Two angles are congruent if and only if they have the same measure.
Given,
“Congruent angles are angles with the exact same measure”
To define the Biconditional Statement:
Now,
What is Biconditional Statement ?
If two angles have the same measure, then the angles are congruent and if two angles are congruent, then the angles have the same measure.
"If two angles are congruent, then they have the same measure."
P = two angles are congruent.
Q = they have the same measure.
Hence, Two angles are congruent if and only if they have the same measure.
or: P if and only if Q, this is biconditional.
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Red letters and blue letters are used in a game. Some of the letters are X. All the other letters are Y. X Y X Y The ratio of the number of red letters to the number of blue letters is 2:5 The ratio of the number of red Xs to the number of red Ys is 1: 3 The ratio of the number of blue Xs to the number of blue Ys is 3:1 Work out what fraction of all the letters are Xs.
17/28 of all the letters are X's.
y=−2x+4y, equals, minus, 2, x, plus, 4
Complete the missing value in the solution to the equation.
The missing value in the solution to the equation y = -2x+4y is y.
According to the question,
We have the following information:
y = -2x+4y
y equals minus 2 x plus 4.
Now, look at the equation, we know that the solution of y is -2x+4y.
Now, the statement that is given is incomplete because we have 4 is multiplied by y.
(More to know: this equation can be further solved. We have y = -2x+4y. Now, we can move the same variables to one side. So, we have -3y = -2x. Now, the two negative signs when divided gives the positive result.)
Hence, the statement can be completed by y.
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Which two identify the same sequence
The correct answer is options A and E.
f(x) = 6x + 4
f(1) = 6(1) + 4 = 10
f(2) = 6(2) + 4 = 16
f(3) = 6(3) + 4 = 22
[tex]\begin{gathered} \text{When n=1,} \\ a_1=10 \\ a_{n+1}=a_{1+1}=a_2=a_1+6\text{ = 10+6=16} \\ _{}when\text{ n=2} \\ a_{n+1}=a_{2+1}=a_3=a_2+6=16+6=22 \end{gathered}[/tex]Clearly, options A and E are the same sequences.
guys please help e with this one too
Answer:
C. t = 3/5
Step-by-step explanation:
[tex]10t + 4 - 2t = 2 - 2(t - 4)[/tex]
[tex]4 + 8t = 2 - 2t + 8[/tex]
[tex]4 + 8t = 10 - 2t[/tex]
[tex]4 + 10t = 10[/tex]
[tex]10t = 6[/tex]
[tex]t = .6 = \frac{3}{5} [/tex]
Name the marked angle in 2 different ways.
Answer:
Acute angle
OLN angle
Step-by-step explanation:
is m parallel to n. if so what theorem can you use.
You can use the Alternate Exterior Angle Theorem to prove that the 2 angles shown on the drawing are congruent to each other.
Solve for X!
Please help
In the given triangle,
sides vx and vw are equal,
and ∠v = 40°
∠w = ∠x (Adjacent angles of the equal sides of a triangle are equal)
Also, ∠v + ∠w + ∠x = 180° (Angle sum property of a triangle)
⇒ 40° + ∠x + ∠x = 180°
⇒ 2∠x = 140°
⇒∠x = 70°
What are Isosceles Triangles?The term "isosceles triangle" refers to a triangle with two equal sides. The isosceles triangle has equal sides and equal measures for two of its three angles. This results in an uneven angle. Assume that if the measure of an unequal angle is given to us, we can quickly determine the other two angles using the angle sum property. The isosceles triangle can be characterized as acute, right, or obtuse depending on the angle formed by the two legs. The isosceles triangle can be sharp if the two angles across from the legs are equal and smaller than 90 degrees (acute angle).A right isosceles triangle has two equivalent sides, one of which serves as the triangle's base and the other as its perpendicular. The third uneven side is known as the hypotenuse. As a result, we may employ the well-known Pythagoras theorem, which states that the hypotenuse's square equals the sum of its base and perpendicular squares.
