The bus 2 will pass bus 1 at 12.30 pm, when both are at 360 miles.
The bus 1 starts half hour earlier than bus 2. But since bus 2 is faster, it will overtake at some point. At 8 am, bus 1 will start. By the time 8.30, it will cover a distance of 40 miles.
Bus 2 starts at 8.30, So it will be at 0 miles.
By 10, the bus 1 will be at 160 miles, bus 2 at 135 miles
By 10.30, the bus 1 will be at 200 miles, bus 2 at 180 miles.
By 11.30, bus 1 will be at 280 miles, bus 2 will be at 270 miles
By 12.30, bus 1 will be at 360 miles, bus 2 will be at 360 miles.
So at the 360 the, the both the buses passes each other.
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Point A has coordinates A(2,1). What is the image after a dilation centered at the origin with a scale factor of 2?
Answer:
wouldn't this be 4,2?
Step-by-step explanation:
i remember doing this in school last year and dilation means you would multiple the coordinates by what ever the dilation factor was, in this case its 2.
Mrs. mccall is renting a truck for one day. the two choices she had are company a and company b. what is the minimum number of miles that mrs.mccall would need to drive in order to make renting from campany b a better deal?
On solving the provide question, we can say that by unitary method McCall would need to drive 126 miles in order to make renting from Company B a better deal
What is unitary method ?The unit technique is an approach to problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value. The unit method, to put it simply, is used to extract a single unit value from a supplied multiple. For instance, 40 pens would cost 400 rupees, or the price of one pen. The process for doing this may be standardized. a single country. anything that has an identity element. (mathematics, algebra) (Linear algebra, mathematical analysis, mathematics of matrices or operators) Its adjoint and reciprocal are equivalent.
so, we have -
Company A charges = $35 per day
plus = $0.45 per mile.
Company B charges = $60 per day
plus = $0.25 per mile.
McCall would need to drive 126 miles in order to make renting from Company B a better deal
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What length of rope would enable the goat to eat 10 square yards of grass? Show all your reasoning.
Legth of rope=7 m
Length of shed=8m
Breadth of shed=14m
Note-Goat is tied to corner of shed
The length of the rope must be, at least, 5.9 meters.
How to find the length of the rope?The rope will allow the sheep to move in an almost perfect circle (except for the part where the shed is) so we will have 3/4 of a circle.
So here we just need to find the length L of the rope such that:
10 yd² = (3/4)*pi*L^2
Where (3/4)*pi*L² is the area of 3/4 of a circle of radius L.
and pi = 3.14
Solving for L we will get:
L = √( 10 yd²*(4/3*3.14)) = 6.4 yd
Writting this in meters, we will get:
1 yd = 0.9144 m
then:
L = 6.4* 0.9144 m = 5.9m
The rope must be at least 5.9 meters long.
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cual es la formula del area
Answer:
Area for triangle : Area = 1⁄2× base × height
Area for square : Area = base × height
Step-by-step explanation:
divide 1hr on the ratio 5 7
Answer:
25:35
Step-by-step explanation:
5 + 7 = 12
60 ÷ 12 = 5
5 × 5 = 25
5 ×7 = 35
ratio = 25:35
PLS GIVE ME THE EQUATION FOR THIS QUESTION. I WILL MARK BRAINLIEST.
Answer:
x + y ≥ 6 (Melissa exercises for at least 6 hours per week)
x ≤ 11 (Melissa spends at most 11 hours doing cardiovascular work)
y ≤ 4 (Melissa spends at most 4 hours on weight training)
To graph this region, you can plot the constraints on the x-y coordinate plane and shade the area that satisfies all of them.
The first constraint x+y>=6 can be represented by the line y = -x +6
The second constraint x<=11 can be represented by the line y = 11
The third constraint y<=4 can be represented by the line y = 4
The shaded area will be the region that is above and to the right of the line y = -x + 6, below the line y = 11 and below the line y = 4.
Kind of hard to shade a graph without having it in front of me. Hope this helps!
Answer:
livirav737 has provided the correct answer first.
