Answer:
Circumference of a circle-
2 x Pi x Radius
2x Pi x 4
8Pi
ANSWER-8Pi
Hope it Helps!!
Multiply. Write your answer as a decimal.
-0.05 × (-0.5)
The solution for the given decimal multiplication is 0.025.
What are decimal numbers and how do you multiply them?To multiply two decimal numbers, first multiply the values without the decimal points.
The digits in the factors that follow the decimal point should now be added together.
Following that, the dot should be placed in the product so that it has the same number of digits as the total number of factors.
If there are more decimal places than digits in the number, place zeroes immediately after the dot.
If there are more decimal places present compared to digits in the product, fill the decimal places with zeroes immediately after the dot.
For the given question, multiply -5 * -5 = 25
Now the total digits after the decimal point in factors are 3.
But there are only 2 digits in 25.
So fill the decimal place with a zero.
Therefore the product of given decimal numbers is 0.025.
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Which of the following represents a tragedy of the commons?
Plastic trash in the neighborhood park
Two hospitals for the town's residents
Leaves piled in a person's backyard
Plenty of food at a local market
Two hospitals for the town's residents represents a tragedy of the commons. Hence, option B is correct.
What is tragedy of the commons?The phrase "tragedy of the commons" describes a situation in which people who have access to a shared resource, also known as a common, act selfishly and ultimately deplete the resource. British author William Forster Lloyd initially conceived of this economic theory in 1833.
The Tragedy of the Commons, first proposed in 1968 by American ecologist Garret Hardin, is a scenario in which common environmental resources are overused, abused, and eventually exhausted, bringing risks to all parties concerned.
Thus, option B is correct.
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What is the properties of (10c - 4) + 11d?
Answer:
10c-4+11d Welcome :D
Step-by-step explanation:
3. Find the volume of the child's toy shown below. Use 3.14 for π Round all answers to 1 decimal place.
Volume of the top solid: ________
Volume of the bottom solid: _________
Volume of the entire toy: _________
The total volume of the toy is 497.4192cm³ with 340.3392 cm³ being the volume of the top solid and 157.08 cm³ being the volume of the bottom solid.
What is volume?Volume is the quantity of space a thing occupies, whereas capacity is a measure of the substance it can store, such as a solid, a liquid, or a gas.
While capacity can be measured in virtually any other unit, such as liters, gallons, pounds, etc., volume is measured in cubic units.
So, the volume of the cone:
V = πr²h/3
Now, invert values:
V = π5²*13/3
V = 340.3392 cm³
The similar, volume of a cylinder:
πr²h
Now, insert values as follows:
πr²h
π5²2
V = 157.08 cm³
Total volume: 340.3392 cm³+157.08 cm³ = 497.4192cm³
Therefore, the total volume of the toy is 497.4192cm³ with 340.3392 cm³ being the volume of the top solid and 157.08 cm³ being the volume of the bottom solid.
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Ed’s birthday is less than 16 days away.
Part A
Ann writes the inequality d ≤ 16, where d equals the number of days, to represent this scenario.
Choose the best explanation for Ann’s error.
A.
Ann should have used 16d because it is less than 16 days away. B.
Ann should have switched the inequality symbol to greater than or equal to. C.
Ann should have switched the inequality symbol to not include 16 as a possible choice. D.
Ann should have used the not equals sign to compare the two sides of the inequality.
Part B
Select the correct inequality symbol to complete the inequality.
d
Choose...
16
Ann should have switched the inequality symbol to not include 16 as a possible choice. The correct answer would be an option (C).
What is inequality?Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.
As per the question, we have been given that Ed's birthday is less than 16 days
away and that Ann writes the inequality
d ≤ 16, where d equals the number of days, to represent this.
Thus, He should have switched the inequality symbol to not include 16 as a possible choice.
Hence, the correct answer would be an option (C).
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The number of CD's sold since April 8 at a music store can be
modeled by the function N(d) = 12d +35 and the price per
CD can be modeled by P(d) = 0.3d2 - d+5, where d is
the number of days since April 8.
of revenue
According to this model, what is the total amount of rev
generated by the store's CD sales on April 18?
The markup, expressed as a percentage of the cost, is the difference between the selling price and the product's cost.Markup on selling price is 27 %.
