a. 5 + 7n is the algebraic expression for 7 more than the product of 5 and n
How is this determined?The expression needed to indicate the value of 5 added to the product of 7 and n is "5 greater than the product of 7 and n."
The equation 7n represents the product of 7 and n, and the expression 5 + 7n is obtained by adding 5 to 7n.
This is the proper algebraic expression for the phrase that was given.
It follows that 5 + 7n = 5 + 21 = 26, which is 5 more than the sum of the products of 7 and 3. As an illustration, if we substitute a value of 3 for n, the expression 7n would equal 21.
Because option b is a product of 5 and (7+n), which is not equivalent to 5 greater than the product of 7 and n, the other choices are incorrect.
The product of option c and (5+n) is 7, but it also does not equal 5 greater than the product of 7 and n.
A sum of 5, 7, and n makes up option d, which also does not equal 5 greater than the result of the product of 7 and n.
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Factor x^2-10x+16. Which of the following is one of the factors?
- (x - 2)
- (x + 4)
- (x + 2)
- (x - 4)
what is the value of the expression below?
64^2/6
Answer:
682 2/3
you could do this on a calculator or you could do this by hand, but i kinda used a calculator
As a block of ice melts, its weight changes from 1.5 lbs to .25lbs. This change takes a half of an hour. At what rate does the weight of the ice change?
The weight of the ice changes at the rate of 1.25 lbs. in a half of an hour.
What is rate of change?How quickly something evolves over time is referred to as its rate of change (ROC).
Given:
As a block of ice melts,
its weight changes from 1.5 lbs to .25lbs.
That means, the total decay,
1.5 + n = 0.25
n = 1.25 lbs.
This change takes a half of an hour.
So, the rate of change,
1.25 lbs. in a half of an hour.
Therefore, the rate of change is 1.25 lbs. in a half of an hour.
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Polygon ABCD with vertices at A(−4, 6), B(−2, 2), C(4, −2), D(4, 4) is dilated using a scale factor of 1/4 to create polygon A′B′C′D′. Determine the vertices of polygon A′B′C′D′.
A′(−0.8, 1.2), B′(−0.4, 0.4), C′(0.8, −0.4), D′(0.8, 0.8)
A′(−1, 1.5), B′(−0.5, 0.5), C′(1, −0.5), D′(1, 1)
A′(−2, 3), B′(−1, 1), C′(2, −1), D′(2, 2)
A′(−3, 4.5), B′(−1.5, 1.5), C′(3, −1.5), D′(3, 3)
For polygon ABCD with vertices at A(−4, 6), B(−2, 2), C(4, −2), D(4, 4) after dilation the vertices will be
A′(−1, 1.5), B′(−0.5, 0.5), C′(1, −0.5), D′(1, 1)How to find the coordinates of the imageDilation is a method of transformation that magnify or shrink the preimage depending on the scale factor
The transformation rule for dilation is as follows
(x, y) for a scale factor of r → (rx, ry)
following similar procedure for the given problem, for r = 1/4 we have
preimage image
A (-4, 6) → (1/4 * -4, 1/4 * 6) → A' (-1, 3/2)
B (−2, 2) → (1/4 * -2, 1/4 * 2) → B' (-1/2, 1/2)
C (4, −2) → (1/4 * 4, 1/4 * -2) → C' (1, -1/2)
D (4, 4) → (1/4 * 4, 1/4 * 4) → D' (1, 1)
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Answer:
Third Answer Choice....A′(−1, 1.5), B′(−0.5, 0.5), C′(1, −0.5), D′(1, 1)
Step-by-step explanation:
1/4 = 0.25
Multiply by every number
A' = ( -1, 1.5 )
B' = ( -0.5, 0.5 )
C' = ( 1, -0.5)
D' = (1, 1)
If it says its wrong i dont even know whys that, because this is the only way i know that everyone can solve easily
What is social inequality class 9?
Social inequality in class 9 refers to the unequal distribution of social status, power, and privilege among individuals or groups within a society. It can manifest in various forms, such as discrimination, prejudice, and bias, which can limit opportunities and access to resources for certain groups.
In class 9, social inequality may be discussed in relation to various social issues, such as racial and ethnic inequality, gender inequality, and inequality based on sexual orientation, disability, and age. These issues can have a significant impact on individuals and groups, leading to reduced opportunities, access to resources, and lower quality of life.
Social inequality in class 9 may also be discussed in relation to broader societal issues, such as poverty, unemployment, and lack of access to healthcare and education. These issues can contribute to a cycle of disadvantage and can perpetuate social inequality.
