Measure of angle 2 i.e. m∠2 = 130°
What is measurement of an angle ?The measurement of angle is the degree of that angle or we can also say that the angles are always measured in degree. In geometry, the complete one revolution of four quadrants is of 360 degrees (360°) and divided into total of 360 parts where each part of this represents a degree.
How to find angle measurement ?As stated above there are total 360 parts in one revolution thus thus we can find value of particular angle by subtracting the angle from 360 or 180 for a straight line.
In the question,
Let given angle is ∠8.
Given, ∠8 = 50°
Now, according to vertical angle property
∠5 = ∠8
therefore, ∠5 = 50°
Also, ∠5 = ∠4 = 50° (alternate interior angles)
As, ∠4 and ∠2 are supplementary angles
Hence, ∠4 + ∠2 = 180°
50° + ∠2 = 180°
∠2 = 130°
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The complete question is :
Find measure m∠2
Augusto has 3 pockets and 4 different coins. In how, many ways can he put one coin in each pocket?
Augusto has 24 ways to put one coin in each pocket.
Permutation:
Permutation is the way arranging the objects or numbers in order.
It can be calculated using the formula,
ₙPₓ = n!/(n - x)!
where,
ₙPₓ = number of combinations
n = total number of objects in the set
x = number of choosing objects from the set
Given,
Augusto has 3 pockets and 4 different coins.
Here we need to find how many ways can he put one coin in each pocket.
We know that,
Augusto has 4 different coins that he is choosing 3 at a time.
So, it can be written as,
The number of ways to put one coin in each pocket is the permutation of 4 coins taken 3 at a time.
Therefore, the number of permutations is calculated as,
=> ₄P₃ = 4! / (4 - 3)!
=> ₄P₃ = 4! / 1!
=> ₄P₃ = 4 x 3 x 2 x 1
=> ₄P₃ = 24
Therefore, there are 24 ways to put one coin in each pocket.
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How do you find and write y=x+17 in slope intercept form?
Answer:that is already in slope intercept form
Step-by-step explanation:
Answer:
y = x + 17
Step-by-step explanation:
Given equation,
→ y = x + 17
Now we have to,
→ write it in slope-intercept form.
The slope-intercept form,
→ y = mx + b
Let's solve the given problem,
→ y = mx + b
→ y = x + 17
(It's already in slope-intercept form)
Hence, the answer is y = x + 17.
Solve each system by elimination or substitution.
-x + 5y = 3 , 2x - 10y = 4
The given system of equations do not have a solution since their related line equations have the same slope.
The given system of equations is:
-x + 5y = 3 .......... (1)
2x - 10y = 4 ........(2)
In Equation (1), add both sides by (-5y)
-x + 5y + (-5y) = 3 + (-5y)
-x = -3 - 5y
Multiply by (-1)
x = 3 + 5y
Substitute x = 3 + 5y into equation (2)
2x - 10y = 4
2.(3 + 5y) - 10y = 4
6 + 10y - 10y = 4
6 = 4 (False)
Since the last equation is false, we might suspect that the given system of solution does not have solutions.
We need to check the slope of both equations:
-x + 5y = 3
⇒ 5y = x + 3
⇒ y = 1/5 x + 3/5
2x - 10y = 4
⇒ -10 y = -2x + 4
⇒ y = (2/10) x - 4/10
⇒ y = 1/5 x - 2/5
We can see that both equations have the same slope, i.e. 1/5.
Hence, they do not have solutions since the lines are parallel to each other.
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can you answer this?
(i) 6 litres = 6000 cm³
(ii) The rate at which the water is now flowing from the tap is 50cm³/second
Calculating rateFrom the question, we are to convert the given value in litres to cm³
(i) We are to determine the value of 6 litres in cm³
NOTE: 1 litre = 1000 cm³
Thus,
6 litres = 6 × 1000cm³
= 6000 cm³
(ii)
From the given information,
It takes 60 seconds to fill a 6 litre watering can from the tap
That is,
At a rate of 6000 cm³ per 60 seconds
Now,
The rate at which water flows from the tap is halved
Then,
The new rate will be
6000/2 cm³ per 60 seconds
= 3000 cm³ per 60 seconds
Thus,
The new rate is 3000/60 cm³/second
= 50 cm³/second
= 50cm³/second
Hence, the rate at which the water is now flowing from the tap is 50cm³/second
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A construction crew is lengthening a road that originally measured 12 miles. The crew is adding one mile to the road each day. Let L be the length (in miles) after D days of construction. Write an equation relating L to D.
