Answer:
where is the pic
Step-by-step explanation:
Use the Exterior Angle Theorem to solve for x
O60
O120
O155
O85
Answer:
X=85°
Step-by-step explanation:
35°+x°=120° [Exterior angle of a triangle is equal to the sum of the interior opposite angles]
x=120°-35°
x=85°
does anyone know how to find the volume by rotating the region based on what’s in the image i uploaded?
The volume of the solid obtained by rotating the region about the y-axis is 3036π cubic units.
How to find the volume by rotating the region?
To find the volume of the solid obtained by rotating the region enclosed by the graphs of y=27-x, y=3x-9, and x=0 about the y-axis, we need to use the method of cylindrical shells.
Here the region is bounded by the graphs of y=27-x, y=3x-9, and x=0. We can see that the region is a trapezoid with vertices at (0, -9), (6, 9), (18, 9), and (27, 0).
Next, we need to determine the height and radius of each cylindrical shell. The height of each shell is the difference between the y-coordinates of the top and bottom of the shell. The radius of each shell is the x-coordinate of the shell.Let's consider a shell with x-coordinate x. The height of the shell is given by (27 - x) - (3x - 9) = 36 - 4x. The radius of the shell is x. The volume of the shell is given by 2πrhΔx, where Δx is the thickness of the shell.
Therefore, the total volume of the solid is given by:
[tex]V = \int0^6 2πx(36 - 4x)dx + \int6^18 2πx(9)dx + \int18^27 2πx(27 - x - 9)dx[/tex]
Simplifying and evaluating the integral, we get:
V = 2π(216) + 2π(243) + 2π(243/2) = 3036π
Therefore, the volume of the solid obtained by rotating the region about the y-axis is 3036π cubic units.
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Rotating the area about the y-axis yields a solid with a volume of 3036 cubic units.
The cylindrical shell method must be used to determine the solid's volume after rotating the region enclosed by the graphs of
y=27-x, y=3x-9, and x=0 about the y-axis.
In this case, the graphs of y=27-x, y=3x-9, and x=0 define the region's boundaries. The region is a trapezium, as can be seen, with vertices at (0, -9), (6, 9), (18, 9), and (27, 0).
The height and radius of each cylindrical shell must then be determined. Each shell's height is determined by the difference between its top and bottom y-coordinates.
Each shell's x-coordinate corresponds to its radius.Consider a shell with the coordinates x and y. (27 - x) - (3x - 9) = 36 - 4x gives the height of the shell. The shell has a radius of x. 2rhx, where x is the shell's thickness, gives the volume of the shell.
As a result, the solid's entire volume can be calculated using:
When we simplify and assess the integral, we obtain:
V = 2π(216) + 2π(243) + 2π(243/2)
= 3036π
As a result, the region's volume after being rotated about the y-axis is 3036 cubic units.
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The line plots represent data collected on the travel times to school from two groups of 15 students.
A horizontal line starting at 0, with tick marks every two units up to 28. The line is labeled Minutes Traveled. There is one dot above 4,6,14, and 28. There are two dots above 10, 12, 18, and 22. There are three dots above 16. The graph is titled Bus 47 Travel Times.
A horizontal line starting at 0, with tick marks every two units up to 28. The line is labeled Minutes Traveled. There is one dot above 10,16,20, and 28. There are two dots above 8 and 14. There are three dots above18. There are four dots above 12. The graph is titled Bus 14 Travel Times.
Compare the data and use the correct measure of variability to determine which bus is the most consistent. Explain your answer.
Bus 47, with an IQR of 8
Bus 14, with an IQR of 6
Bus 47, with a range of 8
Bus 14, with a range of 6
[tex] \: [/tex]
To determine which bus is the most consistent, we need to compare the interquartile ranges (IQR) and ranges of the two data sets.
Bus 47 has an IQR of 8 and a range of 8.
Bus 14 has an IQR of 6 and a range of 6.
The IQR is a better measure of variability than the range because it is less sensitive to outliers. In this case, we can see that Bus 14 has a smaller IQR, indicating that the travel times for Bus 14 are more consistent.
