Answer:
true
because 22+8=30,
and 30 is greater than 16.
Eric's house is 1/4 mile from the library. Min's house is 5 times as far from the library as Eric's house. How far is Min's house from the library?
Answer: 1 1/4 mile
Step-by-step explanation:
(p - 3)3 - (g + 1)? is the same as
Answer:
3p-g-10
Step-by-step explanation:
3(p-3)-g-1
3p-9-g-1
3p-g-9-1
3p-g-10
If you wanted to buy a 75 inch tv for your living room and the width is 43.25 inches, what is the height
The height of the TV would be 61.27 inches.
What is Pythagoras theorem?
The hypotenuse's square length is equal to the sum of the squares of the lengths of the other two sides of the right-angled triangle, according to the Pythagorean theorem, commonly known as the Pythagoras theorem.
Here, The 75 inches represents the length of diagonal of the TV because the length of TV is always measured diagonally. So, the diagonal's length is 75 inches.
We've width as 43.25 inches.
Since TV is of the shape of rectangle, we can calculate the height by applying Pythagoras theorem.
So, we've hypotenuse² = (side 1)² + (side 2)²
It can be written as,
diagonal² = height² + width²
(75)² = height² + (43.25)²
height² = (75)² - (43.25)²
= 5625 - 1870.5625
= 3754.4375
height = √3754.4375 = 61.27 inches.
Hence, height will be 61.27 inches.
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I'm learning IEB grade nine mathematics, but the methods are trash.
we haven't learned factorizing algebraic expressions yet and I am worried about my future in maths.
if I want to up my mathematical abilities, what's the best way to do so?
If you are worried about your future in math and want to improve your mathematical abilities, the best way to do so is to practice regularly and seek out additional resources to help you understand the material.
How to improve the mathematical abilities?Here are some specific things you can do:
Practice problems: Work through a variety of different types of problems to build your skills and confidence.
Find a study group: Join a study group with other students who are also taking the same math class. This can be a great way to get extra help and support.
Use online resources: There are many online resources, such as videos and tutorials, that can help you understand mathematical concepts.
Seek extra help: Don't be afraid to ask your teacher or a tutor for extra help if you are struggling with a particular topic.
Stay motivated: Keep in mind the importance of math in many fields and how it will be useful in future, and set realistic and challenging goals for yourself.
Make connections between different topics: Try to understand how different mathematical concepts are related and how they can be applied in real-world situations.
Remember, learning math takes time and practice, so be patient and persistent.
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One employee earns a weekly salary of $500, and another works hourly, making $10 per hour. How many hours does the hourly employee need to work to earn the same weekly amount as the salaried employee?.
No. of hours, hourly employee need to work to get earnings as the standard employee = 50 hours.
What is an equation?
An equation can be defined as a statement that supports the equality of two expressions, which are connected by the equals sign “=”. For example, 2x – 5 = 13.
Here,
2x – 5 and 13 are expressions
The sign that connects these two expressions is “=”.
Given, weekly salary of an employee = $500
Hourly earning of another employee = $10
Let the hourly employee work for x hours to earn the same earnings as weekly employee
By the question,
$10 x = $500
x = $500/$10
x = 50 hrs.
Hence, the hourly employee has to work around 50 hours make same weekly earnings as the standard employee.
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f divided by -7 = -8
Answer:f=56 I hope this helps
Step-by-step explanation:
f divide (-7) =-8
Dividing a positive and a negative equals a negative: (+) divided sign (-) =( -) and then
Write the division as a fraction
-1/7f=-8
Multiply both sides of the equation by -7
f=56
Answer:
f = 56
Step-by-step explanation:
Given statement,
→ f divided by -7 is -8.
Forming the equation,
→ f/-7 = -8
Now the value of f will be,
→ f/-7 = -8
→ f = -8 × -7
→ f = 8 × 7
→ [ f = 56 ]
Hence, the value of f is 56.
You survey 72 randomly chosen students about whether they are going to attend the school play. Twelve say yes. Predict the number of students who attend the school.
The school is predicted to have
students.
1260
Just as 12 is to 72. 210 is to x
setup ratio, cross multiply, and solve for x:
Answer is 1260
Which of the following are solutions to x < 12?
l. x = -4
II. x = 0
III. x = 12
IV. x = 13
Answer:
I. x = -4 and II. x = 12
Step-by-step explanation:
For this problem, you would simply need to plug in the values and see if the inequality is true, and if it is, it is a solution, so let's go through the options.
