Answer:
B
Step-by-step explanation:
(x, y) --> y = h(x)
(5, -4) --> -4 = h(5)
This must be true h(5) = -4 in the given function which is the correct answer would be an option (B).
What is a function?The function is defined as a mathematical expression that defines a relationship between one variable and another variable.
We have been given that the graph of the function y = h(x) contains the point (5,-4)
As per the given question, we have
y = h(x) ....(i)
This means the value of x = 5 and y = -4 in the function must be true.
So, (x, y) ⇒ y = h(x)
Substitute the values of x = 5 and y = -4 in equation (i), and we get
(5, -4) ⇒ -4 = h(5)
Therefore, this must be true h(5) = -4 in the given function.
Hence, the correct answer would be an option (B).
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Ima be giving brainliest plus help!!!!!!!
Answer:
32 degrees
Step-by-step explanation:
Recall the three main trig functions: sine, cosine, and tangent.
When using sine, we divide the opposite side from the angle by the hypothenuse.
When using cosine, we divide the adjacent side of the angle by the hypothenuse.
When using tangent, we divide the opposite side from the angle by the adjacent side to the angle.
Since we are given the opposite and adjacent sides, we'll use tangent.
We set up the equation like normal:
tan x \(= \frac{13}{21}\)
Now, when finding the angle measurement using trig, we must use the opposing trig function, arcsine, arccosine, and arctangent. The opposing trig function is arctangent. We have to move arctangent to the other side, so that it can be used with the fraction, so:
\(x = arctan(\frac{13}{21} )\)
(You would also write arctan, as tan with an exponent of -1) Now, just punch the right side of the equation into a calculator. The nearest degree is 32.
Therefore, the answer is 32 degrees. If you got something different, make sure your calculator is in degrees, not radians! (They are usually abbreviated as DEG and RAD.)
3. Choose the correct answer.
A measure of tendency is the value or values around which the values in a statistical data set tend to cluster, or group; the mean, median, and mode of a statistical data set.
-negative
-central
-random
-positive
Measures of central tendency are summary statistics that represent the center point or typical value of a dataset. Examples of these measures include the mean, median, and mode. These statistics indicate where most values in a distribution fall and are also referred to as the central location of a distribution.
The answer is central because measures of central tendency, such as mean, median, and mode, are the values that summarize the center of a distribution of data. They provide a single value around which the data tend to cluster, making them useful for describing the overall characteristics of a dataset. The mean is the arithmetic average of a set of values, while the median is the middle value when the data are ordered, and the mode is the most frequently occurring value in the dataset. All of these measures provide a central or typical value for the data.
~~~Harsha~~~
Libby earns $10 each hour for babysitting. Let m = the money she earns, and t = the time in hours she is babysitting. What equation represents this proportional relationship?
Answer:
$10t=m
Step-by-step explanation:
If for each hour is $10.
She would earn the number of hours times $10.
Example: She did babysitting for 4 hours this weekend. The equation is $10(4)=m or $10 x 4 = m. m=40
When the 12-lb block A is released from rest it lifts the two 15-lb weights B and C. Determine the maximum distance A will fall before its motion is momentarily stopped. Neglect the weight of the cord and the size of the pulleys.
The maximum distance before its motion will be 0.1552x.
Why Maximum distance will be 0.1552x?
Given data:
Weight of block A, W₁ = 12-lb
Weight of block B and C,
W₂ = W₃ = 15-lb
Let us assume that the maximum distance A will fall before its motion is momentarily stopped is h.
Let us apply the work-energy principle.
W₁gh = 2(W₂ + W₃) × x
where x is the distance moved by weights B and C.
Since the pulleys and the cord are weightless, therefore there is no loss in energy due to these factors. So, all the potential energy of block A is converted to the kinetic energy of the three bodies.
∴ W₁gh = 2(W₂ + W₃) × x 12 × 32.2 × h
= 2(15 + 15) × x386.4h = 60x
= h = 60x/386.4 ⇒ h = 0.1552x
Thus, the maximum distance A will fall before its motion is momentarily stopped is 0.1552x.
