Answer: 5x + 5
Step-by-step explanation:
You combine the two functions togther, and add the like terms.
2x +3 +3x +2
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What is the fifth term in the sequence 17.3, 34.3, 51.3, 68.3...?
A 77.7
B 85
C 85.3
D 89.7
The fifth term in the sequence would be C.
Aubrey has a new art box in the shape of a rectangular prism. The box is 12 cm by 20 cm by 5 cm. The
only thing in the art box is a new pink eraser with the dimensions shown below.
0.5 cm
2 cm
4 cm
What is the volume of the art box not taken up by the eraser?
Answer:
1196cm³
Step-by-step explanation:
Step 1
Find the volume of the Rectangular Prism = Length × Width × Height
Length = 12 cm
Width = 20 cm
Height = 5 cm
Volume of a Rectangular prism = 12 × 20 × 5
= 1200cm³
Step 2
Volume of the Eraser
The Eraser has the shape of a box.
Volume = Length × Width × Height
Length = 0.5 cm
Width = 2 cm
Height = 4 cm
Volume = 4cm³
Step 3
Find the volume of the art box not taken up by the eraser
Volume of the art box not taken up by the eraser = Volume of the Art box - Volume of the Eraser
= 1200cm³ - 4cm³
= 1196cm³
Therefore, volume of the art box not taken up by the eraser is 1196cm³
1.
Given points C(-6,5) and D(2.2):
A. Write the equation of the line through Cand perpendicular to CD.
B. Write the equation of the line through D and perpendicular to CD.
A. The equation of the line through C(-6,5) and perpendicular to CD is y = (8/3)x + 31/3; B. The equation of the line through D(2,2) and perpendicular to CD is y = (8/3)x - 10/3.
How to Find the Equation of Perpendicular Lines?A. To find the equation of the line through point C(-6,5) and perpendicular to CD, we need to determine the slope of CD and then find the negative reciprocal of that slope.
First, let's calculate the slope of CD using the coordinates of points C(-6,5) and D(2,2):
slope_CD = (y2 - y1) / (x2 - x1) = (2 - 5) / (2 - (-6)) = -3 / 8
The negative reciprocal of -3/8 is 8/3.
Now, using the point-slope form of a linear equation, we can write the equation of the line passing through C(-6,5) with a perpendicular slope of 8/3:
y - y1 = m(x - x1)
y - 5 = (8/3)(x - (-6))
y - 5 = (8/3)x + 16/3
Simplifying further:
y = (8/3)x + 31/3
B. To find the equation of the line through point D(2,2) and perpendicular to CD, we follow a similar process. The slope of CD is still -3/8, so the negative reciprocal is 8/3.
Using the point-slope form with D(2,2) and a perpendicular slope of 8/3:
y - y1 = m(x - x1)
y - 2 = (8/3)(x - 2)
y - 2 = (8/3)x - 16/3
y = (8/3)x - 16/3 + 6/3
y = (8/3)x - 10/3
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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar. Consider the given table. x -2 2 5 9 f(x) 5 17 26 ?
The "?" in the table represents the number_because the average rate of change on every interval of the function is_ .
A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The value of f(x) when the value of x is 9 is 38.
What is the equation of a line?A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of a line is given by,
y =mx + c
where,
x is the coordinate of the x-axis,
y is the coordinate of the y-axis,
m is the slope of the line, and
c is the y-intercept.
The given data points are in a linear relation, therefore, if we find the slope of the line on which these data points will be located. Then the slope will be,
m = (17-5)/(2+2) = 3
Now, equate any point and the slope in the general equation of line, therefore, the equation will be,
y = 3x + c
17 = 3(2) + c
17 - 6 = c
c = 11
Further, the value of f(x) when the value of x is 9 will be,
f(x) = 3x + 11
f(9) = 3(9) + 11
f(9) = 38
Hence, the value of f(x) when the value of x is 9 is 38.
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$112 in 8 hours to the nearest hundredth
Answer:
the answer is answer is 14
Step-by-step explanation:
doesnt need to be rounded
Line AB is on the coordinate plane and does not pass through the origin. Line AB is dilated with a scale factor of 3 and a center of dilation at the origin to create line A′B′. Describe the effect of the dilation on line AB. In particular, make sure to describe the relative location and size of line A′B′ compared to line AB. If Line AB was dilated with a scale factor of 13, how would your answer change?
Line A'B' is three times longer and three times further from the origin than line AB when line AB is dilated with a scale factor of 3 and a center of dilatation at the origin. The line's slope and direction are unaltered.