Plugging in x = -4 gives us: -4 < 12 which is true since negative four is less than positive twelve, so this is a solution.
Plugging in x = 0 gives us: 0 < 12 which is true since zero is less than twelve, so this is a solution.
Plugging in x = 12 gives us: 12 < 12 which is false since twelve is not less than twelve but is rather equal to it. if the less than symbol had a line under it, it would also include values equal to it in which case x = 12 would be a solution but since it doesn't, this is not a solution.
Plugging in x = 13 gives us: 13 < 12 which is false since thirteen is not less than twelve but is rather greater than it, so this is not a solution.
A sheet of graph paper is placed with its
x
-axis pointing due East and its
y
-axis pointing due North. A sluggish snail starts at points (0,0) and slowly, but smoothly, slithers 1 unit North, 2 units East, 3 units South, 4 units West, 5 units North, 6 units East, 7 units South, 8 units West, 9 units North and (lastly!) 10 units East. At which point does the snail finally arrive?
Coordinates: (__,__)
A dot serves to depict a point, which is a place in any space (.). Nothing about it is long, tall, shaped, or big.Therefore, the snail finally arrives at the point (6,5).
What is a point and line?
To indicate an accurate location in space, a point is denoted by a dot (.). It has no height, width, or any dimension. It is hence sizeless.
The simplest basic object in geometry is a point. A dot and a capital letter are used to identify it. Only position is represented by a point, which has no size (that is, zero length, zero width, and zero height).
A dot serves as a visual representation of a point, which is a place in any space (.). It lacks all dimensions—length, height, shape, and size. With capital letters, it denotes the start of drawing any figure or shape. Line. a collection of points together along a straight path.
The snail moves 1 unit North, 2 units East, 3 units South, 4 units West, 5 units North, 6 units East, 7 units South, 8 units West, 9 units North, and 10 units East.
Starting at (0,0), the snail moves:
1 unit North to (0,1)2 units East to (2,1)3 units South to (2,-2)4 units West to (-2,-2)5 units North to (-2,3)6 units East to (4,3)7 units South to (4,-4)8 units West to (-4,-4)9 units North to (-4,5)10 units East to (6,5)Therefore, the snail finally arrives at the point (6,5).
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find the value of c that (x+2) is a factor of the polynomial p(x)
p(x)=x^4-x^3+cx^2+3x-2
Answer:
comparing (x+2) with (x-a) we get a=-2
Using factor theorem
p(x)=0
p(-2)=0
(-2)⁴-(-2)³+c×(-2)²+3×-2-2=0
-16+8+4c+12=0
4+4c=0
4c=-4
c=-4/4
c=-1
How to find quotient?.
The quotient is the quantity we arrive at when dividing two numbers.
When a number is divided, the result is the quotient. The mathematical symbol (÷) stands for division, which is a technique for allocating items equally among groups. In mathematics, the quotient is the outcome of dividing an integer by any divisor. It is the quantity of times the dividend contains the divisor.
An integer or a decimal number can be the quotient.
A whole number is the quotient when a number is entirely divisible by another integer. The quotient is a decimal number when a number cannot be divided by another number entirely.
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Where is the zero of a function?.
Any alternative for the variable in a function that results in a zero answer is said to as the zero of a function.
The x-intercept(s) of the function's graph, or the real zero of a function, is where the function's graph hits the x-axis graphically.
The values of the variable in a function that allow the function to equal zero are termed the zeros of the function. The places on the x-axis where the graph crosses the x-axis are referred to as a function's zeros graphically. In other respects, we can say that the zeros of something like a function are the x-intercepts of the graph.
Finding the values of the variable that correspond to the function's zeros can be achieved by equating the function to 0. By calculating the polynomial and then equating it to 0, we can discover the zeros for polynomials.
Example:
Find the zeros of the function f(x) = ex - 1. Answer: Zero of function f(x) = ex - 1 is x = 0.
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the x coordinate is positive and the y coordinate is zero what is the location
If the x coordinate is positive and the y coordinate is zero, the location of the point is in positive x- axis.