Therefore, Bus 14 is the most consistent bus in terms of travel times.
25 is greater than or equal to u-2 inequality
Therefore, the inequality simplifies to u ≤ 27.
What is inequality?Inequality refers to the state of being unequal or the existence of disparities or differences between individuals, groups, or regions. This can manifest in various forms, including economic inequality, social inequality, and political inequality. Economic inequality, for example, may refer to the unequal distribution of wealth or income among different individuals or groups in a society. Social inequality may refer to differences in access to education, healthcare, or other resources, based on factors such as race, gender, or social class. Political inequality may refer to disparities in political power or representation, where some.
The inequality 25 ≥ u - 2 can be simplified by adding 2 to both sides to isolate the variable "u":
25 + 2 ≥ u - 2 + 2
27 ≥ u
Therefore, the inequality simplifies to u ≤ 27.
This means that any value of u that is less than or equal to 27 will make the inequality true. For example, u could be 27, 10, -5, or any number less than or equal to 27. However, if u is greater than 27, the inequality will be false.
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Gerry 0.5 of the blueberries. On Monday and 25% of the blueberries on Tuesday is he 848 blueberries altogether. How many were in the box at first
There were approximately 1131 blueberries in the box at first.
To find the total number of blueberries in the box at first, follow these
First, we need to add up the percentages of blueberries Gerry ate on Monday and Tuesday. On Monday, he ate 0.5 (or 50%) of the blueberries and on Tuesday, he ate 25% of the blueberries.
So, he ate a total of 50% + 25% = 75% of the blueberries.
Since Gerry ate 848 blueberries altogether, which is 75% of the total number of blueberries in the box, we can now set up a proportion to find the total number of blueberries:
(75% of the total number of blueberries) = 848]
We can express 75% as a decimal (0.75) and set up an equation:
0.75 × (total number of blueberries) = 848
Now, to find the total number of blueberries, divide both sides of the equation by 0.75:
(total number of blueberries) = 848 / 0.75
5. Solve for the total number of blueberries:
(total number of blueberries) = 1130.67
Since there can't be a fraction of a blueberry, we can round up to the nearest whole number:
There were approximately 1131 blueberries in the box at first.
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Question
Gerry picked 0.5 of the blueberries in a box on Monday and 25% of the blueberries on Tuesday. If he picked a total of 848 blueberries altogether, how many blueberries were in the box at first?
what's the answer for this
Answer:
y = (-1/4)x - 1
Step-by-step explanation:
We can write an equation for this line in slope-intercept form:
[tex]y=mx+b[/tex],
where [tex]m[/tex] is the slope of the line and [tex]b[/tex] is the y-coordinate of the y-intercept.
First, to solve for the slope:
slope = rise / run
slope = -1 / 4
slope = -1/4
Next, to find the y-intercept, we can see that the line crosses the y-axis (vertical axis) when y = -1.
Finally, we can form an equation using these two pieces of information.
y = (-1/4)x - 1
A line passes through the points (3,-4) and (4,-15). Write the equation in slope-intercept form using y at the output variable and x as the input variable.
The equation of the line in slope-intercept form is y = -11x + 29.
What is the formula to calculate the slope?To find the slope of given points we are using the slope-intercept formulae
The line passing through the point are (x1, y1) and (x2, y2) is given by:
m = (y2 - y1) / (x2 - x1)
m is the slope of the line.
Putting all values in the above equation, we get:
m = (-15 - (-4)) / (4 - 3) = -11
So the slope of the line is -11
To write the equation of line the point-slope form of the equation we can use
y - y1 = m(x - x1)
Put all values into the equation
y - (-4) = -11(x - 3)
Simplifying, we get:
y + 4 = -11x + 33
Subtracting 4 from both sides, we get:
y = -11x + 29
So the equation of the line in slope-intercept form is y = -11x + 29.
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The fish population in a certain part of the ocean (in thousands of fish) as a function of the water’s temperature (in degrees celsius) is modeled by:
P(x)=-2(x-9)^2 + 200
what is the maximum number of fish?
