The rational numbers arranged on a number line will graduate from the highest to the lowest (left to right) as follows:
√16|-3|2/32.47x10⁻²-1/4What is a rational number?A rational number is defined in mathematics as the quotient or fraction p/q of two integers, a numerator p, and a non-zero denominator q. For example, −4/7 is a rational number, as is every integer.
Note that a number line is defined as a horizontal line with evenly spaced numerical increments.
To get the order in which the numbers must be arranged, the trick is to convert the number for which you have doubt into their decimal forms or d integer forms.
A) √16 = 4
B) 2/3 = 0.6
C) |-3| = 3 {Reason: Absolute Value of any number must be its positive equivalent]
D) 2.47 x 10^{-2} = 0.0247
E) -1/4 = -0.25
Hence rearranged in descending order (from highest to lowest) we have:
On the number line, the first nubmer from the left will be √16, followed by |-3|, and so on.
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Wally and drake both wanted to see the moons of jupiter. they each wanted to buy a telescope that sold for $62.48. together they had a total of $95. how much more money did they have left to save?
The amount of money Wally and Drake have left to save is equal to $29.96 if each one of them wanted to buy a telescope.
The amount of money left to be saved can be calculated by using an algebraic expression.
First, we determine the cost of two telescopes if each one of them wanted to buy a telescope to see the moons of Jupiter.
As the cost of one telescope is $62.48, the cost of two telescopes will be;
62.48 + 62.48 = 124.96
An algebraic expression can be given as;
95 + x = 124.96
where x is the money left to be saved.
Solving for x;
x = 124.96 - 95
x = 29.96
Hence, $29.96 is the amount left to be saved for each one of them to buy a microscope.
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C. Find the equation of a line passing through (2, 2) and having inclination 30º.
The equation of line is (y-2) = 1/[tex]\sqrt{3}[/tex](x-2)
What is Equation of line?
The equation of a line is the algebraic representation of a line using cartesian coordinates.
The general form of the equation of a straight line is written as y = mx + cy=mx+c.
Where m is the gradient of the straight line
and c is the y-intercept of the straight line.
And
The equation of line passing through point ([tex]x_{1}[/tex], [tex]y_{1}[/tex]) is
(y-[tex]y_{1}[/tex]) = m (x-[tex]x_{1}[/tex])
Given line in the graph passes through (2,2).
We have to find the equation of the line.
Given, angle of inclination is 30.
m = tan (angle of inclination)
m = tan 30
m = 1/[tex]\sqrt{3}[/tex]
Therefore after substituting, equation of line
(y-2) = 1/[tex]\sqrt{3}[/tex](x-2)
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Find the measure of each arc. For each arc, write two or more complete sentences explaining which theorem or postulate you used to find your answer. Include your equations and calculations in your final answer.
m arcPQR
In the illustration above, a circle with a few lines intersecting at various locations is shown. So, if we split the circle in half, the resulting semicircle has a vertical angle of 180 degrees. Since ∠ROP = 125°, ∠POS = 55° is obtained by taking 180° away from 125°. ∠POS and ∠QOR are equivalent terms. Also, ∠ROP = ∠QOS.
What is lines intersecting?
In a plane, intersecting lines are any two or more lines that cross one another. The point of intersection, which can be found on all intersecting lines, is where the crossing lines share a common point.
the characteristics of intersecting lines
The intersecting lines (two or more) never cross over at more than one location.
Any angle may be used to intersect the lines in any direction. Always larger than 0° and less than 180°, this angle is generated.
A pair of vertical angles are created by two intersecting lines. The vertical angles have the same vertex and are opposing angles (which is the point of intersection).
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Simplify.
3/2(x+3/4)−(x+1)
Answer:
x/2 + 1/8
Step-by-step explanation:
3/2(x+3/4) - (x+1)
3/2x + 9/8 - x -1
x/2 + 1/8
Help me. I'm so stinking confused.
Answer: There are 7 coffee shops per square mile
Step-by-step explanation:
1,400,000/100,000=14
14x17=238
238/34=7
2x - y = 7
Find the x and y intercept
please help, question is on the image.