What is coordinate?The position of a point or a shape in a specific space is determined by coordinates, which are numbers (a map or a graph).
Cartesian coordinates are introduced to students in Year 4 and are taught in primary school. The x axis, which is the horizontal axis, and the y axis, which is the vertical axis, are used to identify points (the vertical axis).
Coordinates are always written with two numbers separated by commas and enclosed in brackets. Coordinates are ordered pairs of numbers, where the first number represents the point on the x axis and the second, the point on the y axis.
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Question: Whats 5x(8+8)3(67
Answer:
16,080
Explanation:
hope its help..... T^THow many solutions does Y =- 2x 3 have?.
The equation, Y = - 2x + 3 has infinitely many solutions.
Here we are given the equation y = 2x + 3. Now since this equation has 2 variables, it can be easily plotted on a graph. After plotting this equation, we can see that it makes a never-ending line, hence, this equation will have infinitely many solutions.
For any equation to have a solution, there must be an intersecting point or a common value for x or y.
Here for every value of x, we get a different value of y, which can be easily seen in the graph.
Furthermore, when an equation has 2 variables, there must be at least 2 equations for the system to have a unique solution, hence the given equation has infinitely many solutions.
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Correct Question
How many solutions does Y = - 2x + 3 have?
A pizzeria ell three ize of pizza: mall, medium, and large. The pizza ell for $6
, $9
, and $10
, repectively. One evening they old 37
pizza and received $321. If they old 9
more large than medium pizza, how many of each ize did they ell?
Ue the Gauian elimination method with back ubtitution to olve the given word problem
They sell 21 pizzas for $321 in one evening.
A word problem is a few phrases that describe a real-life scenario in which an issue must be solved using a mathematical computation. It is a mathematical problem expressed entirely in words typically used as an educational tool.
Word problems are regarded as an important aspect of the basic curriculum because they require students to apply their understanding of various concepts to real-life settings.
Let us assume that,
small size pizza =x
medium size pizza =y
large size pizza =z
so, x+y+z=21
6x+9y+10z= 321
y=z+1
x+y+z=21
6x+9y+10z= 321
y-z=1
6x+9y+10z= 321
y+4z=31
5z=30
z=6
y=z+1
y=7
x+y+z=21, x=8
{8,7,6}
8*$6=$48
7*$9=$56
6*$10=$60
Thus, they sell 21 pizzas for $321 in one evening.
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Determine if this data is an example
of a function.
(36, 6); (18, 5); (0, 4); (-18, 3)
The data 36, 6); (18, 5); (0, 4); (-18, 3) is an example of a function.
What is a function?A relation is a function if it has only One y-value for each x-value.
We have to check whether the data (36, 6); (18, 5); (0, 4); (-18, 3)
is an example of function.
The ordered pairs are thirty six comma six comma eighteen comma five comma zero comma four comma minus eighteen comma three.
As we observe there is only one y value for each x value.
and the x values are not repeated.
Hence, the data 36, 6); (18, 5); (0, 4); (-18, 3) is an example of a function.
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What is the y value of the solution to the system of equations 3x 5y 17x 4y − 13?.
The y-value of the solution to the system of equations 3x + 5y = 1 and 7x + 4y = - 13 is 2.
In the given question, we have to solve the y-value of the solution to the system of equations.
3x + 5y = 1..................(1)
7x + 4y = -13...............(2)
Multiply equation 1 by 4 and equation 2 by 5, we get
12x + 20y = 4................(3)
35x + 20y = -65................(4)
Subtract equation 4 by 3, we get
23x = -69
Divide by 23 on both side, we get
x = -3
Now putting the value of x in the equation 1, we get
3(-3) + 5y = 1
-9 + 5y = 1
Add 9 on both side, we get
5y = 10
Divide by 5 on both side, we get
y = 2
Hence, the y-value of the solution to the system of equations 3x + 5y = 1 and 7x + 4y = - 13 is 2.
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The complete question is:
What is the y-value of the solution to the system of equations?
3x + 5y = 1; 7x + 4y = - 13
Juice wa packed in individual juice boxe of 1/2-cup each. A carton of 64 juice boxe wa hrink-wrapped and hipped to a tore. How many gallon of juice were in the hrink-wrapped carton?