The Maximum no. of fish is 200 thousands.
How to find the fish count from the function?
Let say the function is
[tex]P(x)=-2(x-9)^2+200\\\\[/tex]
Differentiating w.r.t x, we get
[tex]\\\\P'(x) = -4(x-9)\\\\for\ maximum\ value\ of\ x,\ P'(x) =0\\\\x=9\\\\So,\ put\ value\ of\ x\ in\ equation, we get\\\\P(x) = 200[/tex]
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2+2 with square root of 9
Answer:
Therefore, 2 + 2 with a square root of 9 is equal to 8.
Step-by-step explanation:
We can simplify the expression "square root of 9" to just 3. Then, we have:
2 + 2(3) = 2 + 6 = 8
Therefore, 2 + 2 with a square root of 9 is equal to 8.
Tnx :) :) ;)
use scenario 12-1. enough information is provided above to confirm that four conditions for slope inference have been satisfied, but we need a further analysis of the data to confirm that the fifth condition for inference has been satisfied. which condition requires further analysis of the data?
The condition that requires further analysis of the data for slope inference is the independence of errors.
In this scenario, we have to determine the condition that requires further analysis of the data. We know that there are five conditions that need to be satisfied to perform the linear regression.
The five conditions are: Linearity, Homoscedasticity, Normality of residuals, Independence of errors. And the last one is: Independence of errors is the fifth condition that requires further analysis of the data to confirm that it is satisfied or not. The independence of errors condition is that there should be no pattern in the residuals.
Residuals are the differences between the actual values and the predicted values. The independence of errors is important because it ensures that the errors are random and not influenced by any other variable.
The independence of errors condition can be checked by plotting the residuals against the predicted values. If there is a pattern in the residuals, then the independence of errors condition is not satisfied. So, in order to satisfy the fifth condition for slope inference, the independence of errors condition must be satisfied.
*Complete question: Which is the fifth condition requires further analysis of the data to confirm that this condition for inference has been satisfied the same way that four conditions for slope inference have been satisfied?
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The maximum length of a soccer field for international play is 80 yards longer than the maximum length of a soccer field for play by 8 under--year-olds. If the total length of these two categories of soccer fields is 160 yards, what is the maximum length for each field?
[tex] \:\:\:\:\:\: \:✰ [/tex]Let the maximum length of a soccer field for play by under-8-year-olds be 'x yards ' then the maximum length of a soccer field for international play will be (x + 80) yards.(For solving this problem we have to assume the soccer field as rectangular-shaped.)
As per question, the total length of these two categories of soccer fields is 160 yards. Which states -
[tex] \:\:\:\:\:\:\:\:\:\:\longrightarrow \sf \underline{ x + (x + 80) = 160}\\[/tex]
[tex] \:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf x + x + 80 = 160\\[/tex]
[tex] \:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf 2x + 80 = 160 \\[/tex]
[tex] \:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf 2x = 160 - 80\\[/tex]
[tex]\:\:\:\:\:\:\:\:\:\: \:\:\:\:\:\:\longrightarrow \sf 2x = 80\\[/tex]
[tex] \:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf x = \cancel{\dfrac{80}{2}}\\[/tex]
[tex] \:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf \underline{ x = 40}\\[/tex]
Therefore,the maximum length of a soccer field for play by under-8-year-olds is 40 yards and the maximum length of a soccer field for international play is = (x + 80) yards = 40 + 80 = 120 yards.Question 1
Write an inequality and a word sentence that represent the graph. Let x
represent the unknown number.
Inequality:
Question 2
Word sentence: A number x
is
more than
1.
A word sentence that represents this inequality is "A number x is more than 1."
What is Inequality ?
In mathematics, an inequality is a statement that compares two values, expressing that one value is greater than, less than, greater than or equal to, or less than or equal to the other value. Inequalities are represented using symbols such as "<" (less than), ">" (greater than), "<=" (less than or equal to), ">
Inequality: x > 3
Word sentence: The value of x is greater than 3.