How do you calculate markup on selling price?The markup, expressed as a percentage of the cost, is the difference between the selling price and the product's cost.The gross profit of a unit is determined by subtracting its cost to produce or acquire for resale from its sales price to determine the markup percentage.
Below, you'll find various possible formats for the markup formula or equation.
The selling price given as = $ 15
The cost per CD is = $ 11
The total profit = Selling price - Cost
Total profit per CD = $ 15 - $ 11
Total profit per CD = $ 4
The markup on selling price is calculated as - Total profit ÷ Selling price × 100
Markup on selling price = $ 4 ÷ $ 15 × 100 =26.6666 % or 27 %.
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How many 5 card hands are possible with a 52-card deck?
How many 5-card hands are possible with a 52-card deck?
Answer:
Only 10, there will still be 2 cards left though.
Step-by-step explanation:
You're welcome.
Write an equation of the line that passes through each pair of points (9,2) (-2,6)
y = (-4/11)x + 5.27 is the equation that passes through each pair of points (9,2) (-2,6).
What is equation?A group of numbers and variables without an equal sign are known as a numerical expression. A set of numbers and variables with an equal sign is referred to as an equation.
Once you are familiar with these terms, you will realise that an equation is just two expressions joined by an equal sign. You can also write expressions, equations, and simplify equations.
To find an equation of the line that passes through each pair of points (9,2) (-2,6) we need to find slope and convert it to y-intercept form
Slope formula = y - y₁ = m(x - x₁)
Putting the values in the formula we get
2 - 6 = m(9 - (-2))
-4 = m(11)
m = -4/11
As we have found slope, we can find the slope intercept form i.e.
y - 2 = -4/11(x -9)
y = (-4/11)x + 3.27 + 2
y = (-4/11)x + 5.27
Thus, y = (-4/11)x + 5.27 is the equation that passes through each pair of points (9,2) (-2,6)
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Important
Given AABC ~ ADE F, determine the following information.
Determine the measure of LB. Show the work that leads to your answer.
Determine the length of EF. Show the work that leads to your answer.
Answer:
m∠B = 83°
EF = 10
Step-by-step explanation:
Two triangles are similar if their corresponding angles are the same size.
Therefore if ΔABC ~ ΔDEF then:
∠A ≅ ∠D = 24° ∠B ≅ ∠E∠C ≅ ∠F = 73°Interior angles of a triangle sum to 180°:
⇒ m∠A + m∠B + m∠C = 180°
⇒ 24° + m∠B + 73° = 180°
⇒ m∠B + 97° = 180°
⇒ m∠B = 83°
In similar triangles, corresponding sides are always in the same ratio.
Therefore if ΔABC ~ ΔDEF then:
⇒ AB : DE = BC : EF = CA : FD
⇒ 12 : DE = 8 : EF = 16 : 20
Therefore, to find the length of EF:
[tex]\implies \sf 8 : EF = 16 : 20[/tex]
[tex]\implies \sf \dfrac{8}{EF} = \dfrac{16}{20}[/tex]
[tex]\implies \sf 8 \cdot 20= 16 \cdot EF[/tex]
[tex]\implies \sf160= 16 \cdot EF[/tex]
[tex]\implies \sf EF=\dfrac{160}{16}[/tex]
[tex]\implies \sf EF=10[/tex]
The price of a technology stock has risen to $9.62 today. Yesterday's price was $9.55. Find the percentage increase. Round your answer to the nearest tenth of a percent.
Answer:
0.73%
Step-by-step explanation:
First of all subtract the 2 values
9.62 − 9.55 = 0.07
then use this value and find the percentage from the original price which was 9.71 so 0.07/9.55 x 100
percentage increase is
0.73%
Identify the value of x that makes each pair of ratios equal
5:15 and x:3
The ratio for 5 / 15 based on the information is 1:3. The value of x is 1.
How to illustrate the ratio?Ratio in Mathematics simply demonstrates how many times one number can be able to fit into another number. It should be noted that ratios contrast two numbers by dividing them. In this case, A/B will be the formula if one is comparing one variable (A) to another variable (B).
This simply indicates that you're dividing the variable A by B. Let us say for instance, the ratio will be 3/10 if A is 3 and B is 10.