The equation relating L to D will be L = 12 + D.
How to illustrate the equation?From the information, the construction crew is lengthening a road that originally measured 12 miles and the crew is adding one mile to the road each day.
Let L be the length (in miles) after D days of construction.
Therefore, the equation will be:
L = 12 + D
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A data set includes the following numbers: 5/4, 1 3/4, 72% and 3.48.
Part A: What is the order of numbers from least to greatest? Write your answers using the numbers in their original form.
Part B: Did you use estimation or rewrite the numbers in equivalent form?
(Please use a step-by-step explanation)
The numbers from least to greatest is 72%, 5/4. 1 3/4. 3.48
What is the order of the numbers?To order a number from least to greatest, the numbers would be arranged in ascending order. The farther a positive number is from zero on the number line, the greater the number is. For example, 100 is greater than 1.
The numbers are not written in equivalent forms. Some are written as improper fractions, percentages, decimals and mixed fractions.
An improper fraction is a fraction where the numerator is greater than the denominator. A mixed fraction is a non-integer that is made up of a whole number and a proper fraction. Percentages are numbers written as a quantity out of 100. A decimal is a number that is made up of integers and non-integers.
To order the numbers, all the numbers would be converted to decimals:
5/4 = 1.25
1 3/4 = 1.75
72% = 72/100 = 0.72
The numbers from least to greatest is: 72%, 5/4. 1 3/4. 3.48
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Every Saturday, 10 friends play dodgeball at a local park. To pick teams, they randomly draw cards with consecutive integers from 1 to 10 . Odd numbers are on Team A, and even numbers are Team B. What is the probability that a player on Team B has drawn the number 10 ?
Lydia buys 5 pounds of apples and 3 pounds of bananas for a total of $8.50. Ari buys 3 pounds of apples and 2 pounds of bananas for a total of $5.25. This system of equations represents the situation, where x is the cost per pound of apples, and y is the cost per pound of bananas.
5x + 3y = 8.5
3x + 2y = 5.25
If you multiply the first equation by 2, what number should you multiply the second equation by in order to eliminate the y terms when making a linear combination?
Complete the multiplication and add the equations. What is the result?
What is the price per pound of apples? $
What is the price per pound of bananas? $
Answer: The price per pound of apples is $ 1.25 and the price per pound of bananas is $ 0.75.
Step-by-step explanation: Given that lydia buys 5 pounds of apples and 3 pounds of bananas for a total of $8.50 whereas Ari buys 3 pounds of apples and 2 pounds of bananas for a total of $5.25.
We are to find the price per pound of apples and bananas.
The cost per pound of apples is represented by x dollars and the cost per pound of bananas is represented by y dollars.
Then, according to the given information, the system of equations describing the situation is as follows:
Multiplying equation (i) by 2, we have
and multiplying equation (ii) by 3, we have
To eliminate y, we subtract equation (iv) from equation (iii) and we arrive at
From equation (i), we get
Thus, the price per pound of apples is $ 1.25 and the price per pound of bananas is $ 0.75.
Answer:Bro the answer is price per pound of apples is $1.25
and the price per pound of bannanas is $0.75
Write the equation of the circle that passes through the given point and has a center at the origin. (Hint: You can use the distance formula to find the radius.) (-5,0)
The equation of the circle that passes through the point (-5 , 0) and has a center located at the origin is x^2 + y^2 = 25
Using the distance formula, get the radius of the circle by solving for the distance between the center and the point (-5 , 0).
radius = distance = √(x2 - x1)^2 + (y2 - y1)^2
radius = √(-5 - 0)^2 + (0 - 0)^2
radius= √25
radius = 5
The standard form of the equation of the circle is given by (x - h)^2 + (y - k)^2 = r^2, where (h , k) is the location of the center and r is the radius of the circle.
Given the radius and center of the circle, substitute these values to the standard form of the equation of the circle.