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boiling an egg physcal or chemcal
Answer:
it's a chemical change.
Step-by-step explanation:
a raw egg is converted into a hard boiled one by chemical changes happening inside it. Its also an irreversible change
Please help me asap!!!!! Worth 20 points
Answer:
Step-by-step explanation
Third, second, first.
The third has 5% chance that it will get the investor its money back, second having a 34% of the investor getting its money back, and the first having a 54% chance. Hope this was quick enough for you!
which domain would be the most appropriate set to use for a function that predicts the total weight of pounds
Accurate Whole numbers .
What is accurate whole number?
Accuracy is defined by the number of significant digits while precision is identified by the location of the last significant digit. For instance the number 1234 is more accurate than 0.123 because 1234 had more significant digits.
What does function mean?
Each element of x is given exactly one element of y via a function from a set x to a set y. The sets x and y are collectively referred to as the function's domain and codomain, respectively.
The following details must to be taken into account:
The term "whole number" refers to a number that is free of fractions and decimals.
It calculated the number of household online devices in relation to the number of occupants.
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Belinda wants to invest $1,000. The table below shows the value of her investment under two different options for three different years:
Number of years 1 2 3
Option 1 (amount in dollars) 1100 1210 1331
Option 2 (amount in dollars) 1100 1200 1300
Part A: What type of function, linear or exponential, can be used to describe the value of the investment after a fixed number of years using option 1 and option 2? Explain your answer. (2 points)
Part B: Write one function for each option to describe the value of the investment f(n), in dollars, after n years. (4 points)
Part C: Belinda wants to invest in an option that would help to increase her investment value by the greatest amount in 20 years. Will there be any significant difference in the value of Belinda's investment after 20 years if she uses option 2 over option 1? Explain your answer, and show the investment value after 20 years for each option. (4 points)
A) The type of function that can be used to describe the value of the investment after a fixed number of years using option 1 and option 2 are respectively; Linear Function and Exponential function.
B) One function for each option to describe the value of the investment f(n), in dollars, after n years.;
Option 1; f(n) = n + 100
Option 2; f(n) = n + 100x
C) The amount from option 1 after 20 years would be 3000 and the amount from option 2 after 20 years would be 4900
How to solve Linear functions?A) For option 1, the linear function can be used to describe the value of the investment after a fixed number of years. This reason is that, in option one, the amount increases by a fixed amount every year.
For option 2, the exponential function can be used to describe the value of the investment after a fixed number of years. The reason is that, in option 2, the amount increase is higher than the previous year.
B) For option 1, the function is;
f(n) = n + 100
For option 2, the function is;
f(n) = n + 100x
C) After 20 years, the amount from option 1 would be 3000 and the amount from option 2 would be 4900. Thus, there is a difference of 1900.
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f (x)=√x + 9. Find ¹(x) and its domain.
The inverse and domain of the function are y = x²-9 and all real numbers.
Inverse of a functionA function's inverse is a function that reverses the action of a function, such as g(x). If and only if g(x) is bijective, then the inverse of g(x) exists, and if it exist.
If the function f(x)=√x + 9, find the inverse;
y = √x+9
x = √y+9
x² = y+9
y = x²-9
The domain of the inverse function will exist on all real numbers.
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A cyclist leaves New York traveling at an average speed of 9 miles per hour. 4 hours later, a car leaves Bay Shore, on the same route, traveling at an average speed of 21 miles per hour. How many hours after the car leaves New York will the car catch up to the cyclist?
The car will catch up the cyclist 3 hours after it starts moving.
