Answer:
30
Step-by-step explanation:
I could be wrong
The usual speed of Eric's mother is 4 miles per hour .
Eric´s mother drives to work in 20 min when driving at her usual speed.
Let the usual speed of Eric's mother be "u" miles per hour (mph)
When the traffic is bad she drives 10 miles per hour slower.
The speed of Eric's mother when the traffic is bad = u-10 mph
The time taken by Eric's mother when the traffic is bad = 30 min
\(\rm Displacement = \dfrac{Velocity }{Time }\)
The considering the displacement in both the cases is same hence we can
say that
\(\rm \dfrac{u}{20/60} = \dfrac{-(u-10)}{30/60} \\\rm 3u = -2u +20 \\5u = 20 \\u = 4\)
So the usual speed of Eric's mother is 4 miles per hour .
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Graph g(x) = −2x − 8 and identify its x-intercept.
(−8, 0)
(−4, 0)
(0, −4)
(0, −8)
Based on the graph of the function g(x) = −2x − 8, the x-intercept is equal to -4.
What is a graph?In Mathematics, a graph can be defined as a type of chart that is typically used to graphically represent data points or ordered pairs on both the horizontal and vertical lines of a cartesian coordinate, which are the x-coordinate and y-coordinate respectively.
What is the x-intercept?In Mathematics, the x-intercept can be defined as the point at which the graph of a function crosses the x-coordinate (x-axis) and the value of "y" is equal to zero (0).
By critically observing the graph of g(x) = −2x − 8, the x-intercept is -4. This ultimately implies that, the function g(x) = −2x − 8 would cross the x-coordinate (x-axis) at point (-4, 0.
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If 20% of a number is 72 and 50% of the same number is 180, find 30% of that number.
Answer:
.20x = 72, so x = 360
.30(360) = 108
Cómo se hace y cómo es el proceso ayuda porfaaaaa
Answer:
30: 100
31: -13
32: -45
33: 14
34: -32
35: -22
36: 17
An artist has prepared a canvas on a
rectangular frame that is 3 inches by
4 inches: What is the area, in square
inches, of the canvas?
The area of the canvas is 12 square inches and the minimum selling price is (a) $1.30
What is the area of the canvas?Here, we have
A rectangular frame that is 3 inches by 4 inches:
This means that
Base = 3 inchesHeight = 4 inchesSo, we have
Area = Base * Height
So, we have:
Area = 3 * 4
Evaluate
Area = 12
Hence, the area, in square inches, of the canvas is 12 sq inches
Calculating the minimum selling priceStart by calculating the Revenue using
Profit = Revenue - Cost
Where
Profit = 420
Cost = 400 * 0.25 = 100
So, we have
Revenue - 100 = 420
Revenue = 520
For the minimum selling price, we have
Minimum = Revenue/Number of brownies
So, we have
Minimum = 520/400
Evaluate
Minimum = 1.30
Hence, the minimum selling price is $1.30
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Someone help on this question ASAP
Answer:
\(Q(-2,3) \longrightarrow Q'(-1/3, 1/2) \\ \\ R(-3,1) \longrightarrow R'(-1/2, 1/6) \\ \\ T(2,-1) \longrightarrow T'(1/3, -1/6) \\ \\ W(2,4) \longrightarrow W'(1/3, 2/3)\)
Step-by-step explanation:
For a dilation at the origin, multiply each of the coordinates by the scale factor.
\(Q(-2,3) \longrightarrow Q'(-1/3, 1/2) \\ \\ R(-3,1) \longrightarrow R'(-1/2, 1/6) \\ \\ T(2,-1) \longrightarrow T'(1/3, -1/6) \\ \\ W(2,4) \longrightarrow W'(1/3, 2/3)\)
Julie bought a shirt for $35.00, a purse for $27.00 and a belt for $13.00. When the cashier rang up her total, she discovered everything was on sale for 30% off. What was Julie's total with the sale price?
Answer: 52.5
Step-by-step explanation:
35 dollars 30% off is $24.5, 27 dollars 30% off is $18.90, and 13 dollars 30% off is $9.10 so all together it equals 52.5.
greed. bad luck. failing to treat each throw of the dice as independent of previous throws. treating each throw of the dice as independent of previous throws. regression toward the mean.