It's worth noting that social inequality is often interconnected with other forms of inequality such as economic and educational inequality, and understanding how these inequalities interact is crucial to understand and address social inequality.
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Eli needs to order some new supplies for the restaurant where he works. The restaurant needs at least 546 knives. There are currently 312 knives. If each set on sale contains 10 knives, write and solve an inequality which can be used to determine xx, the number of sets of knives Eli could buy for the restaurant to have enough knives.
Answer:
The restaurant needs 546 knives and there is 312 knives
The amount remaining is 546-312=234
if each set contains 10 knives
The amount of set remaining is 234/10=23.4 sets
Susan earns $10 per hour tutoring elementary students in math. She also earns $15 per hour cleaning in the library. Her goal
each week is to earn at least $240 while working no more than 20 hours.
Let e represent the number of hours Susan works in one week tutoring elementary students, and let c represent the number of
hours Susan works in one week cleaning the library.
Use the inequalities you chose from the previous question.
Which combinations allow Susan to reach her weekly goal?
Select the three correct combinations.
9 hours tutoring and 10 hours cleaning the library
O 10 hours tutoring and 10 hours cleaning the library
O 11 hours tutoring and 8 hours cleaning the library
12 hours tutoring and 8 hours cleaning the library
13 hours tutoring and 7 hours cleaning the library
O 14 hours tutoring and 7 hours cleaning the library
Answer: $270
Step-by-step explanation:
you multiply 10.00×9= 90 and then 15.00×10=150 then i took the answer out of both problems and added them. 150+90=240 then i took 240 + 30 = 270
subtract 3x(x-2) from 6(x^2-xy) and express your answer as a monomial
Answer:
6(x^2-xy) - 3x(x-2) = 6x^2 - 6xy - 3x^2 + 6x
Combining like terms: 3x^2 - 6xy + 6x
To express the result as a monomial it would be 3x^2
So, the final answer is 3x^2
Ash has 4 dounts and she ate 2/7 of the dounts, So how much dounts have she eaten? I NEED HELP ASAP! I’ll give brainlest!
Answer: Ash has eaten 2/7 of her 4 donuts, which is equal to 8/7 or approximately 1.143 donuts.
1-used to find the missing side of a right triangle.
2-the amount of space a space takes up.
3-the distance around the outside of a shape.
4-three numbers that form a right triangle.
5-the side of a right triangle that is opposite from the right
angle; the longest side of a right triangle
6-used to prove whether a triangle is a right triangle.
7-to find the diagonal distance on a coordinate plane, create
making the diagonal distance the
hypotenuse.
8-the sides of a right triangle that are adjacent (next to) to
the right angle.
(Pythagorean theoram,perimeter,area,hypotenuse,right triangle,legs,pythagorean triple,pythagorean theorem converse)
Answer:
1-Pythagorean Theorem
2-Area
3-Perimeter
4-Pythagorean Triple
5-Hypotenuse
6-Pythagorean Theorem Converse
7-Pythagorean Theorem
8-Legs
The Pythagorean Theorem is a mathematical formula used to find the length of the missing side of a right triangle. It states that the sum of the squares of the lengths of the two shorter sides (known as the legs) of the triangle is equal to the square of the length of the longest side (the hypotenuse).
The area of a space refers to the amount of two-dimensional space that it occupies. For example, the area of a rectangle can be found by multiplying its length by its width.
The perimeter is the distance around the outside of a shape, often used in polygons and closed figures.
A Pythagorean triple is a set of three integers a, b, and c that satisfy the equation a^2 + b^2 = c^2. These integers correspond to the three sides of a right triangle, with c being the hypotenuse.
The hypotenuse is the side of a right triangle that is opposite from the right angle and is also the longest side of a right triangle.
The Pythagorean Theorem Converse states that if the sum of the squares of the two shorter sides of a triangle is equal to the square of the length of the longest side, then the triangle is a right triangle.
The Pythagorean Theorem can be used to find the diagonal distance on a coordinate plane. Given the coordinates of two points, the theorem can be used to calculate the distance between them by making the diagonal distance the hypotenuse.
The legs of a right triangle are the two sides of the triangle that are adjacent (next to) to the right angle.
