Two column proof is a way to portray proofs in geometry.A two column proof always has two columns, one for statement and the other for reason.
The rules of a two column proof are, every statement should be numbered, every statement should have a reason. There is no order for the statements but it is better to maintain logocal order.Reasons for the statements are theories, previously proved theorems that justify the statement.
A,B,C,D are on a line and we have to prove that if AB=CD then AC=BD
Statements Reasons
1.A,B,C,D are collinear 1.given
2.AB=CD 2.given
3.BC=BC 3.reflexive
4.AB+BC=BC+CD 4.adding 2 and 3
5.AB+BC=AC and BC+CD=BD 5. Segment addition
6.AC=BD 6.Substitution
Thus it is proved by two column proof that if AB=BC then AC=BD
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if marks age is represented by m and hatch is age is represented by h then which of the following expression represents five less than the sum of marks and hatchi ages
The expression that represents five less than the sum of mark's and hatch's ages is ( h + m ) - 5
Given,
Mark's age is represented by m
Hatch's age is represented by h
To find an expression that shows the required relation, that is, five less than the sum of mark's and hatch's ages, we need to establish a relation between the given variables.
Sum of mark's and hatch's ages can be represented as ( m + h )
Five less than the sum of mark's and hatch's ages can be represented as ( m + h ) - 5.
Therefore, by establishing a relation between the given variables, we get the expression that represents five less than the sum of mark's and hatch's ages as ( h + m ) - 5.
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HEY I NEED HELP ASAP CAN YOU HELP? WILL GIVE BRAINLYIST
show your work or explain your reasoning in mathematical terms. Be specific. Draw a picture if you need to.
Question:
Abdul wants to put a rug in a square room that has an area of 775 square feet. He wants to leave a 3-foot border of bare floor on each side. What are the dimensions of the rug rounded to the nearest hundredth?
The dimensions of the rug which Abdul would use in discuss as described in the task content are; 21.84 ft by 21.84 ft.
What are the dimensions of the rug rounded to the nearest hundredth?It follows from the task content that the dimensions of the rug which Abdul would use in the room in discuss are to be determined.
Since the room Abdul wants to put a rug on is; 775 ft² and the room is a square room.
It follows that all sides of the room are equal and the length of each side can be determined as;
s = √Area; since Area = s².
s = √775
s = 27.839 ft.
Hence, the dimensions of the room is; 27.839 ft by 27.839 ft.
However, since he wants to leave a 3-foot border of bare floor on each side, it follows that the dimensions of the rug on each axis would be;
= 27.839 - 3 -3 = 21.839 ft on all sides.
Consequently, the dimensions of the rug rounded to the nearest hundredth are; 21.84 ft by 21.84 ft.
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Find x. (Hint: Draw an auxiliary line.)
The angle x will be 98 ⁰
What are alternate interior angle ?
An alternate interior angle is one formed on the inside side of two parallel lines and opposite on the outer side of the transversal when those two parallel lines are intersected by a transversal and they are equal.
Alternate angles between a transverse and parallel lines are equal .
Let the lines are AB and CD and let us draw a transverse line HI parallel to AB and CD, then the angle FEI will be 62 degree as alternate interior angle are equal. and also angle EPC will be supplementary angle of 144 degree that is 36 degree thus forming angle GEI to be 36 degree also as shown in figure below :
Now calculating angle x :
x = 62+ 36
x = 98 ⁰
Therefore, the angle x will be 98 ⁰
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Pls help I’m not very smart
Answer:
Blank 1: 97
Blank 2: 73
Step-by-step explanation:
This equation is shown on a straight line, which equals 180.
We can start by adding the two equations which together are equal to 180.
15x + 2 + 10x + 3 = 180
We can simplify it to 25x + 5 = 180
Now we can subtract 5 from both sides to get
25x = 175
Then we can divide both sides by 25 to get x = 7
Now we can plug in x for both angles
Angle RQS is 15x + 2, so 15*7=95 and the +2 is 97.