The number of gigabytes Salma can use while staying in her budget is less than 4.
What is meant by the term inequality?In mathematics, an inequality is a connection between two expressions and values that aren't equal to each other.
Rule 1: Once inequalities are linked, they can be crossed. As a result, if an is greater than b and b is higher than c, a will be greater than c as well.Rule 2: When you swap the values, this same sign also flips.Rule 3: An inequality could be either > or, but not both at the same time.As per the given question;
The total budget of Salma is $75.
The flat cost is $55.
The cost per gigabytes is $5.
Let the number of gigabytes used be 'x'.
Then, the inequality becomes.
55 + 5x < 75
Subtracting 55 from both sides.
55 + 5x - 55 < 75 - 55
5x < 20
Divide both sides by the 5
x < 4
Thus, the number of gigabytes Salma can use while staying in her budget is less than 4.
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help i’m haveing a hard time
The result of the function f(x)=x+6 when x= -2,0 and 5 is
f(-2)= 4
f(0)= 6
f(5) = 11
The function is f(x) = x+6
The function is an expression that shows the relationship between one variable and another variable. One variable will be independent variable and another variable will be dependent variable.
The given function f(x) = x+6 when x =-2, 0 and 5. Here we have to substitute the values of x in the given function
f(x) = x+6
f(-2) = -2+6
= 4
f(0) = 0+6
= 6
f(5) = 5+6
= 11
Hence, the result of the function f(x)=x+6 when x= -2,0 and 5 is
f(-2)= 4
f(0)= 6
f(5) = 11
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Line G and lineH are complementary angles. If mlineG = (6x - 15)' and mlineH= (3r + 6)", find H
Since angle G and angle H are complementary angles, the value of x is 11 while angle H is equal to 39 degrees.
What is a complementary angle?A complementary angle can be defined as two (2) angles or arc whose sum is equal to 90 degrees (90°).
Mathematically, a complementary angle can be calculated by using this formula:
Q + R = 90°
Where:
Q and R are measure of the angles subtended.
Substituting the given parameters into the formula, we have;
(6x - 15)° + (3x + 6)° = 90°
9x - 9 = 90°
9x = 90 + 9
9x = 99
x = 99/9
x = 11
Next, we would determine the value of H:
H = 3x + 6
H = 3(11) + 6
H = 33 + 6
H = 39 degrees.
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Complete Question:
Angle G and angle H are complementary angles. If G= (6x-15)° and H= (3x+6)° find the x value and H
x^2+25 find a polynomial corresponding factored form
By using algebraic handling, the factored form of the polynomial is (x + i 5) · (x - i 5).
How to factor a quadratic equations
In this question we have the case of a quadratic equation of the form y = x² + b², the factored form of this polynomial consists in a equivalent form consisting in a product of simpler terms. There is a similar expression whose formula is:
x² - a² = (x + a) · (x - a)
Now we proceed to modify the expression into a factored form:
x² + 25 Givenx² - (- 25) - (- a) = ax² - [(- 1) · 25] (- a) · b = - a · bx² - i² · 25 Definition of complex number(x + i 5) · (x - i 5) Difference of squares / ResultsThe factored form of the polynomial x² + 25 is (x + i 5) · (x - i 5).
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After a 65% reduction, you purchase a new washing machine on sale for $224. What was the original price of the washing machine?
The original price was ___$
Answer:
$369.60
Step-by-step explanation:
65% = 0.65
1.00 + 0.65 = 1.65
$224 * 1.65 = $369.60
the original price was $369.60
Answer:
The original price was 640
Step-by-step explanation:
Let the price be x
100%-65%=35%
35%/100%*x=224
35x=22400
x=640
Sara is multiplying two factors; one is a whole number and one has two decimal places. She says the product could have one decimal place. Is she correct? Give an example and explain your reasoning.
In relation to the division of a whole number by a decimal, Sarah made an incorrect claim.
What is whole number ?A number without fractions or decimals is said to be entire. Whole numbers include 1, 10, and 1000 as examples.