Uday Tahlan
(6x - 7) - (2x +5) =
Answer:
4x-12
Step-by-step explanation:
do -1(2x+5) -> -2x-5
combine like terms
6x - 7 - 2x - 5 -> 4x -12
Answer:
4(x-3)
Step-by-step explanation:
6x - 7 - 1(2x + 5)
6x - 7 - 2x - 5
6x - 7 - 2x - 5
6x - 12 - 2x
6x - 12 - 2x
4x - 12
4 (x - 3)
ANSWER
4(x- 3)
The playground in Alecs neighborhood in Draw below. What is the perimeter of the playground
Answer:
D. 28 units
Step-by-step explanation:
Add up all the units on each side
Going clockwise starting from the top:
5, 5, 1, 2, 3, 1, 3, 8
Add them all together
5 + 5 + 1 + 2 + 3 + 1 + 3 + 8 = 28
Manuel ay 25 5/8 ft of fencing i enough for a rectangular flower bed that meaure 9 7/8 ft by 15 3/4 feet i thi correct explain
Manuel was incorrect, because the perimeter of a flower bed is 51 1/4 feet not 25 5/8 feet.
What is the perimeter of a rectangle?
The perimeter of a rectangle is the total distance of its outer boundary. It is twice the sum of its length and width and it is calculated with the help of the formula: Perimeter = 2(length + width).
Given that, Manuel says feet of fencing is enough for a rectangular flower bed that measures feet by feet
Here, perimeter =2(9 7/8 + 15 3/4 ) feet
= 2(79/8 + 63/4)
= 2(79/8 + 126/8)
= 2(205/8)
= 410/8
Manuel was incorrect, because the perimeter of a flower bed is 51 1/4 feet not 25 5/8feet.
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What is an image Grade 7?
An image is a representation of something that can be seen, such as a picture or drawing.
An image can be thought of as a 2-dimensional array of pixels, where each pixel has a specific color value. Each color value can be represented by numerical values, such as red, green, and blue (RGB) values.
In mathematics, we can think of an image as a function that maps the x and y coordinates of a pixel to its color value. For example, f(x,y) = (R, G, B) where R, G, B are the red, green, and blue values of that pixel.
We can also think of an image as a grid of points, where each point represents a pixel.
It can be a photograph, drawing, graphic, or any other visual representation of something. Images can be created using different techniques, such as painting, drawing, or photography.
They can also be digital, such as a computer-generated image or a photograph that has been scanned into a computer. Images are used in many different fields, such as art, science, advertising, and education.
Images can be found in various forms such as on billboards, posters, books, magazines, newspapers, websites, and social media platforms. They can also be used to communicate information, tell a story, or express an idea.
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What is happening in the graph shown below?
Distance (meters)
09
A
N
0
1
Motion of an Object
2
3 4 5
Time (seconds)
7 8
OA. The object moves away from the origin at a speed of 3 m/s, stands still 6 m away from the origin for 3 seconds, then moves
toward the origin at a speed of 2 m/s.
OB. The object moves toward the origin at a speed of 6 m/s, stands still 6 m away from the origin for 3 seconds, then moves away
from the origin at a speed of 8 m/s.
OC. The object moves toward the origin at a speed of 3 m/s, stands still 6 m away from the origin for 3 seconds, then moves away
from the origin at a speed of 2 m/s.
A statement which correctly describes the graph shown below is: A. The object moves away from the origin at a speed of 3 m/s, stands still 6 m away from the origin for 3 seconds, then moves toward the origin at a speed of 2 m/s.
What is a position vs time graph?In Mathematics, a position vs time graph can be defined as a type of graph that is used to graphically represent the distance traveled by an object from its starting position with respect to the time when it is started moving.
Generally speaking, the position or distance traveled by a physical object in a position vs time graph is always plotted on the y-coordinate while time is always plotted on the x-coordinate (x-axis).
In this scenario, the speed of the object from the origin can be calculated as follows:
Speed = distance/time
Speed = 6/2
Speed = 3 m/s.
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I WILL FAIL PLSSS HEEELP
you must show and check all work on your own paper.
Explain the error:
144x2 - 100
(12x + 10)(12x - 10)
2(6x + 5)(6x - 5)
[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]
The given steps are :
[tex]\qquad \sf \dashrightarrow \: 144 {x}^{2} - 100[/tex]
[tex]\qquad \sf \dashrightarrow \: (12x + 10)(12x - 10)[/tex]
[tex]\qquad \sf \dashrightarrow \: 2(6x + 5)(6x - 5)[/tex]
The error is in third step ~
Correct method :
[tex]\qquad \sf \dashrightarrow \: (12x + 10)(12x - 10)[/tex]
[ take 2 common out of both ]
[tex]\qquad \sf \dashrightarrow \:2 (6x + 5) \sdot2(6x - 5)[/tex]
[ 2 times 2 will be 4 ]
[tex]\qquad \sf \dashrightarrow \: 4(6x +5 )(6x - 5)[/tex]
12 ÷ 3 x 4
What do you do first?