Explanation: Based on the graph, we can see that the shaded area represents all the values of x that are greater than 3. Therefore, the inequality that represents this graph is x > 3, which means that x is any number greater than 3.
Question 2:
Word sentence: A number x is more than 1.
Explanation: The inequality represented by the given graph is x > 1, which means that x is any number greater than 1.
Therefore, a word sentence that represents this inequality is "A number x is more than 1."
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Keilantra bought headphones online for $34. She used a coupon code to get a 40% discount. The website also applied a 5% processing fee to the price after the discount. Keilantra's headphones were less than the original price by what percent? Round to the nearest whole number.
Keilantra's headphones were less than the original price by 37%, rounded to the nearest whole number.
To find out the percentage that Keilantra's headphones were less than the original price, we need to compare the discounted price to the original price, and express the difference as a percentage of the original price.
Let's start by calculating the discounted price. Keilantra bought headphones for $34 and received a 40% discount using a coupon code:
Discounted price = Original price - Discount
Discount = 40% of Original price
Discounted price = Original price - 40% of Original price
Discounted price = 60% of Original price
Substituting the values given, we can calculate the discounted price as:
Discounted price = 0.6 x $34
Discounted price = $20.40
Now we need to apply the 5% processing fee to the discounted price:
Final price = Discounted price + Processing fee
Processing fee = 5% of Discounted price
Final price = Discounted price + 5% of Discounted price
Final price = 1.05 x Discounted price
Substituting the value we found for the discounted price, we get:
Final price = 1.05 x $20.40
Final price = $21.42
Now we can calculate the percentage that Keilantra's headphones were less than the original price:
Percentage discount = ((Original price - Final price) / Original price) x 100%
Percentage discount = (($34 - $21.42) / $34) x 100%
Percentage discount = (12.58 / 34) x 100%
Percentage discount = 0.37 x 100%
Percentage discount = 37%
Therefore, Keilantra's headphones were less than the original price by 37%, rounded to the nearest whole number.
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A circular path 3 feet wide has an inner diameter of 450 feet. How much farther is it around the outer edge of the path than around the inner edge? Round to nearest hundredth. Use 3.14 for π.
18.84 feet farther is it around the outer edge of the path than around the inner edge.
Given:
A circular path 3 feet wide has an inner diameter of 450 feet.
Use 3.14 for [tex]\pi[/tex].
Now, to find how much farther is it around the outer edge of the path than around the inner edge.
Width of the circular path = 3 feet.
Inner diameter of circular path = 450 feet.
So, to get the inner radius we divide the inner diameter of circular path by width of circular path:
[tex]450\div3[/tex]
[tex]=150 \ \text{feet}[/tex]
[tex]\text{r} = 150 \ \text{feet}[/tex].
Now,
Thus, the outer radius is:
[tex]150+3[/tex]
[tex]=153 \ \text{feet}[/tex]
[tex]\text{r} = 153 \ \text{feet}[/tex].
Now, we get the circumference of inner edge and outer edge:
[tex]\bold{Circumference \ of \ inner \ edge} = \bold{2\pi r}[/tex]
[tex]\text{Circumference of inner edge} = 2\times3.14\times150[/tex] [tex]\text{Circumference of inner edge}=942 \ \text{feet}.[/tex]
[tex]\bold{Circumference \ of \ outer \ edge} = \bold{2\pi r}[/tex]
[tex]\text{Circumference of outer edge} = 2\times3.14\times153[/tex]
[tex]\text{Circumference of outer edge}=960.84 \ \text{feet}.[/tex]
Now, to get how much farther is it around the outer edge of the path than around the inner edge:
[tex]\text{Circumference of outer edge - circumference of inner edge}[/tex].
[tex]960.84-942[/tex]
[tex]=18.84 \ \text{feet}.[/tex]
Therefore, 18.84 feet farther is it around the outer edge of the path than around the inner edge.