The Gambler's Fallacy is due to treating each throw of the dice as independent of previous throws
The gambler's fallacy, also known as the Monte Carlo fallacy, is when someone mistakenly thinks that the outcome of a prior event or series of events will make a given random occurrence more or less likely to occur.
This kind of thinking is flawed since past occurrences do not alter the likelihood that specific events will occur in the future.
In circumstances where the probability of various events is not independent, the gambler's fallacy is not applicable.
The outcome of previous events, such as the statistical permutation of events, might alter the probability of future happenings in such circumstances.
In response to the query,
The Gambler's Fallacy results from treating each roll of the dice as if it were unrelated to prior rolls. Option(4) is correct
The question is incomplete , the complete question is
The Gambler's Fallacy is due to
(1) greed.
(2) bad luck.
(3) failing to treat each throw of the dice as independent of previous throws.
(4) treating each throw of the dice as independent of previous throws.
(5) regression toward the mean.
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The graph of f(x)=x2 was transformed to create the graph of g(x)=−f(x−1)+2 Which is the graph of g ?
Today, 6 friends went out for lunch. Their total bill was $24.76, including tax and gratuity. One of them ordered only soda and needed to pay only $1.56. The
other 5 friends ordered the same daily special. How much did each of the other friends need to pay?
Answer:
$4.64
Step-by-step explanation:
24.76-1.56= 23.20
23.20/5= 4.64
so the other 5 people had to pay $4.64
hope this helps :)
A dress is on sale for - dollars. The regular price is 3 times as much. Jannie has enough Mooney to buy 2 dresses at the regular price. How many dresses can jannie buy at sale price?
1 dress
3 dresses
6 dresses
9 dresses
Kiyana's grandmother has a collection of hats for special occasions. Each hat is in a cube-shaped box with edges 1 ft long. She stores the boxes in a rectangular closet with the dimensions shown. Length = 6 ft N Height = 9 ft Width= 5 ft 3 4 5 > 2 of 5 Completed What is the maximum number of boxes that Kiyana's grandmother can fit inside the closet? Choose one option from each drop-down menu to answe the question. Kiyana's grandmother can fit a maximum of [ ] boxes along the length,[. ] boxes along the wide and [ ]boxes along the height of the closet. This means she can fit a maximum of [ ]boxes inside the closet
The maximum number of cubical boxes of side 1 feet that can be placed in a rectangular closet of length 6 feet, height 9 feet and breadth 5 feet is 270 boxes. Maximum number of boxes that can be placed along the length, height and breadth will be 168 boxes, 198 boxes and 150 boxes respectively.
Since the cube shaped boxes of length 1 feet are to be placed in the rectangular closet, the maximum number of boxes that will fit completely would be given as a comparison of volume of rectangular closet being equal to product of number of boxes and volume of 1 cubical box.
Volume of rectangular closet = Number of boxes * Volume of 1 cubical box
6 * 9 * 5 = n * (1*1*1)
Therefore, n = 270 boxes.
To calculate maximum number of boxes that will fit along the length would be calculated as product of length and breadth along 2 faces of closet and length and height along another 2 faces of closet.
Thus, [(9*6) + (9*6) + (6*5) + (6*5)] = 168 boxes along the length.
Similarly, to calculate maximum number of boxes that will fit along the height would be calculated as product of height and breadth along 2 faces of closet and length and height along another 2 faces of closet.
Thus, [(9*6) + (9*6) + (9*5) + (9*5)] = 198 boxes along the height
Similarly, to calculate maximum number of boxes that will fit along the breadth would be calculated as product of height and breadth along 2 faces of closet and length and breadth along another 2 faces of closet.
Thus, [(5*6) + (5*6) + (9*5) + (9*5)] = 150 boxes along the breadth.
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recall from example 3 in section 1.3 that the set of diagonal matrices in m2x2(f) is a subspace. find a linearly independent set that generates this subspace.
A linearly independent set that generates the subspace of diagonal matrix in M2x2(F) is {[1,0;0,0], [0,0;0,1]}.
A subspace of M2x2(F) is a set of all diagonal matrices, which are matrices of the form [a,0;0,b] with a, b∈F.
