(a) g(x)=4 means we need to find the value of x that makes y=4, which is -4
(b) g(0) means we need to find y when x=0, which is 2
how many integers between 2023 and 5757 have 12, 20, and 28 as factors
Answer:
9 integers between 2023 and 5757 that have 12, 20, and 28 as factors.
Step-by-step explanation:
An integer that has 12, 20, and 28 as factors must be divisible by the least common multiple (LCM) of these numbers. The LCM of 12, 20, and 28 is 420. So we need to find the number of integers between 2023 and 5757 that are divisible by 420.
The first integer greater than or equal to 2023 that is divisible by 420 is 5 * 420 = 2100. The last integer less than or equal to 5757 that is divisible by 420 is 13 * 420 = 5460. So the integers between 2023 and 5757 that are divisible by 420 are 2100, 2520, ..., 5460. This is an arithmetic sequence with a common difference of 420.
The number of terms in this sequence can be found using the formula for the nth term of an arithmetic sequence: an = a1 + (n - 1)d, where an is the nth term, a1 is the first term, d is the common difference, and n is the number of terms. Substituting the values for this sequence, we get:
5460 = 2100 + (n - 1)420 3360 = (n - 1)420 n - 1 = 8 n = 9
So there are 9 integers between 2023 and 5757 that have 12, 20, and 28 as factors.
Absolute vale of x+2 if x is less than 2
Answer: The expression for the absolute value of x+2 when x is less than 2 is -(x+2).
Step-by-step explanation: When x is less than 2, x+2 is a negative number. The absolute value of a negative number is its opposite with the negative sign, so the absolute value of x+2 is -(x+2). Therefore, when x is less than 2, the expression for the absolute value of x+2 is -(x+2).
A box is being packed with cubes that measure 1 cubic foot. What is the volume of the box in cubic feet
Answer:
81 cubic foot
Step-by-step explanation:
It is given that the box is packed with cubes whose side is 1 foot. So the volume of one cube is 1 cubic foot.
Now from the figure, we can see that :
Number of cubes fitting the box across its length = 9 cubes
Number of cubes fitting the box across its width = 3 cubes
Number of cubes fitting the box across its height = 3 cubes
And each of these cubes measures 1 x 1 x 1 cubic foot
So the volume of the box can be found out by:
Volume = length x width x height
= 9 x 3 x 3
= 81 cubic foot
Therefore volume of the box is 81 cubic foot.
A student's height is measured as 66 in. to the nearest inch. What are the
student's minimum and maximum possible heights?
Ling and her friends are planning a trip to the Misty Falls water park. The employee Ling spoke to on the phone said the total cost for all 4 of them would be $76. This includes an entrance ticket and a $6 tube rental fee for each person. Which equation can you use to find c, the cost of an entrance ticket?
The equation can you use to find c, the cost of an entrance ticket is x=13.
What is a linear equation?A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation. The standard form of a linear equation in one variable is of the form Ax + B = 0. Here, x is a variable, A is a coefficient and B is constant.
Given that;
Total cost of 4 friends= $76
The cost of entrance ticket= $6
Now,
Based on the given conditions, formulate:
4 x (x+6)=76
Reduce the greatest common factor on both sides of the equation
x+6=19
Rearrange unknown terms to the left side of the equation:
x=19-6
Calculate the sum or difference:
x=13
Therefore, the equation will be x=13
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Tell what whole number you can substitute for z in the following list so the numbers are ordered from least to greatest.
1/x, x/3, 80%
The whole number that can be substituted for z is 1.
The whole number you can substitute for zTo order these numbers from least to greatest, we need to first find a value for x that makes the expressions comparable.
1/x can be rewritten as 0.01/x
80% can be written as 0.8
So, the list becomes:
0.01/x, x/3, 0.8
To compare 0.01/x and x/3, we can cross-multiply and simplify:
0.01/x < x/3
0.01*3 < x^2
0.03 < x^2
x > sqrt(0.03)
Since x has to be a whole number, the smallest possible value for x is 1.
So, substituting x = 1, the list becomes:
0.01, 1/3, 0.8
Ordering these from least to greatest, we get:
0.01, 0.8, 1/3
Therefore, the whole number that can be substituted for z is 1.
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A tree is 57 inches tall. How tall is it in feet and inches?
Hey there! :)
Answer:
4 ft 9 inches tall.