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-2.5(e + 17.4) = -50
To solve the equation -2.5(e + 17.4) = -50, we can use algebraic techniques to isolate the variable e on one side of the equation.
First, we can simplify the left-hand side of the equation by distributing the -2.5 to the expression inside the parentheses:
-2.5e - 2.5(17.4) = -50
Next, we can simplify the expression on the left-hand side by multiplying:
-2.5e - 43.5 = -50
To isolate the variable e, we can add 43.5 to both sides of the equation:
-2.5e = -6.5
Finally, we can solve for e by dividing both sides of the equation by -2.5:
e = 2.6
Therefore, the solution to the equation -2.5(e + 17.4) = -50 is e = 2.6.
what does it mean when a chance event has a probability of 4/4
Answer:
When the probability of something happening is 4/4, it means that the probability of that thing happening is 1
When the probability of an event happening is 1, it means that that the event is going to happen and there is no chance of the event not happening.
Can someone help me with this math homework please!
Answer:
1.11
Step-by-step explanation:
Slope of a line = (y2 - y1)/(x2-x1) = (100 - 0)/(90-0) = 100/90 = 10/9 = 1.11
Thank non so much Chene Inters! thank nen so much Chene Inters! Thank nen semneh Chena inters! That en so much Chean Inters! Thank nen so much Chean Inters! thank nen remneh Chene Inters! Thank you so much Cheos tuters! Thank you so much Cheas tuters! thank you so much Cheao tutor thank you so much Cheos tuters! Thank you so much Cheos tuters! Thank you so much Cheas tuter This is This is The The QuestioQuestion I need I need Help Help With: With: This is This is The The QuestioQuestion I need I need Help Help Write a Regular Expression For this With: With: This is This is The The Questionuestion I need I need Help Help With: With: This is This is language: The Question L = {w = {a,b}* | w has I need Help With: This is odd number of The Question I need a's and ends Help With: This is The Question I need Help With: This is The The Question Question need with b} Please show work neatly and I will thumb up your answer promptly if it makes sense! Do not copy and paste work from other questions or I will give you a thumbs down. I need Help With: Help With: This is This is The The Question Question I need I need Help With: Help
The regular expression is ^(a(aa)*b)$.
Find Regular expression for odd 'a's, ending with 'b'?To create a regular expression for the language L = {w = {a,b}* | w has an odd number of 'a's and ends with 'b'}, we can use the following expression:
^(b|(a(aa)*b))$
Breaking it down:
^ indicates the start of the string.
(b|(a(aa)*b)) matches either 'b' or a sequence of 'a's followed by an odd number of 'a's and 'b'.
(aa)* matches zero or more pairs of 'a's.
$ indicates the end of the string.
This regular expression ensures that the string starts with 'b' or a sequence of 'a's, followed by an odd number of 'a's, and ends with 'b'. Any additional characters or sequences in between are not allowed.
Please note that regular expressions can have different notations and conventions depending on the context or programming language you're using. The expression provided here follows a general pattern that should work in most cases.
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melissa and madeline love pepperoni pizza, but sometimes they are disappointed with the small number of pepperonis on their pizza. to investigate, they went to their favorite pizza restaurant at 10 random times during the week and ordered a large pepperoni pizza. here are the number of pepperonis on each pizza. the 95% confidence interval for the mean number of pepperonis on a large pizza at this restaurant is (31.919, 42.881). to reduce the margin of error, melissa and madeline could increase the sample size or increase the confidence level. what are the drawbacks to these changes? select all true statements.
Increasing the confidence level would also increase the margin of error
Define the term sample size?Increasing the sample size would reduce the margin of error and provide a more accurate estimate of the mean number of pepperonis on a large pizza. However, it would also be more time-consuming and expensive to collect data from a larger sample.
Increasing the confidence level would also increase the margin of error, but it would provide a wider range of values for the mean number of pepperonis. This would reduce the precision of the estimate, making it less informative.
Another potential drawback of increasing the confidence level is that it may lead to a larger sample size requirement, which could be more difficult to achieve. Additionally, a higher confidence level may not be necessary or practical in all situations, and it could lead to unnecessary costs and resources being spent on data collection.
