PLEASE HELP (THE PHOTO)
Answer:
a. y = 4x b. 48 feet
Step-by-step explanation:
y = mx + b
Plotted points found:
(5,20) (10,40)
Delta y/Delta x
(40-20)/(10-5)
20/5 = 4
Slope: 4
y = 4x + b
The y-intercept is when x = 0. In this case, the y-intercept is 0.
Equation: y = 4x
b.
y = 4(12)
y = 48 feet
A car rental agency has 4 minivans and 8 other vehicles available. What is the probability that a randomly selected vehicle will be a minivan? Write your answer as a fraction or whole number
The probability that a randomly selected vehicle will be a minivan is 1/2.
WE know that Probability refers to a possibility that deals with the occurrence of random events.
The probability of all the events occurring need to be 1.
P(E) = Number of favorable outcomes / total number of outcomes
Given that the car rental agency has 4 minivans and 8 other vehicles available.
P (minivan) = number of minivans / total number of vehicles
We have 4 minivans and 8 vehicles
P (minivan) = 4/8
P (minivan) = 1/2
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Find the first 4 terms and the 10th term, 2n-1
Answer:
1, 3, 5, 7 and 19
Step-by-step explanation:
to find the first 4 terms, substitute n = 1, 2, 3, 4 into the rule, then
a₁ = 2(1) - 1 = 2 - 1 = 1
a₂ = 2(2) - 1 - 4 - 1 = 3
a₃ = 2(3) - 1 = 6 - 1 = 5
a₄ = 2(4) - 1 = 8 - 1 = 7
the first 4 terms are 1, 3, 5, 7
to find the 10th term , substitute n = 10 into the rule
a₁₀ = 2(20) - 1 = 20 - 1 = 19
if you use the normal distribution to estimate the probability that score exceeds 100, would the answer be zero? why does your answer contradict the assumption of a normal distribution for score?
If you use the normal distribution to estimate the probability that score exceeds 100, the answer would be zero.
This is because a normal distribution is a continuous probability distribution, and the probability of any individual score, no matter how high or low, is always zero.
However, this answer contradicts the assumption of a normal distribution for scores because it implies that scores cannot exceed 100, which is not true. Scores can theoretically range from negative infinity to positive infinity, and in practice, there may be some scores above 100, especially if the measurement instrument is imprecise or the test is very difficult.
Therefore, if we observe scores that are higher than 100, it suggests that the assumption of a normal distribution may not be appropriate for the data, and we may need to use a different distribution or statistical model to estimate probabilities or make inferences about the scores.
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Dose any one know the answers for geometry A: A semester exam
PLZ I NEED HELP FAST!!
Answer:
Step-by-step explanation:
82 +9=5000 thank me later
Find the area of this traingle!~ xoxo
Answer:
29.75 unit ^2
Step-by-step explanation:
Base * height /2 =
8.5 *7 /2 = 29.75
You just have to count the block for height and base.
) Lea plots a point at a number on this number line. The number rounded to the nearest thousand is 30,000. What must be true about the point? +) 31:000 28,000 29. 000 30,000 ?) It is closer to 30. 000 than 29,000. D)) It is between 30,000 and 31,000. It is closer to 28,000 than 31,000. It is between 29,000 and 30,000.
As number is rounded off to 30,000, the correct option is A i.e, it is closer to 30,000 than 29,000.
We look at the last three digits and round to the closest thousand. If these digits total 500 or more, the thousands digit is rounded up; if they total less than 500, the thousands digit is rounded down while remaining the same.
For example, to solve this question we have to check whether 16796 is closer to 16000 or 17000 in the counting. In this case, 16796 is closer to 16000, hence 17000 is the round figure of 16796.
In this problem, as the number is said to be rounded off to the nearest thousand is 30,000, this means that, the number is closer to 30,000 than 29,000.
The question is incomplete. The picture of number line is missing. It is placed in the attachment below.
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D(x) is the price, in dollars per unit, that consumers are willing to pay for x units of an item, and S(x) is the price, in dollars per unit, that producers are willing to accept for x units. Find (a) the eqquilibrium point, (b) the consumer surplus at the equilibrium point, and (c) the producer surplus at the equilibrium point.