Step-by-step explanation:
Convert 57 inches to feet:
12 inches = 1 foot.
Therefore:
57 / 12 = 4 with a remainder of 9.
Thus, the tree is 4 ft 9 inches tall.
Answer:
4 feet 9 inches
Step-by-step explanation:
There are 45
students in the University Travel Club. The following information and Venn diagram show how many students traveled to Germany, France, and Spain. How many students have been to Germany or Spain but not France?
20
members have visited Germany
20
have been to Spain
19
have visited France
10
have been to Germany and France
4
have only been to Germany
6
have only been to France
3
have been to only Spain and France
3
have been to all three countries
Some of the members have not been to any of the three
The number of students that have been to Germany or Spain but not France is given as follows:
18.
How to obtain the amounts?The amounts are obtained considering the Venn diagram in the problem.
For the 20 students that went to Spain, we have that:
x went only to Spain.3 have gone to Spain and France.3 have gone to Spain, Germany and France.6 have gone to Spain and Germany.Hence the value of x is obtained as follows:
x + 3 + 3 + 6 = 20
x + 12 = 20
x = 8.
The number of people who have gone to Spain or Germany but not France is given as follows:
6 + 4 + 10 = 18.
(or means at least one of Spain or Germany).
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The following stem and leaf plot represents the times and minutes required for 26 coworkers to communicate to work. Use the data provided to find The second quartile
The second quartile is the median of the data.
There are a total of 26 data values.
Therefore, the median is given by the average of the 13 th and the 14 th data points.
The 13 th data is 27
The 14 th data is 31
The average of the 13 th and the 14 th is given by:
\(\frac{27+31}{2}=\frac{58}{2}=29\)Hence, the second quartile is 29
a) Alex, an eighth grader, and Eric, a seventh grader, need to determine who came
closer to their grade’s state record for the triple jump. Alex jumped 38 feet 11 2/3
inches and Eric jumped 36.89 feet. Who was closer to the state record if the eighthgrade record is 40.17 feet, and the seventh-grade record is 38 feet 1 3/5 inches? (2
points)
The person that was closest to the state record after the jump is; Alex
How to solve Algebra word problems?We are told that Alex jumped 38 feet 11²/₃ inches or 38.9725 ft and that the eighth-grade record is 40.17 feet.
Let see how closer Alex jumped was;
40.17 feet - 38.9725 ft = 1.2425 ft
We are told that Eric jumped 36.89 feet and the state record of the eighthgrade record is 40.17 feet. Thus;
Let see how closer Eric jumped was;
40.17 feet - 36.89 ft = 3.28 ft
We conclude that 1.2425 ft is less than 3.28 ft and as such Alex was closer.
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What is two times 5/7?
Answer:
10/7 or in decimal form 1.42
Good Luck!
Answer:
1 3/7 or 10/7
Step-by-step explanation:
you do 2 x 5/7 and so you multiply the 2 by 5 so you get 10 so the answer is 10/7 or 1 3/7!
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Identify the proof to show that △ABD≅△CBD
, where ∠BDA≅∠BDC
are right angles, D
is the midpoint of AC¯¯¯¯¯
, AB¯¯¯¯¯≅BC¯¯¯¯¯
, and BD¯¯¯¯¯
bisects ∠B
.
The figure shows two triangles A B D and C B D with a common side B D. Points A, D, C lie on one line.
We have proven that △ABD ≅ △CBD based on the given information and the SAS congruence criterion.
To prove that △ABD ≅ △CBD, we can use the SAS (Side-Angle-Side) congruence criterion.
Given:
∠BDA ≅ ∠BDC (Both are right angles)
D is the midpoint of AC¯¯¯¯¯
AB¯¯¯¯¯ ≅ BC¯¯¯¯¯
BD¯¯¯¯¯ bisects ∠B
Proof:
Since D is the midpoint of AC¯¯¯¯¯, we have AD ≅ CD by the definition of a midpoint.
AB¯¯¯¯¯ ≅ BC¯¯¯¯¯ (Given)
BD¯¯¯¯¯ is a common side for both triangles.
∠BDA ≅ ∠BDC (Given)
To apply the SAS congruence criterion, we need to show that one pair of corresponding sides and the included angle are congruent in both triangles.
AD ≅ CD (Side) - This is true as D is the midpoint of AC¯¯¯¯¯.