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Light travels
9.45
⋅
1
0
15
9.45⋅10
15
9, point, 45, dot, 10, start superscript, 15, end superscript meters in a year. There are about
3.15
⋅
1
0
7
3.15⋅10
7
3, point, 15, dot, 10, start superscript, 7, end superscript seconds in a year.
How far does light travel per second?
Write your answer in scientific notation.
The distance travelled per second (i.e speed) of the light is 3×10⁸ m/s
How do I determine the distance traveled per second of the light?Distance travelled per second is known as speed. It can be expressed as:
Speed = distance / time
With the above formula, we can obtain the distance traveled per second of the light, Details below
From the question given, the following were obtained:
Distance = 9.45×10¹⁵ metersTime = 3.15×10⁷ secondsDistance per second =?Speed = distance / time
Distance per second = 9.45×10¹⁵ / 3.15×10⁷
Distance per second = 3×10⁸ m/s
From the calculation made above, we can conclude that the distance per second is 3×10⁸ m/s
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note: enter your answer and show all the steps that you use to solve this problem in the space provide. using the numbers and symbols, solve 7x
To solve the equation 7x, we need to clarify the specific goal or condition. If we are looking for the value of x that makes the equation equal to a specific number, such as 0, the solution would be x = 0. However, if we are solving for x in terms of another variable or in an equation with more components, further information is needed to provide a meaningful answer.
The equation 7x represents a linear equation in one variable, where 7 is the coefficient of x. If we are solving for x in an equation of this form, we need an additional equation or condition to determine a unique solution. Without any further information or constraints, the equation 7x does not have a specific solution.
To provide a more comprehensive explanation, let's consider an example. Suppose we have the equation 7x = 21. To solve for x, we divide both sides of the equation by 7:
7x/7 = 21/7
x = 3
In this case, the value of x that satisfies the equation 7x = 21 is x = 3. We can substitute this value back into the equation to verify its correctness:
7(3) = 21
21 = 21
The equation holds true, confirming that x = 3 is the solution. However, without a specific condition or another equation to work with, the equation 7x on its own does not have a unique solution.
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⚠️I mark brainlist⚠️What is the simplified value of the exponential expression 16^1/4 ?
O1/2
O1/4
O2
O4
Answer:
2
Step-by-step explanation:
Please help me I'm stuck. I will give 30 points for this one. Given triangle ABC tilde triangle PQR and your scale factor Complete the hotspots for these similar triangles and show work
The value for the hotspots of the similar triangles ∆ABC and ∆PWR are:
(1). angle B = 68°
(2). PQ = 5cm
(3). BC = 19.5cm
(4). area of ∆PQR = 30cm²
What are similar trianglesSimilar triangles are two triangles that have the same shape, but not necessarily the same size. This means that corresponding angles of the two triangles are equal, and corresponding sides are in proportion.
(1). angle B = 180 - (22 + 90) {sum of interior angles of a triangle}
angle B = 68°
Given that the triangle ∆ABC is similar to the triangle ∆PQR.
(2). PQ/7.5cm = 12cm/18cm
PQ = (12cm × 7.5cm)/18cm {cross multiplication}
PQ = 5cm
(3). 13cm/BC = 12cm/18cm
BC = (13cm × 18cm)/12cm {cross multiplication}
BC = 19.5cm
(4). area of ∆PQR = 1/2 × 12cm × 5cm
area of ∆PQR = 6cm × 5cm
area of ∆PQR = 30cm²
Therefore, the value for the hotspots of the similar triangles ∆ABC and ∆PWR are:
(1). angle B = 68°
(2). PQ = 5cm
(3). BC = 19.5cm
(4). area of ∆PQR = 30cm²
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For g(x)=x^2-2, find the rate of change on the interval [-2,4].
