B or a because they are negative numbers
this 5th question ...please answer
Answer:
Im 47 and i have no idea
Step-by-step explanation:
thanks for 5 points
My victory will be in your hands if you answer this ✌✌✌✌✌
Add dress and shoes together:
30 + 25 = 55
1/5 off means the total after discount would be 4/5 ( 1 - 1/5 = 4/5)
Multiply total price by 4/5:
55 x 4/5 = (55 x4)/5 = 220/5 = 44
Total after discount is 44
Now add shipping:
44 + 8 = 52
Total paid = £52
Answer:
She will pay $52
Step-by-step explanation:
So she buys them both, which equals 55 dollars. But the website has a deal that is if you buy both of them it's 1/5 of the price off. And 1/5 of 55 is $11, so 55-11=44. You might think you're done but your not. At the end it says they add $8 for the shipping/handling, which is 44+8. This equals 52 dollars. By the way substitute this money sign $ for the one on your page
How to use graph of equation
Answer:
Locate the y-intercept on the graph and plot the point.
From this point, use the slope to find a second point and plot it.
Draw the line that connects the two points.
Step-by-step explanation:
Find the y intercept on the graph
Then from the points where the y intercept passes find the second point and graph it
Then draw the line where they connect
In 2019, selected automobiles had an average cost of $15,000. The average cost of those same automobiles is now $17,400. What was the rate of increase for these automobiles between the two time periods? (Enter your answer as a percentage, rounded to the neorest whole number.)
This means that the average cost of selected automobiles has increased by 16% between the two years.
Given data: The average cost of selected automobiles in 2019 = $15,000
The average cost of selected automobiles now (current year) = $17,400
Let's calculate the rate of increase in the average cost of the automobile between the two years.
To find the rate of increase, use the following formula;
rate of increase = increase in value / original value * 100
To get the increase in the value of selected automobiles, subtract the current year's average cost of selected automobiles from the previous year's average cost of selected automobiles.
i.e. increase in value = current year's average cost - previous year's average cost
= $17,400 - $15,000
= $2,400
Now put the values in the formula to get the rate of increase;
rate of increase = increase in value / original value * 100
= 2400 / 15000 * 100
= 16
Therefore, the rate of increase for selected automobiles between the two time periods is 16%.
It's essential to note the rate of increase or decrease in the value of products or services. It helps in decision making, future predictions, etc.
The above question deals with finding the rate of increase in the cost of selected automobiles. To get the rate of increase, the formula rate of increase = increase in value / original value * 100 is used.
To get the increase in the value of selected automobiles, subtract the current year's average cost of selected automobiles from the previous year's average cost of selected automobiles. i.e. increase in value = current year's average cost - previous year's average cost.
The value of selected automobiles was $15,000 in 2019, and now it is $17,400.
Now, the rate of increase in the average cost of automobiles can be found using the formula rate of increase = increase in value / original value * 100.
Put the values in the formula to get the rate of increase.
Therefore, the rate of increase for selected automobiles between the two time periods is 16%.
It indicates that if a person had bought an automobile in 2019 for $15,000, he has to pay $17,400 for the same automobile now.
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Netflix would like to estimate the proportion of their current subscribers who would pay extra for a premium membership including access to more movies and tv shows. To do this, they plan to calculate a 95% confidence interval to estimate the proportion. They would like a margin of error of. 5. How many subscribers must they sample to obtain this interval?.
They must sample 385 subscribers to obtained this interval.
What do you mean by sample?
An outcome of a random experiment is a sample. A random variable is sampled when we choose one particular value from its range of potential values.
According to the given question,
We have:
95% confidence interval for z-score is 1.96
Using this formula to find the number of subscribers they must sample to obtain this interval
n≥ (zσ/2 ÷ 2ME)²
Where:
n= Sample
zσ = Z-score
ME = margin of error
Let put in the formula,
n≥ [1.96 / 2(0.05)]²
n≥ [1.96 / 0.1]²
= (19.6)²
= 384.16
=385 (Rounded)
Therefore, they must sample 385 subscribers to obtained this interval.
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Select the correct answer
can someone pleas help with this?? (i really prefer you editing on it but i honestly need this due today!!, please take your time).