I am merely providing the graph
Step-by-step explanation:
Plotted using online graphing tool Geogebra
The heavily shaded region with ABCD as its corners represents the region corresponding to all 5 inequalities
Note
Though not explicitly stated
You must also have the two additional constraints
x ≥ 0, y ≥ 0
These are called non-negativity constraints to ensure that x and y are not negative. The number of hours exercised on each platform cannot be less than 0
In this particular case, these are not necessary but standard practice is to include them whenever you have a system of inequalities with non-negative variables
What is 9/25 squared?
Answer:
0.1296
Step-by-step explanation:
9/25 = 0.36
0.36 squared = 0.1296
At the airport, each piece of luggage to be checked in must weigh less than 45 pounds.
The weight of a piece of luggage that can be checked in, given the use of w to represent the weight, is W < 45.
How to represent the statement ?The statement given is that, " each piece of luggage to be checked in must weigh less than 45 pounds. "
What this means is that the mass of each luggage should not be up to 45 pounds. The weight of the luggage should not be more than 45 pounds and it should not be equal to 45 pounds.
If the weight of luggage was said to be equal or less, then the symbol of equal or less than, which is ≤ would have been used.
However, the weight should be less than 45 pounds and with the weight being w, the expression would be:
W < 45
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The rest of the question is:
Use W to represent the weight (in pounds) of a piece of luggage that can be checked in
In the addition of the 3 digit numbers shown, the letters A, B, C, D each represent a unique single digit. Which of the following could be the sum of A+B+C+D?ABC+DBC=850a. 10. b. 13. c.14. d.16. e.19
In addition to the 3-digit numbers shown, the letters A, B, C, and D each represent a unique single digit. out of the following e.19 could be the sum of A+B+C+D.
To find the sum of A, B, C, and D, we first need to add the 3-digit numbers ABC and DBC. To do this, we can use the standard column addition method. Starting from the right column, we add the single digits A and D together to get the one digit of the sum. Moving to the left column, we add the two-digit numbers BC and BC, which adds up to 180.
Then, we add the single digits B and C together to get the tens digit of the sum. Finally, we add the two-digit numbers AC and DC together to get the hundreds of digits of the sum. When we put all the digits together, we get the sum of A, B, C, and D to be 850. Since 850 is not one of the given answers, we look for the nearest option. The nearest option is 19, which is the answer to this question.
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what is the equation of the line that passes through displaystyle 1 10 1 10 and is perpendicular to the equator displaystyle y frac 1 3x 5y 3 1 x 5
The equation of the line is y = -3x + 5.
To find the equation of a line that passes through two points and is perpendicular to the equator, we need to calculate the slope of the line that passes through the two points first.
The slope of the line passing through (1,10) and (1,10) is 0. This means that the line is perpendicular to the equator, whose slope is undefined.
Next, we need to calculate the y-intercept. If we assume that the line passes through the point (1,10), then the y-intercept is 10.
Finally, we can use the slope and the y-intercept to write the equation of the line in the form y = mx + b, where m is the slope and b is the y-intercept. In this case, the slope is 0 and the y-intercept is 10, so the equation of the line is y = 0x + 10, which simplifies to y = 10.
Since the slope of the line is 0, we can also write the equation of the line in the form y = -3x + b, where b is the y-intercept. In this case, the y-intercept is 10, so the equation of the line is y = -3x + 10, which simplifies to y = -3x + 5.
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Do absolute value functions pass the vertical line test?
No, absolute value functions do not pass the vertical line test.
The vertical line test is a way to determine if a graph represents a function. A graph represents a function if and only if no vertical line intersects the graph more than once.
An absolute value function is defined as:
y = |x|
The graph of this function is a V-shape, with the vertex at the origin. The graph of the function is defined for all x-values, but the graph is not a function because a vertical line can intersect the graph at two points, one for x and the other for -x, for example if the vertical line x=2, it will intersects the graph at (2,2) and (2,-2), thus it does not pass the vertical line test.
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H(x) = 1/8 x^3 -x2 what is the average rate of change of h over the Interval-2 < x< 2
The average rate of change of a function over an interval is the total change in the function's output (or y-value) divided by the total change in the function's input (or x-value) over that interval.