Angle TQS is 10x + 3 so 10*7=79 and the + 3 is 73
:D
5.9 divided by 35.4 yeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Answer: 0.16666
Step-by-step explanation:
You need to move the decimal point over
[tex]\frac{5.9}{35.4} \\ \\ \frac{59}{354}=\frac{59.0}{354} =\frac{0.16666}{554}[/tex]
There is quite literally not one moment where I was taught this that I remember answer correctly for 69 points. Answer choices are 15, 20, 23, 25, and 18.
It should be noted that based on the information given, the square root of 225 will be A. 15.
What is the square root?It should be noted that a number y such that y² = x, or a number y whose square is x, is referred to as the square root of a number x in mathematics. For instance, since 4² = 16, 4 and -4 are the square roots of 16.
It should be noted that in this case, the square root of 225 will be:
= ✓225
= 15
Therefore, it should be noted that based on the information given, the square root of 225 will be 15.
In conclusion, based on the information, the correct option is A.
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A pool measuring 18 meters by 20 meters is surrounded by a path of uniform width, as shown in the figure. If the area of the pool and the
path combined is 1520 square meters, what is the width of the path?
18
20
20+ 2x
18+2x
By solving a quadratic equation we can see that the width of the path measures 20 meters.
How to find the width of the path?
We know that the pool measures 18 meters by 20 meters, then the area of the pool alone is:
A = 18m*20m = 360 m^2
Now, if the path has a width x, then the rectangle that includes the path and the pool has dimensions:
(18m + 2x) and (20m + 2x)
And its area is given by:
(18m + 2x)*(20m + 2x)
And we know it is equal to 1520 m^2, then (i'm not writting the units in the computation):
(18 + 2x)*(20 + 2x) = 1520
360 + 4x^2 + 76x = 1520
Now we just need to solve that quadratic equation:
4x^2 + 76x - 1520 + 360 = 0
4x^2 + 76x - 1160 = 0
The solutions are:
x = (-76 ± √(76^2 - 4*4*(-1160))/(2*4)
x = (-76 ± 156)/4
We only care for the positive solution, which gives:
x = (-76 + 156)/4 = 20
We conclude that the width of the path measures 20 meters.
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What is the value of the function f(x) = 8x when x = 0.25?
f(x) =
Answer:
f(x) = 2
Step-by-step explanation:
What is the value of the function f(x) = 8x when x = 0.25?
substitute in 0.25 for x to get:
f(x) = 8(0.25)
f(x) = 2
the shorter leg of a right triangle is 8 less than the hypotenuse. the longer leg is one less than the hypotenuse. find the perimeter
The perimeter of the right triangle is 30 units.
How to find the perimeter of a right triangle?The shorter leg of the right triangle is 8 less than the hypotenuse. The longer leg is one less than the hypotenuse.
Let's break the information into smaller chunk.
The shorter leg of a right triangle is 8 less than the hypotenuse.
The longer leg is one less than the hypotenuse.
The hypotenuse is the longest side of a right triangle.
Therefore,
let
the hypotenuse = x
short leg = x - 8
long leg = x - 1
Applying Pythagorean theorem in the given right triangle.
c² = a² + b²
where
c = hypotenusea and b are the other legs.(x - 1)² + (x - 8)² = x²
(x - 1)(x - 1) + (x - 8)(x - 8) = x²
x² - x - x + 1 + x² - 8x - 8x + 64 = x²
2x² - 18x + 65 = x²
x² - 18x + 65 = 0
(x - 13)(x - 5) = 0
Therefore,
x = 5 and x = 13
13² - 5² = a²
169 - 25 = a²
a = √144
a = 12
So, the hypotenuse is 13, the shorter leg is 5 and the longer leg is 12.
perimeter of the right triangle = 13 + 5 + 12 = 30
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Bonjour,
Quelqu'un pourrait m’aider svp.
a-/ |-5-10| = 15 ; |-2√2-√12|=2√3+√12 ; |-π-4π|=5π
A print shop borrows $5700 from a credit union for 193 days. The credit union charges simple interest at an annual rate of 12% for this loan. Assume 1/365 each day is
of a year. Answer each part below.