Answer:
She used 5/8 of the seeds.I think the second one is 7/8 but I'm really not sure I understand what they are asking... Its weirdly worded.Step-by-step explanation:
1.
1/4 of 2 1/2
(1/4) times 5/2
5/8 of the seeds were used.
2.
1/2 of 1 3/4
(1/2) times 7/4
7/8
Three possible products whose factors multiply to −7 are
Answer:
-14 (-7 x 2) -21 (-7 x 3) -28 (-7 x 4)
Step-by-step explanation:
Function f is a linear function and function g is defined by g(x) = f(x) + k. If the value of k is 7, how does the graph of g compare with the graph of f ?..
The graph of g is the graph of f
translated up 7 units
translated left 7 units
translated right 7 units
translated down 7 units
stretched vertically by a scale factor of 7
stretched horizontally by a scale factor of 7
The graph of g is Transformation up 7 units.
what is Transformation?
A graph transformation is a method for altering an existing graph or graphed equation to create a different version of the graph that follows. The modification of algebraic equations is a typical form of algebraic issue.
solution:
From the question, we have the following parameters that can be used in our computation:
g(x) = f(x) + k
Also, we have the value of k to be
k = 7
From the question, we can interpret g(x) = f(x) + k as f(x) is shifted up by k units
This means that
g(x) = f(x) + k
So, we have
g(x) = f(x) + 7
Hence, the transformation is (a) translated up 7 units
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Zoey has 99 years .She plans to make 5 bangles .Each bangle is made using 30 beads how many more beads does zoey need?
Note: I am assuming you meant to say:
Zoey has 99 beads instead of 99 years.Answer:
Zoey needs 51 more beads to make 5 bangles.
Step-by-step explanation:
Total number of beads Zoey currently has = 99 beads
Beads need to make one bangel = 30 beads
so
Beads need to make 5 bangles = 30 × 5 = 150 beads
Since she has already 99 beads.
So, all we need s to subtract 99 beads from 150 beads.
Therefore,
The number of beads Zoey needs = 150 - 99
= 51 beads
Thus, Zoey needs 51 more beads to make 5 bangles.
If -6x+12=0 and 4y + 5=9, what is the value of ×+y
Answer:
x=2 y=1 x+y= 2+1=3 3 is the value of x+y
Step-by-step explanation:
Answer:
X=2, Y=1
X+Y=3
Step-by-step explanation:
-6x+12=0. first subtract 12 from each side
-6x=-12 now divide both sides by -6
X=2
4y+5=9. subtract 5 from each side
4y=4 divide both sides by 4
Y=1
2+1=3
can yall help on 1-3
Answer:
1: C
2: a is true
b is false
c is true
d is true
i dont 3 sorry
Step-by-step explanation:
hat formula is used to gain information about an individual data value when the variable is normally distributed?
The formula used to gain information about an individual data value when the variable is normally distributes is, Z = (X - μ)/σ.
What is standard normal distribution?
The standard normal distribution, also known as the z-distribution, is a unique type of normal distribution in which the mean and standard deviation are both equal to 1.
Any normal distribution's values can be transformed into z scores to standardize it.
Z scores indicate the number of standard deviations away from the mean that each value represents.
The Z score is determined by the number of standard deviations above or below the mean for the standard normal distribution.
When a variable (let's say X) is normally distributed, then to get insights from its distribution, we transform it (i.e. X) into standardized variable (which constitutes "Standard" Normal Distribution).
Standardized variable, Z, is given by (X - μ)/σ
Hence, option B is correct answer. Z = (X - μ)/σ.
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Complete question:
Complete question is attached below.
find the velocity and acceleration vectors in terms of and . r= 2cost and theta = 9t
So the velocity vector is v = (-2sin(t)) i + (2cos(t)) j, and the acceleration vector is a = (-2cos(t)) i + (-2sin(t)) j, both in terms of t.
Given
r= 2cost and theta = 9t
To Find
the velocity and acceleration vector
Solution
We can start by expressing the position vector r in terms of the Cartesian coordinates x and y:
x = r cos(theta) = 2cos(t)
y = r sin(theta) = 2sin(t)
To find the velocity vector, we can take the time derivative of the position vector:
v = (dx/dt) i + (dy/dt) j
where i and j are the unit vectors in the x and y directions, respectively.