Given the function h(x) = 1/8 x^3 - x^2, the average rate of change over the interval -2 < x < 2 is:
(h(2) - h(-2)) / (2 - (-2))
First, we have to find h(2) and h(-2) by substituting these values in the function:
h(2) = 1/8 (2)^3 - (2)^2 = 1/8 * 8 - 4 = 0.5
h(-2) = 1/8 (-2)^3 - (-2)^2 = 1/8 * -8 - 4 = -4.5
So, the average rate of change is:
(0.5 - (-4.5)) / (2 - (-2)) = 5 / 4 = 1.25
Therefore, the average rate of change of h over the interval -2 < x < 2 is 1.25
we roll a pair of standard dice until the sum of the two numbers on which they land is 5 or 7 or 9. what is the probability that we observe a sum of 5 or 9 before a sum of 7 ?
The probability that we observe a sum of 5 or 9 before a sum of 7 is 7/18
The term probability is referred as the number of ways of achieving success. the total number of possible outcomes
Here we have given that we roll a pair of standard dice until the sum of the two numbers on which they land is 5 or 7 or 9.
As we all know that the sample space for the rolling of two dice that is the pair of dice is written as n(s) = 36
Then the probability of getting the sum of 5 is written as,
=> 4/36
Similarly, the probability of getting sum of 7 is written as,
=> 6/36
And the probability of getting sum of 9 is written as,
=> 4/36
Then the total probability is calculated as,
=> 14/36
When we simplify this one then we get,
=> 7/18
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What is the solution of the system?
4g + h = -4
12g + 2h = -4
Enter the coordinate pair in the blanks in alphabetical order (g, h) (_, _)
The coordinate pair of the given solution of the system would be= (g, h) (1,-8).
What is the substitution equation?Substitution equation is defined as the equation that can be solved when a value is being solved and substituted for the other missing value to be gotten.
4g + h = -4 ---->. eq 1
12g + 2h = -4 ----> eq 2
Make h the subject of formula;
h = -4 - 4g -----> eq 3
Substitute equation 3 into equation 2;
12g + 2( -4 - 4g) = -4
12g - 8 -8g = -4
4g -8 = -4
4g = -4 +8
4g = 4
g = 4/4= 1
Solve for g = 1 in equation 1;
4(1) + h = -4
4 + h = -4
h = -4-4
h = -8
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Find the sum of the geometric sequence if the first term is -8, the common ratio is -3 and there are 10 terms
Answer:
Step-by-step explanation:
The sum of a geometric sequence can be found using the formula
Sn = a₁ (1 - rⁿ⁻¹)/ (1 - r)
where a₁ is the first term, r is the common ratio, and n is the number of terms.
In this case, a₁ = -8, r = -3, and n = 10.
Plugging these values into the formula, we get
Sn = -8 (1 - (-3)⁹⁻¹) / (1 - (-3))
Sn = -8 (1 + 3⁹) / 4
Sn = -8 (1 + 19683) / 4
Sn = -8 × 19684 / 4
Sn = -4920
What is the value of x?
The value of x is 15 units.
What are Corresponding Angles ?
When two parallel lines are intersected by another line, comparable angles are the angles that are created in matching corners or corresponding corners with the transversal (i.e. the transversal).
For instance, angle p and angle w are the comparable angles in the image below.
Step-by-step explanation:
In the given triangle RSQ and ΔRST it is given that
∠RTS ≅ ∠SRQ ≅ 90°
∠RSQ is common in two triangles Δ RSQ and Δ RST.
Therefore two angles are equal so both the triangles are common.
From this property we opposite sides of the corresponding angles will be in the same ratio.
SR/SQ = ST/SR
x/(9 + 16) = 9/x
By cross multiplication on each side of the equation
x² = 25×9 = 225
x = √225 = 15
Therefore measurement of x is 15 units.