(x - h)^2 + (y - k)^2 = r^2
where (h , k) = (0 , 0)
r = 5
(x - 0)^2 + (y - 0)^2 = 5^2
x^2 + y^2 = 25
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7. Sound travels through air at 330 meters per second. How long will it take a bat's cry to reach its prey and echo back if the prey is 1 meter away? Round to the nearest thousandth of a second. (please show how you got the answer)
It will take 0.006 seconds for bat's cry to reach its prey and echo back.
What is Sound?Sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid.
Given is the speed of sound which is 330 m/s. The prey is 1 meter away from the bat.
The time it takes a bat's cry to reach its prey and echo back can be calculated using the formula -
time = distance / speed
The distance covered by the sound as it reaches the prey and echo back is equal to 2 x 1 = 2 meters.
Speed of sound → 330 m/s.
So, the time taken will be -
t = 3/330
t = 0.006 s
Therefore, it will take 0.006 seconds for bat's cry to reach its prey and echo back.
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For f(x)=-4 x+1 , what is the output for the given input?
a. -2
f (5) = -7 is the output for the given input .
How can you tell whether a function is linear or not?
Looking at a function's graph will reveal if it is linear or not with the greatest ease.When a linear function is plotted on a graph, a straight line is formed. A nonlinear function is curved in some way; it does not form a straight line.f(x)= -4 x+1
Put x = -2 ⇒ - 4 × -2 + 1
⇒ - 8 + 1
⇒ - 7
Therefore f (5) = - 7
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teh equation y=mx+b goes through the points (4,-1) and (8-7) what is the value of m
Answer:-1.5
Step-by-step explanation:
Write the equation of each line in slope-intercept form and identify the slope.
4 x=2+y
The equation of the line 4x = 2 + y expressed in slope-intercept form is y = 4x - 2 with a slope equal to 4.
The equation of a line can be expressed in three different forms: standard form, slope-intercept form, and point-slope form.
The slope-intercept form of the equation of a line is given by the formula:
y = mx + b
where m is the slope of the line
b is the y- intercept
Given the equation of the line 4x = 2 + y, express it in slope-intercept form by isolating the variable y in one side.
4x = 2 + y
y = 4x - 2
Hence, the equation of the line in slope-intercept form is y = 4x - 2 where the slope, m, is equal to 4.
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Find the eighth term of each geometric sequence. 10,5,2.5, . . . . .
The eighth term of the given geometric sequence is: [tex]\frac{5}{64}[/tex]
What is a geometric progression?A geometric progression, sometimes referred to as a geometric sequence in mathematics, is a series of non-zero numbers where each term following the first is obtained by multiplying the preceding one by a constant, non-zero value known as the common ratio.
Given: 10, 5, 2.5, ...
Here, [tex]\frac{5}{10}=\frac{2.5}{5}=\frac{1}{2}[/tex]
Thus, the given geometric sequence has a₁ = 10 and r = 1/2
The nth term of a geometric sequence is given by: [tex]a_n=a_1(r^{n-1})[/tex]
For n = 8, a₈ = [tex]\frac{10}{2^7}=\frac{5}{2^6} = \frac{5}{64}[/tex]
Hence, The eighth term of the given geometric sequence is: [tex]\frac{5}{64}[/tex]
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Write an explicit formula for each geometric sequence. Then find the first three terms. a₁ =1, r=2
FA recursive formula allows us to find each term in the geometric sequence using the previous term. Each new term is the product of the common ratio for that sequence and the previous term of that unknown or to-be-found term. If the common ratio is 9, each term is nine times the previous term.
The general term for the geometric sequence is
an= a1 * r ^ (n-1)
Where "an" refers to the nth term of the sequence, a1 is the first term known as the sequence, and r is the common ratio, n is its position or the number.
Now the term is,
where a₁ = 1 and r = 2
Sequence: 1, 2, 4, 8, 16, ....
3rd value: 4
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Write an equation of each line in standard form with integer coefficients.
the line through (2,3) and (4,5)
The equation of the line in standard form passing through the points (2 , 3) and (4 , 5) is x - y = -1.
The equation of a line can be expressed in three different forms: standard form, slope-intercept form, and point-slope form.
The standard form of an equation of a line is expressed as ax + by = c, where a and b, if all possible must be integers, are the coefficients of variable x and y, respectively, and c is a constant.