What is decimal ?A decimal number is one that is made up of both integers and non-integers. Decimal numbers include 1.1, 2.2, and 100.234. A number with two digits following the decimal point is said to have two decimal places. Examples include 10.23 and 1.23
Assume that 2 is the entire number and that 2.23 is the decimal. The final value would be 4.46.
Assume that 100 is the entire number and that 2.23 is the decimal. The item is 223.
This demonstrates that having two decimal places on a product is not always necessary.
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this is my first question of my unit test sorry i cant give much
The answer is 876. Hope this helps.
Answer:
Option 2: 876
Step-by-step explanation:
[tex]\frac{13,140}{15} = 876[/tex]
a. Find the length of each side of the quadrilateral. What do you notice?
b. Find the slope of each side of the quadrilateral. What do you notice? Are any sides parallel or perpendicular?
c. Find the length of each diagonal (the segment that goes from one vertex to an opposite verter), What do you notice?
d. Find the slope of each diagonal. What do you notice?
(1. List the properties that you find, (Ex. Are all sides congruent? Perpendicular? Etc)
(a) The lengths of RE, EC, CT, and TR are 8, 13, 8, and 13, respectively.
(b) The slopes of RE, EC, CT, and TR are 0, not defined, 0, and not defined, respectively.
(c) The lengths of RC and ET are √233 and √233, respectively.
(d) The slopes of RC and ET are -13/8 and 13/8, respectively.
The quadrilateral RECT is a rectangle.
The vertices of the quadrilateral are R(1, 7), E(9, 7), C(9, -6), and T(1, -6).The length of the side RE is √[(1-9)² + (7-7)²] = 8.The length of the side EC is √[(9-9)² + (7-(-6))²] = 13.The length of the side CT is √[(9-1)² + (-6-(-6))²] = 8.The length of the side TR is √[(1-1)² + (-6-7)²] = 13.The length of the diagonal RC is √[(1-9)² + (7-(-6))²] = √233.The length of the diagonal ET is √[(9-1)² + (7-(-6))²] = √233.The slope of the side RE is (7-7)/(9-1) = 0.The slope of the side EC is (-6-7)/(9-9) = Not Defined.The slope of the side CT is (-6-(-6))/(1-9) = 0.The slope of the side TR is (7-(-6))/(1-1) = Not Defined.The slope of the diagonal RC is (-6-7)/(9-1) = -13/8.The slope of the diagonal ET is (-6-7)/(1-9) = 13/8.The sides RT and EC are equal in length and parallel to each other.The sides RE and TC are equal in length and parallel to each other.All the sides are perpendicular to their adjacent sides.Hence, we conclude that the quadrilateral RECT is a rectangle.To learn more about rectangles, visit :
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4p−5(p+6) Help plssss
Answer: -p - 30
Step-by-step explanation:
We will simplify the expression.
Given:
4p - 5(p + 6)
Distirubte the negative 5:
4p - 5p - 30
Combine like terms:
-p - 30
20 Words -> 2 Minutes
Find how long will it take to type 1650 words
Answer:
165 minutes
Step-by-step explanation:
Here is a list of ingredients needed to make 6 pancakes.
Flour 140 grams
Eggs 2
Milk 220 millilitres
Complete the list of ingredients needed to make 9 pancakes.
Answer:
Flour: 210 grams
Eggs: 3 Eggs
Milk: 330 milliliters
Step-by-step explanation:
First we need to find the amount of ingredients needed for One pancake
Flour:
140 grams / 6 pancakes = [tex]\frac{70}{3}[/tex]grams
Eggs:
2 eggs / 6 pancakes = [tex]\frac{1}{3}[/tex] eggs
Milk:
220 milliliters / 6 pancakes = [tex]\frac{110}{3}[/tex] milliliters
Now we just multiply them by 9:
Flour: [tex]\frac{70}{3} *9 = 210[/tex] grams
Eggs: [tex]\frac{1}{3}*9 = 3[/tex] eggs
Milk: [tex]\frac{110}{3}*9 = 330[/tex] milliliters
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Which point is located on the y axis iready
find the angles of this
Angles of ∠y is 45° and ∠x is 135°.
