Answer:
$38.1
Step-by-step explanation:
Tax: 30*0.07 = 2.1
Tip: 30*0.2 = 6
Total: 30 + 2.1 + 6 = 38.1
Bus 1 leaves Bulawayo at a constant speed of 80mph headed for Harare, 550 miles away. Bus 2 leaves Harare at 8:30AM traveling at 50mph. At what time will the buses pass each other?
The buses will pass each other at 12:37:30 PM
Calculation of time two buses pass each other.Bus 1 leaves Bulawayo at a constant speed of 80 mph headed for Harare, 550 miles away, Bus 2 leaves Harare at 8:30 AM traveling at 50 mph.To find the time when the two buses will meet, you need to find the time that Bus 2 will take to travel to the point where the buses will meet, and the time that Bus 1 will take to travel the same distance.
You can find the time that Bus 2 will take to travel to the point where the buses will meet by dividing the distance (550 miles) by the speed of Bus 2 (50 mph), which is 11 hours.
Then you can find the time that Bus 1 will take to travel the same distance by dividing the distance (550 miles) by the speed of Bus 1 (80 mph), which is 6.875 hours (or 6 hours and 52.5 minutes).
Now, you can subtract the time that Bus 2 takes to reach the point of intersection from the time that Bus 1 takes to reach the same point.
6.875 hours (or 6 hours and 52.5 minutes) - 11 hours = -4.125 hours (or -4 hours and 7.5 minutes)
Since Bus 2 leaves Harare at 8:30AM, you can subtract -4.125 hours from 8:30AM to find the time the buses will meet.
8:30AM - -4.125 hours = 12:37:30 PM
So the buses will pass each other at 12:37:30 PM
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The area of the base of a cylinder is found by dividing the volume of the cylinder by its height. if the volume of the cylinder is represented by 5x2 15x 2 and the height is 5x, which expression represents the area of the base? x2 3x 5x (5x2 15x 2) x 3 x (x2 3x 2)
Answer:4x5
Step-by-step explanation:
Answer:
The area of the base of a cylinder is found by dividing the volume of the cylinder by its height.If the volume of the cylinder is represented by 5x2 +15x + 2 and the height is 5x, which expression represents the area of the base?x2 + 3x + 5x (5x2 + 15x + 2)x + 3 + x (x2 + 3x +2)
Step-by-step explanation:
x+3+x+2
HELPPPPPP
Hailey walked 2.32 miles in the morning and 1.5 miles in the afternoon. She walked miles in all.
Hailey walked a total of 3.82 miles.
What is Addition?Addition is one of the basic mathematical operations where two or more numbers is added to get a bigger number.
The process of doing addition is also called as finding the sum.
Given that,
Distance Hailey walked in the morning = 2.32 miles
Distance Hailey walked in the evening = 1.5 miles
Total distance she walked = 2.32 miles + 1.5 miles
= 3.82 miles
Hence the distance Hailey walked in total is equal to 3.82 miles.
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Determine whether ABCD is a parallelogram, a rectangle, or neither.
Determina si ABCD es un paralelogramo, un rectángulo o ninguno.
Slope AB = .
Slope BC =
AB = √62
CD = √62
Shape
7
8
8
BC = √73
AD = √73
Slope AB =
Slope BC =
Slope CD= -
314
Slope AD =
Shape
2
WIN
3
2/3
1
5/3
AB= √29
=
= √62 AD = √37
BC= √29 CD
The area of the preceding parallelograms is equal to 125 cm sq., according to the answer to the given question.
How do parallelograms work?A simple quadrilateral with different pairs of parallel sides is known as a parallelogram in Euclidean geometry. Each sets of opposite ends are parallel and equal in a particular type of rectangle known as a parallelogram. Parallelograms come in four varieties, three of which are exclusive. The four different shapes are rhombuses, parallelograms, squares, and rectangles. A quadrilateral is a parallelogram if it has two sets of side lengths. In a quadrilateral, the cross-sectional lengths of the opposed angles and angles are equal. The inner angles add additional angles to the horizontal line on the same side. There are 360 internal degrees in all.
Here,
it is:
B = 25 cm
with H = 5 cm.
Parallelograms' surface area is A = B X H = 25 X 5 = 125 cm square.
The area of the preceding parallelograms is equal to 125 cm sq., according to the answer to the given question.
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Add the following interger ing algebra title/counter. Illutrate your olution uing algebra tile/counter red for poitive counter and black for negative counter. Do thi in your notebook
This problem can be represented with color counters/tiles. In this case, the red counters represent positive numbers and the black ones represent negative numbers.