D(x)=3000−10x, S(x) = 900+25x
(a) What are the coordinates of the equilibrium point?
______(Type an ordered pair.)
(b) What is the consumer surplus at the equilibrium point?
$____ (Round to the nearest cent as needed.)
(c) What is the producer surplus at the equilibrium point?
$____ (Round to the nearest cent as needed.)
The equilibrium point is (60, 2400), the consumer surplus at the equilibrium point is $48,000, and the producer surplus at the equilibrium point is $36,000.
(a) The equilibrium point occurs when the quantity demanded by consumers equals the quantity supplied by producers. To find this point, we need to set the demand function equal to the supply function and solve for x.
Demand function: D(x) = 3000 - 10x
Supply function: S(x) = 900 + 25x
Setting D(x) equal to S(x):
3000 - 10x = 900 + 25x
Simplifying the equation:
35x = 2100
x = 60
Therefore, the equilibrium point occurs at x = 60.
(b) Consumer surplus at the equilibrium point can be found by calculating the area between the demand curve and the equilibrium price. Consumer surplus represents the difference between the price consumers are willing to pay and the actual market price.
At the equilibrium point, x = 60. Plugging this value into the demand function:
D(60) = 3000 - 10(60)
D(60) = 3000 - 600
D(60) = 2400
The equilibrium price is $2400 per unit. To find the consumer surplus, we need to calculate the area of the triangle formed between the demand curve and the equilibrium price.
Consumer surplus = (1/2) * (2400 - 900) * 60
Consumer surplus = $48,000
(c) Producer surplus at the equilibrium point represents the difference between the actual market price and the minimum price at which producers are willing to sell their goods.
To find the producer surplus, we need to calculate the area between the supply curve and the equilibrium price.
At the equilibrium point, x = 60. Plugging this value into the supply function:
S(60) = 900 + 25(60)
S(60) = 900 + 1500
S(60) = 2400
The equilibrium price is $2400 per unit. To find the producer surplus, we need to calculate the area of the triangle formed between the supply curve and the equilibrium price.
Producer surplus = (1/2) * (2400 - 900) * 60
Producer surplus = $36,000
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Check all the values that are equivalent to -i. Please help! Picture of question attached!
By the De Moivre's formula, the complex numbers i⁷¹, i⁴⁷, i¹⁹ are equivalent to - i.
How to determine what complex numbers are equal to - i?
In this question we have eight cases of powers of complex numbers, of which we must determine what cases are equivalent to the complex number - i. This can be checked by means of De Moivre's formula:
zⁿ = rⁿ · (cos nx + i sin nx)
Where:
r - Norm of the complex number.n - Grade of the power of the complex number.Please notice that nx must be in radians.
If we know that r = 1, cos nx = 0, sin nx = - 1 and x = π / 2, then we find that:
The complex numbers i⁷¹, i⁴⁷, i¹⁹ are equivalent to - i.
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Find the slope represented in the table below
Answer:
0
Step-by-step explanation:
To find the slope, we can take any two x and y coordinate pairs in the table. For this one let's use (-6, 5) and (-3, 5)
The equation for slope is:
\(Slope = \frac{y_2-y_1}{x_2-x_1} \)
We can plug in the x and y values into the equation:
\(Slope = \frac{5-5}{-3-(-6)} =\frac{0}{-3+6} =\frac{0}{3} =0\)
The slope is 0
Fill in the table.
x y
-4 5
-2 3
0 1
2 -1
4 -3
This is a linear function which means that the domain and range are:
Domain:
Range:
*Reminder: another way to write negative infinity to positive infinity is
"all real numbers"
The domain of the linear function is a real number, and the range of the linear function is also a real number.
What are domain and range?The domain means all the possible values of x and the range means all the possible values of y.
The table is given below.
x y
-4 5
-2 3
0 1
2 -1
4 -3
Then the linear function will be
y – 1 = [(5 – 1) / (- 4 – 0)] (x – 0)
y – 1 = -x
x + y = 1
Then the domain of the linear function is a real number and the range of the linear function is also a real number.
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find the distance between (3,4) and (4,-6) if necessary, round to the nearest tenth.