What is dilation?A geometric alteration called a dilation alters the size of a shape. A dilation increases each point's distance from the shape's fixed centre point by a predetermined scale factor. The form is "stretched" or made larger if the scale factor is more than 1, and "shrunk" if the scale factor is less than 1. The centre of dilation is the location where the dilation begins and ends. A dilatation keeps a figure's form but not always its orientation or location.
Line A'B' is three times longer and three times further from the origin than line AB when line AB is dilated with a scale factor of 3 and a center of dilatation at the origin. The line's slope and direction are unaltered.
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Ms. Ellen has a rectangular garden that's 2x+5 meters by 5x-3 meters. To plant grass seed in the garden, she needs to calculate the area of the garden. (Remember Area = length X width) If the seed costs $2.15 per square meter, how much will it cost to plant grass seed in the garden?
For this problem, we are given the dimensions of a garden and the cost of planting seeds per square meter in this garden. We need to determine the total cost of planting the seeds.
The first step is to calculate the area of the garden, for which we need to multiply the length and width:
\(\begin{gathered} A=(2x+5)(5x-3)\\ \\ A=10x^2-6x+25x-15\\ \\ A=10x^2+19x-15 \end{gathered}\)Now we need to multiply the area by the cost of the seeds per square meter. We have:
\(\begin{gathered} \text{ Cost}=(10x^2+19x-15)\cdot2.15\\ \\ \text{ Cost}=21.5x^2+40.85x-32.25 \end{gathered}\)The total cost is 21.5x² + 40.85x -32.25
Let: L1 = {bb} L2 = {a, ab} L3 = {æ € {a,b}*| |x|≤ 3} = {A, a, b, aa, ab, ba, bb, aaa, aab, aba, abb, baa, bab, bba, bbb} (L1;L2;) ∩ L3 = what?
The set of strings that are in both languages, which is {bba, bbab}.
How to find the strings of (L₁;L₂;) and L₃?The intersection of the languages specified by (L₁;L₂;) and L₃ is the set of strings that are in both languages.
The language (L₁;L₂;) is formed by concatenating a string from L₁ with a string from L₂. Since L₁ only contains the string "bb", every string in (L₁;L₂;) starts with "bb" and is followed by a string from L₂. Thus, (L₁;L₂;) contains the strings "bba" and "bbab".
The language L₃ contains all strings of length 3 or less over the alphabet {a,b}. Thus, L₃ contains the strings "a", "b", "aa", "ab", "ba", "bb", "aaa", "aab", "aba", "abb", "baa", "bab", "bba", and "bbb".
The intersection of (L₁;L₂;) and L₃ is the set of strings that are in both languages, which is {bba, bbab}.
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i really need help with math i am not the best at it
a Given:-
A image.
To find the total area of the given image.
So the given image is splitted into three images they are a triangle at the top and a rectangle at the middle and parallelogram at the bottom.
So the formula for triangle is,
\(A=\frac{1}{2}\times b\times h\)So the formula for rectangle is,
\(A=l\times b\)So the formula for parallogram is,
\(A=b\times h\)So from the given image we have the values as,
Triangle has,
\(b=3,h=4\)Rectangle has,
\(l=10,b=3\)Paralleogram has,
\(b=5,h=2\)So now we substitute the following values. so we get,
For Triangle,
\(\begin{gathered} A=\frac{1}{2}\times3\times4 \\ A=3\times2 \\ A=6 \end{gathered}\)For Rectangle,
\(\begin{gathered} A=10\times3 \\ A=30 \end{gathered}\)For paralleogram,
\(\begin{gathered} A=5\times2 \\ A=10 \end{gathered}\)So the total area is,
\(\begin{gathered} A=6+30+10 \\ A=46 \end{gathered}\)So the total area is 46 in.sq.
The graph represents the distribution of the lengths of play times, in minutes, for songs played by a radio station over one hour.
A graph shows the horizontal axis numbered 2.6 to x. The vertical axis is unnumbered. The graph shows an upward trend from 2.8 to 3.4 then a downward trend from 3.4 to 4.
Which statement is true about the songs played during the one-hour interval?
Most of the songs were between 3 minutes and 3.8 minutes long.
Most of the songs were 3.4 minutes long.
Most of the songs were less than 3.2 minutes long.
Most of the songs were more than 3.6 minutes long.
The correct statement is Most of the songs were between 3 minutes and 3.8 minutes long.
Based on the given information from the graph, we can determine the following:
The graph shows an upward trend from 2.8 to 3.4 on the horizontal axis.
Then, there is a downward trend from 3.4 to 4 on the horizontal axis.
From this, we can conclude that most of the songs played during the one-hour interval were between 3 minutes and 3.8 minutes long. This is because the upward trend indicates an increase in length from 2.8 to 3.4, and the subsequent downward trend suggests a decrease in length from 3.4 to 4.
Therefore, the correct statement is:
Most of the songs were between 3 minutes and 3.8 minutes long.
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Answer:
A
Step-by-step explanation:
A stained glass window has the dimensions shown. What is the perimeter of the hole that should be cut in the wall in order for the window to be installed?
Answer: She observed older fossils that contained many of the same minerals as the newer ones
Step-by-step explanation:
Answer:
chaupapi
\\
Step-by-step explanation:
What is the simplified form of startroot startfraction 2,160 x superscript 8 baseline over 60 x squared endfraction endroot? assume x ≠ 0.
The simplified form is \(6x^{3}\).
What are indices in maths?
An index, or a power, is the small floating number that goes next to a number or letter.The plural of index is indices. Indices show how many times a number or letter has been multiplied by itself.The equation is -
\(\sqrt{\frac{2160x^{3} }{60x^{2} } }\)
We can rewrite this using property of multiplication to obtain
\(\sqrt{\frac{2160}{60} * \frac{x^{8} }{x^{2} } }\)
We simplify variable expression in the radicand using
\(\frac{a^{m} }{a^{n} } = a^{m - n}\)
\(\sqrt{36 * x^{8 - 2} }\)
\(\sqrt{36 * x^{6} }\)
\(\sqrt{36 * (x^{3})^{2} }\)
\(\sqrt{36} * \sqrt{(x^{3})^{2} }\)
\(6 * x^{3}\)
Therefore, the simplified form is \(6x^{3}\)
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60 dollars for 12 hamburgers how much dollars per hamburger
Find the fifth roots of 3 + j3 in polar form and in exponential form.
The fifth roots of the complex number 3 + j3 can be expressed in polar form and exponential form. In polar form, the fifth roots are given by r^(1/5) * cis(theta/5),
To find the fifth roots of 3 + j3, we first convert the complex number into polar form. The magnitude r is calculated as the square root of the sum of the squares of the real and imaginary parts, which in this case is sqrt(3^2 + 3^2) = sqrt(18) = 3sqrt(2). The angle theta can be determined using the arctan function, giving us theta = arctan(3/3) = pi/4.
Next, we express the fifth roots in polar form. Each root can be represented as r^(1/5) * cis(theta/5), where cis denotes the cosine + j sine function. Since we are finding the fifth roots, we divide the angle theta by 5.
In exponential form, the fifth roots are given by r^(1/5) * exp(j(theta/5)), where exp denotes the exponential function.
Calculating the values, we have the fifth roots in polar form as 3sqrt(2)^(1/5) * cis(pi/20), 3sqrt(2)^(1/5) * cis(9pi/20), 3sqrt(2)^(1/5) * cis(17pi/20), 3sqrt(2)^(1/5) * cis(25pi/20), and 3sqrt(2)^(1/5) * cis(33pi/20).
In exponential form, the fifth roots are 3sqrt(2)^(1/5) * exp(j(pi/20)), 3sqrt(2)^(1/5) * exp(j(9pi/20)), 3sqrt(2)^(1/5) * exp(j(17pi/20)), 3sqrt(2)^(1/5) * exp(j(25pi/20)), and 3sqrt(2)^(1/5) * exp(j(33pi/20))
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Find the unit rate for each Lean Cuisine Entree. Show your
work
Please show work worth 40 points
Answer: 60
Step-by-step explanation:10 x 6 = 60 ( Also, 6x6x6x6x6x6x6x6x6x6 = 60
Help pleaseeeeee!!!!!
Answer:
its the 2nd one
Step-by-step explanation:
y=mx+b
M=slope
B=y-intercept
Answer:
Slope: 5x Y-Intercept: -7
Step-by-step explanation:
The slope is the rate at which it increases, the y-intercept is the point in the graph that crosses the y-axis
y=mx+b
mx = slope
b = y-intercept
4. Tom made a square measuring 8 feet by 8 feet, and had 18 friends stand inside it as if they are watching a band
at a small club. Find the ratio of this number to the rectangle's area. Choose the appropriate label for this ratio.
Answer:
9 people per 32 square ft
(or 9:32)
Step-by-step explanation:
First find the area:
8*8=64 sqr ft
Next create a ratio
18 people to 64'sqr
Now we try reducing
18/2 = 9
64/2 = 32
So the final ratio is 9 people per 32 square ft
9:32
Hope this helps! :)
Can someone Help me with this? I'm a bit confused?
Answer:
13
Step-by-step explanation:
Using the pytago We have
edge to find = apartment (5^2 + 12^2) = 13
The slope of the line below is -3. Write a point-slope equation of the line using the coordinates of the labeled points (5,-7)
The point-slope equation of the line for the given slope and coordinates is found as : y = -3x - 16.