A linearly independent set of vectors that generate this subspace is {[1,0;0,0], [0,0;0,1]}. Any diagonal matrix can be written as a linear combination of these two vectors.
A subspace of M2x2(F) is a set of all diagonal matrices, which are matrices of the form [a,0;0,b] with a,b∈F. This means that all the diagonal entries in the matrix must be non-zero. To find a linearly independent set that generates this subspace, we can start by considering the simplest form of a diagonal matrix, which is [1,0;0,0]. This vector is linearly independent, as it cannot be expressed as a linear combination of any other vector in the space. Similarly, [0,0;0,1] is also linearly independent, as it can't be expressed as a linear combination of any other vector.
These two vectors form a linearly independent set that generates the subspace of diagonal matrices in M2x2(F). Any diagonal matrix can be written as a linear combination of these two vectors. For example, the matrix [2,0;0,3] can be expressed as 2[1,0;0,0]+3[0,0;0,1]. Thus, this set of vectors is sufficient to generate the entire subspace.
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Find the area of the triangle below.
Be sure to include the correct unit in your answer.
24 yd
30 yd
18 yd
The area is 108yd2(square yards).
In the given triangle a base
24yd and the corresponding height of 6 yds are given, so to calculate the area we can use:
A=12×b×h
If we substitute the given numbers we get:
A=\(\frac{1}{2}\)×24×18
=12×9
=108
The units of base and height are the same (yards), so the calculated area is in yd2
The area is the quantity that expresses the extent of a region on the plane or on a curved surface. the world of a plane region or plane area refers to the area of a shape or planar lamina, while area refers to the area of an open surface or the boundary of a three-dimensional object. The area is often understood as the amount of material with a given thickness that would be necessary to fashion a model of the shape, or the quantity of paint necessary to cover the surface with a single coat. it's the two-dimensional analog of the length of a curve (a one-dimensional concept) or the volume of a solid (a three-dimensional concept).
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a bag of sugar hasa mass of 2kg write an expressions for the mass of n bags of sugar (in kg)
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match each exponential equation to its percent rate of change.
40% growth
80% decay
40% decay
20% growth
20% decay
60% growth
60% decay
80% growth
60(0.8)t = 1.4
arrowRight
1.2(1.4)t = 80
arrowRight
40(0.2)t = 1.6
arrowRight
20(0.6)t = 1.2
arrowRight
80(1.6)t = 20
arrowRight
9514 1404 393
Answer:
20% decay40% growth80% decay40% decay60% growthStep-by-step explanation:
The "growth factor" is the number that has an exponent. Subtracting 1 from that gives the growth rate. The growth rate can be expressed as a percentage by multiplying it by 100%. If it is negative, it represents a rate of decay.
For example, the growth factor of 0.8 is a growth rate of 0.8-1 = -0.2 = -20%, a decay of 20%.
__
Here, we'll list the growth factor and the rate of change:
growth factor ⇒ rate of change
0.8 ⇒ 20% decay
1.4 ⇒ 40% growth
0.2 ⇒ 80% decay
0.6 ⇒ 40% decay
1.6 ⇒ 60% growth
Listed below is a table showing the number of employees. 20 years or older by gender in the United states
The total number of workers that were studied can be found to be 139,340,000.
The percent of workers unemployed would be 5. 4 %.
Percentage of unemployed men is 5. 6 % and unemployed women is 5. 1%.
How to find the employment figures ?Number of employed workers :
= 74,624,000 + 64, 716, 000
= 139,340,000
Percentage unemployed :
= ( 4, 209,000 + 3,314,000 ) / 139,340,000
= 5. 4 %
Percentage of unemployed men :
= 4,209,000 / 74,624,000
= 5.6 %
Percentage of unemployed women:
= 3,314,000 / 64, 716, 000
= 5. 1 %
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The full question is:
a. How many workers were studied?
b. What percent of the workers were unemployed?
c. Compare the percent unemployed for the men and the women.
the product of x and 7 are
Answer:7x
Step-by-step explanation:because you can’t multiply them like 2*2 so you just put them together
Solve x
2/x -2 = 3/2x+3
Answer:
since we don't have to go back in and you can come over you
A kingfish needs to be cut into 8-ounce pieces. If the fish weights 12.5 pounds, how many pieces can be cut? 1 pound=16 ounces
Answer:
25 pieces
Step-by-step explanation:
12.5 * 16= 200 ounces
therefore 200/8=25
complete the steps to solve the equation
Answer:
attached below
Step-by-step explanation:
minus 2 from each side in order to isolate T with the coefficient. To get rid of the coefficient multiply to get 1 which is 5 in this case. Then the answer will be 75
there exist two complex numbers $c$, say $c 1$ and $c 2$, so that $3 2i$, $6 i$, and $c$ form the vertices of an equilateral triangle. find the product $c 1 c 2$ in rectangular form.
(200 - 100√2) / 16 is the rectangular form of the product c1*c2 for an equilateral triangle's vertices.
What is triangle?A triangle is a three-sided polygon that is sometimes (but not always) referred to as the trigon. Every triangle has three sides and three angles, which may or may not be the same.
Here,
An equilateral triangle is a triangle with three equal sides. If 3-2i, 6-i, and c form the vertices of an equilateral triangle, then the distance between 3-2i and 6-i is equal to the distance between 3-2i and c.
The distance between two complex numbers a + bi and c + di can be found using the formula:
√((c - a)² + (d - b)²)
So, the distance between 3-2i and 6-i is:
√((6 - 3)² + (-1 - (-2))²) = √((3)² + (1)²) = √(9 + 1) = √10
And the distance between 3-2i and c is:
√((c - 3)² + (c - (-2))²) = √((c - 3)² + (c + 2)²)
Since these distances must be equal, we have:
√((c - 3)² + (c + 2)²) = √10
Squaring both sides:
(c - 3)² + (c + 2)² = 10
Expanding both sides:
c² - 6c + 9 + c² + 4c + 4 = 10
Combining like terms:
2c² + 10c + 5 = 10
Subtracting 10 from both sides:
2c² + 10c - 5 = 0
This is a quadratic equation, which can be solved using the quadratic formula:
c = (-b ± √(b² - 4ac)) / 2a
Where a = 2, b = 10, and c = -5. Plugging these values into the formula:
c = (-10 ± √(10² - 4 * 2 * -5)) / 2 * 2
c = (-10 ± √(100 + 40)) / 4
c = (-10 ± √(140)) / 4
c = (-10 ± 10√2) / 4
So there are two complex solutions, c1 = (-10 + 10√2) / 4 and c2 = (-10 - 10√2) / 4.
The product of these two solutions is:
c1 * c2 = ((-10 + 10√2) / 4) * ((-10 - 10√2) / 4)
= (100 - 100√2 + 100) / 16
= (200 - 100√2) / 16
(200 - 100√2) / 16 is the answer in rectangular form for the product c1*c2 for the vertices of an equilateral triangle.
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What is an equation of a line that passes through the given point and is perpendicular to the given line. (-2, 5) and x = 3
The equation of the line passing from found as y = 5.
What is referred as the slope of line?The slope of the line is a measurement of its steepness and direction. A line's slope is classified as the change in y coordinate with regard to the shift in x coordinate. The net y coordinate change is Δy, whereas the net x coordinate change is Δx. So the transformation in y coordinate in relationship to the shift in x coordinate is written as m.The formula for finding the slope is;
m = Δy/Δx
Where, m is the slope
The given equation of line is;
x = 3 comparing it with standard form of equation;
y = mx + c
As, the equation is a straight line passing parallel to x axis, the slop of line x = 3 is ∞.
Thus, m₁ = ∞.
Now, let the slops of the line passing from (-2, 5) is m₂,
The, as both line are perpendicular.
Thus,
m₁ x m₂ = -1
m₂ = -1/∞
m₂ = 0
The equation of line is found by
y - y₁ = m₂(x - x₁)
Put the values;
y - 5 = 0(x + 2)
y = 5
Therefore,the equation of the line passing from found as y = 5.
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Identify the end behavior of the given functions.
Select the correct answer from each drop-down menu.
