* TRUE or FALSE: The absolute value of an integer is ALWAYS a positive number.
Answers
Answer:
TRUE
Step-by-step explanation:
Absolute value refers to a point's distance from zero or origin on the number line, regardless of the direction. The absolute value of a number is always positive
Related Questions
a study of data compiled from emergency departments reveals that the number of hospital visits for cooking-related knife injuries significantly increases around major holidays. what do the variables examined in the study show?
Answers
The variables examined in the study show the number of hospital visits for cooking-related knife injuries and their frequency during major holidays. The data compiled from emergency departments shows that there is a significant increase in the number of hospital visits for such injuries around major holidays.
This suggests that there may be a correlation between the holidays and the use of knives in cooking, possibly due to increased meal preparation and cooking during these times. Other variables that could be examined in further studies include the types of knives and cooking equipment used, the types of foods being prepared, and the demographics of those who sustain these injuries.
Variables refer to any characteristic, quantity, or attribute that can be measured and that can fluctuate or vary. Variables are of two types:
Dependent variablesIndependent variablesAn independent variable is one that is thought to influence the dependent variable, which is the characteristic or response that is being measured.
The variables examined in the study indicate that the number of hospital visits for cooking-related knife injuries increases around major holidays. This implies that there is a direct relationship between cooking and knife injuries on major holidays. As a result, measures must be put in place to reduce the risk of knife injuries during the holidays. This includes the creation of awareness campaigns and the promotion of safety in the kitchen.
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what is the probability that a five-digit integer chosen at random is divisible by 5? (enter your probability as a percent.) %
Answers
The probability that a five-digit integer chosen at random is divisible by 5 is 13.1 %.
Given :
what is the probability that a five-digit integer chosen at random is divisible by 5 .
Probability :
Probability is a branch of mathematics that deals with the occurrence of a random event.
Probability = 9^3 * 8 * 2 / 9 * 10^4
= 729 * 8 * 2 / 9 * 10000
= 5832 * 2 / 9 * 10000
= 11809 / 90000
= 0.131
converting into percentage :
= 0.131 * 100 %
= 13.1 %
Therefore The probability that a five-digit integer chosen at random is divisible by 5 is 13.1 %
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What is the simplest form of the radical expression? 3 * root(3, 2a) - 6 * root(3, 2a)
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Which graph shows a set of ordered pairs that represents a function? On a coordinate plane, solid circles appear at the following points: (negative 5, 4), (negative 3, 2), (negative 1, 3), (1, 1), (1, negative 2), (3, negative 3). On a coordinate plane, solid circles appear at the following points: (negative 5, 2), (negative 4, negative 4), (negative 3, 4), (negative 2, 2), (2, negative 2), (4, 3). On a coordinate plane, solid circles appear at the following points: (negative 4, 2), (negative 1, 4), (1, 0), (2, 3), (2, negative 3), (3, 1). On a coordinate plane, solid circles appear at the following points: (negative 4, 2), (negative 3, negative 4), (negative 3, 4), (negative 2, 1), (2, negative 3), (3, negative 1).
Answers
Answer:
(1,3)
Step-by-step explanation:
idk how to explain it to you
Answer:
Which graph shows a set of ordered pairs that represents a function?
On a coordinate plane, solid circles appear at the following points: (negative 5, 4), (negative 3, 2), (negative 1, 3), (1, 1), (1, negative 2), (3, negative 3).
On a coordinate plane, solid circles appear at the following points: (negative 5, 2), (negative 4, negative 4), (negative 3, 4), (negative 2, 2), (2, negative 2), (4, 3).
On a coordinate plane, solid circles appear at the following points: (negative 4, 2), (negative 1, 4), (1, 0), (2, 3), (2, negative 3), (3, 1).
On a coordinate plane, solid circles appear at the following points: (negative 4, 2), (negative 3, negative 4), (negative 3, 4), (negative 2, 1), (2, negative 3), (3, negative 1).(
( 1 ,3)
Step-by-step explanation:
Suppose that for an unknown periodic function g(t), c3 = 2/3-j. What are the values of the secondary coefficients a3 = q1 and b3 = q2?