Taking the derivatives:
dx/dt = -2sin(t)
dy/dt = 2cos(t)
Substituting these back into the velocity vector equation:
v = (-2sin(t)) i + (2cos(t)) j
To find the acceleration vector, we can take the time derivative of the velocity vector:
a = (d^2x/dt^2) i + (d^2y/dt^2) j
Taking the derivatives:
d^2x/dt^2 = -2cos(t)
d^2y/dt^2 = -2sin(t)
Substituting these back into the acceleration vector equation:
a = (-2cos(t)) i + (-2sin(t)) j
So the velocity vector is v = (-2sin(t)) i + (2cos(t)) j, and the acceleration vector is a = (-2cos(t)) i + (-2sin(t)) j, both in terms of t.
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What is the size of gnus Angel
The magnitude of the indicated angle is 200°.
We must determine the angle's size.
We are aware that the total angle on either side of the line is 180 degrees.
The portion of the angle above the line that must be 180 degrees if we continue the straight line to the right.
Now, Measure the angle by positioning the protractor at the intersection of both line segments.
The angle must be between 15° and 25°.
So, the overall angle is
= 180° + 20°
= 200°.
Consequently, the magnitude of the indicated angle is 200°.
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Solve the right triangle table
The measure of the angle m∠B is equal to 41°. Using the sine rule the lengths of a and b are 9.6 and 8.3 respectively.
What is the sine ruleThe sine rule is a relationship between the size of an angle in a triangle and the opposing side.
We shall first evaluate for the angle m∠B as follows:
m∠A + m∠B + m∠C = 180° {sum of interior angles of a triangle}
49° + B + 90° = 180°
B + 139° = 180°
B = 180° - 139° {subtract 139° from both sides}
m∠B = 41°
12.7/sin90° = a/sin41
a = (12.7 × sin49)/sin90° {cross multiplication}
a = 9.5848
12.7/sin90° = b/sin49
b = (12.7 × sin49)/sin90 {cross multiplication}
b = 8.3319
Therefore, the measure of the angle m∠B is equal to 41°. Using the sine rule the lengths of a and b are 9.6 and 8.3 respectively.
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10. Susan's red notebook cover is 20 centimeters by 30 centimeters. She has a sticker for each letter in her name. Each sticker is a square that measures 3 centimeters on each side. She puts all 5 stickers on her notebook. How much of the red notebook cover is still showing? A 600 square centimeters B 591 square centimeters c 585 square centimeters D 555 square centimeters
The answer is D) 555 square centimeters. To solve this problem, we need to first find the total area covered by the stickers.
Since each sticker is a square with sides measuring 3 centimeters, the area of each sticker is 3 x 3 = 9 square centimeters. Susan has 5 stickers, so the total area covered by the stickers is 5 x 9 = 45 square centimeters. To find the area of the red notebook cover that is still showing, we need to subtract the area covered by the stickers from the total area of the notebook cover. The total area of the notebook cover is given as 20 x 30 = 600 square centimeters. Subtracting the area covered by the stickers (45 square centimeters) from the total area gives us:
600 - 45 = 555 square centimeters
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A local restaurant recently began to offer an eat-in pizza promotion for their famous double-decker pizza. When priced at $17.99/person, the promotion attracted 112 customers per day on average. When they raised the price to $19.99/person they attracted an average of only 96 customers per day.
What price should the promotion be set at to generate the maximum daily profit?
Answer:
the price that generates maximum profit is $152.94, rounded to the nearest cent.
Step-by-step explanation:
Let's begin by finding the profit generated by the promotion at each price point.
At $17.99/person:
Profit = Revenue - Cost
Profit = $17.99 x 112 - (10 + 5 + 3) x 112
Profit = $2016.64
At $19.99/person:
Profit = Revenue - Cost
Profit = $19.99 x 96 - (10 + 5 + 3) x 96
Profit = $1497.12
To find the price that generates maximum profit, we need to use the formula:
Price = (Fixed Cost + Variable Cost) / Number of Customers + Profit per Customer
We can assume that the fixed cost for the restaurant is $10,000 per day, and the variable cost per person is $5 for ingredients and $3 for labor.
