the amount of money after t years when $10,000 is compounded quarterly at 12% interest is C. $10,000 (1 + 0.12)^4t.
What is compound interest expression?The compound interest formula or equation for finding the final amount after some years of the principal compounded at an interest rate is given as follows:
Formula for the Final Amount:
A = P(1 + r/n)^{nt}
Where:
A = The Final amount
P = The initial principal
r = interest rate
n = number of times interest applied per time period
t = number of time periods elapsed
Thus, the correct expression for finding the final amount after t years under the compound interest system is given by Option C.
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how long would it take to travel 3 km at a speed of 15 m/s
Answer:
200 seconds
Step-by-step explanation:
1 km = 1000m
3 km = 3000m
How long would it take to travel 3 km at a speed of 15 m/s?
The equation to solve this is:
Time = Distance / Rate
D = 3km or 3000m
R = 15 m/s
3000 divided by 15 = 200 seconds
So, it would take 200 seconds to travel 3 km at a speed of 15 m/s
Answer:
Below
Step-by-step explanation:
You need to have consistent units
3 km = 3000 m
Distance / rate = time
3000 m / 15 m/s = 200 seconds
Evaluate 1/5r + 9/20 when r = 1/4
1/5 ( blank) + 9/20 = blank + 9/20= Answer?
The value of the expression (1/5)r + 9/20 when r = 1/4 is 1/2.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
(1/5)r + 9/20
For r = 1/4,
(1/5) x 1/4 + 9/20
= 1/20 + 9/20
= 10/20
= 1/2
Thus,
The value of the expression is 1/2.
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How many solutions does the equation below have?
5
(
�
−
2
)
=
8
+
5
�
5(x−2)=8+5x
no solution
one solution
two solutions
infinitely many solutions
Answer:
It has no solution.
Step-by-step explanation:
5(x - 2) = 8 + 5x
5x - 10 = 8 + 5x
5x = 18 + 5x
0 = 18
The variable cancels out, so there is no solution to substitute it for.
Which value is NOT equivalent to the other values?
Answer: 0.4
Step-by-step explanation:
1/25 = 0.04 which is also 4% (.04 * 100)
a cpa has decided to use probability-proportional-to-size (pps) sampling, sometimes called dollar-unit sampling, in the audit of a client's accounts receivable balances. the most likely reason this sampling method was chosen is that
The CPA selected the probability-proportional-to-size (PPS) sampling technique because it enables the selection of items in a population in proportion to the items' sizes. This technique yields a more accurate audit by precisely measuring the population of accounts receivable balances.
CPAs frequently employ the probability-proportional-to-size (PPS) sampling technique, also known as dollar-unit sampling, when examining the receivables balances of their clients. With this approach, it is possible to choose population members based on how big they are. The CPA can precisely gauge the population of accounts receivable amounts as a result, which is advantageous. A more accurate audit is made possible by the fact that the larger items in the population are more likely to be chosen than the smaller ones. Additionally, when the sample size grows, the audit's accuracy rises as well, which is another reason CPAs like to employ PPS sampling in their audits. This approach is advantageous because it ensures that the CPA is assessing the population of accounts receivable balances precisely and that the audit is carried out in a precise and trustworthy manner.
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2 cos^2 x - 3 cos x +1 =0
Angle x's cosine is doubled in 2cosx, which ranges from [-2, 2]. The cosine of the angle 2x, or two times the angle x, is called cos 2x, and it lies between [-1, 1].
What makes 2cosx and cos2x different from one another?Trigonometric function cos 2 x is a cosine of angle that is twice as large as angle, whereas trigonometric function 2 cos x is twice as large as angle.
What is the equivalent of 2sinxcosx?Due to the fact that they contain an angle that is twice as large as the angle in their formulas, the identities and formulas of sin 2x, cos 2x, tan 2x, cot 2x, sec 2x, and cosec 2x are referred to as double angle formulas. 2sinxcosx is the sin 2x formula.
2•cos²(x) + cos(x) - 1 = 0
Factoring gives;
(2•cos(x) - 1)•(cos(x) + 1) = 0
2•cos(x) - 1 = 0
cos(x) = 1/2
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Can anyone help me with this please?
Answer:
75 degrees
Step-by-step explanation:
on the long line that goes out to 132 is a supplementary line so that means the angle next to 132 will make the line equal 180
180 - 132 = 48
so now we know the inside angles are 48 and 57
A triangle has 180 degrees in it so
x + 48 + 57 = 180
x + 105 = 180
x = 75
Calculate the ratio of the area of the two similar figures
The ratio of the area of the two similar figures is 9 : 16.
How to find the ratio of two figuresBased on the question above, by comparing side shape 1 with side shape 2.
6 : (6+2)
6 : 8
3 : 4
For the ratio of area between the two figures, you can square each one.
3 : 4 = 3² : 4² = 9 : 16
Similar polygons have the same angles and proportional sides. "Proportional" means that the lengths occur in equal proportions (e.g., if the base of triangle 1 is twice the length of the shortest side of triangle 1, then the base of triangle 2 is the length of triangle 2). twice the length of the shortest side).
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YOU GET 53 BRAINLY POINTS IF ANSWERED! ANSWER ASAP I NEED HELP THIS QUESTION IS VERY IMPORTANT IN MY WORK
Solve the following operation: 1 3/8+13/16-3/16+2/8-1/4
thanks to everyone who solves this,
-eliana44ever
Answer:
2
Explanation:
you need to find the common denominators. Looking at the problem, there are 3 different denominators. 8, 16, and 4. To tell the difference, here they are bolder and italicized to see the difference.
1 3/8+13/16-3/16+2/8-1/4
We can combine the common denominators, leaving us with this:
1 5/8+10/16-1/4
Then you need to make the denominators the same, and since 4 times 2 is 8, you can multiply the numerator and denominator by 2 so the denominator is 8. Then since you can divide 16 by 2 and it equals 8, and the numerator is even, you can divide the numerator and denomorator by 2 so the denominator is also 8. This ends up looking like this:
1 5/8+5/8-2/8
Then you need to combine the common denominators again, leaving you with this:
1 8/8
You can simplify that to simply “2”
(From the start you can also take the 1 and make the original operation into 11/8+13/16 etc., but for this equation it was possible to leave it out until the end and only write it as a placeholder and reminder until the very end. Then at the end I added back in.)
Tracy collected s gold stars in her video game in Level 1. She collected another 11 gold stars in Level 2. Choose the expression that shows the number of gold stars Tracy collected in all.
Answer:
Step-by-step explanation: