Answer:
9a(-3a² + a - 5)
1. Write two equivalent expressions to represent the area of this rectangle.
2. Write two equivalent expressions to represent the perimeter of this rectangle.
(pls add an explanation)
The perimeter of a rectangle is 2x+6 units and the area of a rectangle is 5x-10 square units.
Given that, the breadth of a rectangle =5 units and the length of a rectangle =(x-2) units.
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).
Here, perimeter =2(x-2+5)
= 2(x+3)
= 2x+6 units
Area of a rectangle =length × width
= (x-2) × 5
= 5x-10 square units
Therefore, the perimeter of a rectangle is 2x+6 units and the area of a rectangle is 5x-10 square units.
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y>4x-3
What are three solutions for the inequality?
*Remember solutions are found in the shaded area or on a solid line (points on a dashed line are not a solution).
The three points which correctly represents a solution to the given inequality are;
1. (1, 2)2. (1, 3)3. (1, 4)What are three points which correctly represents a solution to the given inequality?It follows from the task content that the points which are solutions to the given inequality bare to be determined.
Since the given inequality as in the task content is; y > 4 x - 3.
By evaluating the inequality at one x-value of x = 1.
We have ;
y > 4 ( 1 ) - 3
y > 4 - 3
y > 1.
Therefore, the possible values of y which are greater than 1 are; 2, 3, and 4.
On this note, it is correct to conclude that the points which are solutions to the given inequality are; ( 1, 2 ), ( 1, 3 ) and ( 1, 4 ).
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Make your angle measures correct to the nearest degree and side measures to 1 decimal place.
The value of angle Z= 39°, line XY= 21.9 and line XZ= 34.7
What is a right-angled triangle?A right-angled triangle is a type of triangle which as one of it's sides equal to 90°. Since angle Y is 90°, then ∆ABC is a right-angled triangle
angle Z = 180-(90+51)
angle Z= 180- 141= 39°
using trigonometry ratio
tan51 = 27/XY
XY= 27/tan51
XY= 27/1.2
XY= 21.9
using Pythagoras theorem
XZ²= 21.9²+27²
XZ²= 1208.6
XZ= √1208.6
XZ= 34.7
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2(x-4 1/2)=-6.1 hellllllppppp meeeee
Answer:
[tex]x=1.45[/tex]
Step-by-step explanation:
[tex]2\left(x-4 \frac{1}{2} \right)=-6.1 \\ \\ 2\left(x-\frac{9}{2} \right)=-6.1 \\ \\ 2x-9=-6.1 \\ \\ 2x=2.9 \\ \\ x=1.45[/tex]
A circle with a radius of 4 in. Is dilated by a scale factor of one-half. What will be the circumference of the circle after dilation?.
The circumference of a circle after dilation will be 12.56 in.
What is the circumference of a circle?
The overall length of the circle's boundary is referred to as the circumference. The circumference of a circle is its edge or the measurement of its entire arc.
The formula for the circumference of a circle is given:
Circumference of a circle = 2πr
Given, the radius of a circle = 4 in.
The radius after dilatation by a scale factor of one-half (1/2), then
new radius = (1/2)*4 = 2 in.
So, circumference of a circle = 2π * (new radius)
= 2*3.14*2
= 12.56 in.
Hence, the circumference after dilation is 12.56 in.
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Here is the histogram of a data distribution. All class widths are 1. Which of the following numbers is closest to the mean of this distribution?
A. 5
B. 2
C. 3
D. 4
E. 10
On solving the given problem, The value of the median of the distribution is closest to 5.
The median is what?In order to visualize data, a histogram is used. The width and area of each rectangle in the histogram are proportional to the class interval and data frequency, respectively.
When a dataset is sorted in either ascending or descending order, the median is the value that appears in the middle of the dataset.
Ascending numbers are listed in the following order:
2, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 9
Median is - 5
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HELP LIKE ASAP
WXY is the image of RST after a translation 3 units up. Select all of the statements that are always true.
options:
_ The length of side TR equals the length of side WX
_ The length of side RS equals the length of side WX
_ The measure of angle R equals the measure of angle W
_ The measure of angle R equals the measure of angle X.
The correct options are: The length of side RS equals the length of side WX and The measure of angle R equals the measure of angle W.
What is translation transformation?A geometry translation is an isometric transformation, meaning that the original figure and the image are congruent.
Given that, WXY is the image of RST after a translation 3 units up.
As we know in translation, both figures are congruent so, we have,
WX = RS
XY = ST
WY = RT
And
∠ R = ∠ W
∠ S = ∠ X
∠ T = ∠ Y
Hence, The correct options are: The length of side RS equals the length of side WX and The measure of angle R equals the measure of angle W.
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PLEASE HELP 50 POINTS
The trigonometric expression cos 3x / (sin x · cos x) is equivalent by trigonometric formulas to the trigonometric expression csc x · cos 2x - sec x · sin 2x. (Correct choice: A)
How to find an expression equivalent to another trigonometric expressionIn this problem we find the definition of a trigonometric expression, whose equivalent expression must be found by using algebra properties and trigonometric formulas. First, write the trigonometric function:
cos 3x / (sin x · cos x)
Second, use trigonometric formulas:
cos (x + 2x) / (sin x · cos x)
(cos x · cos 2x - sin x · sin 2x) / (sin x · cos x)
cos 2x / sin x - sin 2x / cos x
csc x · cos 2x - sec x · sin 2x
The equivalent trigonometric expression is csc x · cos 2x - sec x · sin 2x.
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Factor the expression completely over the complex numbers. Y^4+14y^2+49
the answer is ((y+i√7)(y-i√7))^2
Am I right
Factors over the complex numbers for the given expression y⁴ + 14y² + 49 is equal to [ ( y + i√7) (y - i√7 ) ]² .
As given in the question,
Given expression is :
y⁴ + 14y² + 49
Simplify the given expression to get the factors of it , we get ,
y⁴ + 14y² + 49
= y⁴ + 2 ( 7 )y² + ( 7 )²
= ( y² + 7 )²
Now convert the factors into complex numbers ,
= [ y² - (-1)(√7)²]²
We know that ( -1 ) = i²
= [ y² - ( i√7)² ]²
= [ ( y - i√7 )( y + i√7) ]²
Therefore, the complex numbers factors of the given expression is equal to [ ( y - i√7 )( y + i√7) ]².
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The maintenance department of a manufacturing company is a(n)
A. investment center.
B. segment.
C. cost center.
D. profit center.
A garden in the shape of a right triangle has a perimeter of 72 feet. If the
lengths of the sides of this garden are each lengthened by a factor of 8,
what would be the perimeter of the new enlarged garden?
OA) 352 ft.
OB) 488 ft
OC) 576 ft
OD 692 ft.
The perimeter of the new enlarged garden whose side length lengthened by factor of 8 is equal to 576ft.
As given in the question,
Shape of the garden is right triangle
Let 'x' , 'y' , and 'z' represents the three sides of the triangle shape garden.
Perimeter of the garden = 72 ft
⇒ x + y + z = 72 ft __(1)
Now, length of the each sides of the new garden is lengthened by factor of 8.
Sides of the new garden are '8x' , '8y' , and '8z'
Perimeter of the new garden = 8x + 8y + 8z
⇒ Perimeter of the new garden = 8 ( x + y + z )
⇒ Perimeter of the new garden = 8 (72)
⇒ Perimeter of the new garden = 576 ft
Therefore, perimeter of the new garden is equal to 576ft.
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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. The function f ( x ) = x 2 . The graph of g ( x ) is f ( x ) translated to the right 3 units and down 3 units. What is the function rule for g ( x ) ?
The function rule for g(x) is g(x) = (x - 3)² - 3
How to determine the transformation of g(x) from the parent function?From the question, we have the following function
f(x) = x²
Also, we have the following transformation statements:
f(x) is translated to the right 3 unitsf(x) is translated down 3 unitsFirst, we have: f(x) is translated to the right 3 units
This means that
g(x) = f(x - 3)
So, we have
g(x) = (x - 3)²
Next, we have: f(x) is translated down 3 units
This means that
g(x) = f(x - 3) - 3
So, we have
g(x) = (x - 3)² - 3
Hence, the transformation is g(x) = (x - 3)² - 3
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The soccer field is 105 meters long. The football field is 120 yards long. Which is longer?
The football field is longer than soccer field.
What is a expression? What is a mathematical equation? What is unit conversion?A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem. Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
We have a soccer field that is 105 meters long and a football field is 120 yards long.
In one yard, we have -
1 yard = 0.9144 meters
Then, in 120 yards, we will have -
120 x 0.9144 = 109.728 meters
Now, 109.728 meters > 105 meters.
Therefore, the football field is longer than soccer field.
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What is the quotient startfraction 2 m superscript 9 baseline n superscript 4 baseline over negative 4 m superscript negative 3 baseline n superscript negative 2 baseline endfractionin simplest form? assume m not-equals 0, n not-equals 0.
The given expression's quotient is [tex]-\frac{m^{12}n^6}{2}[/tex].
Exponential expressions are simply a shorthand way of writing powers. The exponent indicates how many times that base has been used as a factor to multiply. So, in the case of 32, it is 2x2x2x2x2x2 = [tex]2^5[/tex], where 2 is the "base" and 5 is the "exponent." This expression is translated as "two to the fifth power." In general, an=axaxax...xa(n times), where 'a' is the base and 'n' is the exponent, will be read as "a to the nth power."
Given that the exponential expression is [tex]\frac{2m^9n^4}{-4m^{-3}n^{-2}}[/tex]
The given expression's quotient is
[tex]=\frac{2m^9n^4}{-4m^{-3}n^{-2}}\\\\\frac{1}{a^x}=a^{-x}\\\\=\frac{m^9n^4m^{3}n^{2}}{-2}\\\\=\frac{m^{9+3}n^{4+2}}{-2}\\\\=\frac{m^{12}n^6}{-2}\\\\=-\frac{m^{12}n^6}{2}[/tex]
As a result, the given expression's quotient is[tex]-\frac{m^{12}n^6}{2}[/tex].
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An airline estimates that the probability that a random call to their reservation phone line result in a reservation being made is 0.31. You want to estimate the probability that exactly one of the next four calls result in a reservation being made. Describe the design of a simulation to estimate this probability. Explain clearly how you will use the partial table of random digits below to carry out your simulation.
The probability that exactly one of the next four calls results in a reservation being made is 40.75%
What is probability?
The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.
Here, we have
A random call to their reservation phone line results in a reservation being made is 0.31
Now, we find
Exactly one call gets resevervation = 4 * (1-0.31)3(0.31)
= 0.4075 = 40.75%
Now we can simulate an experiment by using random numbers from 0 to 100,000 as probability values between 0 and 31,000 are p to reservation otherwise they don't.
Hence, the probability that exactly one of the next four calls results in a reservation being made is 40.75%
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Help help please help
Answer:
AB=45
Step-by-step explanation:
This is an isosceles triangle meaning AB and AC are congruent.
4x+1=2x+23
2x+1=23
2x=22
x=11
4(11)+1
44+1
45
A shopping mall has 226 stores on 4 levels. Each level of the mall has about the same number of stores. Which of the following are reasonable estimates for the number of stores on each level
The number of stores in each level of the shopping mall are 56 stores.
How to solve an equation?An equation is an expression that can be used to show the relationship between variables and numbers. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.
Let x represent the number of stores on each level.
A shopping mall has 226 stores on 4 levels. If there are same number of stores in each level:
(4 × x) = 226
4x = 226
Divide
x = 226 / 4
x = 56.5
There are about 56 stores per level.
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SET AT 50 POINTS AND BRAINLIEST
Which expression is equivalent to −6 + 8 − 3x − 9x?
−12x + 14
−12x + 2
12x + 14
−12x − 2
Answer:
-12x + 2
Step-by-step explanation:
-6+8 = 2
-3x - 9x = -12x
-12x + 2
Answer:
Step-by-step explanation:
-12x+14 i believe
Help please help help please help help me
Answer:
103
Step-by-step explanation:
angle 1 and angle 5 are the same as each other.
One morning after sunrise, Kimberly was standing facing a pole. The shadow of the pole fell exactly to her right. Which direction was she facing? a. North b. South c. West d. East
South direction was she facing.
What does the word "direction" mean?
Direction can refer to the way something moves, the way you must go to get somewhere, the way something is beginning to take shape, or the direction you are facing.
When you turn right rather than left, that is an illustration of direction.
Which forms of direction are there?
There are only four genuine directions north, south, east, and west. Northeast, Southeast, Southwest, and Northwest are the directions on the compass that are located midway between these cardinal points.
These transitional locations are referred to as intermediate directions. Maps and globes only display east-west and north-south lines.
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a football team lost the same number of yards on each of three consecutive plays what is the total change in yards from where the team started
Answer:
-3x, where x is the number of yards lost on the first play.
Step-by-step explanation:
m = y2-y1 X2-X1 Find the slope of the line that passes through these two points. Simplify completely. (3,4) (5,5) m 8
Answer: 1/2
Step-by-step explanation:
m= 5-4
5-3
=
1/2
If you roll a standard six-sided die a thousand times and add up the total number of pips, which approximate sum could you reasonably expect to end with?
1) 16.7% probability of rolling 10+.
2) 50% probability an odd number is rolled.
3) 7 is the most likely total result.
These are all the possible outcomes:
(1,1), (1,2), (1,3), (1,4), (1,5),(1,6)
(2,1), (2,2), (2,3), (2,4), (2,5),(2,6)
(3,1), (3,2), (3,3), (3,4), (3,5),(3,6)
(4,1), (4,2), (4,3), (4,4), (4,5),(4,6)
(5,1), (5,2), (5,3), (5,4), (5,5),(5,6)
(6,1), (6,2), (6,3), (6,4), (6,5),(6,6)
There are 36 possible outcomes
1) what is the probability of rolling 10+?
There are 6 possible outcomes in which 10+ is rolled:
(4,6), (5,5),(5,6), (6,4), (6,5),(6,6).
So there is a 6/36 = 0.167 = 16.7% probability of rolling 10+.
2) what is the probability of rolling an odd number?
There are 18 possible outcomes in which an odd number is rolled.
So there is a 18/36 = 0.5 = 50% probability an odd number is rolled.
3) what is the total that is most likely to result?
There are 6 outcomes in which 7 is rolled.
So 7 is the most likely total result.
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Give a number in the form of a/b o that when it i divided by 100, the reult would be 0. 014 (write in fraction in reduce form)
The reduced form of the fraction would be 2.8/2.
What is a fraction?
A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters.
Given that a/b is a fraction and when it is divided by 100 it will result in 0.014.
So we can write,
[tex]\frac{\frac{a}{b} }{100}=0.014\\\\ \frac{a}{b}=0.014*100\\\\\frac{a}{b}=1.4\\[/tex]
Now 1.4 can be written as
a/b = 2.8/2
Hence, the reduced form of the fraction would be 2.8/2.
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The length of a
rectangular garden is
three feet less than twice
its width. If the perimeter
of the garden is 42 feet,
what is its length?
Systems word problems
Answer:
The length will be 13 feet.
Step-by-step explanation:
Let the width be represented by w.
Based on the information given, the length will be:
= (2 × w) - 3
= 2w - 3
Therefore, the perimeter will be:
2(w) + 2(2w - 3) = 42
2w + 4w - 6 = 42
6w = 42 + 6
6w = 48
w = 48/6
w = 8
Therefore, the length will be:
L = 2w - 3
L = 2(8) - 3
L = 16 - 3
L = 13 feet
The length is 13 feet.
Answer:
The length will be 13 feet.
Step-by-step explanation:
Let the width be represented by w.
Based on the information given, the length will be:
= (2 × w) - 3
= 2w - 3
Therefore, the perimeter will be:
2(w) + 2(2w - 3) = 42
2w + 4w - 6 = 42
6w = 42 + 6
6w = 48
w = 48/6
w = 8
Therefore, the length will be:
L = 2w - 3
L = 2(8) - 3
L = 16 - 3
L = 13 feet
The length is 13 feet.
If X is the midpoint of TV, TV bisects RS, and TR is parallel to VS, state five pairs of objects (segments or angles) that must be congruent and give a reason why for each pair.
According to the Alternate Interior Angles Theorem, when two parallel lines are cut by a transversal, the resulting alternate interior angles are congruent.
Alternate Interior Angle Theorem?According to the Alternate Interior Angles Theorem, when two parallel lines are cut by a transversal, the resulting alternate interior angles are congruent.Is it true or false that different interior angles are always congruent? Although untrue, this assertion is a typical misunderstanding. Keep in mind that when the lines are parallel, alternate inner angles are congruent.Alternate Interior Angles are a pair of angles on the inner side of each of those two lines but on opposing sides of the transversal when two lines are crossed by another line (referred to as the Transversal). These two pairs of alternate interior angles in this illustration are c and f.To learn more about Congruent refer to:
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help meeeeeeeeeeeeeeeeeee pleaseeeeeeeeeeeeeee!!!!!!!!!!!!!!
Answer:
272 bison
Step-by-step explanation:
y(5)=240[tex](1+0.025)^{5}[/tex]
y(5) = 271. 5 bison ≈272 bison
It cost Juan $7.30 to send 73 text messages. How many text messages did he send if he spent $10.20?
Answer:
102
Step-by-step explanation:
First, divide 7.30 by 73 to find how much 1 text message costs. We get 0.1. Next, divide 10.20 by 0.1, which gives us the final answer of 102.
Answer:
99 text messages
Step-by-step explanation:
$7.50 = 73
÷73 ÷73
---------------------
amount to = $0.102739726
send one text
0.102739726x = $10.20
÷0.102739726 ÷0.102739726
-------------------------------------------------
x ≈ 99.28
I hope this helps!
57,624 divided by 46 and I have to show my work
Answer: 122 12/46 OR 122 R 12 OR 1252.69565
Step-by-step explanation:
Tell whether the lines for the pair of equations are parallel, perpendicular or neither
y=5x+12
y=5x-1.3
The pair of lines given are parallel to each other.
What is the general equation of a Straight line?The general equation of a straight line is -
[y] = [m]x + [c]
where -
[m] → is slope of line which tells the unit rate of change of [y] with respect to [x].
[c] → is the y - intercept i.e. the point where the graph cuts the [y] axis.
We have the following pair of lines -
y = 5x + 12
y = 5x - 1.3
Since the slope of lines are same, both of these lines are parallel to each other.
Therefore, the pair of lines given are parallel to each other.
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