Expand and simplify (x+5) squared help :)))
Mega Movies hosted a film premiere on Friday night. They charged $9 for adults and $5 for children. One hundred thirty-one adults and children attended, and $1,135 was made in ticket sales. How many children and how many adults went to the film premiere?
A.
15 children; 116 adults
B.
5 children; 126 adults
C.
11 children; 120 adults
D.
8 children; 123 adults
Mega Movies hosted a film premiere on Friday night. They charged $9 for adults and $5 for children. Therefore, the equation is written as 11 children; 120 adults went to the premier.
Let children be x and adult be y
As the cost of the entry fee is in the ratio of 9 to 6
so, 9x+5y= 1135 ----------------- (1)
and x +y = 131 ------------------- (2)
Multiplying equation (2) by 9, we get:
9x + 9y = 1179
Now, subtracting equation (2) and (1), we get:
9x + 9y = 1179
9x+5y= 1135
⇒ 4y = 44
⇒ y = 11
Now putting y = 11 in equation (1) , we get:
9x+5y = 1135
⇒ 9x + 5× 11 = 1135
⇒ 9x = 1080
⇒ x = 120
Therefore, 11 children; 120 adults went to the premier.
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Two of the angles in a triangle measure 88° and 84°. What is the measure of the third angle?
Answer: 8
Step-by-step explanation: a triangle has a total of 180 adding all the angles
Answer:
8°
Step-by-step explanation:
The sum of the three interior angles in a triangle is always 180°.
Third angle = 180 - (88 + 84) = 8
In the equation x÷4=28 , what inverse operation would you use
Answer:
something time 4 is equal to x
Step-by-step explanation:
flip the question around
Harriet's picture is 8 in x 11 in. She wants the
total area to be 108 in²2. How wide should
the border around the picture be?
Step-by-step explanation:
To find the width of the border, we first need to calculate the area of the picture.
Area of the picture = length x width = 8 in x 11 in = 88 in²
Let the width of the border be "x".
The new length of the picture will be 11+2x, and the new width will be 8+2x.
The total area of the new picture with the border will be:
total area = (11+2x) x (8+2x) = 108 in²
Expanding this equation gives:
88 + 22x + 16x + 4x² = 108
Simplifying and rearranging the terms, we get:
4x² + 38x - 20 = 0
We can solve for x using the quadratic formula:
x = (-b ± sqrt(b² - 4ac)) / 2a
where a = 4, b = 38, and c = -20.
Plugging in these values, we get:
x = (-38 ± sqrt(38² - 4(4)(-20))) / 2(4)
x = (-38 ± sqrt(1936)) / 8
x = (-38 ± 44) / 8
The two possible solutions are:
x = 1.5 or x = -5
Since a negative width for the border does not make sense, the width of the border should be 1.5 inches.
An employee earns 8% commission on the sales of clothing sold. If she sells R4500 worth of clothing what will her commission be ?
The employee's commission on the sales of clothing sold would be R360.
Question 1(Multiple Choice Worth 2 points)
(Translations MC)
Triangle ABC is shown. Use the graph to answer the question.
triangle ABC on a coordinate plane with vertices at negative 8 comma 1, 0 comma 1, negative 4 comma 5
Determine the coordinates of the image if triangle ABC is translated 6 units to the right.
A′(−2, 1), B′(6, 1), C′(2, 5)
A′(−2, 1), B′(−6, 1), C′(−10, 5)
A′(−6, 7), B′(0, 7), C′(−4, 11)
A′(−6, −5), B′(0, −5), C′(−4, −1)
A′(2, 1), B′(6, 1), and C′(2, 5) are the image's positions as a result of moving the triangular 6 units to the right.
How are coordinates written down?The order of the numbers is always latitude first, semicolon after which is followed by longitude. For instance, New York City is located approximately at 40°N and 74°W in terms of latitude and longitude. The approximate coordinates for Sydney are 34°S and 150°E. When using a chart or globe, your longitude as well as latitude won't be precisely accurate.
To translate a point (x, y) to the right by 6 units, we add 6 to the x-coordinate.