Answer:
do 3*4 then divide by 12
Step-by-step explanation:
Solution to:
1 - 3x = 3x + 1
Answer:
x = 0
Step-by-step explanation:
1 - 3x = 3x + 1 ( subtract 3x from both sides )
1 - 6x = 1 ( subtract 1 from both sides )
- 6x = 0 ( divide both sides by - 6 )
x = [tex]\frac{0}{-6}[/tex] = 0
What are the 3 main types of substitution reaction?
Answer:
There are three general classes of substitution reactions, depending on the following factors.
Reactant or substituent.
Intermediate – carbocation, carbanion, or free radical.
Substrate (compound) – aliphatic or aromatic.
Step-by-step explanation:
Hope it helps!
NEED THIS ASAP!!
Find the solution for −0.4x − 4.15 = x − 1.6 − 2.97.
Answer:
The solution is [tex]x=0.3[/tex]
Step-by-step explanation:
[tex]-0.4x-4.15=x-1.6-2.97[/tex]
Subtract [tex]2.97[/tex] from [tex]-1.6[/tex].
[tex]-0.4x-4.15=x-4.57[/tex]
Subtract [tex]x[/tex] from both sides of the equation.
[tex]-1.4x-4.15=-4.57[/tex]
Add [tex]4.15[/tex] to both sides of the equation.
[tex]-1.4x=-0.42[/tex]
Divide both sides of the equation by [tex]-1.4[/tex].
[tex]x=\frac{-0.42}{-1.4}[/tex]
[tex]x=0.3[/tex]
If you wanted to be able to represent every hexadecimal value from 016 to ff16, how many bits would you need?.
If we want to be able to represent every hexadecimal value from 016 to ff16, the number of bits we need would be 8 bits.
What is hexadecimal?The term hexadecimal refers to a numbering system in base 16. It can be used to represent large numbers with fewer digits. Most number systems are in decimal or base ten, however, hexadecimal is a type of number system which is in base 16. Hexadecimal has the base ten numbers from 0 to 9 and followed by six alphabetic characters A, B, C, D, E, and F. To represent every hexadecimal value from 016 to ff16, 8 bits will be needed.
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Why is 2 and 3 a prime number?
Yes, number 2 and number 3 represents they are prime number as the number has only two factors one and the number itself.
As given in the question,
Given numbers are equal to :
2 and 3.
Prime numbers are those number which has only two factors one and the number itself.
Prime number does not get exactly divided by any other number except itself and one.
Factors of 2 are as follow :
1 and 2
Factors of 3 are as follow :
1 and 3
Therefore, number 2 and number 3 are considered a prime numbers as both the numbers has only two factors one and the number itself.
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Homework 1 relations domain range and functions 3-8
A tables in math is the multiplication table that includes the list of multiples of natural numbers.
Students learn the multiples of a number in math table, which is the foundation of the subject. Multiplication tables have been taught to us since we were in primary school. We may swiftly solve issues involving multiplication with the aid of these math tables. Thus, it is essential for pupils to memorize the math tables 1 through 20, enabling them to complete challenging calculations with ease.
Understanding mathematics requires the use of math tables. It is essential that the pupils have a firm grasp of math tables because failing to do so would make it difficult for them to comprehend other areas of mathematics. Students are likely to struggle with fundamental math concepts like decimals, percentages, fractions, ratios, etc. without even a basic understanding of math tables. Once you have learned these multiplication tables, you will remember them for the rest of your life.
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The domain and range of the function y = 3x + 2 is all real numbers
3. Domain: Real Numbers, Range: Real Numbers, Function: y = x
4. Domain: Real Numbers, Range: Real Numbers, Function: y = x^2
5. Domain: Real Numbers, Range: Real Numbers, Function: y = x^3
6. Domain: Real Numbers, Range: Real Numbers, Function: y = x^4
7. Domain: Real Numbers, Range: Real Numbers, Function: y = x^5
8. Domain: Real Numbers, Range: Real Numbers, Function: y = x^6
The domain and range of the function y = 3x + 2 is all real numbers
the complete question is :
relations domain range and functions 3-8
What is the domain and range of the function y = 3x + 2?
Domain: Real Numbers, Range: Real Numbers
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Solve for c.