Answer:
The distance is:
d = 10.0 units (Rounded to the nearest the Tenths Place)
Step-by-step explanation:
Given the points
(3,4)(4,-6)The distance 'd' between (3,4) and (4,-6)
\(\mathrm{Compute\:the\:distance\:between\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\)
\(d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}\)
substituting the points values
\(=\sqrt{\left(4-3\right)^2+\left(-6-4\right)^2}\)
\(=\sqrt{1+10^2}\)
\(=\sqrt{1+100}\)
\(=\sqrt{101}\)
\(=10.0\) units (Rounded to the nearest the Tenths Place)
Thus, the distance is:
d = 10.0 units (Rounded to the nearest the Tenths Place)
The line graph shows the number of pairs of shoes owned
by some children
a)
Number of children
3
2
1
0
2 3 4 5 6
3 4
Number of pairs of shoes
0
1 2
What is the modal number
of pairs of shoes owned by the
children?
b) What is the median number
of pairs of shoes owned by the
children?
c) What is the mean number of
pairs of shoes owned by the
children?
1. The modal number of pairs of shoes owned by the children is 3.
2. The median number of pairs of shoes owned by the children is 3.
3. The Mean is 3.
1. The modal number of pairs of shoes owned by the children is 3.
2. The median number of pairs of shoes owned by the children
= 14/2 th term
= 7 th term
= 3
3. The Mean
= (1 x 2+ 2 x 3+ 3 x 5+ 4 x 2 + 5 x 1+ 6x 1)/ (2 +3 +5 +2 + 1 +1)
= 42/14
= 3
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– Brittney can spend no more than $15 for new fish in her aquarium.
a. Let f be the number of fish she can buy.
What inequality represents the problem?
Answer:
5 fishes
Step-by-step explanation:
Morgan and her children went into a grocery store and she bought $10
worth of peaches and mangos. Each peach costs $1 and each mango
costs $2. She bought a total of 8 peaches and mangos altogether.
Graphically solve a system of equations in order to determine the
number of peaches, a, and the number of mangos, y, that Morgan
bought.
Answer:
The number of peaches and the number of mangos that Savannah bought
are 4 and 10 respectively.
The variable use to write the equation is x and it is the number of peaches
Savannah and her children bought
let
the number of peaches Savannah and her children bought = x
Therefore
the number of mangoes Savannah and her children bought = x + 6
The total worth of what they bought = $22
Therefore,
1.75x + 1.50(x + 6) = 22
1.75x + 1.50x + 9 = 22
3.25x + 9 = 22
3.25x = 22 - 9
3.25x = 13
x = 13 / 3.25
x = 4
Therefore,
number of peaches bought = 4
number of mangoes bought = 4 + 6 = 10
Step-by-step explanation:
Answer: 6 Peaches and 2 Mangos
Step-by-step explanation: If one peach is worth $1 and one mango is worth $2, to get $10 used you need to buy 6 peaches and 2 mangos since 2 + 2 = 4 and 6 + 4 = 10
T/F Every instance data field f in the class can be referenced using this.f in a static method the same class.
False. In a static method of a class, you cannot use the "this" keyword to reference instance variables or instance methods of the same class.
A static method belongs to the class itself, not to any particular instance of the class, so it cannot access instance-specific information. Instead, you would need to use the class name followed by the variable name to access any static or instance variables within a static method of that same class. For example, if the class had an instance variable called "f" and a static method called "myStaticMethod", you could reference the instance variable from within the static method using "ClassName.f". It is important to note that if you attempt to reference an instance variable using "this.f" within a static method, you will receive a compilation error.
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The total surface area of solid cylinder is 616 CM square and radius is 7 cm find the height.
there is a formula A = 2π r h + 2π r².
=> h = (A - 2π r²) / 2π r
=> h = ( 616 - 2π(7)^2) / 2π(7)
=> h = 7.0
Hope you could understand.
If you have any query, feel free to ask.