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classwork
If tan x = 1, evaluate Sin x+ cos x, leaving your answer in surd form
Answer:
sin x + cos x = [tex]\sqrt{2}[/tex]
Step-by-step explanation:
given
tan x = 1 , then
x = [tex]tan^{-1}[/tex] (1) = 45°
the exact values of both sin45° and cos45° = [tex]\frac{1}{\sqrt{2} }[/tex] , then
sin x + cos x
= sin45° + cos45°
= [tex]\frac{1}{\sqrt{2} }[/tex] + [tex]\frac{1}{\sqrt{2} }[/tex]
= [tex]\frac{2}{\sqrt{2} }[/tex]
rationalise the denominator by multiplying numerator/ denominator by [tex]\sqrt{2}[/tex]
= [tex]\frac{2(\sqrt{2}) }{\sqrt{2}(\sqrt{2}) }[/tex]
= [tex]\frac{2\sqrt{2} }{2}[/tex]
= [tex]\sqrt{2}[/tex]
if a gallon of paint costs $36.50 and it covers 350 square feet on average, what is the cost of painting the room walls with two coats of paint?
The cost of painting the room walls with two coats of paint would be $84.38
To determine the cost of painting the room walls with two coats of paint, you would need to know the total square footage of the walls you are planning to paint. Once you have that information, you can calculate the total cost by multiplying the number of gallons of paint required by the cost per gallon. For example, if the room has 800 square feet of walls, you would need 2.28 gallons of paint (800/350 = 2.28) and the total cost would be $84.38 (2.28 x $36.50). If you want to know the cost of one coat, you will need to divide that number by 2.
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algebra equation…. help help help help help help
The solution to the system of equations is (0, -5) or (4, 3).
What is the system of equations?
A system of equations is a set of two or more equations with the same variables. A solution to a system of equations is a set of values for the variable that satisfy all the equations simultaneously.
To solve the system of equations, we'll substitute the second equation into the first:
x^2 + (2x - 5)^2 = 25
Expanding the square in the second equation:
x^2 + 4x^2 - 20x + 25 = 25
5x^2 - 20x = 0
5x(x - 4) = 0
So x = 0 or x = 4.
For x = 0:
y = 2x - 5 = -5
For x = 4:
y = 2x - 5 = 3
Hence, the solution to the system of equations is (0, -5) or (4, 3).
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Ellen has a pencil 2x+15cm long. Tom has a pencil 5x+25cm long. How much longer is Tom's pencil than Ellen's?
Tom's pencil is longer than Ellen's pencil with (3x+10)cm
What is subtraction?Subtraction is one of the four arithmetic operation along with addition, multiplication and division. Subtraction is an operation that represents removal of objects from a collection. For example, in the adjacent picture, there are 5 minus 2 peaches, this means that 5 peaches with 2 taken away, resulting in a total of 3 peaches.
Ellen's pencils length = 2x+15
Tom's pencil length = 5x+25
Tom's pencil will be longer than Ellen's with;
(5x + 25 ) - (2x+15)
= 5x + 25 -2x - 15
collect like terms
5x -2x +25-15
3x +10
therefore Tom's pencil is longer than Ellen's pencil with ( 3x+10) cm
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A regular octagon is formed by cutting an isosceles right triangle from each of the corners of a square with sides of length 2000. What is the length of each side of the octagon
A regular octagon is formed by cutting an isosceles right triangle from each of the corners of a square. To find the length of the side of the octagon, we can use the Pythagorean theorem to calculate the length of the hypotenuse of the isosceles right triangle.
In an isosceles right triangle, the two legs have the same length and the hypotenuse is the side opposite the right angle. Since the square has sides of length 2000, half of the side of the square is the leg of the isosceles right triangle.
So the leg of the isosceles right triangle is 2000/2 = 1000.
Applying the Pythagorean theorem to find the hypotenuse of the isosceles right triangle:
c^2 = a^2 + b^2
c = sqrt(a^2 + b^2)
c = sqrt(1000^2 + 1000^2)
c = sqrt(1000000)
c = 1000*sqrt(2)
So the length of each side of the octagon is 1000sqrt(2)
Taylor earned $338.00 at her job when she worked for 20 hours. What was her hourly wage, in dollars per hour?
What is the answer.