In how many hours the car will catch up the cyclist?The cyclist travels at 9 miles per hour, and travels for 4 hours before the car starts moving, so the equation for the position of the cyclist as a function of time, t, is:
C(t) = 9*4 + 9*t = 36 + 9*t
And the car moves at 21 miles per hour, then the position is:
P(t) = 21*t
The car will catch the cyclist when:
C(t) = P(t), this gives:
36 + 9*t = 21*t
36 = 21*t - 9*t = 12*t
36/12 = t
3 = t
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3) Calculate the area of this trapezium
D
A
11 cm
¹9 cm
19 cm
B
10 cm
C
Answer:
A = 135 cm²
Step-by-step explanation:
the area (A) of a trapezium is calculated as
A = [tex]\frac{1}{2}[/tex] h (b₁ + b₂ )
where h is the perpendicular height between the bases b₁ and b₂
here h = 9 , b₁ = 19 , b₂ = 11 , then
A = [tex]\frac{1}{2}[/tex] × 9 × (19 + 11) = 4.5 × 30 = 135 cm²
Mon. Tues. Wed. Thurs. Fri. 9. 60° 800 650 75° 70° Find the mean temperature in Eagletown for the past 5 days. help me
Please help me I keep getting the wrong answer :(
Answer:
Step-by-step explanation:
Problem 2:
Count the blocks.
You can find 1 1000 block
You can find 2 100 block
You can find 3 10 block
You can find 6 1 block.
Together it is 1236.
Problem 3:
Expanded notation is the number listed in groups of base 10. To solve, just put the number of blocks and the block number.
(1 x 1000)+(2 x 100)+(3 x 10) + (6 x 1)
Problem 4:
Find the number between the clues.
Since A is close to 100 and less than 100, you could put 75, which is close to 100 but not quite enough.
Since B is pretty close to a 100 but greater than 100, you could put 110.
Since C is in the middle of both 100 and 200, you could put 150 because it's in the middle of both numbers.
Since D is in between C which is 150 and 200, you could put 175 as that is half of both numbers.
Since E is close to 200 but bigger than D which is 175, you could put 180.
bro please
Which graph represents the inequality 2.5 is less than the product of −0.5 and a number?
number line with open circle on point 0.2 and arrow shaded to the left
number line with open circle on point negative 5 and arrow shaded to the left
number line with open circle on point negative 0.2 and arrow shaded to the right
number line with open circle on point negative 5 and arrow shaded to the right
A graph represents the inequality 2.5 is less than the product of −0.5 and a number is: D. number line with open circle on point negative 5 and arrow shaded to the right.
What is a number line?A number line can be defined as a type of graph with a graduated straight line which is composed of both positive and negative numbers that are placed at equal intervals along its length.
In order to solve this word problem, we would assign a variable to the number and then translate the word problem into an algebraic equation as follows: Let x represent the number.
Translating the word problem into an algebraic equation, we have;
2.5 < -0.5x
Next, we would solve the given inequality as follows:
2.5/0.5 < -0.5x/0.5
5 < -x
x > -5
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8^x = 2 Write down the value of x.
Answer:
x = [tex]\frac{1}{3}[/tex]
Step-by-step explanation:
using the rule of exponents
[tex](a^m)^{n}[/tex] = [tex]a^{mn}[/tex] , then
[tex]8^{x}[/tex] = 2
[tex]2^3)^{x}[/tex] = 2 , that is
[tex]2^{3x}[/tex] = [tex]2^{1}[/tex]
since the bases on both sides are equal, both 2, then equate the exponents
3x = 1 ( divide both sides by 3 )
x = [tex]\frac{1}{3}[/tex]
The length of a piece of rope is 19.5 feet. Molly needs to cut the rope into pieces 2 feet long. How many pieces can she make?
Answer: 9
Step-by-step explanation:
1. To divide by 2 you need an even number, and the closest even number below 19.5 is 18.
2. 18 feet divided by 2 feet per piece of rope equals nine pieces of rope.
Please help me with this lesson on ixl! I don't understand.
Answer:
8/25
Step-by-step explanation:
change the 5/4 into a 4/5 and change the divide into a mulltiple while you do this
then multiply 2 x 5 = 8
5 x 5 = 25
4(w − 971) = –384
w =
Stuck
Step-by-step explanation:
you can ask questions for clarification
Oct 13, 5:31:26 PM
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Violet has a points card for a movie theater.
• She receives 45 rewards points just for signing up.
She earns 2.5 points for each visit to the movie theater.
. She needs 75 points for a free movie ticket.
DeltaMa...
Which equation or tape diagram could be used to represent the context if v
represents the number of visits Violet must make to earn a free movie ticket?
Equation that can be used to represent the number of visits Violet must make to earn a free movie ticket is:
2.5v+45=75
What is an equation?A formula that expresses the equality of two expressions, by connecting them with the equals sign '= 'is called an equation
Unknowns are the variables for which the equation is solved and unknown values that satisfy the equation are called solutions.
Firstly, multiply 2.5 by the number of visits (v) to calculate how many points Violet earned in total.
Now add 75 to the product of 2.5(v) because Violet started with 75 points.
To find out how many times Violet would require to visit the movie theater to get a free movie ticket:
Subtract 45 from 75, that leaves you with 30, and after dividing that by 2.5, the number of points per visit comes out to be 12
Violet would need to visit the theater 12 times to earn a free movie ticket.
To check if that's right, substitute the value of 'v' in the equation,
12*2.5 + 45 = 75
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the linear function
The equation of the linear function is: 3x + y = 1.
How can we define the slope for a given line?
A line's slope in mathematics is defined as the ratio of the change in the y coordinate to the change in the x coordinate. Both the net change in the y-coordinate and the net change in the x-coordinate are denoted by y and x, respectively. Therefore, the relationship between the change in the y-coordinate and the change in the x-coordinate is provided by the formula m = change in y/change in x = Δy/Δx, where "m" is the slope of a line.
Mathematically, slope of a line = m = (y₂ - y₁)/(x₂ - x₁)
What is the y-intercept for a given line?
When a graph crosses the y-axis, that location is known as the y-intercept. It is, in other words, the value of y at x=0.
What is the general equation of a line?
The equation for a standard line is y - y₁ = m(x - x₁), where m is the slope and c is the y-intercept.
Given, the line passes through the points (-2, 7) and (2, -5).
Now, using the formula established in the literature, we get:
Slope = m = (y₂ - y₁)/(x₂ - x₁) = (-5 - 7)/(2 - (-2)) = -12/4 = -3
Equation of the linear function: y - 7 = (-3)(x - (-2)) ⇒ y - 7 = (-3)(x + 2)
⇒ y - 7 = -3x - 6 ⇒ 3x + y = 1
Thus, the equation of the linear function is: 3x + y = 1.
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Write an equation in slope-intercept form given the table:
X 0 1 2 3
Y 3 6 9 12
Answer:
y = 3x + 3
Step-by-step explanation:
The slope is 3
change in y over the change in x. As the y increases by 3, the x increases by 1. [tex]\frac{3}{1}[/tex] = 3
Use any of the points from the table to write the equation in the slope intercept form
Let's use the first point (0,3) Any point would give us the same answer.
We will use the x from the point which is 0 and use the y from the point which is 3. We will also use the slope of 3. We will plug all of these into the equation and solve for b or the y-intercept.
y = mx + b
3 = 3(0) + b
3 = 0 + b
3 = b
y = 3x + 3
Solve the inequality 3(x-2) + 12x + 2(x+2).
O A. x≤4
Co B. x2-5
C. no solution
OD. all real numbers
The inequality x > 0 , x all real numbers .
What do you mean by inequality?
The phenomena of unequal and/or unjust allocation of resources and opportunities among members of a certain society is referred to as inequality. Different persons and contexts may interpret the word "inequality" differently.The most notable instances of social inequality include those related to health care, social class, gender inequality, and wealth disparity.= 3(x-2) + 12x + 2(x+2)
= 3x - 6 + 12x + 2x + 4
= 12x + 2x + 3x -6 + 4
= 17x - 2
17x - 2 = 0
x = 2/17
x > 0 , x all real numbers ..
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**#5.) Use the diagram below to answer the questions.
Answer:
a) ∠13
b) ∠13
c) ∠2
Step-by-step explanation:
a) ∠ 8 + ∠13 = 180°
Co - interior angles are supplementary, when m // l
b) ∠5 ≅ ∠13
If m // l, the corresponding angles are congruent.
c) ∠5 + ∠2 = 180°
∠5 and ∠2 are co interior angles and they are supplementary if a // b.
At an amusement park, a new thrill ride was introduced. It costs $7.50 for 3 rides on the Wild Slider. a) What is the Wild Slider’s unit rate per ride? b) At this rate, what would it cost for 18 rides on Wild Slider? Determine the answer two different ways.
Answer:
The stadium’s seating options will include premium seats (boxes closest to the action), medium-priced seats, and budget-friendly bleachers. Your design calls for 4,500 upper-deck premium seats and 7,500 lower-deck premium seats. The team’s policy is to have a 3:2 ratio of premium seats to bleacher seats. How many bleacher seats will the stadium include?
Answer: 8,000 bleacher seats. 4,500 + 7,500 premium seats = 12,000. 12,000/x = 3/2. x = 8,000.
Dion received a paycheck for $800.00 and he wants to invest it in a savings account. A savings account at bank A earns 8% interest compounded monthly and a savings account at bank B earns 9% simple interest. If Dion plans to deposit the $800.00 and leave it in the account for 2 years, at which bank would he earn more interest? A. bank B B. The interest earned cannot be calculated from the given information. C. bank A D. The interest earned at both banks will be the same.
Answer:
A. Bank B
Step-by-step explanation:
First the formulae necessary to calculate compound and simple interest
P = principal = amount deposited
r = interest rate as a decimal (i% interest => r = i/100)
t = number of years
n = number of times compounded
[tex]\text{Compound Interest }= P\left(1 + \dfrac{r}{n}\right)^{nt} - P[/tex]
In this case, we have P = 800
r = 8/100 = 0.08
n = 12 since the interest is compounded monthly
t = 2 years
So compound interest
[tex]CI = 800\left(1 + \dfrac{0.08}{12}\right)^{12 \times 2} - 800\\\\CI = 800(1.00667)^{24} - 800\\\\\\CI = 938.31 - 800\\\\CI = $138.31[/tex]
For Bank B, the interest is calculated at 9% annually and the interest is given by the formula
SI = P x r x t
SI = 800 x 0.09 x 2 (r = 9%/100 = 0.09)
SI = $144.00
So depositing in bank B is preferred
Martha bought yards of fabric for $1.75 per yard. Which expressions could Martha use to find out how much her fabric will cost?
Answer:C = 1.75f
Step-by-step explanation:
C = Cost
F = Fabric in yards
Depending on the amount of fabric in yards she will buy that is the amount she spends.
The distance between Dallas and Austin on a map is about 9 centimeters. The map uses a scale in which 1 centimeter represents 20 miles. What is the actual distance between Dallas and Austin in miles?
help please
The actual distance between Dallas and Austin in miles is 180 miles.
What is Unit conversion?Conversion of units means to convert between different units of measurement for the same quantity. Example of units are - m, cm, litre.
Given is the distance between Dallas and Austin on a map is about 9 centimeters. The map uses a scale in which 1 centimeter represents 20 miles.
The maps use scale in order to depict large distances with very small length measurements. As mentioned in the question - 1 cm represents 20 miles. This scale shrinks 20 miles of distance into 1 cm
Distance between Dallas and Austin on a map - 9 cm
On map - 1 cm = 20 miles
Therefore, 9 cm will be equivalent to (9 x 20) or 180 miles.
Hence, the actual distance between Dallas and Austin in miles is 180 miles.
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