Select the correct answer from each drop-down menu. John is a psychologist. He wants to understand the correlation between exercise and severe depression. For five consecutive years, he decides to keep track of adults who exercise at least 30 minutes per day, five times a week, and adults who do not exercise at all. All studies yield the same results. This can be described as an observational study Mendy spins a spinner and rolls a die to find the probability that the next spin and roll will have a sum of 8 to 10. The spinner has seven sections labeled 1 to 7, and the die has six sides labeled 1 to 6. This can be described as an experimental study T An auto insurance company wants to compare the number of auto accidents in Seattle caused by adult drivers to the number caused by teen drivers. For seven consecutive months, the company decides to record the number of auto accidents caused by teen drivers and the number of auto accidents caused by adult drivers. This can be described as Ryan randomly asks a group of 200 students at his school which sport among soccer, rugby, and lacrosse should be added as an intramural sport for students to play after school. Based on their answers, he concluded that lacrosse should be added as an intramural sport. This can be described as
The various types of studies here are:
observational study. experimental study.observational study.questionnaire study.What are the studies that are highlighted hereJohn is a psychologist. He wants to understand the correlation between exercise and severe depression. For five consecutive years, he decides to keep track of adults who exercise at least 30 minutes per day, five times a week, and adults who do not exercise at all. All studies yield the same results. This can be described as an observational study.
Mendy spins a spinner and rolls a die to find the probability that the next spin and roll will have a sum of 8 to 10. The spinner has seven sections labeled 1 to 7, and the die has six sides labeled 1 to 6. This can be described as an experimental study.
An auto insurance company wants to compare the number of auto accidents in Seattle caused by adult drivers to the number caused by teen drivers. For seven consecutive months, the company decides to record the number of auto accidents caused by teen drivers and the number of auto accidents caused by adult drivers. This can be described as an observational study.
Ryan randomly asks a group of 200 students at his school which sport among soccer, rugby, and lacrosse should be added as an intramural sport for students to play after school. Based on their answers, he concluded that lacrosse should be added as an intramural sport. This can be described as a survey or questionnaire study.
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What value of c makes the equation true? Assume x>0 and Y> 0
cy4
ay (29
O c = 12
O c = 16
O c = 64
O c = 81
Answer:
Its C = 63
Step-by-step explanation
I GUESSED AND GOT IT RIGHT
Compare 3/8 and 2/6
Pls help
If you do tyyy
Answer: 3/8 >2/6
Step-by-step explanation:
Aarion is saving $375 to buy a new gaming system. He already has $105 and can earn $30 per week cutting grass, how long will it take him to earn the rest of what he needs?
Answer:
it will take him 9 weeks to earn the rest of what he needs.
Step-by-step explanation:
if he already has $105, then he will need $270 more.
Divide 270 by 30(the amount of money he gets each week) and you will get 9.
suppose and is the portion of the ellipse centered at the origin from the point to the point centered at the origin oriented clockwise.
This means we are considering only a part of the ellipse that is centered at the point (0,0) and moves in the direction of the hands of a clock.
The given question is asking about a portion of an ellipse centered at the origin and oriented clockwise. Let's break down the question and provide a clear and concise answer.
An ellipse is a curved shape that looks like a stretched-out circle. It has two main properties:
a major axis and a minor axis. The major axis is the longer distance across the ellipse, and the minor axis is the shorter distance.
In the given question, we are specifically talking about a portion of the ellipse. This means we are considering only a part of the entire ellipse.
When we say the portion is centered at the origin, it means that the center of the portion lies at the point (0,0) on the coordinate plane.
Now, let's talk about the orientation. Clockwise orientation means that if you were to walk along the portion of the ellipse, you would move in the direction of the hands of a clock.
To summarize, the given question is asking about a portion of an ellipse centered at the origin and oriented clockwise.
This means we are considering only a part of the ellipse that is centered at the point (0,0) and moves in the direction of the hands of a clock.
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the dot plots show the distribution of the length, in centimeters, of 25 shark teeth for an extinct species of shark and the length, in centimeters, of 25 shark teeth for a closely related shark species that is still living. dotplot 1 (upper image) - mean: 3.02 cm - standard deviation: 0.55 cm dotplot 2 (lower image) - mean: 2.32 cm - standard deviation: 0.13 cm compare the two dot plots using the shape of the distribution, measures of center, and measures of variability. use the situation described in the problem in your explanation.
The philadelphia eagles football team wanted to buy new footballs for their practice.They got a discount and had to pay $42 per 6 footballs.What did the football team pay per football?