Given two points, (2 , 3) and (4 , 5), use the two-point form to generate the equation of the line.
y - y2 = [(y2 - y1)/(x2 - x1)] (x - x2)
y - 5 = [(5 - 3)/(4 - 2)](x - 4)
y - 5 = (2/2)(x - 4)
y - 5 = x - 4
To write the equation in standard form, arrange the variable(s) in one side and the constant(s) in the other.
y - 5 = x - 4
x - y = -5 + 4
x - y = -1
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The length and width of a rectangle are consecutive odd integers. The perimeter of the rectangle is 96 centimeters. Find the length and width of the rectangle.
Width = centimeters Length = centimeters
Answer:
23 cm, 25 cm
Step-by-step explanation:
Let the Width be W cm.
Since the Length and Width are consecutive odd integers we know that the length:
Length = (W + 2) cm
Perimeter of Rectangle = Sum of all sides = 2 x Length + 2 x Width
So rewriting the perimeter , we have:
2W + 2(W+2) = 96 cm
Now lets solve for W to get the width.
2W + 2W + 4 = 96 cm
4W + 4 - 4 = 96 - 4
4W = 92 cm
W = 23 cm
Next, we know that the length = (W + 2) cm
Therefore the length = 23 + 2 = 25 cm
Find the value of x to the nearest tenth. 1086/π = x
x = 345.54545454 is the value of x to the nearest tenth. 1086/π = x
What is π ?
The circumference to diameter ratio of any circle is known as pi, and it is represented by the Greek letter p, or. No matter how big the circle is, this ratio will always be equal to pi. The value of pi in decimal notation is around 3.14.Why is pi so important?
It is a number that is just a little bit larger than three and represents the ratio of a circle's circumference to its diameter. We can better comprehend our cosmos thanks to the constant. A new idea for measuring angles and a new unit of measurement were both inspired by the definition of.1086/π = x
Put value of π = 22/7
1086/22/7 = x
x = 49.363636 × 7
x = 345.54545454
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PLS HELP I NEED THIS ASAP
Answer:
Slope is -2/5
Step-by-step explanation:
m = (y2 - y1)/(x2 - x1)
I used points (5,-3) (-10,3)
Please solve these 2 questions. (Show work and get 70 points)
The number of bandages made from the fabric is 35 and the number of hours traveled is 14 hours
The number of bandages made from the fabricThe given parameters are
Area of a bandage = 2 4/5 square inches
Area of fabric = 98 square inches
The number of bandages made from the fabric is calculated as
n = Area of fabric/Area of a bandage
This gives
n = 98/(2 4/5)
Evaluate
n = 35
Hence, the number of bandages made from the fabric is 35
The number of hours traveledHere, we have
Speed = 3 1/3 miles per hour
Distance = 46 2/3 miles
The number of hours traveled is calculated as
Time = Distance/Speed
So, we have
Time = (46 2/3)/(3 1/3)
Evaluate
Time = 14
Hence, the number of hours traveled is 14 hours
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PLEASE ANSWER THIS ASAP I NEED THE ANSWER ASAP!!
The relationship between 5 tablespoons of cocoa per 2 cups of milk is proportional(multiplicative). Let's represent the amount of tablespoons of cocoa we need for 1 cup of milk with x.
We can divide 5 by 2 in order to get x tablespoons for 1 cup of milk.
5 / 2 = 2.5
So, you need 2.5 tablespoons of cocoa for 1 cup of milk :)
Simplify each expression. 5(a-2 b)-3(a-2 b)
The simplification of the given expression 5(a -2b) -3(a -2b) is
2(a - 2b).
According to the given question.
We have an expression 5(a -2b) -3(a -2b).
As we know that, the simplification of an expression means to write an equivalent expression which contains no similar terms.
Therefore, the simplificantion of the expression 5(a -2b) -3(a -2b) is given by
5(a -2b) -3(a -2b)
= 5a - 10b - 3a + 6b (by distributive rule)
= 5a -3a -10b + 6b
= 2a -4b (adding and subtracting the like terms)
= 2(a - 2b)
Hence, the simplification of the given expression 5(a -2b) -3(a -2b) is
2(a - 2b).
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The price of a gallon of unleaded gas was 2.90 yesterday. Today, the price fell to 2.85 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.