∠BDA ≅ ∠BDC (Included Angle) - Both are right angles.
By the SAS congruence criterion, we can conclude that △ABD ≅ △CBD.
Therefore, we have proven that △ABD ≅ △CBD based on the given information and the SAS congruence criterion.
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14Y - 7y = 35. solve for y
Answer:
y = 5
Step-by-step explanation:
\(14y-7y=35\\7y=35\\y=5\)
14 minus 7 is 7
7Y is equal to 35
divide both sides by 7 is equal to 5
Let y = 5x^2
Find change in y, deltay when x =2 and delta x = .1
Find the differential dy when x = 2 and dx = .1
Change in y when x =2 and Δx= 0.1 is 2.05 and the differential dy when x= 2 and dx = 0.1 is 2
Δy and dy can be calculates as follows
We already knew that Δy = f( x + Δx ) - f(x) and y = f(x)
so we just need to subtitute the values
Δy = f( x + Δx ) - f(x)
Δy = f( 2 + 0.1 ) - f(2) and back to y = f(x) we can subtitute the f(x) by \(5x^{2}\) so,
Δy = \(5(2.1)^{2} -5(2)^{2}\)
Δy = 2.05
and for the differential,
dy = f'(x) dx and we need to know diferential from y=\(5x^{2}\) is 10x
so we just subtitutes the values
dy = f'(x) dx
dy = f'(2) (0.1) and back to diferential from y=\(5x^{2}\) is 10x so subtitute the f'(x)
dy = 10(2) (0.1)
dy = 2
hence, change in y, Δy is 2.05 an the diferenyial dy is 2
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True or False
Can the expression (2x-2) +2 be read as the sum of two terms?
What additional information is needed to prove the triangles are congruent by SAS ?
EA¯¯¯¯¯≅CD¯¯¯¯¯
EB¯¯¯¯¯≅CB¯¯¯¯¯
∠BEA≅∠BCD
∠EAB≅∠CDB
Answer:
Answer choice B was correct
Step-by-step explanation:
Line segment EB is congruent to line segment CB. I took the test.
Lisa randomly selected 30 adult dogs from two different breeds. She gathered data about their weights and created the dot plots
shown.
Select the true statement.
Breed A
24
Breed B
24
26
26
28
28
30 32
Weight (pounds)
34
po 32
Weight (pounds)
34
36
36
30
●
38
40
40
A.
Dogs of breed B typically weigh more than dogs of breed A
B.
Dogs of breed A and breed B typically weigh the same.
C. There is too much overlap to make a generalization comparing the weights of dogs of breed A and breed B.
D. Dogs of breed A typically weigh more than dogs of breed B.
The true statement is Statement A which is dogs of breed B typically weigh more than dogs of breed A using histogram in probability concept.
What is a histogram in probability?The likelihood of each possible occurrence is displayed on the y-axis of a probability histogram. A histogram is a statistical data display that makes use of rectangles to illustrate the frequency of data items in successive numerical intervals of equal size. The dependent variable is plotted along the vertical axis in the most typical type of histogram, while the independent variable is plotted along the horizontal axis. The distribution of data is depicted graphically in a histogram. A collection of neighboring rectangles, each with a bar that represents a certain type of data, is used to illustrate a histogram. Fill L1 with the values of the random variable (remember to use the class midpoints for continuous random variables). The associated percentages should be entered into L2 with a decimal format.
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In the real world, functions are mathematical representations of input-output situations. A vending machine is one such example. The input is the money combined with the selected button. The output is the product.
Here is another example: The formula for converting a temperature from Fahrenheit to Celsius is a function expressed as:
C = (5/9)*(F - 32), where F is the Fahrenheit temperature and C is the Celsius temperature.
If it is 77 degrees Fahrenheit in Phoenix Arizona, then what is the equivalent temperature on the Celsius thermometer?
Our input is 77.
C = (5/9)*(77 - 32)
C = (5/9)*(45)
C = 25
The equivalent temperature is 25 degrees Celsius.
To complete the Discussion activity, please do the following:
Choose your own function or choose from the list below and then provide a unique example of a function and evaluate the function for a specific input (like the example above).
Arm length is a function of height.
The circumference of a circle is a function of diameter.
The height of a tree is a function of its age.
The length of person's shadow on the ground is a function of his or her height.
Weekly salary is a function of the hourly pay rate and the number of hours worked.