Answer:they paid 7 dollars
Step-by-step explanation:
You divide 42 by 6 and you get 7
Answer:
7
Step-by-step explanation:
Divide 42 an 6 and you should get 7
Graph of two inequalities. One is a solid line increasing from left to right passing through 0 comma negative 3 and 3 comma 0, and it has shading below the line. The second is a upward dashed parabola with a vertex at negative 3 comma negative 16 and x-intercepts at negative 1 comma 0 and 7 comma 0. This parabola is shaded on the outside.
Which system is represented in the graph?
y < x2 – 6x – 7
y > x – 3
y < x2 – 6x – 7
y ≤ x – 3
y ≥ x2 – 6x – 7
y ≤ x – 3
y > x2 – 6x – 7
y ≤ x – 3
The system of inequalities which is represented as described in the task content is;
y > x2 – 6x – 7y ≤ x – 3Which inequalities represents the described graphs?As evident in the task content; the first graph is a solid line increasing from left to right passing through 0 comma negative 3 and 3 comma 0. Hence, the slope of the line is positive and the y-intercept is -3.
Since the region below the line is shaded; the inequality is; y ≤ x - 3.
Also, second is a upward dashed parabola with a vertex at negative 3 comma negative 16 and x-intercepts at negative 1 comma 0 and 7 comma 0. The parabola equation is; y = x² - 6x - 7.
However, since the line is shaded on the outside and dashed; the inequality is; y > x² - 6x - 7.
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I had trouble with this problem for homework, please help.
Answer:
i really wish i could help but i dont know ether i'm
sry maybe some one else could help
Which manufacturers make laptops with a hard disk of at least 100GB? c) Find the model number and price of all products (of any type) made by manufacturer B. d) Find the model numbers of all color laser printers. e) Find those manufacturers that sell Laptops, but not PC ’s.
a) Manufacturers that make laptops with a hard disk of at least 100GB: Here are some manufacturers that make laptops with a hard disk of at least 100GB: Apple Asus Dell HP Huawei Lenovo Microsoft Samsung
b) Model number and price of all products (of any type) made by manufacturer B:To find the model number and price of all products (of any type) made by manufacturer B, we would need to know which specific manufacturer B is. Once we know that, we can search for their products and retrieve the model numbers and prices.
c) Model numbers of all color laser printers:The model numbers of all color laser printers will depend on the specific manufacturers. However, we can generally look for color laser printers on the websites of manufacturers such as HP, Canon, Epson, Brother, Lexmark, and Samsung to find their model numbers.
d) Manufacturers that sell laptops, but not PCs: To find the manufacturers that sell laptops but not PCs, we would need to compare the product offerings of different manufacturers and identify those that only offer laptops and not desktop PCs. Some examples of such manufacturers include Apple and Huawei, who do not offer desktop PCs but only offer laptops and tablets.
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Maggie makes $57,600 a year. Estimate how much she can afford to pay for rent each month if she budgets 27% of her gross monthly income.
She can afford to pay $1296 per month.
How much can Maggie afford to pay?Given that Maggie makes $57,600 a year, to determine how much she can afford to pay for rent each month if she budgets 27% of her gross monthly income, the following calculation must be performed:
100 = 5760027 = X27 x 57600 / 100 = X27 x 576 = X15552 = X15552 / 12 = 1296Therefore, she can afford to pay $1296 per month.
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When Mirka is 5 years old, her parents start to give her pocket money of 50p per week. On her birthday each year, her parents increase her pocket money by 50p
How much pocket money does Mirka get in the first year?
If Mirka is 5 years old, her parents start to give her pocket money of 50p per week , then the amount of pocket money does Mirka get in the first year is £26 .
the amount that Mirka gets per week is = 50p ;
Age of Mirka is = 5 years ;
When Mirka is 5 years old, she starts to receive 50p per week in pocket money. On her birthday, her parents increase her pocket money by 50p.
that means ;
So, for the first year, the pocket money will be 50p per week for 52 weeks (1 year),
Pocket money in the first year = 50p × 52 weeks = £26 .
Therefore , Mirka will get £26 in the first year of her birthday .
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5 and 9 are the example of ____ number
Answer:
Step-by-step explanation:
complex numbers , real numbers , rational numbers , natural numbers , whole numbers