So, the image of vertex A(-8, 1) would be A'(-8 + 6, 1) = A'(-2, 1).
Similarly, the image of vertex B(0, 1) would be B'(0 + 6, 1) = B'(6, 1).
And, the image of vertex C(-4, 5) would be C'(-4 + 6, 5) = C'(2, 5).
Therefore, the coordinates of the image after translating the triangle 6 units to the right are:
A′(−2, 1), B′(6, 1), C′(2, 5).
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Trent created a simple mosaic in 2/5 hours.
It took Trent 3 1/2 times as long to make a second mosaic. How much of the second mosaic did Trent complete in 1 hours?
Thus, 5/7 path of the second mosaic Trent will complete in 1 hours.
Explain about the mixed fractions:A mixed number is a representation of both a whole number and a improper fraction. In most cases, it denotes a number that falls either between two whole numbers.
Divide the numerator and denominator to create a mixed number from an incorrect fraction. The solution here becomes the numerator, the remainder the denominator, and the denominator stays the same.
Given:
Time to complete simple mosaic = 2/5 hours.
Now, Time to complete second mosaic = (3 1/2)*2/5 hours.
Convert the 3 1/2 (given in mixed fraction into proper fraction).
= (3*2 + 1)/2
= 7/2
So, to complete second mosaic Trent took = (7/2)*(2/5) = 7/5 hours.
In 7/5 hours ---> 1 complete part.
In 1 hour --> 5/7 part complete
Thus, 5/7 path of the second mosaic Trent will complete in 1 hours.
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A rectangle has a diagonal that measures 26 inches and a width that is 4 inches longer than twice the length. What is the length of the rectangle?
O 10 inches
O 11 inches
O 22 inches
O 24 inches
The correct answer is B. 11 inches.
Jamie bought a car in 2005 for $28,500. By 2008 the car was worth $27,700. Create a model that describe this situation.
V(t) = -$266.67t + $28,500 is the linear model that captures this situation.
What is a linear model?
In mathematics, a linear model is a mathematical function that has a constant rate of change between two variables. The general form of a linear model is given by:
y = mx + b
where "y" and "x" are variables, "m" is the slope of the line, and "b" is the y-intercept (the point where the line crosses the y-axis).
A line's slope is the ratio of change in y (vertical) to change in x. (horizontal). It denotes the pace at which y changes in relation to x. If the slope is upward, theIf the value is positive, the line ascends from left to right, while if it is negative, the line descends from left to right. A horizontal line has a slope of zero, but a vertical line has an indeterminate slope.
A line's y-intercept is the value of y when x is zero. It denotes the point at where the line intersects the y-axis.
We can build a linear model to characterise the car's value decline over time. Let V(t) be the car's worth t years after 2005. Then, using the two data points provided, we can construct two equations:
V(0) = $28,500 (the initial value in 2005)
V(3) = $27,700 (the value in 2008, 3 years later)
Because we are assuming
Because we have a straight line, we can write:
V(t) = mt + b
where m is the slope (annual rate of change) and b is the y-intercept (initial value).
We may use the two equations above to obtain the values of m and b:
V(0) = m(0) + b = $28,500 => b = $28,500
V(3) = m(3) + b = $27,700 = 3m + $28,500 = $27,700 = $27,700 = m = -$266.67/year
As a result, the linear model that best describes this circumstance is:
V(t) = -$266.67t + $28,500
This model reveals that the car's value depreciates at a rate of $266.67 per year, with a starting value of $28,500 in 2005. This methodology can be used to determine the worth of an automobile in any year after 2005.
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What is the range of the function f(x) = –2|x + 1|?
all real numbers
all real numbers less than or equal to 0
all real numbers less than or equal to 1
all real numbers greater than or equal to 1
Answer:
Since the absolute value of any real number is a positive, the range is all the real numbers less than or equal to 0. We can see this by placing x = 1 and hence getting 0.Mar
Step-by-step explanation:
the graph shows the midday
Answer:
I am sorry but I cant find the graph !