What are angles?An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are in the plane where the rays are located. The meeting of two planes also creates angles. We refer to these as dihedral angles.
Given Data
SRQ = 130°
∠R = 130°
As PR is the same line
So. angles of the line is 180°.
∠Y + ∠R = 180
∠y = 180 - 135
∠y = 45°
Now, PQ is the straight line
∠y +∠x = 180
∠x = 180-45
∠x = 135°
Angles of ∠y is 45° and ∠x is 135°.
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13. A jeweler wants to make a triangular pendant for a necklace using three pieces of wire. He
has two pieces of wire with lengths of 12 millimeters and 15 millimeters. Describe the possible
lengths for the third wire.
Jada cuts an 11 inch strip of paper into 5 equal parts, how many inches long is each part?
Answer:
2.2
Step-by-step explanation:
11 / 5 = 2.2 inches
Probability of an event
A class is made up of 10 boys and 10 girls. Half of the boys wear glasses. A student is selected at random from the class. What is the probability that the
student is a boy with glasses?
Write your answer as a fraction in simplest form.
Answer: ¼ or 25% or 0.25
Step-by-step explanation:
5 boys = 25% of the class
5/20
¼ or 25% or 0.25
A local pizza shop has a membership program for frequent buyers. The membership costs $25 per month and members get a discounted price of $1 per slice of pizza. Ava purchased a membership to this pizza shop. How much would Ava have to pay the pizza shop if she bought 18 slices of pizza this month? What would be the monthly cost for x slices of pizza? mx+b
The cost of 18 slices of pizza is $18.
The monthly cost for x slices of pizza is $25 + x
What is the monthly cost?The equation that represents the amount of money that Ava would have to pay when she buys 18 slices of pizza is a linear equation. A linear equation is an equation that has one variable raised to the power of one. The linear equation increases by a fixed amount. When drawn on a coordinate plane, a linear equation is a straight line.
The total monthly cost is a function of the membership fee, the cost per pizza and the number of pizzas bought.
The form of the linear equation is :
fx = mx + b
b = slope m = interceptTotal amount paid = membership fee + total cost of pizzas
Total amount paid for 18 pizzas = cost per pizza x number of pizzas bought
$18 x 1 = $18
Total monthly cost for x pizzas = membership fee + (discounted price x number of pizzas bought)
$25 + ($1 x x)
$25 + $1x = $25 + $1x
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A new car worth $21,000 is depreciating in value by $3,000 per year. After how many years will the car's value be $3,000?
After__years, the car's value will be $3,000.
Answer:
After 6 years, the car's value will be $3000=================
GivenInitial value = $21000,Depreciation rate = $3000 per year.To findNumber of years to reach $3000 in value.SolutionThis is a linear relationship, with initial value being the y-intercept and depreciation rate being the slope of the line:
y = 21000 - 3000x, where y- the value of the car after x years.Since y = 3000, plug it in and find the value of x:
3000 = 21000 - 3000x3000x = 21000 - 30003000x = 18000x = 18000/3000x = 6ANOW is rotated 90° about the origin.
Draw the image of this rotation.
The rotation of the triangle is shown with the new coordinates N' = (3, -7), O' = (-4,-5) and W' = (-1, -1).
What are coordinates?A pair of numbers that use the horizontal and vertical separations from the two reference axes to describe a point's location on a coordinate plane. Typically represented by the x-value and y-value pair (x,y).So, a point (x, y) becomes (-y, x) if it is rotated 90° anticlockwise with respect to the origin.
Since, N = (-7, -3) ⇒ N' = (3, -7)O = (-5, 4) ⇒ O' = (-4,-5)W = (-2, 1) ⇒ W' = (-1, -1)(Refer to the image attached below)
Therefore, the rotation of the triangle is shown with the new coordinates N' = (3, -7), O' = (-4,-5) and W' = (-1, -1).
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Which of the contexts below could not be modeled by an exponential function?
A music service has a fixed monthly cost and charges $0.75 for each downloaded
song.
