On simplifying the given equation, the result would be: 1/5 + 11/5m
How to simplify expressions?The technique of writing an algebraic expression in the most effective and compact form without altering the original expression's value is known as simplification.
The procedure involves gathering related phrases, which calls for adding or removing terms from an expression.
Let's review a few key words that are utilized while simplifying an expression:
In an algebraic expression, a variable is a letter whose value is unknowable.
A numerical value used in conjunction with a variable is the coefficient.
A phrase with a known value is referred to as a constant.
Similar letter and power variables are referred to as like words. Sometimes various coefficients might be found between like terms. For instance, the phrases 6x2 and 5x2 are comparable because they both have variables with exponents of 2. Similar to this, 7yx and 5xz are dissimilar concepts because they each have unique variables.
The fundamental guidelines and procedures to simplify any algebraic statement are as follows:
-By multiplying factors, remove any grouping symbols like brackets and parenthesis.
-If the terms contain exponents, use the exponent rule to eliminate grouping.
-Add or subtract like terms to combine them.
Add the constants together.
As per the question:
2(m+11)/10m =(m+11)/5m
=1/5 + 11/5m
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Find the value of x and XZ if Y is between X and Z, XY = 19, YZ = 2x+5,
and XZ = 6x + 12.
The values of x and XZ, calculated by the given equations are 3 and 30 respectively.
What is a equation?
The equals sign indicates that two expressions in an equation are equal. An equation is a mathematical formula. The meaning of the word equation and its cognates may change a bit depending on the language. An equation is defined as including one or more variables in French, as opposed to English, where an equation is defined as any well-formed formula that consists of two expressions connected by the equals sign.
Given information (and equations) in the question:
Y is between X and Z,
XY = 19,
YZ = 2x+5,
XZ = 6x+12
Since the question say Y is between X and Z, it means:
XY + YZ = XZ
Substituting the values in this equation by the values given in the question:
19 + 2x + 5 = 6x + 12
24 - 12 = 4x
x = 3
putting the value of x in the given equation:
XZ = 6x + 12
XZ = 6(3) + 12
XZ = 18 + 12
XZ = 30
Hence, the values of x and XZ are 3 and 30 respectively.
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The two figures are similar. Find the ratios (red to blue) of the perimeters and of the areas. Write the ratios as fractions in simplest form. Ratio (red to blue) of the perimeters: Ratio (red to blue) of the areas: pleas help
Answer:
5/8 and 25/64
9. Find the area of the shaded region.
22 cm
10 cm
7 cm
Find (a) f(-8) and (b) f(3).
(a) f(-8)=
(b) f(3) =
Answer:
[a] 15
[b] 13
Step-by-step explanation:
We can use the visual diagram given to solve. We can see that when you input -8 (on the left side) the arrow leads to the output 15, our answer.
We use the same method for part b. When you input 3 (on the left side) the arrow points to 13 (on the right side) giving us an answer of 13.
Here is a linear equation: y = 2/3x + 1 Are (6, 5) and (9, 8) solutions to the equation? Explain or show your reasoning.
The equation y = 2/3x + 1 has a solution of (6, 5) and not (9, 8)
How to determine if the ordered pairs are part of the solutions?From the question, the equation is given as
y = 2/3x + 1
Also, we have the ordered pairs to be
(6, 5) and (9, 8)
For (6, 5), we have
x = 6 and y = 5
So, the equation becomes
5 = 2/3 x 6 + 1
Evaluate
5 = 5 --- true
For (9, 8), we have
x = 9 and y = 8
So, the equation becomes
8 = 2/3 x 9 + 1
Evaluate
8 = 7 --- false
Hence, (6, 5) is part of the solution and (9, 8) is not
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solve for v: -28 = v +-12
Answer:
v = -16
Step-by-step explanation:
Move the variable to the left-hand side and change its sign, so it would then be -28 - v = -12
Then move the constant to the right-hand side and change its sign, so it would become - v = -12 + 28
Then you would calculate the sum: - v = 16
After doing so, change the sides on both sides of the equation, v = -16
So, your answer should be v = -16
Which list shows the values in order from least to greatest?
0-0.5
√(0.5)
0-0.5
20% √/0.5
○ 20% |−0.5| √/0.5
○ = √/0.5 |−0.5| 20%
20%
The values in order from least to greatest are 0-0.5,√(0.5),20%,20% √/0.5,√/0.5 |−0.5| 20%. we eliminate 0-0.5 because the value is two times in the option.
What is the percentage?Percentage represents a proportion or a fraction of a whole, expressed as a portion of 100. It is commonly denoted by the symbol "%" (percent), which literally means "per hundred."
According to the given information:
The values in the list are:
0-0.5 = a range of values from 0 to 0.5, inclusive
√(0.5) ≈ 0.7071
20% = 0.2
20% √/0.5 = 0.2 * √(0.5) ≈ 0.1414
√/0.5 |−0.5| 20% = √(0.5) * |−0.5| * 0.2 ≈ 0.0707
Therefore, the correct list in order from least to greatest is:
0-0.5
√(0.5)
20%
20% √/0.5
√/0.5 |−0.5| 20%
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Please answer all 3 questions in the photo for easy point! ( 30 points + Brainliest )
Answer:
6. a because a rectangle with sides 8 and 2 has a perimeter of 20 but its area is 16.
7. d because 4 is an even number and it is a perfect square.
8. b because a pen can be used to write but is not a utensil.
Step-by-step explanation:
2b+3=7
2z+2=8
6b+2=14
7d−3=18
Answer:
b=2
z=3
again b=2
d=3
Step-by-step explanation:
don't know what to explain
Is y=6x proportional?
y = 6x is proportional.
Proportionality between x and y is defined if there is a constant of proportionality 'k' such that y = kx.
So here, the constant of proportionality in y = 6x is 6.
This equation also means that y varies directly with respect to x and then 6 is the constant of variation.
That is, y is directly proportional to x.
Then a change in y implies a corresponding change in x in the same direction as that of y.
If x increases, then y also increases and if x decreases, then y also decreases.
These changes are related to the constant of proportionality 6.
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[Isosceles and Equilateral Triangles] Solve for x.
The required value of x is 34° in figure 4, x is 57° in figure 5, x is 81° in figure 6, x is 122° in figure 7, x is 65° in figure 8, x is 54° in figure 9, x is 90° in figure 10, x is 60° in figure 11, and x is 62° in figure 12.
What are the Equilateral Triangles?
In any equilateral triangle, the three angles are of equal measure and they equal 60 degrees.
As per figure 4,
x° + 56° + 90° = 180
x = 180 - 146
x = 34°
As per figure 5,
x = 57°
As per figure 6,
36 + 90/2 + 180-x = 180
36 + 45 - x = 180 - 180
x = 36 + 45
x = 81°
As per figure 7,
By the property of Equilateral Triangles
⇒ x = 180 - 58
⇒ x = 122°
As per figure 8,
By the property of Isosceles Triangles
x + 115 = 180
x = 180 - 115
x = 65°
As per figure 9,
6 + x + 60 + 60 = 180
x = 180 - 60 - 60 - 6
x = 54°
As per figure 10,
By the property of Equilateral Triangles
60/2 + 60 + x = 180
x = 180 - 60 - 30
x = 90°
As per figure 11,
By the property of Equilateral Triangles
2(30) + 60 + x = 180
x = 180 - 60 - 60
x = 60°
As per figure 12,
28 + 90 + x = 180
x = 180 - 118
x = 62°
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What real-world knowledge did you use to understand the STEM Task?
The real world knowledge we use to understand the STEM task are :
A) STEM integrates it's concepts and applications to real life.
B) STEM helps in finding solution to the practical issues.
C) Focuses on building models and replicating scenarios.
What is STEM ?
STEM education refers to the integrated teaching and learning of the subjects such as science, technology, engineering, and mathematics.
We know that STEM teaches critical thinking skills and instills a passion for innovation. Beyond the advantages of learning STEM subjects, STEM supports the problem-solving and inquisitive learning that are essential for success in a range of tasks and professions. Colleges are now incorporating all of these helpful ideas into their normal study courses, and the results are clearly very favorable.
The real world knowledge we use to understand the STEM task is as follows :
STEM education stresses the application of knowledge to real-life situations while integrating concepts that are often taught as separate courses in various classrooms.Finding a solution to a practical issue is often the focus of a STEM lesson or unit, which frequently emphasizes project-based learning.Building models and replicating scenarios are common STEM instructional activities. Students' understanding of the relationship to the real world is ensured by a competent STEM lesson.Therefore , the real world knowledge we use to understand the STEM task are :
A) STEM integrates it's concepts and applications to real life.
B) STEM helps in finding solution to the practical issues.
C) Focuses on building models and replicating scenarios.
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in the united states, the mean birth weight for boys is kg, with a standard deviation of kg. assuming that the distribution of birth weight is approximately normal, complete parts a through e.
The proportion of baby boys in the United States that are born with low birth weight is 0.0495
In a set with mean u and standard deviation σ , the z score of a measure X is given by:
Z= X - u / σ
Z = 2.5- 3.41/ 0.55
Z= -1.6545
Z= -1.65 has a p value of 0.0495
The proportion of baby boys in the United States that are born with low birth weight is 0.0495.
the complete question is
In the United States, the mean birth weight for boys is 3.41 kg with a standard deviation of 0.55 kg. Assume that the distribution of birth weight is approximately normal. A baby is considered of low birth weight if it weighs less than 2.5 kg. What proportion of baby boys in the United States are born with low birth weight
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in poker, 5 cards are randomly dealt from a standard deck of 52 cards. (a) how many poker hands contain cards that are all the same suit (this is called a flush)? (b) what is the probability of that all the cards in a poker hand are the same suit?
In probability , 5148 possible flushes in poker.
What is probability in math?
Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics refers to the study of events subject to probability.there are C(13,5) 5-card hands… i.e.
the number of combinations of taking 5 cards from 13 distinct cards.
But, since there are 4 suits, there are then 4*C(13,5) possible “flushes.”
Thus, there are 4*1287=5148 possible flushes in poker.
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∠1 and ∠2 are vetical angles. If m∠1 =(5x+12)° and m∠2 =(6x−11)°. m∠1=
⇒Vertical angles are equal .
This means that ∠1=∠2
⇒The trick is to first find the value of the unknown variable x then substitute it in the expression of ∠1 to get the exact magnitude of the angle.
[tex]5x+12=6x-11\\5x-6x=-11-12\\-x=-23\\\frac{-x}{-1} =\frac{-23}{-1} \\x=23[/tex]
x=23°
To get the exact value of ∠1 Plug in 23° in the place of x in the expression of ∠1:
[tex]< 1=5x+12\\=5(23)+12\\=127[/tex]
∠1=127°
help me pls battery is low help
The solution to the system of linear equations 6 · x + 2 · y - 9 = 0 and y = 2 · x - 3 is (x, y) = (1.5, 0).
How to resolve a system of linear equations by graphic methods
In this question we find a system of two linear equations and two variables, this can be done by using a Cartesian plane and drawing each line equation. The solution to the system is represented by the point of intersection of the two lines.
Therefore, the solution to the system of linear equations is (x, y) = (1.5, 0).
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The solution to the system of linear equations will be; 6x + 2y - 9 = 0 and y = 2x - 3 is; (1.5, 0).
What is a system of equations?A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be one degree.
To solve a system of linear equations by graphic methods: we need a system of two linear equations and two variables, using a Cartesian plane and each line equation.
The solution to the system is shown by the point of intersection of the given lines.
6x + 2y - 9 = 0
y = 2x - 3
6x + 2 (2x - 3 ) - 9 = 0
x = 1.5
(x, y) = (1.5, 0).
Hence, the solution to the system of linear equations would be; (x, y) = (1.5, 0).
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What is the equation of the line below?
Answer: Y = -2x + 1
Step-by-step explanation:
The line has a Y-Intercept of 1, shown as that's where the line passes the Y-Axis. The slope is negative 2, you can find such information by finding one point on a line, then making a triangle to the next point. In this case you would start at (0,1) and go right once (x axis) and down twice (y axis). The slope formula is y2-y1/x2-x1 or change in y/change in x, so if you put 2 (y axis) over 1 (x axis) you would have a slope of 2.
Evaluate the expression when x=5The expression is 4x -13.
To answer this question, we only need to replace x by 5, and then solve the resulting operations:
[tex]x=5\Rightarrow4x-13=4\cdot(5)-13=20-13=7[/tex]Therefore, the value for the expression 4x-13 when x = 5 is equal to 7.
Solve for x. Leave your answer in simplest radical form
Answer:
x = √213
I would appreciate this being marked as brainliest...
Step-by-step explanation:
This is a Pythagoras question because we are given two right-angled triangles and no internal angles other than the right angles.
That 7 is annoying because it won't form a Pythagorean triplet with 10. It means that the answer will probably be in radical form.
We can use radicals to represent the common side.
Introduce Pythagoras. The equation below forms a circle on a graph by the way where r is the radius of the circle.
a² + b² = c²;
Substitute the first triangle.
10² + 7² = c²;
100 + 49 = c²;
149 = c²;
c = √149;
Substitute the second triangle.
(√149)² + 8² = x²;
149 + 64 = x²;
213 = x²;
x = √213;
donuts are sold in bags and cartons. a bag holds four donuts and a carton holds 10 donuts. tom buys b bags of donuts and c cartons of donuts. he buys a total of t donuts. write down a formula for t in terms of b and c
Answer:
t = b+ c
total = bags + cartons
Circle O has a circumference of 88π cm.
Circle O has a radius length of r.
What is the length of the radius of the circle?
The length of the radius of the circle is 44cm.
This problem bothers on the mensuration of flat shapes, a circular shape.
Given data
Circumference of circle C= 88πcm
Radius of circle r=?
To find the length of the radius of the circle.
To solve for the radius let us apply the formula for the circumference of a circle
C=2πr
Substituting our given data
88π=2πr
Making r subject of formula we have
r= 88π/2π
r= 44cm
Hence, The length of the radius of the circle is 44cm.
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Ming had 59 birthday cupcakes. He gave 30 cupcakes to his classmates at school. Ming's family ate another 11 cupcakes at home.
How many cupcakes does Ming have left?
Answer:18
Step-by-step explanation:
59 - 30 - 11 = 18
Help I don’t understand what’s happening
Solution of Square root, x² = 30: x = √30 = √30² = 30, x = -√30 = -√30² = 30
Solution of Cube root, x³ = 30: x = ∛30 = ∛30³ = 30, x = -∛30 = -∛30³ = -30
Given,
Square root x² = 30
Then, the value of:
x = √30 = √30² = 30
x = -√30 = -√30² = 30
x = ∛30 = ∛30² = 3.107
x = -∛30 = -∛30² = -3.107
Now,
Cube root, x³ = 30
x = √30 = √30³ = 164.317
x = -√30 = -√30³ = -164.317
x = ∛30 = ∛30³ = 30
x = -∛30 = -∛30³ = -30
Therefore,
Solution of Square root, x² = 30:
x = √30 = √30² = 30
x = -√30 = -√30² = 30
Solution of Cube root, x³ = 30:
x = ∛30 = ∛30³ = 30
x = -∛30 = -∛30³ = -30
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141% as a mixed or whole number
Answer:
1 41/100
Step-by-step explanation:
Answer:
141/100 (Already in simplest form). As a mixed number, it is: 1 41/100
Step-by-step explanation:
Write an equation of the parabola in vertex form.
(-2, 6)
(-1,3)
The equation of parabola in vertex form is y=-3(x+2)^2+6
What is parabola and equation of parabola in vertex form?
Parabola is equation of a curve, such that a point on the curve is equidistant from a fixed point, and a fixed line. The fixed point is called the focus of the parabola, and the fixed line is called the directrix of the parabola.
The equation of parabola in vertex form is
y=a(x-h)^2+k
Given the vertex (-2,6) and (-1,3)
h=-2 and k=6
y=a〖(x+2)〗^2+6
To find the value of a at vertex (-1,3)
Put y = 3 and x = -1
3=a(-1+2)^2+6
3=a+6
a=-3
The equation of parabola is given by y=-3(x+2)^2+6
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6.2: The Return of the Box
Earlier, we learned we can make a box from a piece of paper by cutting squares of side
length x from each corner and then folding up the sides. Let's say we now have a piece of
paper that is 8.5 inches by 14 inches. The volume V, in cubic inches, of the box is a
function of the side length x where V(x) = (14-2x)(8.5-2x)(x).
1. Identify the degree and leading term of the polynomial. Explain or show your
reasoning.
2. Without graphing, what can you say about the horizontal and vertical intercepts of
the graph of V? Do these points make sense in this situation?
The leading term of the polynomial is [tex]4x^{3}[/tex] and the degree of the polynomial is 3.
A sheet of paper measuring 8.5 inches by 14 inches is currently in our possession. The box's volume V, measured in cubic inches, depends on the side length x, where V (x) = (14-2x)(8.5-2x)(x).
So, we have :
V (x) = (14-2x)(8.5-2x)(x)
[tex]V(x) = (14-2x)(8.5-2x)(x).\\V (x) = (14-2x)(8.5x-2x^{2} )\\V(x) = 4x^{3} -45x^{2} + 119x[/tex]
Thus, the leading term of the polynomial is [tex]4x^{3}[/tex] and the degree of the polynomial is 3.
Now, we have :
[tex]V(x) = 4x^{3} -45x^{2} + 119x\\V(x) = x ( 4x^{2} -45x +119)\\V(x) = x (x-7)(4x-17)[/tex]
Now, For intercepts, V(x) = 0
[tex]V(x) = x (x-7)(4x-17) = 0\\x (x-7)(4x-17) = 0\\\\x = 0, 7, 4.25[/tex]
Now when x = 0, V(x) =0
when x = 7, f(x) = 135
when x = 4.25, f(x) = 252.89
So, the points are (7, 135) and ( 4.25, 252.89)
These points represent the value of x and their corresponding value of V.
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a design engineer wants to construct a sample mean chart for controlling the service life of a halogen headlamp his company produces. he knows from numerous previous samples that when this service life is in control it is normally distributed with a mean of 500 hours and a standard deviation of 20 hours. on three recent production batches, he tested service life on random samples of four headlamps, with these results: sample service life (hours) 1 495 500 505 500 2 525 515 505 515 3 470 480 460 470 what is the mean of the sampling distribution of sample means when the service life is in control? multiple choice 500 hours 515 hours 495 hours 250 hours 470 hours
The mean of the sampling distribution of sample means is 495 hours.
What is the mean of the samples?
The mean of samples is the average of a set of samples or data.
This can be calculated using the formula:
Mean= (Sum of terms)/(Number of terms)
Find the mean of each sample as shown below:
Mean service life of sample 1 = [tex]\frac{495+500+505+500}{4} = \frac{2000}{4}[/tex]
= 500 hours
Mean service life of sample 2 =[tex]\frac{525 +515 +505 +515 }{4}=\frac{2060}{4}[/tex]
= 515 hours
Mean service life of sample 3 = [tex]\frac{470 +480 +460+ 470}{4}=\frac{1880}{4}[/tex]
= 470 hours
Find the mean of the sampling distribution of sample means using the formula:
Mean of the sampling distribution (M)
=(Sum of mean of given samples )÷( Number of samples)
M = [tex]\frac{500+515+470}{3}=\frac{1485}{3}[/tex]
M=495 hours
So, the mean of the sampling distribution of sample means is 495 hours.
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The mean of the sampling distribution of sample means is 495 hours.
What is the mean of the samples?
The mean of samples is the average of a set of samples or data.
This can be calculated using the formula:
Mean= (Sum of terms)/(Number of terms)
Find the mean of each sample as shown below:
Mean service life of sample 1 = [tex]\frac{495+ 500+ 505+ 500}{4}=\frac{2000}{4}[/tex]
= 500 hours
Mean service life of sample 2 = [tex]\frac{525+ 515+ 505+ 515 }{4}=\frac{2060}{4}[/tex]
= 515 hours
Mean service life of sample 3 = [tex]\frac{ 470+ 480 +460 +470}{4}=\frac{1880}{4}[/tex]
= 470 hours
Find the mean of the sampling distribution of sample means using the formula:
Mean of the sampling distribution (M)
=(Sum of mean of given samples )÷( Number of samples)
M = [tex]\frac{500+515+470}{3}=\frac{1485}{3}[/tex]
M=495 hours
So, the mean of the sampling distribution of sample means is 495 hours.
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What is the slope of the line that passes through the points (-4, -10)) and (-7, -19)
? Write your answer in simplest form.
Answer:
Slope = 3
Step-by-step explanation:
(-4, -10) and (-7, -19)
(x₁, y₁) (x₂, y₂)
y₂ - y₁ -19 - (-10) -19 + 10 -9
m = ------------ = ---------------- = ------------- = -------- = 3
x₂ - x₁ -7 - (-4) -7 + 4 -3
I hope this helps!
[tex](\stackrel{x_1}{-4}~,~\stackrel{y_1}{-10})\qquad (\stackrel{x_2}{-7}~,~\stackrel{y_2}{-19}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-19}-\stackrel{y1}{(-10)}}}{\underset{run} {\underset{x_2}{-7}-\underset{x_1}{(-4)}}} \implies \cfrac{-19 +10}{-7 +4} \implies \cfrac{ -9 }{ -3 } \implies 3[/tex]
[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-10)}=\stackrel{m}{ 3}(x-\stackrel{x_1}{(-4)}) \implies y +10= 3 (x +4) \\\\\\ y+10=3x+12\implies {\Large \begin{array}{llll} y=3x+2 \end{array}}[/tex]
Please help super confused ASAP.
Find f(-9) if f(x) = -2x + 5.
Enter DNE if the value does not exist.
f(-9)=
Work Shown:
f(x) = -2x+5
f(-9) = -2(-9)+5
f(-9) = 18+5
f(-9) = 23
A $1,000 deposit is made at a bank that pays 12% compounded
How much will you have in your account at the end of 10
monthly.
years?
Answer- 3,315.53007332
Step-by-step explanation:
In this example the compounded is weekly, so the interest rate has to be converted to a weekly interest rate of tex2html_wrap_inline224 .
At the end of the first week, you will have the $1,000 you had at the beginning of the week plus the interest on the $1,000 or tex2html_wrap_inline226 . At the end of the week you will have
displaymath228