The resulting reflected image would be congruent to image 1, i.e. have congruent corresponding sides.
What is transformation?Transformation is the movement of a point from its initial location to a new location. Types of transformation are translation, reflection, rotation and translation.
Reflection is a rigid transformation, hence it does not affect the size and shape of the object or pre-image.
The resulting reflected image would be congruent to image 1, i.e. have congruent corresponding sides.
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Triangle 304 degrees and 115 degrees work out x
a straight line make an angle of 180° ,
so 115+y=180
y=65°
for the top part of the triangle it makes an angle of 360° , so 304+y=360
y=56
sum measure of interior angles of triangle is 180° , According to this rule (n-2)180 ; where n is the no. of sides .
so
65+56+y= 180
121+y=180
y=59( the angle next to X)
X+59=180( together they make an angle of 180)
x=121°
Hope it helps
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2. Compare and contrast a function and its inverse. Represent your
answer in a table of values and in a mapping diagram.
The table of values for the comparison of a function and its inverse function is shown in the image attached below.
What is an inverse function?An inverse function refers to a type of function that is obtained by reversing the operation of a given function (f(x)).
In Mathematics, a given function (f(x)) and its inverse function has the following property f⁻¹(f(x)) = x. By applying this property to the table (see attachment), we have:
f(-6) = -10f⁻¹(-10) = -6f⁻¹(f(3)) = -9.Read more on inverse function here: https://brainly.com/question/15635761
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I need help on this question don't understand this at all
Answer:
F (3)=-1
Step-by-step explanation:
The domain consists of the pre-images and the range has the images. We have the f (3)=-1 since -1 is the image of 3. When we are looking for the function of a number and we are given a diagram of such, we just need to take the value of the number it is pointing to.
The vertex of this angle is:
R
T
S
The vertex of this angle is point S.
HI PLEASE ANSWER THIS QUESTION THANK YOU!
(NO TROLLS PLEASE!)
Two boats left a base camp at bearing of S60°E and S50°W at speeds of 50km/h and 70km/h respectively. Find the distance between the both boats after two hours.
Answer:
197.93 kmStep-by-step explanation:
Let the base camp is point A and boats' locations after two hours are points B and C.
By connecting the three points together we get a triangle ABC with sides:
AB = 50*2 = 100 kmAC = 70*2 = 140 kmThe angle between AB and AC is:
60 + 50 = 110 degrees (opposite directions from south)We are looking for the distance BC, which can be found by using the law of cosines:
BC² = AB² + AC² - 2AB*AC*cos ∠BACBC² = 100² + 140² - 2*100*140*cos 110°BC² = 39176.56 (rounded)BC = √39176.56 = 197.93 km (rounded)The distance between the boats is 197.93 km.
Help yalllll question is in the pic
Raphael graphed the system of equations shown.
y = – 3
y = x – 0.8
A coordinate grid with 2 lines. The first line passes through the points (0, negative 0.1) and (0.8, 0). The second line is horizontal passes through the point (0, negative 3). The lines intersect at a point with a coordinate of slightly to the left of negative 2 and negative 3.
What is the best approximation for the solution to this system of equations?
(–3.2, –3)
(–2.9, –3)
(–2.2, –3)
(–1.9, –3)
–3x + StartFraction one-half EndFractiony = –3
b =
2
4
6
8
Answer:
C. (-2.2, -3)
identify the coefficient of -24x7y3
Answer: -24
Step-by-step explanation:
See attached image.
Choose all of the following angles that cannot
be an interior angle in a regular polygon.
24° 72°
72°
135°
135° 164° 179⁰
In a regular polygon, all interior angles have equal measures because the polygon has congruent sides and angles. The sum of all interior angles in a polygon can be found using the formula:
(n-2) * 180°,
where n represents the number of sides of the polygon.
Based on this, we can determine which angles cannot be interior angles in a regular polygon.
24°: This angle can be an interior angle in a regular polygon because it is smaller than the interior angles of any polygon with more than 6 sides.
72°: This angle can be an interior angle in a regular pentagon (5 sides) or any polygon with more sides, as it satisfies the requirement for interior angles.
135°: This angle cannot be an interior angle in a regular polygon because it is larger than the interior angles of any polygon with less than 8 sides.
164°: This angle cannot be an interior angle in a regular polygon because it is larger than the interior angles of any polygon with less than 9 sides.