Answers
b₃ = q2 = -(-1/3) = 1/3 are the values of the secondary coefficients.
Given c₃ = 2/3-j.
The values of the secondary coefficients a₃ = q1 and b₃ = q2 can be found using the formula below;
a₃ = (2/3 - j)/2
b₃ = -(2/3 - j)/(2j)
We are given c₃ = 2/3-j.
Thus, we can find the secondary coefficients a₃ = q1 and b₃ = q2 as follows;
a₃ = (2/3 - j)/2
We know that;c₃ = a₃ - jb₃
Also, we know that;c₃ = 2/3-j
Comparing the two equations above, we can write; a₃ = Re(c₃)/2= 2/3/2= 1/3
So a₃ = q1 = 1/3b₃ = -(2/3 - j)/(2j)
We know that;c₃ = a₃ - jb₃
Also, we know that;c₃ = 2/3-j
Comparing the two equations above, we can write;
jb₃ = c₃ - a₃= (2/3 - j) - 1/3
= (2/3) - (1/3) - j= 1/3 - j
So b₃ = q2 = -(-1/3) = 1/3
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A line passes through the point (-2, 7) and has a slope of -5.
What is the value of a if the point (a, 2) is also on the line?
A. -7
B. -1
C. 1
D. 7
Answers
Answer:
B. -1
Step-by-step explanation:
find the value of x,
de=5
Answers
The value of x is 10.
What is Midsegment of a Triangle?Midsegment of a triangle is defined as the line segment joining the midpoints of two sides of a triangle.
Every triangle will have three mid segments.
Given a triangle ABC.
Given the length of the midsegment DE = 5.
By the "Triangle Mid Segment Theorem", any midsegment of a triangle connecting two sides is parallel to the third side and the length is half of the length of the third side.
DE is the mid segment.
AB is the parallel side to DE.
DE = AB / 2
5 = x / 2
x = 10
Hence the length of the third side is 10.
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In the diagram below, AQRS is an equilateral triangle and RT I QS.
R
Q
S
7
Which statement must be true?
O A. QR = RT
B. RT = 2 · QT
O C. AQRT is a 45-45-90 triangle.
O D. AQRT is a 30-60-90 triangle.
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Find x when y=2 for y=6x+8
Answers
x
=
y
6
+
4
3
Tori uses the greatest common factor and the distributive property to rewrite this sum:
24 + 84
What expression does Tori write?
Responses
4(6+21)
, 4 left parentheses 6 plus 21 right parentheses,
12(2+7)
, 12 left parentheses 2 plus 7 right parentheses,
2(24+42)
, 2 left parentheses 24 plus 42 right parentheses,
24(1+4)
, 24 left parentheses 1 plus 4 right parentheses,
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Answers
Answer:
12·(2 + 7)
Step-by-step explanation:
24 + 84
= 12·2 + 12·7
= 12·(2 + 7)
Daniel is a piano teacher. He charges the same amount, s, for every teaching session. After 19 sessions, he has earned $1,235. How much does Daniel charge for 1 teaching session? Write a division equation.
Answers
Answer:
£65
Step-by-step explanation:
1235 / 19 = 65
(Meeting character limit)
the Olympic record for the men's 100m freestyle is 47 seconds. the Olympic record for the women's 50m freestyle is 24 seconds. what was each rate of speed? which record is the faster speed?
Answers
Answer:
Step-by-step explanation:
The unit rate of the 100m race is 2.12... m/s which you get by dividing the 100 meters by the 47 seconds. The unit rate for the 50m race is 2.08... m/s which you get by dividing the 50 meters by the 24 seconds. This means that the record for the 100m race is faster.
a convex polygon is a polygon in which every interior angle is less than $180$ degrees. a diagonal of a convex polygon is a line segment that connects two non-adjacent vertices. how many diagonals does a convex polygon with $20$ sides have?
Answers
The number of diagonal in convex polygon with 20 sides is equal to 170.