Do not round any intermediate computations, and round your final answers to the nearest cent. If necessary, refer to the list of financial formulas.
The amount borrowed by the print shop: $5700
Time for which loan is taken: 193 days
Rate of interest: 12%
Day in terms of year is given by: 1/365
The formula for simple interest:
Simple interest = P*R*T/100
where P = principal amount invested
R = rate of interest
T = time in years
Solving the question using the formula we have:
Simple interest = (5700*12*193)/(100*365)
= 13201200/36500
= 361.67 or $362
Interest that will be owed after 193 days will be $362
Amount owed after 193 days will be $5700 + $362 = $6062
Although a part of your question is missing, you might refer to this full question: A print shop borrows $5700 from a credit union for 193 days. The credit union charges simple interest at an annual rate of 12% for this loan. Assume 1/365 each day of a year. Find the interest that will be owed after 193 days. If no payments are made on the loan find the amount owed after 193 days.
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( 2x+7) - (2x - 4) please help me with this answer because it is in big ideas math
Answer:
11
Step-by-step explanation:
You want to simplify (2x+7) - (2x - 4).
Distributive propertyThe distributive property tells you the factor outside parentheses applies to every term inside parentheses. It is used for the purpose of removing parentheses.
(2x+7) - (2x - 4) = 2x +7 -(2x) -(-4) = 2x +7 -2x +4
Like termsTerms that have the same variable (or product of variables) are "like terms." Their coefficients can be combined. (This is another use of the distributive property.)
2x +7 -2x +4 = 2x -2x +7 +4 = (2 -2)x +(7 +4) = 0x +11
= 11 . . . . simplified form of the given expression
A can of Campbell's soup has a diameter of 4 inches and a height of 6 inches.
What is the volume of the soup in the can?
Answer: V = 75.4
Step-by-step explanation: Assuming this is a cylinder we can use the formula πr^2*h. All we have to do is plug in the numbers for the equation. Since we know radius is half of the diameter we can set radius to 2. h represents height.
So since the formula is saying we need to square the radius. We multiply 2*2=4
We can then plug this in for r squared.
Making our equation= π*4*6 = 75.4
Given m||n, find the value of x
Answer:
[tex]x = 61[/tex]
Step-by-step explanation:
See the attached image for explanation
Hope it helpsCheck the picture below.
The sum of 5 and c is greater than or equal to - 28.
Answer:
C is greater than or equal to -23
Step-by-step explanation:
- 28 + 5 = -23
to determine her blood sugar level, charlotte divides up her day into three parts: morning, afternoon, and evening. she then measures her blood sugar level at 3 randomly selected times during each part of the day.
According to the given statement this is a type of stratified sampling.
What is a Stratified random sampling?Stratified random sampling is often when researchers want to know about different subgroups or based on the entire population being studied. For instance, if one is interested in differences between groups based on race, gender, or gender.
Briefing:she measures her blood sugar level at 3 randomly selected times during each part of the day.
Stratified is defined as taking samples from a group that has been partitioned or divided into multiple pieces.The lady has organized her day into three sections here: morning, afternoon, and evening.This is a method for randomly selecting a sample from a population. therefore, charlotte took 3 random sample from each part of the day.So,
This is a type of stratified sampling.
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I understand that the question you are looking for is :
To determine her blood sugar level, charlotte divides up her day into three parts: morning, afternoon, and evening. She then measures her blood sugar level at 3 randomly selected times during each part of the day.
What type of sampling is used?
Use the below diagram to find the area of the shaded region if the radius of the circle is 92 inches and the measure of angle ABC is 7pi/15
The area of the shaded region of the circle is 10.972 square inches.
What is the Area of the Sector?