A town's population shrinks at a rate of 4.2% every year.
A population of 200 bacteria triples every week.
A radioactive compound decays at a rate of 10% per hour.
Answer:
The music service one
What is the area of the gable if it is a triangle with two sides of 81 feet that meet at a 112° angle?
The area of the gable if it is a triangle with two sides of 81 feet that meet at a 112 degrees angle is 3041.22 square feet
The two sides of the triangle=81
AB=AC=81 feet
∠A=112 degrees
∠BAD=∠DA =56 degrees
Here we have to use trigonometric functions
To find the height of the triangle we have to use the cos function
cos θ=Adjacent side/Hypotenuse
cos 56=Height/81
Height=81×cos 56
=45.29 feet
To find the length of the DC, we have to use the sine function
sin θ=Opposite side / Hypotenuse
sin 56=Base / 81
Base DC=81×sin 56
=67.15 feet
The base of the triangle BC=BD+DC
=67.15+67.15
=134.3 feets
The area of the triangle=(1/2)×b×h
Where b is the base and h is the height
=(1/2)×134.3×45.29
=3041.22 square feet
Hence, the area of the gable if it is a triangle with two sides of 81 feet that meet at a 112 degrees angle is 3041.22 square feet
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The coordinates of the endpoints of line segment se are s(-7,3) and e(2,-6). if point m is on se, what are the coordinates of m such that sm:me is 1:2?
By applying the section formula between three points A, C and B we find that the coordinate of m is ( -4, 0)
Let's suppose we have a line on which we have 3 linear dots A, C, and B respectively, in this we have to use the section formula,
Where A = x1, y1
B = x2, y2
C = m:n
According to the section formula
C = (mx2 = nx1) / m+n * (my2 + ny1) / m+n
Sm/ Me = 1/2
Using section formula :
the coordinates of m = (2-14)/1+2 , (-6+6) / 1+2
the coordinates of m = ( -12/3 , 0/3)
the coordinates of m = ( - 4 , 0 )
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A plane flew at a constant speed between Boston and Philadelphia. An equation relating the distance traveled in miles, d, to the number of hours flying, t, is d=350t. How long will it take the airplane to travel 280 miles?
Based on the equation that relates the distance traveled by the plane going from Boston to Philadelphia, the time it would take for the plane to travel 280 miles is 48 minutes
How to find the time taken?You can use the formula given to find the amount of time taken by the plane to travel 280 miles.
The formula is;
d=350t
distance travelled = 350 x time
Solving for time taken gives;
280 = 350 x time
Time = 280 / 350
Time = 0.8 hours x 60 minutes per hour
Time = 48 minutes
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Jill wants to rent a car. Rental Company A charges $40 per day plus $0.10 per mile driven. Company B charges $35 per day plus $0.15 per mile driven. After how many miles driven will the price charged by each company be the same?
Considering the definition of an equation and the way to solve it, after 100 miles driven the price charged by each company will be the same.
Definition of equationAn equation is the equality existing between two algebraic expressions connected through the equals sign in which one or more unknown values appear in addition to certain known data.
The solution of a equation means determining the value that satisfies it. In this way, by changing the unknown to the solution, the equality must be true.
To solve an equation, keep in mind:
When a value that is adding, when passing to the other member of the equation, it will subtract.If a value you are subtracting goes to the other side of the equation by adding.When a value you are dividing goes to another side of the equation, it will multiply whatever is on the other side.If a value is multiplying it passes to the other side of the equation, it will pass by dividing everything on the other side.This caseBeing "x" the number of miles driven, and knowing that:
Rental Company A charges $40 per day plus $0.10 per mile driven. → Price of company A= 40 +0.10xRental Company B charges $35 per day plus $0.15 per mile driven. → Price of company B= 35 +0.15xThe price charged by each company is the same,the equation is:
Price of company A= Price of company B
40 +0.10x= 35 +0.15x
Solving:
40 - 35= 0.15x - 0.10x
5= 0.05x
5 ÷ 0.05= x
100= x
Finally, after 100 miles driven the price charged will be the same.
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