One technique to introduce the idea of adding and subtracting numbers is through the use of integer tiles. When working on the kind of issue that many students find more challenging—problems like -4 + -5—this paradigm might be helpful.
One positive counter and one negative counter/tile equal zero because 1+(−1)=0. Draw a line through the counters that equals zero.
The remaining counters represent the answer. Therefore, 4+(−2)=2. The answer is the difference between 4 and 2. The answer takes on the sign of the larger number. In this case, the four has a positive value and it is greater than 2.
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Solve for y
6x+8y=10
Barry draws the model below and it says it proves that 1,243 divided 3 = 481. What mistake does Barry make?
Barry mistakes that dividing 1,243 by 3 would yield 481. This is not the case, because 1243/3 = 414.33.
The mistake that Barry made is that he most likely used simple long division method, but forgot to carry over the decimal number.
Another mistake could be the misreading of the problem, thinking that the 1,243 is the quotient, while in reality it is the dividend.
Can anyone help me to solve this question....
If Ahmad works at a constant rate, he will take 90 minutes in finishing his exam, and he will finish it at around 1:15 pm.
How long takes Ahmad to answer all the questions?We know that Ahmad answers at a constant rate, and he takes around 1.5 minutes to answer each answer.
The total time that it will take him to answer the 60 questions is equal to the number of questions times the time that it took him to answer each one, then the total time is:
T = (1.5 min)*60 = 90 minutes
So it will take him an hour and a half.
And e know that the exam starts at 11:45 am
After one hour, it will be:
0:45 pm
And after 30 minutes, it will be:
1:15 pm
Ahmad will finish his exam at 1:15 pm.
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What is the other name for factorization method Mcq?
Answer:
Another name for factorization method Mcq is Doolittle's Method
Step-by-step explanation:
Hope it helps!
Please help me out with this one !!! Evaluate the integral.
1
∫
0
r3
over
⩗ 16 + r2
dr
The definite integral is [tex]$\int_0^1 \frac{r^3}{\sqrt{16+r^2}} d r$[/tex][tex]=[/tex][tex]\frac{128}{3}-\frac{31 \sqrt{17}}{3}$[/tex]
Definite Integral helps to find the area of a curve in a graph. It has limits, which are the start and the endpoints, within which the area under a curve is calculated. The limit points can be taken as [a, b], to find the area of the curve f(x), with respect to the x-axis.
Here,
∫ = Integration symbol
a = Lower limit
b = Upper limit
f(x) = Integrand
dx = Integrating agent
Thus, ∫ab f(x) dx is read as the definite integral of f(x) with respect to dx from a to b.
Indefinite integrals are implemented when the boundaries of the integrand are not specified.
To find [tex]$\int_0^1 \frac{r^3}{\sqrt{16+r^2}} d r$[/tex]
Put [tex]$16+r^2=t^2$[/tex]
[tex]$2 r d r=2 t d t$\\[/tex]
[tex]$r d r=d t$[/tex][tex]$r=0 \Rightarrow t=4$[/tex]
[tex]$r=1 \Rightarrow t=\sqrt{17}$[/tex]
[tex]$\int_0^1 \frac{r^3}{\sqrt{16+r^2}} d r=\int_4^{\sqrt{17}} \frac{t^2-16}{t} d t$[/tex]
[tex]$=\left[\frac{t^3}{3}-16 t\right]_t^{\sqrt{17}}$[/tex]
[tex]$=\frac{(\sqrt{17})^3}{3}-16(\sqrt{17})-\frac{(4)^3}{3}+64$[/tex]
[tex]$=\frac{128}{3}-\frac{31 \sqrt{17}}{3}$[/tex]
[tex]$\int_0^1 \frac{r^3}{\sqrt{16+r^2}} d r=\frac{128}{3}-\frac{31 \sqrt{17}}{3}$[/tex]
Therefore, the evaluated integral is [tex]\frac{31 \sqrt{17}}{3}$[/tex].
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What is a table value?
When numbers are substituted into an equation, they typically produce a set of ordered pairs called a table of values (relation). Each ordered pair of numbers in the values table's table of values is related to one another according to the equation.
In math, what is a value?
Each digit's value varies based on where it is in the number, and this is referred to as the value. We figure it out by multiplying the digit's place value by its face value.
Value is composed of Place Value and Face Value. Honesty, integrity, benevolence, kindness, courage, and self-assurance are a few examples of values.
What does a table of values example mean?
You can choose two or more points to include in your graph by using a table of data, a graphic organizer or chart. For the equation y= 2x + 1, an example table of values is shown here.
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Joan has a budget of $90 to make her friends a gift bag. The gift bags are $6 each. The function f(x) = -6x + 90 represents the amount money Joan has left in her budget after purchasing x number of gift bags.
Therefore , the solution of the given problem of function comes out to be f(x) =54 .
What are the costs by function?A mathematical formula known as a cost function is used to visualise how production costs will vary depending on the output level. In other words, given a specific quantity produced, it calculates the total cost of production.
Here,
f(x) = -6x + 90
=> x =6
=> f(x) = -6*6 + 90
=> f(x) = -36 + 90
=> f(x) = 54
thus , f(x) = 54 is the correct solution for finding the left amount of money
Therefore , the solution of the given problem of function comes out to be f(x) =54 .
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Is a dilation with a scale factor of 2 A reduction?
When the scale factor is between 0 and 1, a dilation is considered a reduction.
How To Find The Scale Factor Of A Dilation?The center point of the dilation is located, and the distances between this center point and various points on the preimage and the image are measured in order to determine the scale factor for the dilation. According to Math Bits Notebook, we can determine the scale factor by dividing these distances by two.Given that each angle is congruent, each segment is proportional, the slope of each segment is preserved, and the perimeter of the preimage and image have the same scale factor, using dilation scale factors allows us to enlarge or reduce a figure to the desired size.To Learn more Aboutdilation refer To:
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Two rental car companies are running specials this month. At Eliana's Rentals, customers will pay $60 to rent a mid-sized car for the first day, plus $6 for each additional day. At Arcadia Rent-a-Car, the price for a mid-sized car is $30 for the first day and $12 for every additional day beyond that. At some point, renting from either one of the companies would cost a customer the same amount. How much would the customer pay?
On the 5th day, renting a mid-sized car from either Eliana's Rentals or Arcadia Rent-a-Car would cost the customer $90.
What is the linear equation in one variable?
A linear equation in one variable is an equation in which the highest power of the variable is 1. A linear equation in one variable can be written in the form of y = mx + b, where m is the slope and b is the y-intercept. The graph of a linear equation in one variable is a straight line.
In the given problem, the rental cost of a mid-sized car from Eliana's Rentals can be represented by the equation:
y = 60 + 6x (where y is the total cost and x is the number of days)
The rental cost of a mid-sized car from Arcadia Rent-a-Car can be represented by the equation:
y = 30 + 12x (where y is the total cost and x is the number of days)
At some point, renting from either one of the companies would cost the customer the same amount, so we can set both equations equal to each other and solve for x:
60 + 6x = 30 + 12x
Solving for x:
30 = 6x
x = 5
Hence, on the 5th day, renting a mid-sized car from either Eliana's Rentals or Arcadia Rent-a-Car would cost the customer $90.
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How do you find the terms and factors of an algebraic expression?
A term can be a number, a variable, a product of two or more variables, or a number and a variable product. A factor is anything that is multiplied by another item. A factor might be a number, a variable, a word, or a more complicated statement. The numbers or variables that are multiplied together to generate a word are referred to as its factors.
What is algebraic expression?An expression, also known as an algebraic expression, is a mathematical statement made up of numbers, variables, and an arithmetic operation between them. For example, 4m + 5 is an expression in which the words 4m and 5 are separated by the arithmetic sign + and m is the variable of the provided expression.
Here,
A term can be a number, a variable, the product of two or more variables, or the product of a number and a variable. Anything that is multiplied by another object is referred to as a factor. A factor might be a number, a variable, a word, or a longer statement. The factors are the numbers or variables that are multiplied together to form a word.
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Add:
[tex]4 { x }^{ 2 } y+-3x { y }^{ 2 } +-5x { y }^{ 2 } +5 { x }^{ 2 } y[/tex]
Step-by-step explanation:
[tex]4[/tex]
[tex]4 {x}^{2} - 3x {y}^{2} [/tex]
O if you had to explain why finding the leat common denominator i important in working with factor what would it be
The term least common denominator (LCD) is used when referring to the denominators in fractions.
The smallest common denominator shared by two or more fractions is referred to as the least common denominator (LCD).
They are the same when the common denominator also happens to be the smallest common denominator. The least common denominator will always be smaller than the common denominator if this is not the case.
There are numerators and denominators in fractions. The fraction's top and bottom halves are called the numerator and denominator, respectively.
A common denominator is a denominator that is shared by two or more fractions. They all require common denominators before two or more fractions may be added together or subtracted.
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leirbe the vector with magnitude |vi|l = 89.5 at an angle of 305° from the positive x axis. Find the component form of vector v.
a) v=<-73.3,51.3>
b) v=<73.3,-51.3>
c)v=<-51.3,73.3>
d) v=<51.3,-73.3>
The required component form of the vector V is given as v=<51.3,-73.3>. Option D is correct.
What is vector?Vector is defined as property of object that describes both magnitude and direction of object when in motion is called vector.
here,
|V| = 89.5
and Ф = 305
now,
x component = |V| cos305°
= 89.5×cos305° = 51.3
y component = |V| sin305°
= 89.5×sin305° = -73.3
Thus, the required component form of the vector is given as v=<51.3,-73.3>. Option D is correct.
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Which of the following is a solution of the equation 3x 2y 11?
The solution of the given equations 3x + 2y = 11 , 2x + 3y = 4 is given by :
option a. ( 5, -2 ).
As given in the question,
Given equations are written as :
3x + 2y = 11 ___(1)
2x + 3y = 4 ___(2)
Solve the given system of equations using the method of elimination we get,
Multiply (1) by 3 and (2) by 2 to eliminate y we have,
9x + 6y = 33
4x + 6y = 8
5x = 25
⇒ x = 5
Substitute the value x in (1) to get the value of y we have,
3(5) + 2y = 11
⇒2y = 11 - 15
⇒y = -4/2
⇒ y = -2
Therefore, the solution of the given equations is given by :
option a. ( x ,y ) = (5,-2).
The above question is incomplete , the complete question is :
Which of the following is a solution of the equation ?
3x + 2y = 11
2x + 3y = 4.
a. ( 5, -2 ) b. ( 5, 2) c. ( 2,5) d. ( -2 ,-5)
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to translate an expression from words into a mathematical expression, _______________
Answer: to sum up
Step-by-step explanation:
Use the box method to distribute and simplify (3x+x^{2})(1+6x).(3x+x
2
)(1+6x). Drag and drop the terms to the correct locations of the table.
By using the box method, the terms of the equation should be distributed and simplified as follows;
3x x²
1 3x x²
6x 18x² 6x³
What is the distributive property of multiplication?In Mathematics, the distributive property of multiplication states that when the sum of two or more addends are multiplied by a particular numerical value, the same result and output would be obtained as when each addend is multiplied respectively by the same numerical value, and the products are added together.
Next, we would multiply both sides of the equation together in order to open the bracket as follows;
(3x + x²)(1 + 6x)
3x(1) + 3x(6x) + x²(1) + x²(6x)
3x + 18x² + x² + 6x³
By combining like terms and rearranging the equations, we have:
6x³ + 19x² + 3x.
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What is an exponential function for 0 3?
The exponential function cannot be found.
To find an exponential function, f(x)=[tex]a^{x}[/tex], containing the point, set f(x) in the function to the y value 3 of the point, and set x to the x value 0 of the point. 3 = [tex]a^{0}[/tex]
Solve the equation for a.
Let's rewrite the equation,
[tex]a^{0}[/tex] = 3
Anything with 0 in power is 1
1 = 3
As, 1 ≠ 3
There are no solution.
Since there is no real solution, the exponential function cannot be found.
Hence, the exponential function cannot be found.
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What is the factored form of the polynomial f (x) = 8x³ - 60x² +150x - 125?
Answer:
(2x-5)^3
Step-by-step explanation:
(((8 • (x3)) - (22•3•5x2)) + 150x) - 125
((23x3 - (22•3•5x2)) + 150x) - 125
3.1 8x3-60x2+150x-125 is not a perfect cube
Factoring: 8x3-60x2+150x-125
Thoughtfully split the expression at hand into groups, each group having two terms :
Group 1: 150x-125
Group 2: -60x2+8x3
Pull out from each group separately :
Group 1: (6x-5) • (25)
Group 2: (2x-15) • (4x2)
Bad news !! Factoring by pulling out fails :
The groups have no common factor and can not be added up to form a multiplication.
What triangle is formed when the sides are 5/12 13?
The triangle formed when the sides are 5, 12, 13 is a right-angled triangle. The Pythagorean theorem can be used to verify this.
From Pythagorean theorem, it can be said that, the square of hypotenuse side is equal to the sum of other two sides of a right angled triangle.
Let AB, CA and BC be the sides of a right triangle. CA is the hypotenuse side, AB and BC are the base and height sides of the right triangle. The equation can then be expressed as,
CA² = AB² + BC²
Now, let us check this rule for the above given sides of the triangle.
Longest side² = Sum of squares of other two sides
13² = 12² + 5²
169 = 144 + 25
169 = 169
Thus, the sides 5 cm, 12 cm and 13 cm can form a right-angled triangle.
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please help solve quick
Answer:
c 1
A F E 2
Step-by-step explanation:
Lisa makes $30 for 4 hours of babysitting. Write an equation to represent her earnings, e, relative to the number of hours, h, that she works. Assume the relationship is proportional.
Answer: e = 7.5*h
Step-by-step explanation: The relationship between Lisa's earnings, e, and the number of hours, h, that she works is proportional. This means that the ratio of e to h is constant. One way to represent this relationship is through an equation of the form:
e = k*h
where k is a constant of proportionality. In this case, we know that Lisa earns $30 for 4 hours of babysitting, so we can use this information to find the value of k:
30 = k*4
k = 30/4 = 7.5
So the equation that represents Lisa's earnings, e, relative to the number of hours, h, that she works is:
e = 7.5*h
Where e is the earnings and h is the number of hours and 7.5 is the constant of proportionality.
Alternatively, you can write the equation as e = 30/4 * h = 7.5 * h
This equation tells us that for every hour that Lisa babysits, she earns $7.5.
Answer:
7.5
Step-by-step explanation:
because I'm smart like that!
Jordyn has two baskets of fruit. Each basket contains 7 apples. . Basket L contains 7 pieces of fruit. . Basket M contains 14 pieces of fruit. Which statement is true? TEKS 7.6H
(A) The probability of randomly selecting an apple from Basket M is 1.
(B) The probability of randomly selecting an apple from Basket L is equal to the probabiiity of randomly selecting an apple from Basket M.
C The probability of randomly selecting an apple from Basket M is greater than the probability of randomly selecting an apple from Basket L.
d) The probability of randomly selecting an apple from Basket M is 0.5.
The true statement is that C. The probability of randomly selecting an apple from Basket M is greater than the probability of randomly selecting an apple from Basket L.
How to calculate the probability?Probability simply means the chance that a particular thing or event will happen. It is the occurence of likely events. It is simply the area of mathematics that deals with the numerical estimates of the chance that an event will occur or that a particular statement is true.
Basket L contains 7 pieces of fruit. Basket M contains 14 pieces of fruit. The probability of picking from M will be:
= 14/21
= 2/3
The probability of picking from L will be:
= 7/21
= 1/3
The correct option is C.
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What is the formula of remainder theorem?
The constant f(a) is the result of dividing a polynomial f(x) by xa, and f(x)=q(x)(xa)+f(a), where q(x) is a polynomial of degree one lower than f(x )'s.
What are polynomials?Algebraic expressions called polynomials include constants and indeterminates.
Polynomials can be thought of as a type of mathematics.
Nearly all branches of mathematics employ them to express numbers, and calculus is one of those branches where they play a crucial role.
A specific kind of expression is a polynomial.
A mathematical statement without the equals symbol (=) is called an expression. Let's examine the definition and usage of polynomials as they are described below.
An algebraic expression known as a polynomial requires that all of its exponents be whole numbers.
Any polynomial must have variable exponents that are non-negative integers. Although a polynomial contains variables and constants, we are unable to divide a polynomial by a variable.
Hence, The constant f(a) is the result of dividing a polynomial f(x) by xa, and f(x)=q(x)(xa)+f(a), where q(x) is a polynomial of degree one lower than f(x )'s.
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The remainder theorem helps us find the remainder when dividing a polynomial by a linear expression, using the formula R = f(a), where a is the root of the linear expression. Using this formula, we can easily calculate the remainder without performing long division.
The remainder theorem is a concept in algebra that helps us find the remainder when we divide a polynomial by a linear expression. The formula for the remainder theorem can be stated as follows:
If we have a polynomial f(x) and we divide it by a linear expression x - a, then the remainder R is given by the formula:
R = f(a)
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Arvin Is training for a race. He wants to bike:
between 35 and 41 miles a week,
• either 3 or 4 days a week, and
the same number of miles each day.
What are two possible ways Arvin can complete his training plan? Enter the answers in the boxes.
Number of
Days Biked
3
Miles Biked
Each Day
Answer: between eight and ten miles
between six and seven point 5 miles.
8-10 6-7.5
Step-by-step explanation:
What is the y-intercept of y 5x 10?
The y-intercept of y = 5x − 10 is -10.
If we draw the graph of the linear equation y = mx + c. The result is a line with m as the slope, and c as the y-intercept. This form of the linear equation y = mx + c is called the slope-intercept form, and the values of m and c are real numbers.
The slope, m, of the line represents the steepness of a line. This is also termed a gradient, sometimes. The y-intercept, c, represents the y-coordinate of the point where the graph of the line intersects the y-axis.
Now, if we equate the standard slope-intercept form of the equation with the given equation, we get
y = mx + c
y = 5x - 10
m = 5 and c = -10
As we know the c is the y-intercept which is equal to -10.
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