Answer:
$338/20 = $16.90
Answer:
[tex]\$16.90 \textrm{ per hour}[/tex]
Step-by-step explanation:
To solve this, we simply have to divide the total amount of money that Taylor earned by the number of hours that she worked for.
[tex]\dfrac{\$338.00}{20 \textrm{ hr}} = \$16.90 \textrm{ per hr}[/tex]
please HELPPPPPPPPPPPPPPPPPPPPPPP
Answer:
[tex]\mathrm{A.\;\;\boxed{V = \dfrac{m}{D}}}\\\\\\\\\mathrm{B.\;\;\boxed{8.8496\;cm^3}}[/tex]
Step-by-step explanation:
Object density formula is
[tex]D = \dfrac{m}V}\\[/tex]
with the variables defined as in the question
A.
B.
For osmium, we have D = 22.6 gm/cm³We are given the mass as 200 gm, so m = 200Plug these values into the equation to get the volume of 200gms of osmium"What set of reflections would carry hexagon ABCDEF onto itself?. . Hexagon ABCDEF on the coordinate plane with pointA at negative 1, 1, pointB at negative 3, 1, pointC at negative 4, 2, pointD at negative 3, 3, pointE at negative 1, 3, and pointF at 0, 2. . .x-axis, y=x, x-axis, y=x .. y=x, x-axis, y=x, y-axis .. y-axis, x-axis, y-axis .. x-axis, y-axis, y-axis ."
A set of reflections that would carry hexagon ABCDEF onto itself would be "x-axis, y=x, x-axis" or "y=x, x-axis, y-axis".
What is a combination of reflections?
Combination of Two Reflections. A point or object once reflected can further be reflected to form a new image. The axes of these reflections may be parallel to each other or they intersect each other at a point.
Given the coordinates of hexagon ABCDEF, it can be determined that a set of reflections that would carry the hexagon onto itself would be a combination of reflections over the x-axis and y-axis.
One possibility would be to reflect over the x-axis, then reflect over the y=x line, and finally reflect over the x-axis again.
This would take the hexagon from its original position to itself.
Another possibility would be to reflect over the y = x line, then reflect over the x-axis, and finally reflect over the y-axis.
This would also take the hexagon from its original position to itself.
Hence, a set of reflections that would carry hexagon ABCDEF onto itself would be "x-axis, y=x, x-axis" or "y=x, x-axis, y-axis".
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Suppose that A and B are two independent events for which P(A) = 0.31 and P(B) = 0.76. What is the probability of (A|B), (B|A), (A and B), and (A or B)?
The probability of (A and B) is 0.2356, the conditional probability of (A|B) is 0.31, the conditional probability of (B|A) is 0.76, and the probability of (A or B) is 0.8144.
Probability is a measure of the likelihood of a particular event occurring. It is expressed as a number between 0 and 1, where 0 indicates that an event is impossible and 1 indicates that an event is certain to occur.
When events A and B are independent, the probability of them occurring together is the product of their individual probabilities.
P(A and B) = P(A) * P(B) = 0.31 * 0.76 = 0.2356
P(A|B) = P(A and B) / P(B) = 0.2356 / 0.76 = 0.31 (It is same as P(A) because events A and B are independent)
P(B|A) = P(A and B) / P(A) = 0.2356 / 0.31 = 0.76 (It is same as P(B) because events A and B are independent)
P(A or B) = P(A) + P(B) - P(A and B) = 0.31 + 0.76 - 0.2356 = 0.8144
Therefore, the probability of (A and B) is 0.2356, the conditional probability of (A|B) is 0.31, the conditional probability of (B|A) is 0.76, and the probability of (A or B) is 0.8144.
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in fact, you don't get an amount starting with an 8 or 9 until the 40th invoice. do you suspect that the invoice amounts are not genuine? compute an appropriate probability to support your answer.
a) It is expected that to examine about 10.3039 invoices until you achieve your first success, which is an invoice starting with an 8 or 9.
b)It has been discovered that the likelihood of achieving the first success on the 40th invoice or after it is small (less than (0.05) ), This demonstrates that the occurrence is unlikely to occur, and hence there is sufficient convincing evidence that the invoice amounts are not genuine.