For $17.99/person:
Price = ($10,000 + (5 + 3) x 112) / 112 + ($2016.64 - $17.99)
Price = $152.94
For $19.99/person:
Price = ($10,000 + (5 + 3) x 96) / 96 + ($1497.12 - $19.99)
Price = $156.24
Therefore, the price that generates maximum profit is $152.94, rounded to the nearest cent.
HELP ME PLEASEEEEEEEEE
Suppose that g(x) = f(x) + 2. Which statement best compares the graph of
g(x) with the graph of f(x)?
A. The graph of g(x) is the graph of f(x) shifted 2 units to the left.
B. The graph of g(x) is the graph of f(x) shifted 2 units up.
C. The graph of g(x) is the graph of f(x) shifted 2 units to the right.
D. The graph of g(x) is the graph of f(x) shifted 2 units down.
The graph of g(x) with the graph of f(x): Option D, which is a shift of 2 units to the left, is correct.
What is Function?
A function in mathematics from a set X to a set Y allocates exactly one element of Y to each element of X. The sets X and Y are collectively referred to as the function's domain and codomain, respectively.
We are aware that the graph of the modified function is:
for every parent function f(x).
g(x) = f(x + a)
is a left- or right-shift of the parent function f(x), depending on the value of a.
The shift is 'a' units to the left if a>0.
The shift is 'a' units to the right if a0.
Here, G(x) has been changed as follows:
G(x) = F(x + 2)
i.e. a=2>0.
2 units up: G(x) = F(x) + 2.
2 units down: G(x) = F(x) - 2.
2 units to the left: G(x) = F(x + 2).
2 units to the right: G(x) = F(x - 2).
Hence, Option D, which is a shift of 2 units to the left, is correct.
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whats the reciprocal of 8/19
Answer:
19/8
Step-by-step explanation:
Step-by-step explanation:
just divide them jk but umm it is 19/8
Adult tickets for a movie cost $4.50 and children’s tickets cost two dollars there are 120 people at the movie ticket sales amounted to $440 how many children attended?
Choose the definition that best describes each term.
line
line segment
ray
point
part of a line that consists of an endpoint and all points on the line that extend in one direction
a straight arrangement of points extending without end in opposite directions
has no dimension; is one of the undefined terms of geometry
part of a line that consists of two points called endpoints and all of the points between those endpoints
Explanation:
line ⇒ a straight arrangement of points extending without end in opposite directions.
line segment ⇒ part of a line that consists of two points called endpoints and all of the points between those endpoints.
ray ⇒ part of a line that consists of an endpoint and all points on the line that extends in one direction.
point ⇒ has no dimension; is one of the undefined terms of geometry. Some may also refer to a point as a dot or dots on a line.
is it possible for two quantities to (a) have the same units but different dimensions or (b) have the same dimensions but different units? explain.
If two quantities have same units, they will be comprised of the same basic physical quantities and hence their dimensions will be same. Same dimensions do not represent the same physical quantity. For example, The kinetic energy and the potential energy are measured in the same units but they possess different physical quantities.
What is dimensions?The minimal set of coordinates required to specify any point within a mathematical space is known as the dimension of the space in physics and mathematics. As a result, a line has a dimension of one because a point on it can be specified by a single coordinate, such as the point at 5 on a number line.
Two quantities with the same units will be made up of the same fundamental physical quantities, resulting in identical dimensions. The same physical quantity does not have the same dimensions. For instance, although having different physical properties, kinetic energy and potential energy are measured in the same units.
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24.7% of the products in the local shop are specialty soaps. 76% of those soaps are made with fresh herbs. if there are 350 bars of specialty soap in the shop, approximately how many of them are not made with fresh herbs? round your answer up to nearest whole number
we know that 76% of the specialty soaps are made with fresh herbs, and we also know that there are a total of 350 specialty soap bars, so how many are made with fresh herbs? well, just 76% of those 350
\(\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{76\% of 350}}{\left( \cfrac{76}{100} \right)350}\implies 266\)
817 inhabitants live in a village. Of them, 241 are children.