Compound interest is a function of initial investment, interest rate, and time.
Supply and demand: As price goes up, demand goes down.
The correct answer is John's weekly salary is $240 based on his hourly pay rate and the number of hours worked.
Let's choose the function "Weekly salary is a function of the hourly pay rate and the number of hours worked."Example: John works as a part-time employee at a grocery store. His hourly pay rate is $12, and he worked for 20 hours in a week. We can evaluate the function to find his weekly salary.
Weekly salary = Hourly pay rate * Number of hours worked
Weekly salary = $12/hour * 20 hours
Weekly salary = $240
So, John's weekly salary is $240 based on his hourly pay rate and the number of hours worked.
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the are of the circle below is 28.26 ft. squared. What is the diameter
Answer: 8.06 Inches
The area of the circle is 28.26 ft². 3. The diameter of the circle is 8.06 inches.
The product of two rational numbers is______ (1.A rational, 2.An irrational)
number because multiplying two rational numbers is
equivalent to the ratio of_____ (1.Two irrational numbers, 2.a rational and an irrational number, 3.Two integers)
which is_____ (1.a rational, 2.an irrational)
number.
The product of two rational numbers is 1 . A . Rational number because multiplying two rational numbers is equivalent to the ratio of 3 . Two integers which is 1 . a rational number .
What is the product of two rational numbers ?The product of two rational numbers is always a rational number. This is because a rational number is defined as a number that can be expressed as the ratio of two integers.
When you multiply two rational numbers, you are simply multiplying two ratios, which is still a ratio and therefore a rational number.
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a tank truck holds 33.8 kl of oil. How many gallons does it hold
If f(x) = 6x2 - 4 and g(x) = 2x + 2, find (f - g)(x).
Please help! It is algebra 1
12x^3+12x^2-8x-8
This is because you use the distributive property and you put g(x) first because you go from the inside out.
If f(x) = 5x-2, what is (x)?
Answer:
x= 0.4, or x = 2/5
Step-by-step explanation:
To find x you have to replace f(x) with 0 and solve for x
Hope this helps:)
Which equation represents a linear function
Answer:
Linear equation: y=mx+b
The answer is: y=2x+1 (equation 1)
Hope that helps!!
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In point estimation a. data from the sample is used to estimate the population parameter. b. the mean of the population equals the mean of the sample.
Answer:
a. data from the sample is used to estimate the population parameter.
Step-by-step explanation:
Given
Point estimation
Required
The true statement
Point estimation literally means taking data from the sample to estimate the corresponding population parameter
For instance:
Sample mean estimates population mean
Sample standard deviation estimates population standard deviation
Sample variance estimates population variance
Hence;
(a) is correct
Rationalize the denominator and simplify.
Answer:
3√7 /7
Step-by-step explanation:
Which term can be added to the list so that the greatest common factor of the three terms is 12h3?
36h3, 12h6, __________
The term that can be added to the list so that the greatest common factor of the three terms 12h3 36h3, 12h6, is 48h5
How can the term be known?A group of numbers' greatest common factor (GCF) is the biggest factor that all the numbers have in common. For instance, 12, 20, and 24 all share two characteristics.
The term that can fit in to the list so the GCF is 12h3 would be 48h5, this is so because 48 is first divisible by 12 without any fraction, and we can remove upon dividing 3 h's from this term as it contains a total of 5 h's.
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Help me I really need help...
Answer:P=408/A=9,920
Step-by-step explanation:
Drag and drop the constant of proportionality into the box to match the table. If the table is not proportional, drag and drop "not proportional" into the box. Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse. x 0 3 6 9 y 0 2 4 6
The constant of proportionality in the box to match the table will be 2/3. Then the last option is correct.
What are ratio and proportion?A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.
The table is given below.
x y
0 0
3 2
6 4
9 6
The variable 'y' is directly proportional to the variable 'x'. Then we have
y ∝ x
y = k x
At (9, 6), the value of the constant 'k' is given as,
6 = 9k
k = 6 / 9
k = 2/3
The proportionality is given as,
y = (2/3) x
The constant of proportionality in the box to match the table will be 2/3. Then the last option is correct.
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In the diagram below, AB || CD, AD || BC, m/ABC = 110°,
m/CDE = 37° and m/ECB = 43°. Find m/DEC.
A
B
110°
E
D
37°
43°
C
Use photo to understand better PLEASE HELP