179°: This angle cannot be an interior angle in any regular polygon because it is larger than the maximum measure of interior angles in any polygon.
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i rlly need help with this :(
The air force reports that the distribution of heights of male pilots is approximately normal, with a mean of 72.6 inches and a standard deviation of 2.7 inches.
Part A: A male pilot whose height is 74.2 inches is at what percentile? Mathematically explain your reasoning and justify your work. (5 points)
Part B: Air force fighter jets can accommodate heights of soldiers between 70 inches and 78 inches without compromising safety. Anyone with a height outside that interval cannot fly the fighter jets. Describe what this interval looks like if displayed visually. What percent of male pilots are unable to fly according to this standard? Show your work and mathematically justify your reasoning. (5 points)
Using the normal distribution, it is found that:
a) The pilot is at the 72th percentile.
b) 19.13% of pilots are unable to fly.
Normal Probability DistributionThe z-score of a measure X of a normally distributed variable with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex] is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The z-score measures how many standard deviations the measure is above or below the mean. Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.The mean and the standard deviation are given, respectively, by:
[tex]\mu = 72.6, \sigma = 2.7[/tex].
Item a:
The percentile is the p-value of Z when X = 74.2, hence:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{74.2 - 72.6}{2.7}[/tex]
Z = 0.59
Z = 0.59 has a p-value of 0.7224.
72th percentile.
Item b:
The proportion that is able to fly is the p-value of Z when X = 78 subtracted by the p-value of Z when X = 70, hence:
X = 78:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{78 - 72.6}{2.7}[/tex]
Z = 2
Z = 2 has a p-value of 0.9772.
X = 70:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{70 - 72.6}{2.7}[/tex]
Z = -0.96
Z = -0.96 has a p-value of 0.1685.
0.9772 - 0.1685 = 0.8087 = 80.87%.
Hence the percentage that is unable to fly is:
100 - 80.87 = 19.13%.
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What is the distance formula?
OA. √y₂-y₁)2-(x2-x2)2
OB. √(x₂+x1)²-(y₂+y₁)2
OC. √x₂-x₁)+(y₂-y1)
OD. √(x₂-x1)²+(y₂-y₁)2
There are 7 pieces of pie over in the cafeteria. If 5 pieces are apple and 2 are cherry, what fraction of the remaining pieces are cherry?
Answer:
No
Step-by-step explanation
because 5+2=7 so I don't have a piece of cake left over
The sum of two consecutive even numbers is 38. What is the smaller number?
Even numbers = 2x +2
Consecutive even numbers = 2x+4
then
(2x+2) + (2x+4)= 38
2x + 2 + 2x + 4 = 38
2x + 2x + 2 + 4 = 38
4x + 6 = 38
4x = 38 - 6
x = 32 :4
x = 8
2x+ 2 = 2(8)+2 = 16 + 2 = 18
2x+4 = 2(8) +4 = 16 + 4 = 20
The smallest number is 18
[tex]\huge \red{\boxed{\green{\boxed{\boldsymbol{\purple{Pisces04}}}}}}[/tex]
Answer:
18 is the smaller number
Step-by-step explanation:
Let us take X for the first even number (it will also be the smallest)
x, x+1, x+2, so on..
the consecutive even number of x+2 is the next even number after x.
so you now get this equation...
x+(x+2) = 38
2x + 2 = 38
2x = 36
x=18
difference between compounded annually, monthly and daily.
Answer:
With monthly compounding, the bank will calculate interest on your account just once per month. It will not update your balance on a daily basis when it calculates how much interest it owes you. Assuming that the APR is the same, accounts with monthly compounding offer a lower APY than accounts with daily compounding.
what equation describes a linear function
Answer: y = f(x) = a + bx y = f(x) = a + bx y = f(x) =
explanation: The following is the formula for a linear function. y = f(x) = a + bx y = f(x) = a + bx y = f(x) = One independent variable and one dependent variable make up a linear function.
Answer:
I don't knowwwwwwwwwwwwwwww
Which graph represents the following piecewise defined function?
-2x, x<-2
g(x)= -x², -2
X, X >1
Answer: See Attachment
Step-by-step explanation: I wasn’t sure if you meant -2 < x, but that’s the work I did to get the answer. If you can, send a picture of the question itself in case you didn’t mean -2 < x.