Answer:
the rate of change is 2
Step-by-step explanation:
first solve the equation for x=-2 and x=4
(-2^2)-2=4-2=2
(4^2)-2=16-2=14
so when x=-2 the coordinate is (-2,2) and when x=4 the coordinate is (4,14)
now use the average rate of change formula:
(14-2)/(4-(-2))=12/6=2, so the rate of change is 2
C.P 0f 16 oranges is equal to the Sip of 22
oranges. find profit
percent
or LOSS
Step-by-step explanation:
Given that :C.P of 16 oranges is equal to the SP of 22 oranges.To calculate :Profit or loss %.Calculations :LCM of 16 and 22 is 176.
Let the CP of 16 oranges be Rs. 176 and also let the SP of 22 oranges be Rs. 176.
So,
➝ CP of 16 oranges = Rs. 176
➝ CP of 1 orange = Rs. 176 ÷ 16
➝ CP of 1 orange = Rs. 11
And,
➝ SP of 22 oranges = Rs. 176
➝ SP of 1 orange = Rs. 176 ÷ 22
➝ SP of 1 orange = Rs. 8
______________
Here, CP is greater than SP. So, here is loss.
➝ Loss = CP ― SP
➝ Loss = Rs.(11 ― 8)
➝ Loss = Rs. 3
______________
Finding the loss%,
★ Loss % = {(Loss/CP) × 100} %
➝ Loss % = {3/11 × 100} %
➝ Loss % = 27.27 %
Therefore, loss% is 27.27%.
Identify the initial amount $a$a and the rate of growth $r$r (as a percent) of the exponential function $y=350\left(1+0.75\right)^t$y=350(1+0.75)t . Evaluate the function when t is equal to 5$t=5$t=5
Answer:
67-90>79+0=9078
Step-by-step explanation:
Answer:
a=175
r=2.8%
h(5)=200.9
Step-by-step explanation:
In the equation the initial amount will always be the one that comes before the parentheses and the rate is just the decimal as a percent.
Determine which set of statements is inductive reasoning.
O
Given: Everyone dressed casually on Friday
Conjecture: All Fridays are casual days
Given: 3a²
48
Conjecture: a = 6
-
Given: WXYZ is a rectangle.
Conjecture: WX = YZ and WZ = XY
Given: All donuts are unhealthy
Conjecture: This chocolate donut is unhealthy.
From the given set of statements, the conjecture which represent the inductive reasoning are given by :
a. Given : Everyone dressed casually on Friday
Conjecture : All Fridays are casual days.
c. Given : WXYZ is a rectangle.
Conjecture : WX = YZ and WZ = XY
d. All donuts are unhealthy.
Conjecture : This chocolate donut is unhealthy.
As given in the question,
Inductive reasoning is the conclusion which is based on the process of observed pattern.
Given set of statements represents the inductive reasoning or not:
a. Given : Everyone dressed casually on Friday
Conjecture : All Fridays are casual days.
From observing pattern based on Friday dressing we conclude all Fridays are casual days.
Represent inductive reasoning.
b. Given : 3a² = 48
Conjecture : a = 6
Here we cannot observe the process , we have to show the calculation.
Not representing inductive reasoning.
c. Given : WXYZ is a rectangle.
Conjecture : WX = YZ and WZ = XY
From observing pattern based on property of rectangle it is concluded that WX = YZ and WZ = XY.
Represent inductive reasoning.
d. All donuts are unhealthy.
Conjecture : This chocolate donut is unhealthy.
From observing pattern based on all donuts property it is concluded that chocolate donuts is also unhealthy.
Represent inductive reasoning.
Therefore, from the given set of statements, the conjecture which represent the inductive reasoning are given by :
a. Given : Everyone dressed casually on Friday
Conjecture : All Fridays are casual days.
c. Given : WXYZ is a rectangle.
Conjecture : WX = YZ and WZ = XY
d. All donuts are unhealthy.
Conjecture : This chocolate donut is unhealthy.
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determine the value of tanθ given that the terminal side of angle θ intersects the unit circle in the first quadrant at (910,y)
Answer : tanθ = sqrt(1 - (910)²) / 910
Given: that the terminal side of angle θ intersects the unit circle in the first quadrant at (910, y), we can find the value of tanθ using the coordinates.