The shrink-wrapped carton of 64 juice boxes contained 2 gallons of juice.
To find out how many gallons of juice were in the shrink-wrapped carton, we first need to convert the number of juice boxes to cups and then convert that amount to gallons.
Each juice box contains 1/2 cup of juice, so 64 boxes contain 64 * (1/2) = 32 cups.
There are 16 cups in 1 gallon, so to convert 32 cups to gallons, we divide 32 cups by 16 cups/gallon.
32 cups / 16 cups/gallon = 2 gallons
So, the shrink-wrapped carton of 64 juice boxes contained 2 gallons of juice.
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3 Each spinner shown is divided into equal
sections. Felix spins each spinner 30 times. He
records the number of times each section is
spun.
(5)
A
(8)
B
24
(6)
45
03
Red
(7)
(4)
Based on the results of the first 30 spins, what
is the probability that Felix will spin a green and
an F on the next spin?
Blue
(10)
Yellow
D Not here
Green
(8)
Answer:
9876567890
Step-by-step explanation:
Under a dilation where the center of dilation is the origin,
the image of A(-2,-3) is A '(-6,-9). What are the coordinates
of B', image of B(4,0) under the same dilation?
A) (-4,0)
B) (-12,0)
C) (12,0)
D) (4,0)
Explanation:
When going from A(-2,-3) to A '(-6,-9), we multiplied both coordinates by the scale factor 3. In other words, we tripled the coordinates.
x coordinate: -2*3 = -6y coordinate: -3*3 = -9Do the same thing to the coordinates of point B.
x coordinate: 4*3 = 12y coordinate: 0*3 = 0Therefore we arrive at (12, 0) as the final answer. This is choice C.
count the unit squares to find the area of this plane figure.
Five rows of squares. Each row has 3 squares.
Answer:
you take rows multiplied by row
such that 5rows × 3 rows = 15 squares in total
What method of solving quadratic equations must be used in order to derive the quadratic formula?.
By utilizing the Quadratic Equations' formula for the roots, we can solve the most complex quadratic equations.
For example,
if (ax2+bx+c) = 0,then the equation's roots
x =[—b+ —(b^2-4ac)^1/2] / 2aNow
x^2+5x+6=0a=1 b= 5 c=6x=[ --5+ — (25-4×1×6)^1/2 ] /2x1 =( --5+1)/2 =4/2=-2X2 =[ --5-1] /2 = -3The equation's roots are -2 and —3.
The polynomial equations of degree two in one variable of type f(x) = ax2 + bx + c = 0 and with a, b, c, and R R and a 0 are known as quadratic equations. It is a quadratic equation in its general form, where "a" stands for the leading coefficient and "c" for the absolute term of f. (x).
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*URGENT*
I’ve been stuck on these for the past two days please help
The value of x would be 1496 m.
What is trigonometry?
Trigonometry is based on the study of the six basic trigonometric functions: sine (sin), cosine (cos), tangent (tan), cosecant (csc), secant (sec), and cotangent (cot). These functions are defined in terms of the ratios of the sides of a right triangle. For example, the sine of an angle in a right triangle is the ratio of the length of the side opposite the angle to the length of the hypotenuse.
In the given figure, we can apply the trigonometric ratio, we get
sin22 = x/4000
0.374 = x/ 4000
x = 0.374 * 4000
x = 1496m
Hence, the value of x would be 1496 m.
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Multiplying a trinomial by a trinomial follows the same steps as multiplying a binomial by a trinomial. Determine the degree and maximum possible number of terms for the product of these trinomials: (x2 + x + 2)(x2 – 2x + 3). Explain how you arrived at your answer.
NEED SOME HELP!
The degree and maximum possible number of terms for the product is 4 and 9 respectively
What is an algebraic expression?An algebraic expression can be described as a mathematical expression consisting of variables, factors, coefficients, terms and constants.
These algebraic expressions are also made up of arithmetic operations, such as;
AdditionSubtractionMultiplicationDIvisionBracketFloor divisionParenthesesA trinomial can be defined as an algebraic expression having three non-zero terms with more than one variable in the expression
Given the expressions;
(x² + x + 2)(x² - 2x + 3)
expand the bracket
x⁴ -2x³ + 3x² + x³ -2x² + 3x + 2x² -4x + 6
collect like terms
x⁴ -2x³ + x³ + 3x² - 2x²+ 3x - 4x + 6
Add or subtract like terms
x⁴ - x³ + x² -x + 6
Hence, the degree is 4
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Answer this question!!!
The polynomial f(x) = x³ + 9x² + 23x + 15 has a factor of x + 3
What is an equation?An equation is an expression showing the relationship between numbers and variables.
The degree of a polynomial is the power is the highest exponent. The cubic polynomial have a degree of 2.
Given that the linear function x + 3 is a factor of f(x), hence f(-3) = 0. Therefore:
f(-3) = 0
f(-3) = (-3)³ + 9(-3)² + a(-3) + 15 = 0
(-3)³ + 9(-3)² + a(-3) + 15 = 0
-27 + 81 - 3a + 15 = 0
69 - 3a = 0
3a = 69
a = 23
The value of a is 23
The polynomial becomes f(x) = x³ + 9x² + 23x + 15
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Calculate the length of the unknown side of this right angled triangle
Base: 8cm
Length: 9cm
The length of the unknown side of this right angled triangle is 12cm.
This is a question about the Pythagorean theorem, which 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. The theorem can be written as c^2 = a^2 + b^2, where c is the hypotenuse, and a and b are the other two sides.
In this case, we know that the base of the triangle is 8cm and the length is 9cm.
So we can use the formula c = √(a^2 + b^2)
c = √(8^2 + 9^2)
c = √(64 + 81)
c = √(145)
c = 12cm
Therefore, the length of the unknown side of this right angled triangle is 12cm.
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2/3+1/9 Add fractions with unlike denominators
Answer:
7/9
Step-by-step explanation:
Multiply [tex]\frac{2}{3}[/tex] by 3 to get the common denominator of 9. Whatever you do to the top, you do to the bottom too.
So you would do [tex]\frac{2}{3}[/tex] x [tex]\frac{3}{3}[/tex] to get [tex]\frac{6}{9}[/tex]
Add [tex]\frac{1}{9}[/tex] to [tex]\frac{6}{9}[/tex] to then get [tex]\frac{7}{9}[/tex]
So your answer would be [tex]\frac{7}{9}[/tex]
Anya needs to add 3/4 + 2/6. Anya knows she needs to find equivalent fractions to find the sum. Which equivalent fractions could Anya use to find the sum of 3/4 + 2/6 ?
Answer:
9/12 + 4/12
Step-by-step explanation:
Find the lowest common denominator. 12 is divisible by 4 and 6.
4 x 3 =12 and 6x2 =12
3/4 x 3/3 =9/12
2/6 x 2/2= 4/12
Chad and Amy are married with no children, and they're filing their federal
income tax return. Chad had a gross income of $54,300 last year, while Amy had
a gross income of $50,900; they plan to use the standard deduction. They're
trying to decide whether to file their return jointly or separately, so they want to
calculate how much less they would pay in federal income taxes if they filed
jointly rather than separately.
Part 3: When filing jointly, Chad and Amy have a standard deduction of $11,400, they can claim one exemption for each of them for $3650 each, and they don’t have any addition adjustments to income. What is their taxable income?
Their taxable income $9,250.
If you were single and didn't have any dependents, what kind of filing status would you have?Single-tax-return filing status with the IRS. For unmarried individuals who are not eligible to file as the head of household, single is the default filing status.
When submitting your tax return, you must choose the single filing status if you were not married on the last day of the tax year and you are not eligible to utilize any other filing status.
The amounts for the 2022 standard deduction are as follows: Married Jointly Filing or Qualifying Widow(er) - $25,900 (an increase of $800) $19,400 (an rise of $600) for the head of the household Married Filing Separately or Single: $12,950 (an increase of $400).
An individual making $50,000 will pay $9,250, according to the exhibit that is attached.
People who make $50,000 fall into the $42,001-$100,000 category and pay $7,250 plus 25% of any amount over $42,000.
The tax burden is as follows:
= 7,250 + ( 25% x (50,000 - 42,000))
= 7,250 + (25% x 8,000)
= $9,250.
The complete question is,
Using Exhibit 11-4 as a guide, calculate the tax due on a person with a $50,000 taxable income.
$9,250 \s$10,110 \sO $15,000 \sO $12,500.
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