Now, According to the question:
Part (a) Step 1: Given Information
Given, p = 0.097
Formula used:
The expected value
μ = 1/p
Part (a) Step 2: Simplification
The number of independent trials required until first success is distributed geometrically.
A geometric distribution's expected value is
μ = 1/p = 1/0.097 = 10.3039
Hence, it is expected that to examine about 10.3039 invoices until you achieve your first success, which is an invoice starting with an 8 or 9.
Part (b) Step 1: Given Information
Given, p = 0.097
Formulae to be used
Geometric probability:
P(X = k) = [tex]q^k^-^1p = (1-p)^k^-^1p[/tex]
Addition rule:
P(A ∪ B) = P(A) + P(B)
Complement rule:
P(A°) = P(not A) = 1 - P(A)
Part (b) Step 2: Simplification
Consider, p = 0.097
Compute the binomial probability definition at k = 1, 2,and3....40 :
P(X = 1) = [tex](1 - 0.097)^1^-^1(0.097)[/tex] = 0.097
Using the complement rule:
P(X ≥ 40) = 1 - P(X ≤ 39) = 1 - 0.9813 = 0.0187 = 1.87%
It has been discovered that the likelihood of achieving the first success on the 40th invoice or after it is small (less than (0.05) ), This demonstrates that the occurrence is unlikely to occur, and hence there is sufficient convincing evidence that the invoice amounts are not genuine.
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The given question is incomplete, The complete question is:
Using Benford's law According to Benford's law (Exercise 15, page 377), the probability that the first digit of the amount of a randomly chosen invoice is an 8 or a 9 is 0.097. Suppose you examine randomly selected invoices from a vendor until you find one whose amount begins with an 8 or a 9 .
a. How many invoices do you expect to examine before finding one that begins with an 8 or 9 ?
b. In fact, the first invoice you find with an amount that starts with an 8 or 9 is the 40 th invoice. Does this result provide convincing evidence that the invoice amounts are not genuine? Calculate an appropriate probability to support your answer.
Cite an example from the leon to how that a mak could be ued for omething more complex than a "ceremonial" purpoe
He encourages them to remain brave and steadfast, and emphasizes the importance of unity and solidarity in order to achieve victory.
In the Leon, King Leonidas uses the to rally his troops and to inspire them to fight for freedom. He uses it to explain the importance of fighting for freedom and the consequences of failing to do so. He emphasizes the importance of remaining brave and steadfast, and speaks of the need for unity and solidarity in order to achieve victory. He also uses the Maka to explain the importance of having faith in the gods and themselves, and trust that the gods will grant them victory. King Leonidas’ use of the Maka is much more complex than a ceremonial purpose, as he is using it to motivate and teach his troops. He speaks of the need to stay united and to fight for freedom, which is something that is larger than any one individual. He stresses the importance of having faith in the gods, as well as in each other, and that by doing so, victory can be achieved.
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if ACB= (11x-32) find the value of x
Answer:the final answer is 7
Step-by-step explanation:
Can anyone help me with this question?
Answer:
answer is b second which is -6
In parallelogram PQRS, the measure of angle P is five times the measure of angle Q. What is the measure of angle R , in degrees?
The measure of angle R, in degrees, is 150°.
A parallelogram is a quadrilateral or four-sided shape, that has opposite sides that are parallel to each other. The opposite sides of a parallelogram are equal in length, and the opposite angles are also equal in measure.
In a parallelogram, opposite angles are equal, so if the measure of angle P is five times the measure of angle Q, then the measure of angle R must also be five times the measure of angle Q.
Let's call the measure of angle Q "x". Then the measure of angle P is 5x, and the measure of angle R is 5x.
Therefore, the measure of angle R in degrees is 5x degrees.
We know,
All of the angles added together = 360°
∠5Q +∠Q+∠5Q+∠Q = 360 Solve for Q
∠12Q = 360
⇒ ∠Q = 30°
then ∠P = ∠5Q = 5(30) = 150°
and,
∠P = ∠R
⇒ ∠R = 150°
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