Can you please resend your question with the picture of the graph
thank you
Step-by-step explanation:
Answer:
a) 6°C
b) upward
Step-by-step explanation:
I don't know if you mean this type
a) The range of temperatures is the difference between the maximum and the minimum temperatures. From the graph we can see that:
maximum temperature: 18 °C
minimum temperature: 12 °C
Then:
range of temperatures: 18-12 = 6°C
b) The trend is upward because, given any temperature, the next one is higher.
The table shows the approximate population (in millions) of South Carolina for five years. If the trend continues, which could be a reasonable prediction of the population in 2018?
A reasonable prediction of the population of South Carolina in 2018, based on the trend shown in the table, is approximately 3.71 million people.
What is population?
Population refers to the total number of individuals, typically humans, living within a specific geographic area, such as a city, state, or country. It is an important measure for studying the demographics and characteristics of a given region or community. Population can also be used to analyze trends and patterns in areas such as healthcare, education, employment, and economics.
Based on the trend shown in the table, we can assume that the population of South Carolina is increasing linearly over time. To make a prediction of the population in 2018, we can use linear regression to estimate the slope and intercept of the line that best fits the data, and then use that line to extrapolate to the year 2018.
Using the data from the table, we can calculate the slope and intercept of the line of best fit as:
slope = 1.84
intercept = 4.92
Using these values, we can predict the population of South Carolina in 2018 as:
population_2018 = slope * 2018 + intercept
population_2018 = 1.84 * 2018 + 4.92
population_2018 = 3710.16 (rounded to two decimal places)
Therefore, a reasonable prediction of the population of South Carolina in 2018, based on the trend shown in the table, is approximately 3.71 million people.
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what would be the transformation from the parent function 4x^2-5
Answer:
f(x)=x² → g(x)=4x²-5
Parent Function: y=[tex]x^{2}[/tex]
Horizontal Shift: None
Vertical Shift: Down 5 Units
Reflection about the x-axis: None
Reflection about the y-axis: None
Vertical Compression or Stretch: Stretched
6(6)+18-55=118.
Help me find the answer
The following equation is given using the PEMDAS order of operations and we get the solved expression as -1.
What is BODMAS?BODMAS, also known as PEMDAS, is an acronym used to remember the order of operations in mathematics. The letters in the acronym stand for:
B - Brackets
O - Order (exponents and roots)
D - Division
M - Multiplication
A - Addition
S - Subtraction
BODMAS tells us about the order in which to perform mathematical operations in an expression. This is important because performing the operations in the wrong order can give us a different answer than what is intended.
We start by evaluating 6(6), which is 36. Next, we combine 36 and 18 to get 54.
Finally, we subtract 55 from 54 to get -1.
Therefore, the answer to the expression 6(6) + 18 - 55 is -1, not 118.
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Determine the possible number of real zeros using Descartes's rule f(x) - 6x^2-9x - 6
The number of negative real zeros is either 2 or 0.
How to use Descartes's rule ?
To use Descartes's rule to determine the possible number of real zeros of the polynomial function f(x) = 6x² - 9x - 6, we need to first find the sign changes in the coefficients of the polynomial.
The coefficient of the highest power of x is 6, which is positive. The coefficient of the next highest power of x is -9, which is negative. The coefficient of the constant term is -6, which is negative as well. So, there are two sign changes in the coefficients of the polynomial.
According to Descartes's rule, the number of positive real zeros of the polynomial f(x) is either equal to the number of sign changes in the coefficients or less than that by an even integer. In this case, there are two sign changes, so the number of positive real zeros is either 2 or 0.
Similarly, the number of negative real zeros of the polynomial f(x) is either equal to the number of sign changes in the coefficients or less than that by an even integer. In this case, there are two sign changes, so the number of negative real zeros is either 2 or 0.
Therefore, the possible number of real zeros of the polynomial function f(x) = 6x² - 9x - 6 is either 2, 0, or 2 complex zeros. To determine the exact number of real zeros and complex zeros, we may need to use other methods, such as the quadratic formula, factoring, or graphing.
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