The ratio for 5 / 15 will be:
= 5 / 15
= 1 / 3
= 1:3
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Joey wants to buy several tickets to the next Jastin Timberlake concert. Each ticket will cost $150. Create a table of values to show the cost of buying up to 5 tickets. Show your work in the box
Ticket #1 ║ Ticket #2 ║ Ticket #3 ║ Ticket #4 ║ Ticket #5
$150 $300 $450 $600 $750
Step-by-step explanation:
The table shows tickets #1-5, but if you want to go up to tickets #6 and #7, then Ticket #6 would be $900, and Ticket #7 would be $1,050. Due to each ticket being equivalent to $150, you get your answer by adding 150 for each ticket or multiplying 150 × 7.
Which of the following equations are equivalent? Select three options. 2 + x = 5 x + 1 = 4 9 + x = 6 x + (negative 4) = 7 Negative 5 + x = negative 2
The following equations are equivalent:
2 + x = 5
x + 1 = 4
Negative 5 + x = negative 2
This is because, in each equation, x is the same variable, and it has the same value on both sides of the equation.
In the first equation, x is equal to 3.
In the second equation, x is equal to 3
In the third equation, x is equal to -3
Note that the equation 9 + x = 6 and x + (negative 4) = 7 are not equivalent as these equations have different values for x.
Lily received 50 postcards. 16% of them were from Thailand. After he received ostcards from Thailand, the percentage of Thailand postcard increased to 30%. How many Thailand postcards did he receive?
Answer:
Step-by-step explanation:
Final answer: Lily received 10 postcards from Thailand.
Explanation: Number of postcards=50
Percentage of postcards from thailand= 16
Number of postcards from Thailand= 16/100*50= 8
Now, he received some postcards from Thailand. Let the number of postcards received from Thailand be x. Therefore,
Number of postcards=50+x
Number of postcards from Thailand= 8+x
We know that the percentage of postcards from Thailand now is 30.
Therefore,
30=(8+x/50+x)*100
0.3(50+x)=8+x
15+0.3x=8+x
0.7x=7
x=10
Therefore, he received 10 postcards from Thailand.
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What is the equation in slope intercept form of the line that passes through the y-intercept (0, -4) and has a slope of 5?
O y = 5x + 28
O y = 5x + 4
O y = 5x-4
O y = 5x-28
The equation in slope-intercept form of the line that passes through the point (0, -4) and has a slope of 5 is y = 5x - 4.
What is slope intercept form ?The form of a line's slope intercept is one of the most common ways to represent a line's equation. The slope intercept formula can be utilized to find a line's equation given its slope and y-intercept for a straight line ( the y-coordinate of the point where the line intersects the y-axis). For a line to exist, every point along the line must be satisfied by its equation. This straight line equation, which is represented as, can be resolved in a number of ways.
1. Slope-intercept form
2. Two-point form
3. Intercept form
4. Point slope form
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Determine the domain and range of the function:
The domain of the function is x ∈ [ -3, -∞) and range is {-3, -2, 1}.
What is domain and range?The set of allowable inputs, or all the x-values in the (x, y) points decided by the relation, is known as the domain of a relation (and, by extension, a function). All the y-values in the (x, y) points determined by the relation make up the range of a relation (and, by extension, a function).
Graphs can be used as a second method to define the domain and range of functions. A graph's domain is the entire set of input values represented on the x-axis because the term "domain" refers to the set of potential input values. The possible output values are displayed on the y-axis and make up the range.
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The baker made a batch of chocolate chip, oatmeal raisin, and sugar cookies. If P(chocolate chip) = 68%, interpret the likelihood of randomly selecting a chocolate chip cookie from the batch.
Likely
Unlikely
Equally likely and unlikely
This value is not possible to represent probability of a chance event.
The likelihood of randomly selecting a chocolate chip cookie from the batch would be likely. That is option A
What is probability?Probability is defined as the possibility of an outcome of an event which may likely or unlikely occur.
The batch contains the following content:
chocolate chip,(68%)oatmeal raisin, and sugar cookiesThe chocolate chip makes up 68% of the batch and this shows a higher quantity than other content. Therefore, likelihood of randomly selecting a chocolate chip cookie from the batch would be likely.
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Determine the rate of change and initial value of the
linear function represented by the following scenario:
An airplane starts it's descent at an altitude (height) of
30,000 ft and descends at a rate of 2000 feet per
minute.