Work out the equation of line B. Give your answer in the form y = mx + c, where m and care integers or fractions in their simplest forms.
Answer:
y = -3x + 1
Step-by-step explanation:
The line crosses the y-axis at 1. This is called the y-intercept. This is the number you fill in for c in the form of the equation given.
You can pick any two points on the line to calculate the slope. But you can actually SEE the slope without having to calculate it when you have the graph to look at. See the line crossing the y-axis at 1. Look for another point (that has nice whole number coordinates) there is one DOWN3 and OVER1. If you notice, the next point is also DOWN3 and OVER1.
DOWN3 and OVER1 is the slope -3/1, which is equal to -3.
Fill in -3 in place of the m in the equation.
y = -3x + 1
Done!
Answer:
y = -3x + 1
Step-by-step explanation:
The equation of a line in slope/intercept form is y = mx + c where m is the slope and c the y-intercept(ie the value of y when x =0)
The slope can be found by taking any two points on the line, (x1, y1) and (x2,y2) and computing (y2-y1)/(x2-x1)
If you look at the line 2 points on the line are P(2,-5) and (0,1)
Slope = (-5-1)/(2-0) = -3
The y-intercept is the y-value at which the line intersects the y-axis ie at x = 0 and you can see that this is 1
Therefore equation is
y = -3x + 1
You can check to see if this is correct by plugging in some other value of x and seeing if the correct y value corresponds to the equation y-value
For example, in the graph we see that at x = 1, y = -2
Indeed -3(1) + 1 = -3 + 1 = -2 also
Which pair of functions are inverses of each other?
f(x) = 10x -5 and g(x) = (x+5)/10 are inverses of each other , Option D is the correct answer.
What is a Function ?A function is a mathematical statement which relates two variables , a dependent and an independent variable.
The inverse of a function is found by replacing every y by x and vice versa , and then solve for y
The equation
f(x) = 4/x - 3
or
y= 4/x -3
Replacing y by x
x = 4/y -3
x +3 = 4/y
y = 4/(x+3)
Which do not correlate with the given inverse
f(x) = 10x -5
y = 10x -5
for finding inverse
10y -5 = x
10y = x+5
y = (x+5)/10
g(x) = (x+5)/10
Therefore , Option D is the correct answer.
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i need help asapppppp
Answer:
a
Step-by-step explanation:
2^3 = 8; 4^3 = 64; 8/64 = 1/8
(g^5)^3 = g^15
(h^2)^3 = h^6
g^15/8h^6
Select the correct answer.
Using synthetic division, find (2x + 4x³ + 2x² + 8x + 8) + (x + 2).
O A. 2x3 + 2x + 4
OB.
2x4 + 2x² + 4x
OC. 2x3 + 2x + 4 +
I
OD.
2x3 + 2x² + 4
1
+ 2
The synthetic division of the polynomial, (2x⁴ + 4x³ + 2x² + 8x + 8) / (x + 2) = 2x³ + 2x + 4.
Division of the polynomialThe division of the polynomial is determined as follows;
(2x⁴ + 4x³ + 2x² + 8x + 8) / (x + 2)
2x³ + 2x + 4
-------------------------
x + 2 √(2x⁴ + 4x³ + 2x² + 8x + 8)
- (2x⁴ + 4x³)
-------------------------------------
2x² + 8x + 8
- (2x² + 4x)
------------------------
4x + 8
- (4x + 8)
-------------------
0
Thus, the synthetic division of the polynomial, (2x⁴ + 4x³ + 2x² + 8x + 8) / (x + 2) = 2x³ + 2x + 4.
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What is the answer? Thank you in advance
Coordinates are numerical lengths or angles that uniquely identify locations on two-dimension. The missing coordinates are coordinates 3 and 4.
What is the best way to understand the Cartesian coordinate plane?A Cartesian coordinate plane is a two-dimensional plane with infinite dimensions. On an endless 2d plane, any two-dimensional figure may be drawn. A location is assigned to each point on a Cartesian plane.
It is the perpendicular distance between that point and the horizontal and vertical axes, which are commonly referred to as the x-axis and y-axis.
Location is then written as (a,b), where 'a' is the point's shortest distance from the y-axis, 'b' is the point's shortest distance from the x-axis, and 'c' is the point's shortest distance from the x-axis.
Coordinates are numerical lengths or angles that uniquely identify locations on two-dimensional (2D) surfaces or in three-dimensional (3D) space ( 3D ).