Explanation:
Recall that on the unit circle, tanθ = y/x. In this case, x = 910 and y is the unknown value. However, since we are in the first quadrant, both x and y will be positive.
To find y, we can use the Pythagorean theorem for the unit circle: x² + y² = 1.
Substitute x = 910:
(910)² + y² = 1
y² = 1 - (910)²
Now, since y is positive in the first quadrant, we take the positive square root:
y = sqrt(1 - (910)²)
Finally, find tanθ = y/x:
tanθ = sqrt(1 - (910)²) / 910
Help me for brainliest...
The scale on a map is 1:320 000. What is the actual distance represented by 1 centimere? Give your answer in kilometres.
Answer:
1cm = 320 km?
Step-by-step explanation:
Answer:
\(3.2km\)
Step-by-step explanation:
\(1 \: : 320000 \\ 1cm = 320000cm\)
\(1cm = 100m \\ \)
\(1cm = 320000cm \\ 1cm = 3200m\)
\(1km \: \: = 1000m\)
\(1cm = 3200m \\ 1cm = 3.2km\)
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good luck! have a nice day!
write an explicit formula for a subscript n, the nth term of the sequence 8, 11, 14,...
please please help
The required explicit formula for the given sequence to determine the nth term is given as nth term = 8 + (n - 1)3.
What is arithmetic progression?Arithmetic progression is the series of numbers that have common differences between adjacent values.
here,
The Sequences 8, 11, 14,...
first term a = 8
common difference = 11 - 8 = 3
Now,
The explicit formula is given as,
nth terms = a + (n - 1)d
nth term = 8 + (n - 1)3
Thus, the required explicit formula for the given sequence to determine the nth term is given as nth term = 8 + (n - 1)3.
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Diseases tend to spread according to the exponential growth
model. In the early days of AIDS, the growth factor (i.e. common
ratio; growth multiplier) was around 1.7. In 1983, about 1000
people in the U.S. died of AIDS. If the trend had continued
unchecked, how many people would have died from AIDS in 2007?
(Round your answer to the ones place value.)
people
If the trend had continued unchecked, the number of people which would have died from AIDS in 2007 will be: 339,448,671 people.
What is the use of exponential growth?Exponential growth is the process by which quantity increases over time. It happens when the instantaneous rate of change of a quantity with respect to time is proportional to the quantity itself. A quantity undergoing exponential growth is an exponential function of time, which means that the variable representing time is the exponent (in contrast to other types of growth, such as quadratic growth).
The basic exponential growth function is: f(t) = a·bt
f (t) = number of cases at year t
a = starting value = 1000 in 1983
b = growth factor = 1.7
t = years since 1983 = 2007 - 1983 = 24
f(t) = 1000·(1.7)^24
f(t) = 339448671.315
f(t) = 339,448,671
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CAN SOMEONE HELP ME #faqgeometry
18. 19.20. 21.
Answer:
Yes
Step-by-step explanation:
So I assume the question is asking if the lines AC and DF are parallel and they are because if you graphed it out you would see the lines would never touch (Basically what a parellel line is).
Agree or Disagree
Rotating a regular decagon by 75° carries the decagon onto itself.
How can you use a benchmark fraction to tell if a percent is reasonable?
A benchmark fraction is a commonly used fraction that is easy to remember and can be used to estimate the value of other fractions or percentages. The most commonly used benchmark fractions are 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, and 1/10.
To use a benchmark fraction to tell if a percent is reasonable, you can first convert the percent to a fraction by dividing it by 100. Then, you can compare this fraction to the benchmark fractions to see which one it is closest to.
For example, if you wanted to estimate whether 75% is a reasonable amount, you could first convert it to a fraction by dividing 75 by 100, which gives you 0.75. Then, you could compare this fraction to the benchmark fractions to see which one it is closest to. 0.75 is closest to 3/4, which is one of the benchmark fractions. This suggests that 75% is a reasonable amount, since it is close to 3/4.