Number of sides in convex polygon = 20
Interior angle in convex polygon is less than 180 degrees
To find the number of diagonals in a convex polygon with 20 sides,
we can use the formula,
Number of diagonals = n(n-3)/2
where n is the number of sides.
Substituting the value of number of sides n=20, we get,
⇒ Number of diagonals = 20(20-3)/2
⇒ Number of diagonals = 17 x 20 / 2
⇒ Number of diagonals = 170
Therefore, a convex polygon with 20 sides has 170 diagonals.
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Which are true and which are false?
Answers
The correct statement is: the volume of the cylinder is 8 cubic inches more than that of the cone.
What is the Volume of a Cone and Volume of a Cylinder?The volume of cone (V) = 1/3 * πr²h
Volume of cylinder (V) = πr²h
Where, r is the radius of their bases.
The base area formula for the cone = πr²
Calculate the area of the base of the cone that has a radius (r) of 2.5 in:
Area of the base of the cone = π(2.5)² ≈ 19.6
The volume of the cone (V) = 1/3 * πr²h = 1/3 * π * 2.5² * 6.5
≈ 42.5 cubic inches
Volume of cylinder (V) = πr²h = π * 2² * 4
≈ 50.3 cubic inches
The difference in volume = 50.3 - 42.5
= 7.8 ≈ 8 cubic inches
Therefore, the only statement that is true is: the volume of the cylinder is 8 cubic inches more than that of the cone.
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Anita needs to build a house for a school project. The base of the house is a rectangle where the length of a rectangle is 8 more than the width. Its area is 240 ft sq
Answers
L = lengh
W = width
french reasoning ( hello from France ) !
The base of the house is a rectangle where the length of a rectangle is 8 more than the width.
=> L = W + 8
and
Its area is 240 ft sq
W x L = 240
L = W + 8
W x L = 240
=> W x (W+8) = 240
W² + 8W - 240 = 0
Δ = 8² - 4*1*(-240) = 32²
W' = (-8 + 32) / 2 = 12 ft
W'' = (-8 - 32) / 2 = impossible
at the end
W the width = 12 ft
and then the lengh = 12 + 8 = 20
area = 12 x 20 = 240 ft²
Can someone help with this problem?
Answers
Answer:
the awnser is 8 would you want me to do an explanation also?Consider the critical numbers of a function y = f (x) and the partition numbers for y'= f'(x) . Discuss the difference between these two types of numbers. Give an example to demonstrate any difference. Answer all parts of the prompt thoroughly.
Answers
The critical numbers of a function y = f(x) are the x-values where the derivative f'(x) is either zero or undefined. Partition numbers are the x-values that divide the domain of the derivative f'(x) into intervals.
Critical numbers play a crucial role in analyzing the behavior of a function. They indicate potential locations where the function may have local extrema or points of inflection. By finding the critical numbers and evaluating the function at those points, we can identify the presence of maximum or minimum values or points where the concavity changes.
Partition numbers, on the other hand, help us understand the behavior of the derivative in different intervals. By identifying partition numbers, we can divide the domain of the derivative into intervals and examine how the derivative behaves within each interval. This information is valuable for understanding the overall shape and characteristics of the function.
The key difference between these two types of numbers is that critical numbers help identify the locations of extrema (maximum or minimum points) or points of inflection, while partition numbers assist in determining the intervals where the derivative exhibits specific characteristics.
For example, consider the function f(x) = \(x^{3}\). The critical number of this function is x = 0, where the derivative f'(x) = 3\(x^{2}\) is zero. This critical number indicates a potential point of inflection. However, when we examine the partition numbers, such as x = -1 and x = 1, we can observe the different behavior of the derivative on the intervals (-∞, -1), (-1, 0), (0, 1), and (1, +∞). This information helps us understand the increasing and decreasing behavior of the function and the concavity in different intervals.
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for the following measurement, find the measurement that is the least accurate:
a. 208 m; b.18050 m;
c. 0.08 m; d.0.750 m; d.12.0 m.
