Answer:
multiply both side by 2 to get rid of the 2
z(2)=6(2)
z=12
Item 4
This scale drawing shows a reduction in a figure.
What is the value of x?
Enter your answer as a decimal in the box.
x =
Answer:
x = 6.3 ft
Step-by-step explanation:
The scale factor is the ratio of corresponding sides, reduction to original.
scale factor = \(\frac{5.2}{10.4}\) = \(\frac{1}{2}\)
Then
x = 12.6 × \(\frac{1}{2}\) = 6.3 ft
Answer:
The answer is 6.3
Step-by-step explanation:
Could you mark me brainiest.
select the correct answer. a building has a triangular rooftop terrace which is modeled by triangle . in triangle , the measure of is , the measure of is , and the measure of is . which side of the terrace has the greatest length? a. cannot be determined b. c. d.
However, without specific measurements for the angles or sides of the triangle, we cannot determine the lengths of the sides or identify which side is the longest. Therefore, the answer is (a) "cannot be determined."
To determine which side of the triangular rooftop terrace has the greatest length, we need to examine the given information. The lengths of the sides of a triangle are dependent on the measures of the angles and the relative proportions between the sides.
Without knowing any specific values for the angles or sides, we cannot compare or determine the lengths of the sides accurately. Additional information is needed to identify which side has the greatest length.
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Answer:
cannot be determined
Step-by-step explanation:
Which equation matches the graph of the greatest integer function given below?
A. y= [x] + 3
B. y= [x] -3
C. y= [x] +2
D y= [x] -2
Answer:
D y= [x] -2
Step-by-step explanation:
The "floor" or "greatest integer" function graphs as a step function with a solid dot at the left end of each step. The point (0, 0) is one of those solid dots. When 2 is subtracted from the function value, the graph is shifted down 2 units so that it looks like the one given.
The given graph is of the equation ...
\(\boxed{y=\lfloor x\rfloor -2}\)
_____
Additional comment
The ceiling function ...
\(y=\lceil x\rceil\)
graphs as a step function with a solid dot at the right end of each step. There is a solid dot at (0, 0) for this function, as well.
Note that the function symbols have "hooks" above or below the argument to indicate ceiling or floor (respectively). The use of a square bracket [ ] for either of these functions would need to be accompanied by an explanation of the intended meaning. By itself, a square bracket has "hooks" both at the top and bottom, so does not represent either function unambiguously.
On the main floor of the Kodak Hall at the Eastman Theater, the number of seats per row increases at a constant rate. Steven counts 31 seats in row 3 and 37 seats in row 6. How many seats are there in row 20?
The required number of seats in row 20 is 126.
In this question, we are given that the number of seats per row increases at a constant rate on the main floor of the Kodak Hall at the Eastman Theater.
Steven counts 31 seats in row 3 and 37 seats in row 6. We need to determine how many seats are there in row 20. Let the number of seats in row 3 be a and the common difference be d.
Then, we can express the number of seats in row 6 and row 20 in terms of a and d.
The number of seats in row 6 is given to be 37. So, using the formula for the nth term of an arithmetic sequence, we can write an = a + (n - 1)d37 = a + 3d ...(1)Similarly, the number of seats in row 3 is given to be 31.
So, we have a3 = a + 2d31 = a + 2d ...(2)Subtracting equation (2) from equation (1), we get:37 - 31 = (a + 3d) - (a + 2d)6 = Thus, the common difference is 6. Now, using equation (2), we can write:31 = a + 2d31 = a + 2(6)31 = a + 123 = Therefore, the number of seats in row 20 will be:a20 = a + 19d = 12 + 19(6) = 126. So, there are 126 seats in row 20.
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help, i’ll give 20 points and thanks, and 5 stars
Answer: 8.75
Step-by-step explanation:
(0, 20) and (40, 370) any two coordinate points can be chosen
(370 - 20) / (40 - 0)
= 35/4 or 8.75
3. The graph of a linear function is shown on the grid
Which best describes the slope of the line shown above?