The formula for area of a circle sector is;
A = (θ/360) * πr²
We are given;
Radius of circle = 92 inches
Central angle = 7π/15
Thus;
Area of given sector = (7π/15)/360 * π * 92²
Area of given sector = 7π/15 * 1/360 * π * 92²
Area of given sector = 10.972 square inches
Thus, we can conclude that the area of the shaded region of the circle is 10.972 square inches.
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What is the answer to this problem ?
Answer:
191+192
Step-by-step explanation:
I need help thank you
Answer:
3
Step-by-step explanation:
[tex]\sqrt[3]{27}[/tex]
= [tex]\sqrt[3]{3^3}[/tex]
= 3
A triangle has two sides of lengths 4 and 7. What value could the length of
the third side be? Check all that apply.
A. 9
B. 5
C. 17
D. 7
E. 3
F.' 11
SULMIT
A=9, B=5 and D=7 are the correct options.
In the *Geometry*, a *triangle* is a closed 2-dimensional figure with 3 angles, 3 sides and 3 vertices. Triangles are considered as a *polygon* with the least number of sides.
a,b and c are the sides of a triangle if it satisfies:
a<b+c , b<a+c and c<b+a
Here, a=4 and b=7
We have to find c
i.e. all those c which satisfies:
4<7+c , 7<4+c and c<4+7=11
AAAAAA. 9 it is true
B.5 it is true
C.17 This is clearly false, since it doesn't satisfies inequality third.
D.7 it is true
EE. 3 it is not true since it doesn't satisfies second inequality.
F.11 This is clearly false, since it doesn't satisfies inequality third
Hence, The correct answer of the given question is A,B and D.
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How many fish caught in this study had lengths between 45 cm and 90 cm
Answer:
number of fish caught between 60 and 75 cm =40
Step-by-step explanation:
Darius designed a billboard. The
billboard is 480 inches long by 144
inches high. Darius uses a
computer to design the billboard.
Determine the height for the
computer design that maintains
the same scale and has a length of
12 inches.
14a - (2a +9)=2/3 (12a-18)
Answer: a=-0.75
Step-by-step explanation:
14a - (2a +9)=2/3 (12a-18)
14a - 2a -9=2/3 * 6(2a-3)
12a-9=2*6/3 (2a-3)
12a-9=2*2(2a-3)
12a-9=4(2a-3)
12a-9=8a-12
4a-9=-12
4a=-3
a=-3/4
a=-0.75
ind both the vector equation and the parametric equations of the line through in the direction of the vector , where t0 corresponds to the given point.
The parametric equations are line through (0,0,0) in the direction of the vector v=uxw=(1,2,1).
The line through (0,0,0) and perpendicular to both U=(-2,1,0) and
w=(-1,0,1)
Therefore the line through (0,0,0) and parallel to (-2,1,0)
[tex]*10919-1-2, î+1=3618 = (1) ņ - (-2)5+ (1)a • Î +21 + û[/tex]
=(1,2,1)
Therefore direction ratio of the line through (0,0,0) is (1,2,1) Therefore for equation of the line through (0,0,0) and perpendicular to both (-2,1,0) and [tex]w=(-1,0,17 is (0,, z) = (0,0,0) + x (1,2,1),[/tex] & is constant.
[tex].: X (1,4,2)= (0, 1, 0)+ [1,2,1][/tex]
Therefore parametric of the line through (0,0,0) in the direction of the vector v=uxw=(1,2,1)
How do you find a vector?Equivalent Equation of a Plane in Vector Form
The equation for a plane in the real number system R, where r is the position vector of any point on the plane and n is either a normal vector perpendicular to the plane or a parallel vector.
The normal vector must be perpendicular to both as the vectors are both parallel to the plane. Recall that a vector that is perpendicular to both vectors is created by taking the cross product of two vectors. This cross product's characteristic can be used to compute a normal vector to the plane, which results in the normal vector.
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f a person's eye level is h meters above sea level and she can see d kilometers to the horizon, then d=3.57\sqrt(h). Suppose the person's eye level is 7.84 meters above sea level. How far can she see to the horizon? Round your answer to the nearest tenth.