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.
please help what is 400÷56×14÷3
Answer: 33.3_
Step-by-step explanation:
400 divided by 56 equals 17.14_ and 17.4_ multiplied by 14 equals 100 and divided by 3 is equal to 33.3_
Answer: 0.0425
Step-by-step explanation:
PEMDAS
1. 56x14
2. 400/784
3. 0.1275/3
4. 0.0425
PLEASE SOLVE!! WILL GIVE BRAINLIEST!!
Two families attend a football game. The first family bought 2 pretzels & 3 hot dogs, which totaled $30. The second family bought 3 pretzels & 4 hot dogs which totaled $40. Write a system of equations to model this scenario, where x represents the number of pretzels and y represents the number of hot dogs. (YOU DO NOT HAVE TO SOLVE THE SYSTEM YOU CREATE)
Answer:
Family 1: 2x + 3y = 30
Family 2: 3x + 4y = 40
write an equation for the altitude from vertex A of the triangle where point a is (-1,0) point b is (8,-5) and point c is (2,-3)
The equation of the altitude from vertex A of the triangle is y = (3/2)x + 3/2.
To write an equation for the altitude from vertex A of the triangle where point A is (-1,0), point B is (8,-5), and point C is (2,-3), we need to use the slope-intercept form of an equation for the line that contains the side opposite vertex A. Here are the steps:
1. Find the slope of the line containing side BC using the slope formula: m = (yb - yc)/(xb - xc) = (-5 - (-3))/(8 - 2) = -2/3.
2. Find the equation of the line containing side BC using point-slope form: y - yb = m(x - xb). Using point B, we get: y + 5 = (-2/3)(x - 8). Simplifying, we get y = (-2/3)x + 19/3.
3. The altitude from vertex A of the triangle is perpendicular to side BC. Therefore, its slope is the negative reciprocal of the slope of side BC, which is 3/2.
4. We can find the equation of the altitude by using point-slope form again, this time using point A: y - ya = m(x - xa). Using point A and the slope 3/2, we get: y - 0 = (3/2)(x + 1). Simplifying, we get: y = (3/2)x + 3/2.
Summary: To find the equation of the altitude from vertex A of the given triangle, we first found the slope of the line containing the side opposite vertex A, which is BC. Then, we found the equation of this line using point-slope form. Next, we used the fact that the altitude is perpendicular to side BC and found its slope, which is the negative reciprocal of the slope of side BC. Finally, we used the point-slope form again to find the equation of the altitude using point A and its slope. The equation we obtained is y = (3/2)x + 3/2.
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A rectangle has a perimeter of 48 inches. If twice the length decreased by three is equal to three times the width, the find the length and the width
Answer:
Length= 15, width= 9Step-by-step explanation:
perimeter of a rectangle P= 2(L+W)
L= length
W= width
48=2(L+W)---------------(1)
twice the length= 2×L= 3L
decreased by three= 2L-3
three times the width= 3×W= 3W
twice the length decreased by three is equal to three times the width
2L-3= 3W-------------------(2)
solving equation one and two simultaneously
from equation (2)
3W= 2L-3
W=2L/3-3/3
W= 2L/3 - 1----------(3)
substitute equation (3) into equation (1)
48=2(L+2L/3-1)
48=2L+4L/3-2
48×3=6L+4L-6
144=10L-6
10L=144+6
10L=150
dividing bothsides by 10
L= 15
substitute L= 15 into equation (2)
2L-3=3W
2(15)-3=3W
30-3 = 3W
27= 3W
3W= 27
dividing bothsides sides 3
3W=27/3
W=9
therefore, Length= 15, width= 9find the ratios and reduce them in their lowest terms. 1m and 75 cm
Answer:
4:3
Step-by-step explanation:
1m = 100cm
75cm = 75cm
ratio of 1m:75cm
(100cm:75cm)÷25 = 4:3
so 1m:75cm = 4:3
(7m - 2) (9m — 5)
(6n-1)
Answer:
Step-by-step explanation:
(7m - 2) the two would instantly become a negative so the answer would be 7m + -2.
same goes for (9m - 5) the five will become a negative and the answer would be 9m + -5.
Same also goes for (6n - 1) the one would become a negative so the answer would be 6n + -1. Your welcome!!!!!!!!!