1. Given N(14, 3), answer the following questions.
(pictured below)
1) 98%
2)68%
3)50%
4)83.9%
Answer:
1) 98% 2)68% 3)50% 4)83.9%
Step-by-step explanation:
we would apply the formula for normal distribution which is expressed as z = (x - µ)/σWherex = variableµ = mean outputσ = standard deviationFrom the information given, µ = 14σ = 31) P(x < 20)For x = 20, z = (20 - 14)/3 = 2From the normal distribution table, the corresponding probability value is 0.98% = 0.98 × 100 = 98%
2) P(11 ≤ x ≤ 17)For x = 11, z = (11 - 14)/3 = - 1From the normal distribution table, the corresponding probability value is 0.16For x = 17, z = (17 - 14)/3 = 1From the normal distribution table, the corresponding probability value is 0.84P(11 ≤ x ≤ 17) = 0.84 - 0.16 = 0.68% = 0.68 × 100 = 68%
3) P(x > 14) = 1 - P(x ≤ 14)For x = 14, z = (14 - 14)/3 = 0From the normal distribution table, the corresponding probability value is 0.5P(x > 14) = 1 - 0.5 = 0.5% = 0.5 × 100 = 50%
4) P(5 ≤ x ≤ 17)For x = 5, z = (5 - 14)/3 = - 3From the normal distribution table, the corresponding probability value is 0.00135For x = 17, z = (17 - 14)/3 = 1From the normal distribution table, the corresponding probability value is 0.84P(5 ≤ x ≤ 17) = 0.84 - 0.00135 = 0.839% = 0.839 × 100 = 83.9%
A well-known chewing gum maker wants to determine if any of its four flavors of gum are more popular than the others. A random sample of 80 people who say they chew gum regularly is asked to identify their favorite flavor of gum. Here are the results:
The appropriate null hypothesis is (b) Flavor preferences are evenly distributed across all flavors
How to determine the appropriate null hypothesis?The distribution of the gum flavors is given as:
Peppermint = 25Cinnamon = 19Wintergreen = 22Spearmint = 14The sample size is given as:
Sample = 80
From the distribution of the gum flavor, we can see that the count of each flavor are not equal i.e. uneven
This means that we can use the following statement as the null hypothesis:
Flavor preferences are evenly distributed across all flavors
Hence, the appropriate null hypothesis is (b)
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People living in Boston are hospitalized about 1.5 times as often as those living in New Haven, yet their health outcomes, based on age-specific mortality rates, appear to be identical. Does this mean that hospital care has no ability to improve health
Health outcomes based on age-specific mortality rates seem identical among people living in Boston and those living in New Haven, even though those living in Boston are hospitalized about 1.5 times more often than those living in New Haven.
It may seem that hospital care has no ability to improve health based on the information given. However, a few possible explanations might help explain the data.First, it is important to note that hospitalization rates might be an imperfect proxy for health outcomes. People living in Boston might have more access to healthcare or preventive measures than those living in New Haven.
Thus, despite having higher hospitalization rates, people living in Boston might actually be healthier than those living in New Haven.
Therefore, their similar age-specific mortality rates might reflect this.Second, the quality of healthcare might differ between Boston and New Haven. Although hospital care has the potential to improve health, differences in the quality of healthcare might explain the lack of differences in age-specific mortality rates. People living in Boston might receive lower-quality healthcare than those living in New Haven. If this were the case, it might offset any benefits from being hospitalized more frequently.
Finally, it is possible that hospital care does not have a significant impact on health outcomes. For example, hospitalization might only provide short-term relief but not have a meaningful impact on long-term health outcomes. Alternatively, hospitalization might be associated with negative health outcomes, such as complications from surgery or infections acquired in the hospital.
In either case, the hospitalization rate might not be a good indicator of the impact of healthcare on health outcomes.In conclusion, the similar age-specific mortality rates among people living in Boston and New Haven, despite differences in hospitalization rates, might reflect a variety of factors. While hospital care has the potential to improve health, differences in healthcare access, healthcare quality, or the impact of hospitalization on health outcomes might explain the observed data.