Of the adults, there are 56 more women than men in the village.
How many men live in the village?
The number of men living in the village is 260.
How do you solve a linear equation system?A collection of many linear equations that include the same variables is referred to as a system of linear equations. A linear equation system is often composed of two or more linear equations with two or more variables.A linear equation with two variables, x and y, has the following general form:
\(ax + by = c\)
Given:
Total inhabitants in the village: 817
Number of children: 241
There are 56 more women than men in the village
Total adults = Total inhabitants - Number of children
Total adults = 817 - 241
Total adults = 576
Let number of men in the village be 'x' and number of women in the village be 'y',
∴ y=x+56 (given) ..................(1)
Also, x+y=576 .................(2)
From equation (1) and (2),
x + (x + 56) = 576
2x + 56 = 576
2x = 576 - 56
2x = 520
x = 520 / 2
x = 260
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if the following seven scores are ranked from smallest to largest, then what rank should be assigned to a score of x = 1? scores: 1, 1, 1, 1, 3, 6, 6, 6, 9 group of answer choices 1 2 2.5 4
To determine the rank of a score of x=1, we need to use the concept of tied ranks in ranking.
Since there are four scores of 1 in the given data set, they are tied and assigned a common rank. To calculate this rank, we first find the ranks of the remaining scores:
Score: 1 1 1 1 3 6 6 6 9
Rank: 1 1 1 1 5 6 6 6 9
As we can see, the first four scores are tied and are assigned a rank of 1. The next score of 3 has a rank of 5, and the following three scores of 6 are tied and assigned a rank of 6. Finally, the score of 9 has a rank of 9.
Therefore, the rank assigned to a score of x=1 would be 1, since it is tied with the first four scores in the data set.
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Consider the following table. What is the probability of red, given yes?Red Blue TotalYes 15 21 36No. 38 13 51Total 53 34. 87
The probability of red, given yes is 5/12.
To find the probability of red, given yes, we need to use Bayes' theorem, which states that:
P(Red / Yes) = P(Yes / Red) * P(Red) / P(Yes)
where P(Yes | Red) is the probability of getting yes given that the ball is red, P(Red) is the probability of the ball being red, and P(Yes) is the probability of getting yes.
From the table, we can see that:
Red Blue Total
Yes 15 21 36
No 38 13 51
Total 53 34 87
P(Red) = 53/87
P(Yes) = 36/87
P(Yes | Red) = 15/53
Plugging these values into the formula, we get:
P(Red | Yes) =\(\frac{\frac{15}{53}*\frac{53}{87} }{\frac{36}{87} }\)
= 15/36
= 5/12
Therefore, the probability of red, given yes, is 5/12.
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Sunny earns $12 per hour delivering cakes . She worked x hours this week.Unfortunately she was charged $15 for a late delivery on Tuesday. How much money did sunny earn this week ? Write answer as an expression
The total amount earned this week is 12x - 15
How to determine the total amount earned?From the question, we have the following parameters that can be used in our computation:
Number of hours = x
Rate per hour = $12
Late delivery charge = $15
The total amount of earning is the difference between the total actual earnings number and late delivery charges
This is represented as
Total = Number of hours x Rate per hour - Late delivery charge
Substitute the known values in the above equation
So, we have the following equation
Total = x * 12 - 15
Evaluate
Total = 12x - 15
The above equation cannot be further simplified
Hence, the expression is 12x - 15
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What is the slope of the line that passes through the points (0, - 4) and (30, -9)?
Write your answer in simplest form.
The slope of the line that passes through the points (0, - 4) and (30, -9) is -1/6.
How to calculate the slope of a line?In Mathematics, the slope of any straight line can be determined by using this mathematical equation;
Slope (m) = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Slope (m) = rise/run
Based on the information provided, we can logically deduce the following data points on the line:
Points on x-axis = (0, 30).Points on y-axis = (-4, -9).Substituting the given data points into the slope formula, we have the following;
Slope, m = (-9 + 4)/(30 - 0)
Slope, m = -5/30
Slope, m = -1/6.
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