The function m (x) = 2 + 1 increases ▾ toward
4
The function n (x) = 10-2 + 5 decreases ▾ toward
The function p(x) = -e 2 decreases toward
▼
as x increases.
as x decreases.
as x decreases.
Answer:
Step-by-step explanation:
m(x) =2^x+1 increases / positive infinity
n(x) =10^x^-2+5 decreases / the line y=5
p(x) =-e^x-2 increases / the line y=-2
Ajar contains four blue marbles and two red marbles. Suppose you choose a marble at random, and do not replace it. Then you choose a second marble.
K Find the probability of the following event.
Both of the selected marbles are red.
The probability that both of the selected marbles are red is
(Round to three decimal places as needed.)
Answer:
1/15 or 0.0667
Step-by-step explanation:
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bardai
chatgpt
red marble on the first draw is 2/6, or 1/3
red marble on the second draw, given that the first marble was red, is 1/5
(1/3) * (1/5) = 1/15
It is 1.9 miles from a house to a restaurant and 1.2miles to a pier, as shown at the right. The anglebetween the two lines of sight is 87°. How far is it fromthe pier across the water to the restaurant.
Since two side sides of the triangle and an angle is known, we apply the Cosine rule
Formula for Cosine rule is given below,
Where a is distance between the house and pier,
b is the distance between the house and restaurant,
c is the distance between the pier and the restaurant,
C is the angle opposite c
\(c^2=a^2+b^2-2ab\cos C\)\(\begin{gathered} \text{Where,} \\ a=1.2\text{ miles} \\ b=1.9\text{ miles and } \\ c=unknown^{} \\ C=87^0 \end{gathered}\)Substituting the variables into the given formula above,
\(\begin{gathered} c^2=a^2+b^2-2ab\cos C \\ c^2=(1.2)^2+(1.9)^2-2(1.2)(1.9)\cos 87^0 \\ c^2=1.44+3.61-4.56(0.05234) \\ c^2=5.05-0.2387 \\ c^2=4.8113 \\ \sqrt[]{c^2}=\sqrt[]{4.8113} \\ c=2.1935\text{ miles} \\ c\approx2.19\text{ miles} \end{gathered}\)Hence, the distance from the pier to the restaurant is 2.19 miles.
Find the Median from the number set 6, 11, 7, 4, 12, 15, 1
Answer:
The answer is 7
Step-by-step explanation:
Need the answer ASAP!! 20 points
Answer:
I think C. is it
Step-by-step explanation:
the lengtjs of the three sides of a traigle nor necessarlity a right trianglw are 2.92 m, 7.67 m, 8.82 m what is the cosine od the angle opposite the sidw of 8.82 m
The cosine of the angle opposite the side of length 5.64 meters is 0.4536.
In a triangle, the cosine of the angle opposite a side is given by the formula:
cos(angle) = (a^2 + b^2 - c^2)/(2ab) where a, b, and c are the lengths of the sides of the triangle and angle is the angle opposite the side of length c. Given the side lengths of the triangle as 3.18 meters, 7.82 meters and 5.64 meters, the side opposite angle we want to find is 5.64 meters.
so we can use the above formula and substitute the values,
cos(angle) = (3.18^2 + 7.82^2 - 5.64^2)/(23.187.82) = 0.4536
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Price of Flowers8Find the unit rate ofthe price per pen.765$3Price ($)ܙ ܗ ܠ ܢܝ ܟ ܢA5 flowers$[?]1 flower32Give your answer asa decimal.1 2 3 4 5 6 7 8 9Number of Flowers
We were given a graph that represent the price in function of the number of flowers, we were also given a point on the graph, and from that, the question asks us to calculate the unit rate.
The unit rate is a constant that describes the relationship between two variables, and how they vary. For our case, the unit rate will describe the price per flower. To solve this problem, we need to divide 3 by 5.
The unit rate is equal to 0.6 $/flower.
HELP PLS !% POINTS!!
Answer:
149 sq. ft
Step-by-step explanation:
For the triangle:
Base = 16-9 = 7 ft
Area of Triangle = 1/2 of b.h
= 1/2 of 7 * 6
= 21 sq. ft
Area of Rectangle = l.b
= 5 * 16
= 128 sq. ft
Total Area = 149 sq. ft