A function assigns the value of each element of one set to the other specific element of another set. The person can see upto 9.996 meters.
What is a Function?A function assigns the value of each element of one set to the other specific element of another set.
Given that a person's eye level is h meters above sea level and she can see d kilometers to the horizon, then d=3.57√(h).
Now, using the same given function we can find the distance up to which the person will be able to see to the horizon. Therefore, we can write,
d=3.57√(h)
d = 3.57 √(7.84)
d = 3.57 × 2.8
d = 9.996
Hence, the person can see upto 9.996 meters.
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Gavin is selling water bottles at a baseball game to help raise money for new uniforms. Before the game, he buys 48 water bottles for a total of $18.50. At the game, he sells all of the bottles for $1.25 each. How much profit does Gavin make?
$
Answer: $41.50 41 dollars and 50 cents in profit
Step-by-step explanation:
First, 1.25x48=60
Second, 60-18.50=41.50
Answer:
$41.50
Step-by-step explanation:
So we know that Gavin bought 48 water bottles before the game for $18.50. We also know that he sold the water bottles for $1.25 each.
If we want to know how much profit he made, we first have to find the amount of money he received.
To find this, we need to multiply the number of water bottles by the price for each bottle;
48 × $1.25
This gives us a total of $60.
Now to find the profit, we have to subtract the amount he paid for the water bottles by the total he made;
$60 - $18.50
This means he made a profit of $41.50.
hope this makes sense! <3
x and y intercept of 7x-9y=35
The x intercept and y intercept of 7x-9y=35 is (5,0) and (0,-35/9) respectively .
X Intercept is defined as the point where the line crosses the X axis .
For Example : if the line x+y=2 crosses the x axis at 2 , then it's x intercept will be (2,0).
Y Intercept is defined as the point where the line crosses the Y axis.
For Example ; if the line x+y=2 crosses the y axis at 2 , then it's Y intercept will be (0,2) .
In the given question
7x-9y=35
To find the x intercept we substitute the value of y=0,
On substituting y=0 we get
7x=35
x=5
The x intercept is (5,0).
To find the y intercept we substitute the value of x=0,
On substituting x=0 we get ,
-9y=35
y=-35/9
The y intercept is (0,-35/9) .
Therefore , the x intercept and y intercept of 7x-9y=35 is (5,0) and (0,-35/9) respectively .
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Which mapping represents a rotation of 270 degrees clockwise about the origin?
The mapping representing a rotation of 270 degree clockwise about the origin is (x, y) -----> (-y, x)
We use the rotation of 90 degree to find the mapping of 270 degrees.
The rotation of 270 degree clockwise is same as the anticlockwise rotation of 90 degrees about the origin.
So the mapping of 270 degree clockwise rotation is exactly the mapping of 90 degree anti clockwise rotation.
Now the mapping of 90 degree anti clockwise rotation is (x, y) -----> (-y, x).
So the mapping representing a rotation of 270 degree clockwise about the origin is (x, y) -----> (-y, x)
This implies that a point (x, y) on the co-ordinate plane becomes (-y, x) after a clockwise 270 degree rotation.
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20 +? =100 ÷ 4
Help
Answer:
5
Step-by-step explanation:
Both answers equal 25.
Convert 10 centimeters into yards. Round your answer to the nearest hundredth.
Answer:
0.11 yards
Step-by-step explanation:
To convert centimeters to yards, find the needed unit conversions:
[tex]cm(\frac{in}{cm})(\frac{ft}{in})(\frac{yd}{ft})[/tex]
Convert centimeters to inches, inches to feet, then feet to yards!
Now replace the values with the correct quantities:
[tex]10cm(\frac{1in}{2.54cm})(\frac{1 ft}{12 in})(\frac{1 yd}{3 ft})[/tex]
Finally, simplify and cross-cancel the units:
[tex]0.10936... yd[/tex]
Round to the nearest hundredth:
[tex]0.11 yd[/tex]