Answer:
13009 is the best answer for this question
the sumof the first two term of a g.p is 28 but the sum of the third and fourth term 252.find the second term of the g.p if the seventh term is 5103
S_ = a/(1 - r), where a denotes the first term and r denotes the common ratio, is the formula for calculating the sum of an infinite geometric progression.
What is Geometric Progression?If a series of phrases is called a geometric progression if each next term is created by multiplying each previous term by a fixed amount. (GP), while the common ratio refers to the constant value. As an illustration, a GP with the common ratio of 2 is 2, 4, 8, 16, 32, 64,...4 / 2 = 8 / 4 = 16 / 8 = 32 / 16 = 2.
Similarly,
A series of 1 through 5 and 1 through 16 is an example.1/2 / 1 = 1/4 / 1/2 = 1/8 / 1/4 = 1/16 / 1/8 = 1/2
The ratio is constant in the provided examples. Geometric Progressions are the name for such a series. G.P. is how it is shortened.When none of the terms in the sequence are zero, the constant r, often known as the common ratio, is used.A Sequence a1,a2,a3, ......,an,......... is a G.P, then ak + 1 / ak = r [k >1]The next step is to understand how to add GP when it has n words.To Learn more About geometric progression Refer To:
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Stephan and John are reading the same book. Stephan reads 7 pages a day and is on page 22. John reads 9 pages a day and is on page 10. How many days until Stephan and John are on the same page? What page will they be on?
The number of days until Stephen and John are on the same page would be 6 days
The page they would be on would be 64 pages
How to find the number of days ?Assuming that the number of days can be denoted as x, the equation for the number of pages that Stephen has read in total is:
= 22 + 7 x
The number of pages that John has read in total is:
= 10 + 9 x
To find the number of pages, equate these:
22 + 7 x = 10 + 9x
22 - 10 = 9x - 7 x
12 = 2 x
x = 12 / 2
x = 6 days
The page they would be on is:
= 10 + 9 x
= 10 + 9 ( 6 )
= 64 pages
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1.On the accompanying grid, sketch the graphs of y = 2^x and 3y = 7x + 3 over the interval
-3 ≤ x ≤ 4. Identify and state the coordinates of all points of intersection.
On solving the provided question, we can say that - by prime factorization the factors of 5 are 5 and 1
What is factor?A number that divides another number by itself with no residual is known as a factor. In other words, if multiplying two whole numbers results in the creation of a product, the numbers we are multiplying are factors of the product since the product is divisible by them. Division and multiplication are the two ways to discover factors. A number or other mathematical object is factorized or factored in mathematics by expressing it as the product of numerous factors, often smaller or simpler things of the same sort. One factorization of the polynomial x2 - 4 is 3 5, which is also a factorization of the number 15.
The factors of 5 are -
5and 1
as 5 = 5 X 1
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What is 4, 700, 000 in scientific notation?
A. 4.7 x 105
B. 4.7 x 106
C. 4.7 x 107
D. 4.7 x 108
Answer:
4,700,000 can be written as 4.7 × 10⁶ in scientific notation
Scientific notation:Scientific notation, also called power of 10 notation.It is a method of writing extremely large and small numbers.For Example:
10 = 1 × 10¹ 100 = 1 × 10² = 10²1200 = 1.2 × 10³Here,
1200 can also be written as
12 × 100
we know that, 100 = 10²
so,
12 × 10²
Remember
Decrease the base increase the power and vice-a-versa1.2 × 10³
Is this SSS, ASA, SAS, or AAS? I’m pretty sure it’s either sss or sas because there are already two sides but I’m not sure!! Please help:,)
Therefore , the solution of the given problem of congruent comes out to be in this case we have two side equal and one side common so it is sss
What in mathematics is a congruence?Two figures are said to be "congruent" if they can be positioned perfectly over one another. Both of the bread slices are the same size and shape when stacked one on top of the other. Congruent refers to things that are exactly the same size and shape.
How does SSS work?SSS definitions. an autonomous government organization responsible for overseeing military conscription. Selective Service and Selective Service System are synonyms. independent agency kind. a federal agency that was established by a congressional act and is unrelated to the executive departments.
In this case we have two side equal and one side common so it is sss
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Tyrell is traveling to Chicago, Ilinois. He takes a cab service from the airport to his hotel.
The table shows the linear relationship between the number of miles the
Cab Fare
Number of Miles Total Fee
$15.00
5
$19.50
7
$22.50
10
$27.00
15
$34.50
What does the y-intercept mean in this situation?
O When the cab travels 0 miles, the total fee will be $1.50.
O When the cab travels 0 miles, the total fee will be $12.00.
O For every additional
mile the cab travels, the total fee increases by $1.50.
O For every additional mile the cab travels, the total fee increases by $12.00.
Y-intercept linear 12 shows that the total cost will be $12.00 when the taxi travels 0 miles.
How do you define a linear relationship?the connection between two variables that, when plotted on the coordinate plane, forms a straight line. The term "linear expression" refers to both the linear equation and the expression that depicts a linear relationship.
(2, 15), (5, 19.50), (7, 22.50), and (10, 27) are the coordinates (15, 34.50)
We will obtain a straight line if we plot the points on the XY coordinate system. The line crosses the Y axis at 12.00, as can be seen. As a result, the y-intercept is 12.00, and its coordinate is (0,12)
The y-intercept in this case is 12, which indicates that the total cost will be $12.00 even if the taxi travels 0 miles.
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What is the perimeter of trapezoid JKLM?
O√2+√5 units
O2+ √2+√5 units
O9+2√2 units
9+√2+√5 units
By applying pythagorean theorem and perimeter formula, The answer is D 9+[tex]\sqrt{2}[/tex] +[tex]\sqrt{5}[/tex]
What is pythagorean theorem?The Pythagorean theorem is a fundamental result in mathematics named after the ancient Greek mathematician Pythagoras. It states that in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides.
What is perimeter?Perimeter is a measure of the distance around the outside of a two-dimensional shape. It is the sum of the lengths of all the sides of the shape. The formula for perimeter depends on the shape. For example, the perimeter of a rectangle is twice the sum of its length and width, while the perimeter of a circle is equal to its circumference.
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the solid below is made from cubes.
find its volume
Answer:
96
Step-by-step explanation:
Gwen buys 3 identical pairs of shoes at store A. She pays $110.25 after the discount. What is the regular price of each pair?
The regular price of each pair of shoe is 36.75 dollars.
How to find the regular price of the pairs?Gwen buys 3 identical pairs of shoes at store A. She pays $110.25 after the discount.
The regular price of the each pair of shoe can be calculated as follows:
Therefore,
3 pairs of shoe = 110.25 dollars
1 pair of shoe = ?
cross multiply
Therefore,
regular price of a pair of shoe = 110.25 / 3
regular price of a pair of shoe = 36.75
Therefore, the regular price is 36.75 dollars.
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WILL MARK BRAINLIEST! please help with easy geometry problem!! :) and give explanation and steps too
Therefore , the solution to the given problem of triangle comes out to be x =20 degree and y = 20 degree.
Defining a triangleIn a plane, any three points can be joined to form triangles, that have 3 components and three angles. They were among the first geometrical forms to be investigated. Because each polygon, regardless of its number of sides (four, five, six, or n), may be divided into a triangle, they are especially significant.
Here,
Given : 140 degree
Since it is a scalar triangle
two sides will have equal angle,
Thus ,
x=y
=> x+ x + 140 =180
=> 2x = 180-140
=> 2x =40
=> x =20
Therefore , the solution to the given problem of triangle comes out to be
x =20 degree and y = 20 degree.
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Question 9 of 10
What is the product of the following numbers? Use a scientific calculator to
find the answer.
5.56 x 104 x 2.43 x 106
A. 2.23 x 10-2
OB. 1.97 x 10²1
C. 1.35 × 1020
OD. 1.35 x 10¹1
Which of the following is the product of the rational expressions shown
below?
2/x+1 • 5/3x
A. 5(x+1)/6x
B. 5/x^2+3
C. 10/3x+3
D. 10/3x^2+3x
Answer:
D. 10/3x^2+3x
Step-by-step explanation:
The product of the two rational expressions is:
(2/x+1) * (5/3x)
Multiply the numerator of the first fraction by the numerator of the second fraction and the denominator of the first fraction by the denominator of the second fraction:
(2*5) / (x+1) * (3x)
Which simplifies to:
10 / (x^2 + x)
So the correct answer is:
D. 10/3x^2+3x