Answers
The least accurate measurement among the options provided is 18050 m.Therefore, among the given options, 18050 m is the least accurate measurement due to its higher number of significant figures.
To determine the least accurate measurement, we need to consider the number of significant figures in each measurement. The measurement with the fewest significant figures indicates lower accuracy.
Among the options given:
a. 208 m has three significant figures.
b. 18050 m has five significant figures.
c. 0.08 m has two significant figures.
d. 0.750 m has three significant figures.
e. 12.0 m has three significant figures.
The measurement with the least accurate value is 18050 m because it has the highest number of significant figures among the options. A higher number of significant figures suggests a greater level of precision and accuracy in the measurement.
Significant figures represent the digits in a number that contribute to its precision. They include all the non-zero digits and any zeros that appear between non-zero digits or after a decimal point. In this case, the measurement 18050 m has five significant figures, indicating a high level of precision and accuracy.
On the other hand, measurements with fewer significant figures imply less precision and accuracy. For example, the measurement 0.08 m has only two significant figures, suggesting less certainty in the measurement compared to 18050 m.
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Triangle HEF is the image of triangle HGF after a reflection across line FH.
Select all statements that must be true.
1.) Segment EH is congruent to segment FG.
2.) Triangle EFH is congruent to triangle GFH.
3.) Triangle FGH is congruent to triangle FEH.
4.) Angle HFE is congruent to angle FHG.
5.) Angle EFG is congruent to angle EHG.
6.) Segment GH is congruent to segment EH.
Answers
There are only there statements that are true,
2.) Triangle EFH is congruent to triangle GFH.
3.) Triangle FGH is congruent to triangle FEH.
6.) Segment GH is congruent to segment EH.
The triangle is a geometric shape that includes 3 sides and the sum of the interior angle should not be greater than 180°
here,
As one triangle is a reflection of the other,
1.) Segment EH is congruent to segment FG.
It is False.
2.) Triangle EFH is congruent to triangle GFH.
It is true.
3.) Triangle FGH is congruent to triangle FEH.
It is true.
4.) Angle HFE is congruent to angle FHG.
It is False.
5.) Angle EFG is congruent to angle EHG.
It is False.
6.) Segment GH is congruent to segment EH.
It is true.
Thus, the true statment has been mentioned above.
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Given d = Od Blank # 1 Blank # 2 at². at², solve for a. Fill in the blanks in order from numerator to denominator. A/ A/
Answers
The blanks representing the numerator and the denominator are filled as follows
numerator : 2d
denominator: t²
How to fill the blanksThe equation given in the problem is
d = 1/2 * a * t²
To make a the subject of the formula we take the following steps
multiply each side by 2
2 * d = a * t²
divide both sides by t²
2 * d / t² = a
rearranging
a = 2 * d / t²
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if r(t) = 4t, 6t2, 2t3 , find r'(t), t(1), r''(t), and r'(t) × r ''(t).
Answers
The values are calculus in the vectors,
r(t)= <4t, 6t², 2t³>
r'(t)= <4, 12t, 6t²>
r''(t)= <0, 12, 12t>
T(1) = <4, 12t, 6t²>/13
r'(t)×r''(t) =<72t²,-48t, 48>
Given that,
The r(t)= <4t, 6t², 2t³>
We have to find r'(r),t(1), r''(t) and r'(t)×r''(t).
We know that,
What is calculus?Calculus is the mathematical study of change, much as geometry is the study of shape and algebra is the study of operations and how they are used to problem-solving.