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1. A chocolate chip cookie recipe calls for 12 cup of chocolate chips per batch. Alonzo wants to make 3 12 batches. a. How many chocolate chips will he need?
Given:
1 chocolate chip cookie recipe = 12 cup of chocolate chips per batch.
Alonzo wants to make 3 12 batches.
Lets's find the number of chocolate chips he will need.
Number of batches he wants to make is = 3 x 12 = 36 batches
SInce 1 chocolate chip cookie recipe calls for 12 cup of chocolate chips per batch, we have:
\(undefined\)I need the answer immediately!!!!!!!!
Answer:y=-5x-2
Step-by-step explanation:
This will have a negative slope since the line goes from left to right. Use rise over run to find the slope of -5 and look at the y axis where it intersects to get -2
Have a great day!
One more time help????
Which of the following is a multiple of 8?
A: 22
B: 48
C: 18
D: 30
There is a probablity of ____ that any individual at a random from
a population will fall (plus or minus) one standard deviation of
the mean.
Step-by-step explanation:
I hope this answer is helpful ):
Two right ide if a right triangle meaure 2 unit and 4 unit. What i the area of the quare that hare a ide with the third ide of the triangle?
The area of the third side of the triangle is either 20 square unit or 12 square units.
Triangle:
in math, triangle refers a simple closed curve made of three line segments and it has three vertices, three sides and three angles.
Given,
Two sides of a right triangle measure 2 units and 4 units.
And we need to find the area of the square that shares a side with the third side of the triangle
Let us consider is Two sides of a right triangle measure 2 units and 4 units.
Here if sides are perpendicular sides, then by using Pythagorean theorem
=> third side² = 2² + 4²
When we simplify this one, then we get,
=> third side² = 4 + 16
So, the third side² = 20
Then the area of the square that shares a side with the third side of the triangle = third side² = 20 sq units
Similarly, if 4 units is hypotenuse side, then by using Pythagorean theorem, the third side is calculated as,
=> third side² = 4² - 2²
And when we simplify this one, then we get,
=> third side² = 16 - 4
Therefore, the third side² = 12
And the area of the square that shares a side with the third side of the triangle = third side² = 12 sq units
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Which statement correctly compares the function shown on this graph with
the function y = 4x+ 2?
8
7
6
5
4
12
-5 -4 -3 -2 -1
1 2 3
4 5
-2
Answer:
B. The function shown on the graph has a smaller rate of change but a higher starting point
Step-by-step explanation:
Question options obtained from a similar question are;
A. The function shown on the graph has a greater rate of change and a higher starting point
B. The function shown on the graph has a smaller rate of change but a higher starting point
C. The function shown on the graph has a greater rate of change but a lower starting point
The function shown on the graph has a smaller rate of change but a higher starting point
Explanation;
The given function with which the graph is compared is y = 4·x + 2
From the given function, we have;
The rate of change of the function is the coefficient of 'x', therefore, the rate of change of the function = 4
When y = 0, 4·x + 2 = 0,
∴ x = -2/4 = -0.5
The y-intercept is given when x = 0
∴ The y-intercept, y = 4 × 0 + 2 = 2
The starting point of the function, is (0, 2)
From the graph, we have;
The y-intercept = (0, 4)
Therefore, the starting point of the line, the y-intercept, (0, 4), is higher than the starting point of the given function, (0, 2)
The coordinates of two (clear) points on the line in the graph are (0, 4) and (-2, -2)
The rate of change of the line, m = (4 - (-2))/(0 - (-2)) = 3
Therefore, the graph has a lesser rate of change, 3, than the rate of change of the given function, 4
When compared with the given function, 'the function shown on the graph has a smaller rate of change and a higher starting point'.
1. 7:4 = 21:x; what is the value of x?
A. 12
B. 10
C. 8
D. 6
E. 4
8.
Answer:
x = 12
I hope it's helps you
no links please help needs to be done soon
For problems 1 and 2, WXYZ MNOP.
Calendar
1. Find the scale factor
W
12
X
M
Z
12
Y
128
F
9
2. Find the values of each variable. Show all work!
X=
y =
Z=
Answer is in the file below
tinyurl.com/wpazsebu
Answer:
Scale Factor is 8/9 or 9/8
x= 13.5
y=8
z= 128
Step-by-step explanation:
Since MP = NO then WZ= XY XY=8 so WZ= 8 =(y)
<z = <NOP z= 128
XY = 8 and MP = 9 ratio between the corresponding parts is 8/9
\(\frac{8}{9} = \frac{12}{x} \\108= 8x\\13.5 = x\)
The total cost of gasoline varies directly with the number of gallons purchased. kathy pays $23.36 for 16 gallons of gasoline. which equation shows the relationship between the total cost of gasoline, c, and the number of gallons purchased, n?
Equation (A) C= 1.46n shows the relationship between the total cost of gasoline, c, and the number of gallons purchased, n.
What is an equation?An equation is a formula in mathematics that expresses the equality of two expressions by connecting them with the equals sign =. The word equation and its cognates in various languages may have somewhat different definitions; for example, in French, an équation is defined as including one or more variables, whereas in English, an equation is any well-formed formula consisting of two expressions linked by an equals sign.To find the right equation:
In order to find the constant rate, we would divide 23.36/16 which gives you 1.46. That is the price of 1 gallon which would change depending on the amount of falling a purchased (n) and give you the total price of (C).So, C=1.46nTherefore, equation (A) C= 1.46n shows the relationship between the total cost of gasoline, c, and the number of gallons purchased, n.
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The complete question is given below:
The total cost of gasoline varies directly with the number of gallons purchased. Kathy pays $23.36 for 16 gallons of gasoline. Which equation
shows the relationship between the total cost of gasoline, c, and the number of gallons purchased, n?
A.C= 1.46n
B. n = 1.46c
C.C = 23.361
D. n = 23.36c
find the best estimate for the unicity distance for affine cipher. group of answer choices 1.33 2.35 3.33 2.66 1.75
The closest answer choice to this value is option 1, 33. Therefore, the best estimate for the unicity distance for an affine cipher is 33.
To find the best estimate for the unicity distance for an affine cipher, we can use the following formula:
Unicity Distance (U) = (keyspace / entropy) × log2(1 / redundancy).
Given the answer choices:
1. 33
2. 35
3. 33
4. 26
5. 17.5
For an affine cipher, the keyspace is 26^2 (since there are 26 possibilities for both 'a' and 'b' in the equation
y = (ax + b) mod 26).
The entropy of English text is roughly 1.5 bits/character, and the redundancy is approximately 0.7.
Using the formula, we have:
U = (26^2 / 1.5) × log2(1 / 0.7)
U ≈ 33.49
Therefore, the best estimate for the unicity distance for an affine cipher is 33.
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Dominick is planning to take a vacation to either Orlando or Tampa Bay. He wants to go to the city that is warmer, on average. The box plot shows the temperatures from the previous year during the time that Dominick will take his vacation: box plot labeled Orlando with min at 64. 5, Q1 at 65. 5, median at 67. 5, Q3 at 71. 5, max at 72. 5. Box plot labeled Tampa Bay with min at 60, Q1 at 63. 5, median at 66. 25, Q3 at 72. 5, max at 74 Which city should Dominick visit, and why? He should visit Orlando. It has a greater IQR. He should visit Orlando. The median is higher and the range is smaller, so the temperature is higher on average. He should visit Tampa Bay. The highest temperature occurred there. He should visit Tampa Bay. The range is very large, so there is a better chance that any given day will be warm.
Answer:
B. He should visit Orlando. The median is higher and the range is smaller, so the temperature is higher on average
Step-by-step explanation:
i took the test
work out the circumference of this cylinder.
Answer:
1323.45 cm²Step-by-step explanation:
Given:
r = 8.2 cmh = 17.5 cmTotal surface area:
S = 2πr² + 2πrh = 2πr(r + h)S = 2*3.14*8.2(8.2 + 17.5) = 1323.45 cm² (rounded to the nearest hundredths)the _____ of a linear equation is Ax+By=C, where A, B, and C are integers
The standard form of a linear equation is Ax+By=C, where A, B. and C are integer.