Answer:
it decreeased by 1.7% rounded to the nearest tenth
Which of the choices shows the values arranged from least to greatest.
Answer:
C (Third one) -6, -10/3, 1/4, Sqr6, 3.9
Step-by-step explanation:
-6 = -6
-10/3 = -3.33333333
1/4 = 0.25
Sqr6 = 2.4494...
3.9 = 3.9
Pls help I'll mark brainliest and it's 20 points, very important!
Melanie wants to rent a bike on her vacation for less than $50. At Mike's Bike Shop, she can rent a bike for $8 per hour plus a $6 flat fee. Any portion of an hour is charged as a full hour.
The inequality that represents this situation is 8h+6<50, where h represents the number of hours Melanie rents the bike.
What does the solution for the inequality mean in relation to the situation
The solution h<5.5 means that Melanie can rent the bike for no more than 5.5 hours.
he solution h<7 means that Melanie can rent the bike for no more than 7 hours.
The solution h<5.5 means that Melanie can rent the bike for no more than 5 hours.
Answer:
The solution h < 5.5 means that Melanie can rent the bike for no more than 5.5 hours.
Hope this helps :)
Explanation and Check part below.
Step-by-step explanation:
1. Isolate the variable by doing the inverse operation which is in this case subtracting 6 on bothsides of the equation.
8h + 6 < 50
- 6 - 6
8h < 44
2. Dive both sides of the equation by 8.
8h < 44
--- ----- <--------- fraction bar, divide
8 8
h < 5.5
please help me! This is really hard!
The set of numbers that are written in order from least to greatest is: 15.75, √250, 4², 50/3, 16.7 x 10³.
Which number goes from lowest to highest?You need to solve for the quantities given to see which numbers are the smallest and which are the largest.
15.75 = 15.75
√250 = 15.8
4² = 16
50 / 3 = 16.7
16.7 x 10³ = 16,700
The order from least to greatest is therefore:
15.75, √250, 4², 50/3, 16.7 x 10³.
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Please help and give me the answer and explanation could not figure this one out.
The polynomial function f(x) = (x - a)(x - b) is a quadratic function and values of a and b are 1 and - 1 respectively.
What is a polynomial?A polynomial is an algebraic expression that consists of variables and constants connected by arithmetic operations.
Given the polynomial function f(x) = (x - a)(x - b) and if we observe the graph we can see that the polynomial has two roots,
one at x = 1 and another at x = -1.
If x = 1 is a root of this polynomial we can write this in factor form as.
x = 1.
x - 1 = 0
And
x = -1.
x + 1 = 0.
∴ f(x) = (x - 1)(x + 1).
f(x) = x² - 1², So it is a quadratic function.
∴ Values of a and b are 1 and - 1.
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Solve using Gaussian elimination.
−4x−2y−4z=−24
3x−2y+5z=31
2x+4y−3z=−9
A) 4 / -2 / 3
B) 4 / 2 / 3
C) -2 / 3 / 4
D) 2 / 3 / 4
Answer:
4 / -2 / 3
Step-by-step explanation:
Determine whether each set of numbers can be the measures of the sides of a triangle. If so, classify the triangle as acute, obtuse, or right. Justify your answer.
44,46,91
The following set of numbers, 44, 46, and 91, cannot be the measures of the sides of a triangle.
A triangle is a polygon with three sides and three vertices.
To know if a set of number is a valid measure of the sides of a triangle, it must follow the Triangle Inequality Theorem which states that the sum of any two sides must be greater than the third side, such that a + b > c, a + c > b, and b + c > a.
let a = 44, b = 46, and c = 91
a + b > c 44 + 46 > 91 90 > 91 False
a + c > b 44 + 91 > 46 135 > 46 True
b + c > a 46 + 91 > 44 137 > 44 True
If at least one of these three statements is not true, then the set of numbers is not a valid measure of the sides of a triangle.
Hence, the set of numbers 44, 46, and 91 can not be the measure of the sides of a triangle.
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Can someone help me with this I don't understand this. :(
Answer:
See the attached photos for help!
Step-by-step explanation:
I also recommend looking up desmos graphing calculator to actually see the graphs!
If you need more in depth assistance on this, feel free to let me know :]