Mathematics, scientists, and engineers frequently employ a variety of coordinate systems.
Hence the missing coordinates are coordinates 3 and 4.
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Estimate the original volume of the pyramid in Fig. 15.28, given that its frustum has a 4 m by 4 m square top which is 12 m vertically above the square base which is 20 m by 20m.
The volume of the pyramid is 2496 cu.m.
What is a Pyramid ?A pyramid is a three dimensional structure which has a polygon base and in general triangular faces which join at the top .
It is given that
A pyramid [tex]\rm frustum[/tex] has a 4 m by 4 m square top
Height = 12 m
Base = 20 m
The volume of a square pyramid with a [tex]\rm frustum[/tex] is given by
V = (1/2) * ( Area of base + Area of [tex]\rm frustum[/tex] ) * height of the [tex]\rm frustum[/tex] from the base
V = 0.5 * ( 20 *20 + 4*4 ) * 12
V = 2496 cu.m
The volume of the pyramid is 2496 cu.m.
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Make m the subject of the equation
(a) 5(m + y) = 4(m - 3y)
Answer:
m=(-5y-3y)
Step-by-step explanation:
5m+5y=4m-3y
5m-4m=-5y-3y
m(5-4)=-5y-3y
m=(-5y-3y)/1
Which table represents a linear function?
2
3
4
5
(J1
10
15
20
25
Answer:
I think it’s C
Step-by-step explanation:
I think
Consider this function.
ƒ(=) =-3x + 3
Which graph represents the inverse of function??
Answer: The first graph
Step-by-step explanation: A graph’s inverse will have all of their roots inverted as well. If you put the graph f(x)= 3x+3 into a graphing calculator, you’ll be able to see all the roots. From there, just invert (switch) the roots. Since on the original graph the most prominent roots are {(0,3), (-1,0),(-2,-3)}, you just need to invert those roots and find them ALL on one of the graphs, then you have your answer. So, the inverted roots will be {(3,0),(0,-1),(-3,-2)}.
Still, I find the simplest thing is to put them into a graphing calc like GeoGebra.
Given the function f(x) = −5x2 − x + 20, find f(3).
Answer:
-28
Step-by-step explanation:
put 3 where is x
f(x) = −5(3)^2 − (3) + 20
exponents flrst
(−5*9) − (3) + 20
-45 -3 +20
-48 + 20
-28
Asap please!!!!!!! if jkl=rst, which congruences are true by cpctc? check all that apply.
a. l=r
b. jk=rs
c. k=s
d. j=s
e. kl=st
f. jl=rs
Answer:
b, c e
Step-by-step explanation:
A congruence statement lists corresponding parts in the same order. CPCTC says corresponding parts are congruent.
__
To see if any particular statement is consistent with CPCTC, identify the locations of the referenced parts in the congruence statement. If they match, the congruence is true
a. l = r ... jkl = rst . . . . not in the same place
b. jk = rs ... jkl = rst . . . . a match; true
c. k = s ... jkl = rst . . . . a match; true
d. j = s ... inconsistent with (c)
e. kl = st ... jkl = rst . . . . a match; true
f. jl = rs ... inconsistent with (b)
Statements b, c, e are consistent with the congruence statement, and are true by CPCTC.
A company making tires for bikes is concerned about the exact width of its cyclocross tires. The company has a lower specification limit of 22.8 millimeters and an upper specification limit of 23.1 millimeters. The standard deviation is 0.19 millimeters and the mean is 22.9 millimeters. What is the process capability index for the process? Note: Round your answer to 4 decimal places.
The process capability index for the process is 0.1754.
How to calculate the index?The first sided specification limit will be:
= (Upper specification limit - mean)/(3 × standard deviation)
= (23.1 - 22.9)/(3 × 0.19)
= 0.2/0.57
= 0.3508
The second sided specification limit will be:
= (22.9 - 22.8)/(3 × 0.19)
= 0.1/0.57
= 0.1754
The process capability index for the process is 0.1754 wine it's the lower value.
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Hours of training | Monthly pay
10 | 1100
20 | 1200
30 | 1300
40 | 1400
50 | 1500
60 | 1600
70 |1700
According to the table, what is the increase in monthly pay for each hour of
training?
A. $50
B. $10
C. $100
D. $110
Answer:
$10
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