What is been meant by the standard form of a linear equation?The standard form of a linear equation is the one that is been given above and we can see that from the equation, Ax+By=C, we can see that the value of A, B, and C are integers which could be 4, 6 8 3 depending on the given equation.
In conclusion, the linear equation can be described as the equation that the highest power of the variable that can be found there will be 1.
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Because age cannot be an independent variable, research on aging uses a(n) ______________ type of design.
Research on aging uses a **longitudinal** design.
A longitudinal design is a research design in which the same participants are studied over time. This is in contrast to a **cross-sectional** design, in which different participants are studied at different times.
Because age cannot be manipulated as an independent variable, research on aging must use a longitudinal design. This allows researchers to track changes in participants' behavior, cognition, and other factors as they age.
Longitudinal studies can be expensive and time-consuming to conduct, but they can provide valuable insights into the aging process. For example, longitudinal studies have shown that cognitive decline is not inevitable with age, and that certain lifestyle factors, such as exercise and social engagement, can help to protect against cognitive decline.
Here are some examples of longitudinal studies on aging:
* The Baltimore Longitudinal Study of Aging, which has been following a group of adults for over 70 years.
* The Framingham Heart Study, which has been following a group of adults for over 70 years.
* The Study of Adult Development and Aging, which has been following a group of adults for over 80 years.
These studies have provided valuable insights into the aging process, and they continue to be an important source of information for researchers and policymakers.
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what is the equation of the line that contains the point (2,3) and has a slope of - 3/2
equation of line
y=mx+b
If m=-3/2
we have
\(\begin{gathered} y=mx+b \\ y=-\frac{3}{2}\cdot x+b \end{gathered}\)From points (2,3), we find b
\(\begin{gathered} y=-\frac{3}{2}\cdot x+b \\ 3=-\frac{3}{2}\cdot2+b \\ 3=-3+b \\ b=6 \end{gathered}\)Therefore
\(y=-\frac{3}{2}\cdot x+6\)PLEASE HELP!!!
Jaslynn solved the equation shown below. 2(x+5) - 4 = 5(x - 3) 2x + 10 - 4 = 5x - 15 2x + 6 = 5x - 15 6 = 3x - 15 21 = 3x 7 = x What properties did she use to solve the equation? Select all that apply. Group of answer choices Addition Property of Equality Transitive Property of Equality Combine Like Terms Distributive Property Subtraction Property of Equality Substitution Property of Equality Division Property of Equality
Answer:addition property of equality, combine like terms, distributive property and division property of equality.
Step-by-step explanation: I took the test
the polynomial x^2-(k+1)x-3 has a factor (x-k+1). find k
Answer:
p
Step-by-step explanation:
please help some one I also need help on this
1. Refer to the equation 2x – 6Y = 12.
(a) Rewrite the equation into slope intercept form. Show your work.
(b) Use the slope intercept form of the equation to graph the line.
Below!
Step-by-step explanation:1a) 2x – 6Y = 12.
=> 2x - 12 = 6y=> 6y = 2x - 12=> 6y/6 = 2x/6 - 12/6=> y = x/3 - 21b) The PDF file represents the line.
Hoped this helped.
\(BrainiacUser1357\)
Calculate the length of the diagonal, d, of this cylinder
the answer is 10ft hope this helps!
hey guys, can someone help me with this question? it’s due today by midnight
Answer:
4L + 8H = 512 (First answer)
You can take 92 low resolution pictures (second answer)
Step-by-step explanation:
Let L represent the number of low resolution pictures you take and H the number of high resolution pictures you can take.
You only have 512 megabytes.
Therefore, the number of megabytes the low resolution pictures you take plus the amount of megabytes the high rsolution you take in total should be 512
Therefore your equation is:
4L + 8H = 512 (First answer)
You took 18 high resolution pictures, so substitute 18 for H
4L+8(18) = 512
4L+144=512
subtract 144 on both sides
4L=368
divide by 4
L= 92
You can take 92 low resolution pictures
Hope this helps!