r(t)= <4t, 6t², 2t³>
r'(t)= <4, 12t, 6t²>
r''(t)= <0, 12, 12t>
T(1) = r'(1)/||r'(t)||
T(1) = <4, 12t, 6t²>/√4²+12²+6²
T(1) = <4, 12t, 6t²>/√16+144+36
T(1) = <4, 12t, 6t²>/√136
T(1) = <4, 12t, 6t²>/13
r'(t)×r''(t) = \(\left[\begin{array}{ccc}i&j&k\\4&12t &6t^{2} \\0&12 &12t\end{array}\right]\)
=i(144t²-72t²)-j(48t-0)+k(48-0)
=72t²i-48tj+48k
=<72t²,-48t, 48>
Therefore, The values are calculus in the vectors,
r(t)= <4t, 6t², 2t³>
r'(t)= <4, 12t, 6t²>
r''(t)= <0, 12, 12t>
T(1) = <4, 12t, 6t²>/13
r'(t)×r''(t) =<72t²,-48t, 48>
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Expand 6x - 3(2x - 1)
x as in the letter not the symbol
Answers
\( \to \sf6x - 3(2x - 1)\)
\( \\ \\ \)
\( \to \sf6x - 6x + 3\)
\( \\ \\ \)
\( \to \sf0 + 3\)
\( \\ \\ \)
\( \to \sf 3\)
13 A cylindrical iron rod 8 cm high and 6 cm in diameter stands in a cylindrical tin 12 cm in diameter. See Fig. 15.22. Water is poured into the tin until its depth is 8 cm. How far would the level drop when the rod is removed?
Answers
Answer:
2cm
Step-by-step explanation:
The volume of water displaced by the rod is
v = πr^2 h = π * 3^2 * 8 = 72π cm^3
The drop in water level is the rod volume divided by the cross-section area of the tin, or
72π/(π*6^2) = 2 cm
What is the 2-digit subtraction with regrouping worksheets?
Answers
Answer:
To subtract two-digit numbers, use column form. Subtract one column at a time, starting with the Ones column. We regroup, or borrow. To regroup, take 1 from the Tens column and add 10 to the Ones column.
Step-by-step explanation:
Can someone please help me with geometry. Honestly I need help. Let me know please! :)
Answers
Answer:
Hey I want to try and help you out but can I know which grade you are?
Help me with this pls
Answers
Answer:
x=25
Step-by-step explanation:
25 degree angle is the same as x
suppose a research report states that the result of a between subjects one-way anova is f (3, 32) = 3.47 should the researcher reject the null hypothesis if using alpha = .05
Answers
Based on the given information, the researcher should not reject the null hypothesis if using an alpha level of 0.05.
In hypothesis testing, the null hypothesis is typically assumed to be true until there is sufficient evidence to reject it. To determine whether to reject the null hypothesis, researchers often compare the calculated F-value from an ANOVA test with the critical F-value. The critical F-value is based on the significance level (alpha) chosen for the test. In this case, the given F-value is 3.47 with degrees of freedom (3, 32), indicating that there are three groups and a total of 32 observations. To make a decision, the researcher needs to compare the calculated F-value to the critical F-value. If the calculated F-value is greater than the critical F-value, the null hypothesis is rejected. However, if the calculated F-value is less than or equal to the critical F-value, the null hypothesis is not rejected. Since the critical F-value corresponding to alpha = 0.05 is not provided in the question, we cannot determine whether the null hypothesis should be rejected.
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Pls help me its due sooon
Answers
Answer:
nobody
Step-by-step explanation:
In the attachment below I need you to find m∠DBC.
Answers
Answer:
m<DBC = 109
Step-by-step explanation:
8x-27=6x+7
8x=6x+34
2x=34
x=17
8(17)-27= 109
Answer: 109
Step-by-step explanation:
i'm not entirely sure of this answer as its been a while since ive done problems like this, however, i think the steps to solve are setting (8x-27) equal to (6x+7). Once you do that, you can solve for x. Substitute x into angle DBC to find the answer.
the standard deviation of f$ ar{x},f$ is usually called the
Answers
The standard deviation of f$ ar{x},f$ is usually called the "sample standard deviation".
This is a commonly used statistical measure that represents the amount of variation or dispersion within a set of data. It is calculated by taking the square root of the variance, which is the average of the squared differences from the mean.
The sample standard deviation is often used to compare the variability of different sets of data and to determine the significance of differences between them. Financial contracts known as derivatives are those entered into by two or more parties and whose value is derived from an underlying asset,
collection of assets, or benchmark. A derivative may be traded over-the-counter or on an exchange. Derivative prices are based on changes in the underlying asset.
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