852 = 12c
Answer:
c=71
Step-by-step explanation:
852=12c
852=12x71
Answer:
[tex] \sf \: c = 71[/tex]
Step-by-step explanation:
Given equation,
→ 852 = 12c
Now the value of c will be,
→ 852 = 12c
→ 12c = 852
→ c = 852 ÷ 12
→ [ c = 71 ]
Hence, the value of c is 71.
Imagine that you are plotting points on a coordinate plane. each axis is labeled with integers from −5 to 5. explain how you would plot a point at the location (−21 2 , −4). write three to four sentences.
The coordinate of a point is its location on a grid. The point will be located halfway between -2 and -3 on the x-axis, on -4 on the y-axis
Coordinate points:
A set of values that show an exact position on graphs is usually a pair of numbers. The first number shows the distance along, and the second number shows the distance up or down.
One number line is horizontal and is called the x-axis, and the other number line is the vertical number line and is called the y-axis. The two axes meet at a point called the origin.
The coordinate is given as:
[tex]Point=(2\frac{1}{2} ,-4)[/tex]
Express as decimals
Point=(-2.5,-4)
The above point means that:
X=-2.5
y=-4
Therefore, The point will be located halfway between -2 and -3 on the x-axis, on -4 on the y-axis
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Does anyone know what this is
The value of m from the exponent is 35.
What are Exponents and powers?Exponents and powers are ways used to represent very large numbers or very small numbers in a simplified manner.
For example, if we have to show 3 x 3 x 3 x 3 in a simple way, then we can write it as [tex]3^4[/tex], where 4 is the exponent and 3 is the base.
Given:
[tex](x^m)[/tex]³ = [tex](x^{13) ^5[/tex] x [tex](x^{-8}) ^{-5}[/tex]
Now, solving the exponents
[tex](x^m)[/tex]³ = [tex](x^{65})[/tex] x [tex](x^{40}) }[/tex]
Now, using the property
[tex]x^m . x^n = x^{m+n}[/tex]
So, [tex](x^m)[/tex]³ = [tex](x^{65+ 40})[/tex]
[tex](x^{3m})[/tex] = [tex](x^{105})[/tex]
Now, comparing the base
3m = 105
m= 105/3
m= 35
Hence, the value of m is 35.
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Need help with this.
Answer:
a=6, b=59, c=28
Step-by-step explanation:
48/a+9=17 b-10/7=7 0.25c-5=2
48/a+9-9=17-9 7 (b-10/7) =7(7) 0.25c-5+5=2+5
48/a=8 10+ b-10=49+10 0.25c=7
a(48/a) = a (8) b=59 0.25c/0.25=7/0.25
48=8a c=28
a=6
What number does π represent?
We can conclude that (π) represents a irrational & transcendental number.
What are irrational numbers?An irrational number is a number that cannot be expressed as a fraction p/q for any integers {p} and {q}.
Given is a mathematical constant as {π}.
The number π is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as 22/7 are commonly used to approximate it. Consequently, its decimal representation never ends, nor enters a permanently repeating pattern. It is a transcendental number, meaning that it cannot be a solution of an equation involving only sums, products, powers, and integers.The transcendence of π implies that it is impossible to solve the ancient challenge of squaring the circle with a compass and straightedge. The decimal digits of π appear to be randomly distributed, but no proof of this conjecture has been found.Therefore, we can conclude that (π) represents a irrational & transcendental number.
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I’m good with making expressions out of models, but im confused with the subtraction symbol between the models. pls help.
The diagram's representation of the subtraction sign between the models is 6 + 3c.
what is expression ?Multiplying, dividing, adding, and removing are all possible in mathematics. As an example, consider the following expression: Mathematical operation, expression, and number The elements that make up a mathematical expression include numbers, variables, and functions (such as addition, subtraction, multiplication or division etc.) One can contrast two expressions or sentences. The terms "expression" or "algebraic expression" refer to any mathematical statement that has variables, numbers, and an arithmetic operation between them. For instance, the expression 4m + 5 consists of the terms 4m and 5, as well as the variable m from the given expression, all of which are separated by the arithmetic sign +.
given
The subtraction symbol between the models is depicted in the diagram.
4 + 2c + 2 + c = 6 + 3c
6 + 3c
The diagram's representation of the subtraction sign between the models is 6 + 3c.
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HELP PLEASE ASAP‼️‼️‼️
If you translate the cubic parent function, F(x) = x3, down 7 units, what is the
equation of the new function?
A. H(x) = x³ + 7
B. K(x) = (x+7)³
C. J(x) = (x-7)³
D. G(x) = x3 - 7
Answer:
f
Step-by-step explanation: