The term that describes why Janie didn't want to volunteer is probably the diffusion of responsibility. I think this is the answer ( and this is the answer I put on my quiz ) because the responsibility does not have to belong to Janie since there are nineteen other students that can volunteer.
Answer: Diffusion of responsibility
Note: I don't think the answer above is correct
none; live
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!
How many solutions does the equation have?
2x+3+4x x2
A)many solutions
B)no solutions
C)1 solution
What is the GCF of 15 and 27 ?
Circle the step where the error has occurred. Explain why it is an error.
Given: 2(10−13)=−34+60
Step 1: Distribute
20−26 = −34+60
Step 2: Addition Property of Equality
−26 = −34+80
Step 3: Addition Property of Equality
8=80
Step 4: Division Property of Equality
=10
Answer:
error in step 2. 20 is added on both sides instead of subtraction.
Step-by-step explanation:
Given: [tex]2(10-13)=-34+60[/tex]
Step 1: Distribute
[tex]20-26 = -34+60[/tex]
2 is distributed inside the parenthesis. 2 times 10 is 20
2 times -13 is -26
Step 2: Addition Property of Equality
[tex]-26 = -34+80[/tex]
To eliminate 20 we subtract 20 from both sides. Here 20 is added on both sides. To eliminate any number we do opposite operation. So there is an error in this step.
Step 3: Addition Property of Equality
8=80
Step 4: Division Property of Equality
=10
Mrs evans has 120 crayons and 30 pieces of paper to give to her students. what is the largest number of students she can have so that each student gets equal number of crayons and equal number of pieces of paper
The maximum number of students that will receive the paper and crayons are 30.
What is ratio?
Ratio is a quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Given is Mrs. Evans who has 120 crayons and 30 pieces of paper to give to her students.
We have 120 crayons and 30 pieces of paper.
Then for 1 paper, we will have (120/30) which is equivalent to 4 crayons.
So, every student will get 1 paper and 4 crayons.
Assume that the maximum number of students that will receive the paper and crayons are [x]. Then, we can write -
x + 4x = 120 + 30
5x = 150
5x = 150
x = 30
Therefore, the maximum number of students that will receive the paper and crayons are 30.
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If a line has a positive slope what is its general direction
A line with a positive slope generally moves upward from left to right, representing an increase in y-values as x-values rise.
Explanation:If a line has a positive slope, its general direction is upward from left to right. This means that as the x-values increase, the y-values also increase. The slope of a line in mathematics represents the rate at which y changes with respect to x. A positive slope indicates a direct relationship between the two variables involved; as one increases, so does the other. In the context of a graph, this manifests as a line that rises as it moves along the x-axis.
The nature of the slope determines the line's direction. A higher positive slope indicates a steeper ascent, while a smaller positive slope results in a less steep, flatter incline. The concept of slope is crucial in economics as well, as it measures the relationship between two variables, such as price and quantity supplied, where a positive slope illustrates that firms supply more as the price goes higher.
Line GH contains points G(–2, 6) and H(5, –3). What is the slope of ?
We will use the slope formula and fill it in accordingly.
[tex] m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}} [/tex]
Our x2 is 5 and x1 is -2; our y2 is -3 and y1 is 6
[tex] m=\frac{-3-6}{5-(-2)}=\frac{-9}{7} [/tex].
The slope of your line is -9/7
Answer
Find out the slope of the points G(–2, 6) and H(5, –3).
To prove
The equation for finding the slope of two points be
[tex]m = \frac{y_{2} -y_{1}}{x_{2} - x_{1}}[/tex]
where m represented the slope .
As given
points G(–2, 6) and H(5, –3).
[tex]m = \frac{-3-6}{5+2}[/tex]
solving the above terms
[tex]m = \frac{-9}{7}[/tex]
Therefore the slope of points G(–2, 6) and H(5, –3) is
[tex]m = \frac{-9}{7}[/tex]
Which expression is equivalent to 12x^4(x-3)(x+5)/ 30x(x+3)(x+5)
The equation which is equivalent to the given expression is 4x + y = 21.
What is an expression?Expression is a finite combination of symbols that is well-formed according to rules that depend on the context. An expression is a combination of numbers, variables, or a combination of numbers and variables, and symbols and it is connected by the sign of equal.
We have,
Expression [tex]\frac{12x^4(x-3)(x+5)}{30x(x+3)(x+5)}[/tex]
So,
Now,
To get the equivalent expression,
Cancel the common factor (x + 5) of the given expression,
On solving,
We get,
[tex]\frac{12x^4(x-3)}{30x(x+3)}[/tex],
Now,
On solving further,
We get,
[tex]=\frac{2x^3(x-3)}{5(x+3)}[/tex]
So, We can not solve it further,
So, This is the expression that is equivalent to the given expression.
Hence, we can say that the equation which is equal to the given expression is [tex]\frac{2x^3(x-3)}{5(x+3)}[/tex].
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The programmer can type 55 words per minute.
At that rate, how many words can the programmer type in 11 min?
66
550
605
655
Answer:
605 words per 11 minutes!
Step-by-step explanation:
60 / 55 = 1.0909
11 x 60 = 660
660 / 1.0909 = 605 + (6x - [tex]\int\limits^a_c {b} \, dx[/tex]) / 10
605 + (6x - [tex]\int\limits^a_c {b} \, dx[/tex]) / 10 rounded = 605
write the expression in standard form. 3/3-12i
The expression '3/3 - 12i' simplifies to '1 - 12i' which is already in the standard form for a complex number.
Explanation:The expression you've mentioned is 3/3-12i. First, we need to simplify it. The term 3/3 equals to 1. So, the expression becomes 1 - 12i. This is already in a standard form for a complex number.Standard form for a complex number is represented as a + bi, where a and b are real numbers and i represents the imaginary unit. Therefore, our expression 1-12i is in standard form of complex numbers, where a=1 (real part) and b=-12 (imaginary part).
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If f(x) =3x^2 and g(x) =4x^3 +1 what is the degree of fg (x)
True or false any number in the form of a + bi where a and b are real numbers
True........................
Which expression is equivalent to the following complex fraction?
A student earned 37 out of 50 points on the last test. What percent correct did the student earn?
Assume that the salaries of elementary school teachers in the united states are normally distributed with a mean of $26,000 and a standard deviation of $5000. what is the cutoff salary for teachers in the bottom 10%?
Which ordered pair is a solution of the inequality y>4x-5? A.(3,4) B.(2,1) C.(3,0) D.(1,1)
A regulation baseball field measures 90 feet between each base. What is the distance around the bases in yards?
The distance around the bases in yards is 30 yards.
In order to determine the distance between each base in yards the unit of conversion of feet to yards have to be first determined. 1 foot is equivalent to 0.333333 yards.
1 feet = 0.333333 yards
The second step is to multiply the distance between each base by the unit of conversion.
Distance between each base x unit of conversion
90 x 0.333333
= 30 yards
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A publisher claims that the average salary paid at its company is $37,500 but it could differ as much as $4,500. Write and solve an absolute value inequality to determine the range of salaries at this company.
|x − 37500| ≤ 4500; The salaries range from $33,000 to $42,000
|x − 37,500| ≤ 4500; The salaries are less than $33,000 or greater than $42,000.
|x − 37500| ≥ 4500; The salaries range from $33,000 to $42,000
|x − 37,500| ≥ 4500; The salaries are less than $33,000 or greater than $42,000.
Which expression will produce a positive product:
(-12)(12)(-6.3)(-0.2)(-15.9)
(12)(-6.3)(-0.2)(-15.9
(-12)(12)(-6.3)(-0.2)(-15.9)(0)
(12)(12)(6.3)(0.2)(-15.9)
Final answer:
To produce a positive product, the expression (12)(-6.3)(-0.2)(-15.9) should be used.
Explanation:
To determine which expression will produce a positive product, we need to consider the sign rules for multiplication.
If we have an even number of negative signs within a set of parentheses, the product will be positive. If we have an odd number of negative signs, the product will be negative.
Let's analyze the given expressions:
(-12)(12)(-6.3)(-0.2)(-15.9): This expression has five negative signs, which means it will produce a negative product.(12)(-6.3)(-0.2)(-15.9): This expression has four negative signs, which means it will produce a positive product.(-12)(12)(-6.3)(-0.2)(-15.9)(0): This expression includes a 0, and any product multiplied by 0 will be 0, which is neither positive nor negative.(12)(12)(6.3)(0.2)(-15.9): This expression has one negative sign, which means it will produce a negative product.Therefore, the expression (12)(-6.3)(-0.2)(-15.9) will produce a positive product.
The expression that will produce a positive product is (12)(-6.3)(-0.2)(-15.9) because it contains an even number of negative signs, which results in a positive product according to the rules of multiplication regarding signs.
Explanation:To find which expression will produce a positive product, we must recall the rules of multiplication regarding signs:
When two positive numbers multiply, the result is positive (e.g., 2x3 = 6).When two negative numbers multiply, the result is also positive (e.g., (-4) x (-3) = 12).When multiply numbers with opposite signs, the result is negative (e.g., (-3) x 2 = -6 and 4 x (-4) = -16).When any number is multiplied by zero, the result is always zero.We can now evaluate the expressions given:
(-12)(12)(-6.3)(-0.2)(-15.9): This expression has an odd number of negative signs, so the product is negative.(12)(-6.3)(-0.2)(-15.9): This has an even number of negative signs, making the product positive.(-12)(12)(-6.3)(-0.2)(-15.9)(0): The presence of a zero means the product is zero.(12)(12)(6.3)(0.2)(-15.9): This has one negative sign, so the product is negative.The correct expression that will produce a positive product is (12)(-6.3)(-0.2)(-15.9).
Foster is centering a photo that is 1/1 2 inches wide on a scrapbook page that is 10 inches wide. How far from each side of the page should he put the picture? Please enter it as a mixed number
I will give 39 points if you answer this question
Answer: 4.25
Step-by-step explanation:
Solve:C=10d + 5n for n
Part of a tiling design is shown. The center is a regular hexagon. A square is on each side of the hexagon, and an equilateral triangle joins the squares. Complete the pattern around the hexagon and calculate the total area of the pattern.
A.
403.1 in.^2
B.
503.1 in.^2
C.
1,119.6 in.^2
D.
1,379.4 in.^2
which of the following answer choices describes all the transformation found in the cubic function f(x)=-(x+2)3-5
Matt has a block. He uses one of the flat surfaces of the block to trace a triangle. What type of solid figure is Matt's block?
The types of 3D objects on which one face is triangular are triangular prism, triangular-based pyramid, and square-based pyramid so Matt's solid figure can be anyone among the three.
What is a triangle?A triangle is a 3-sided shape that is occasionally referred to as a triangle. There are three sides and three angles in every triangle.
The sum of all three angles inside a triangle will be 180° and the area of a triangle is given as (1/2) × base × height.
As per the given,
Matt used a 3D block to draw a triangle on the paper.
Now in order to draw a triangle there are three types of 3D objects that can be used,
01) Triangular prism,
02) Triangular-based pyramid
03) Square-based pyramid
Hence "The types of 3D objects on which one face is triangular are triangular prism, triangular-based pyramid, and square-based pyramid so Matt's solid figure can be anyone among the three".
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Find the exact coordinates of the centroid for the region bounded by the curves y=x, y=1/x, y=0, and x=2
The centroid of the region bounded by [tex]\(y=x\), \(y=\frac{1}{x}\), \(y=0\),[/tex] and [tex]\(x=2\)[/tex] is at [tex]\((\frac{2}{3}, 0)\).[/tex]
To find the centroid of the region bounded by the curves[tex]\(y=x\), \(y=\frac{1}{x}\), \(y=0\), and \(x=2\),[/tex]we need to first find the area of the region and then compute the coordinates of the centroid using the following formulas:
The centroid of a region with area[tex]\(A\)[/tex] is given by [tex]\((\bar{x}, \bar{y})\)[/tex]where
[tex]\[\bar{x} = \frac{1}{A} \int\int_R x \, dA\][/tex]
[tex]\[\bar{y} = \frac{1}{A} \int\int_R y \, dA\][/tex]
First, let's find the points of intersection for the curves:
1. [tex]\(y=x\) and \(y=1/x\):[/tex]
[tex]\[ x = \frac{1}{x} \implies x^2 = 1 \implies x = 1 \][/tex]
So, the intersection point is [tex]\((1,1)\).[/tex]
2. [tex]\(y=0\) and \(x=2\):[/tex]
This intersection occurs at [tex]\((2,0)\).[/tex]
Now, we'll integrate to find the area and then the centroid:
1. Area:
[tex]\[ A = \int_{0}^{1} (x - \frac{1}{x}) \, dx + \int_{1}^{2} (\frac{1}{x}) \, dx \][/tex]
[tex]\[ A = \left[\frac{x^2}{2} - \ln|x|\right]_{0}^{1} + \left[\ln|x|\right]_{1}^{2} \][/tex]
[tex]\[ A = \left(\frac{1}{2} - 0 - (0 - \infty)\right) + (\ln(2) - \ln(1)) \][/tex]
[tex]\[ A = \frac{1}{2} + \ln(2) \][/tex]
2. Centroid[tex](\(\bar{x}\)):[/tex]
[tex]\[ \bar{x} = \frac{1}{A} \left[\int_{0}^{1} x(x - \frac{1}{x}) \, dx + \int_{1}^{2} x(\frac{1}{x}) \, dx\right] \][/tex]
[tex]\[ \bar{x} = \frac{1}{A} \left[\left[\frac{x^3}{3} - \frac{1}{2}\ln|x|\right]_{0}^{1} + \left[\ln|x|\right]_{1}^{2}\right] \][/tex]
[tex]\[ \bar{x} = \frac{1}{A} \left(\frac{1}{3} - 0 - (0 - \infty) + (\ln(2) - \ln(1))\right) \][/tex]
[tex]\[ \bar{x} = \frac{\frac{1}{3} + \ln(2)}{\frac{1}{2} + \ln(2)} \][/tex]
[tex]\[ \bar{x} = \frac{2}{3} \][/tex]
3. Centroid [tex](\(\bar{y}\)):[/tex]
[tex]\[ \bar{y} = \frac{1}{A} \left[\int_{0}^{1} (x - \frac{1}{x}) \cdot 0 \, dx + \int_{1}^{2} (\frac{1}{x}) \cdot 0 \, dx\right] \][/tex]
[tex]\[ \bar{y} = 0 \][/tex]
Therefore, the centroid of the region is at the point [tex]\(\left(\frac{2}{3}, 0\right)\).[/tex]
Write a compound inequality to represent all of the numbers between -4 and 6.
Answer:-4 < x < 6
Step-by-step explanation:
Can Anyone Help Me
The number of e-mails sent each day in the United States is measured in the thousands.
A. True
B. False
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What is the slope of the line passing through the points (6, 7) and (1, 5) ?
All of the items in a bicycle shop are on sale for 30% off the regular price. Rene spends $74.90 to buy a bicycle and a helmet (without taxes). If the regular price of the bicycle is $85, which equation can be used to find the regular price of the helmet, h?
Answer:
0.7 (85 + h) = 74.90
Step-by-step explanation:
please help for the first two questions! i don't know how to do them.