Define the term point-slope equation?A line's equation written using a single point here on line and the line's slope is referred to as the point-slope form. The slope has been the rise with run, or the proportion of the change there in y values out over changes in the x values, and the point form is denoted as (x,y).For the stated question.
The slope of the line m = -3.
Coordinates = (5,-7)
The general point-slope equation is given as:
y - y1 = m (x - x1)
y - 5 = -3(x + 7)
y - 5 = -3x - 21
y = -3x - 16
Thus, the point-slope equation of line for the given slope and coordinates is found as : y = -3x - 16.
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Simplify the following [³√64a³]-¹
If f'(c) < 0 then f(x) is decreasing and the graph of f(x) is concave down when x = c. True False Question 4 (1 point). A local extreme point of a polynomial function f(x) can only occur when f'(x) = 0. True False Question 5 (1 point) If f'(x) > 0 when x < c and f'(x) < 0 when x > c, then f(x) has a maximum value when x = C. True False
Question 3: True
Question 4: False
Question 5: True
If the derivative of a function, f'(x), is positive for values of x less than c and negative for values of x greater than c, then it indicates a change in the slope of the function. This change from positive slope to negative slope suggests that the function has a maximum value at x = c.
This is because the function is increasing before x = c and decreasing after x = c, indicating a peak or maximum at x = c.
Question 3: If f'(c) < 0 then f(x) is decreasing and the graph of f(x) is concave down when x = c.
True
When the derivative of a function, f'(x), is negative at a point c, it indicates that the function is decreasing at that point. Additionally, if the second derivative, f''(x), exists and is negative at x = c, it implies that the graph of f(x) is concave down at that point.
Question 4: A local extreme point of a polynomial function f(x) can only occur when f'(x) = 0.
False
A local extreme point of a polynomial function can occur when f'(x) = 0, but it is not the only condition. A local extreme point can also occur when f'(x) does not exist (such as at a sharp corner or cusp) or when f'(x) is undefined. Therefore, f'(x) being equal to zero is not the sole requirement for a local extreme point to exist.
Question 5: If f'(x) > 0 when x < c and f'(x) < 0 when x > c, then f(x) has a maximum value when x = c.
True
If the derivative of a function, f'(x), is positive for values of x less than c and negative for values of x greater than c, then it indicates a change in the slope of the function. This change from positive slope to negative slope suggests that the function has a maximum value at x = c. This is because the function is increasing before x = c and decreasing after x = c, indicating a peak or maximum at x = c.
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31. Suppose that y varies inversely with x and that y = 4 when x = 6. What is an equation for the
inverse variation?
(1 po
6
Oy=
4x
24
y= —
2
24
Answer:
y = \(\frac{24}{x}\)
Step-by-step explanation:
Given that y varies inversely with x then the equation relating them is
y = \(\frac{k}{x}\) ← k is the constant of variation
To find k use the condition y = 4 when x = 6 , then
4 = \(\frac{k}{6}\) ( multiply both sides by 6 )
24 = k
y = \(\frac{24}{x}\) ← equation of variation
Which pair shows equivalent expressions?
03(x+2) = 3x+6
O 3x+2x= x(3+2)
o 3x+2 = 3(x+2)
O-3(2+x)=-6x-3
Answer:
3(x + 2) = 3x + 6
Step-by-step explanation:
3(x + 2) = 3x + 6
Distribute --> 3x + 6 = 3x + 6
The pair which shows equivalent expressions are 3(x + 2) = 3x + 6.
What are Expressions?Expressions are mathematical statements which consist of two or more terms and terms are connected to each other using mathematical operators like addition, multiplication, subtraction and so on.
Given are four equations.
A) 3(x + 2) = 3x + 6
This is equivalent, since,
3(x + 2) = 3x + (3 × 2) = 3x + 6
B) 3x + 2x= x² (3 + 2)
This is incorrect since, 3x + 2x = x(3 + 2)
C) 3x + 2 = 3(x + 2)
This is also not equivalent since we cannot take 3 outside since it is not common.
D) -3(2 + x) = -6x - 3
This is also not true since,
-3(2 + x) = (-3 × 2) + (-3x) = -6 - 3x.
Hence the equivalent expression is 3(x + 2) = 3x + 6.
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There is a bag with only red marbles and blue marbles.
The probability of randomly choosing a blue marble is
3/8
There are 56 marbles in total in the bag and each is equally likely to be chosen.
Work out how many red marbles there must be.
Answer:
red marbles
Step-by-step explanation:
Since the formula is;
Probability = number of required outcome
_______________________
number of possible outcome
3/8. = x/56
8x. = 168
x. 21 ( number of blue marbles)
Therefore if the total marbles = 56 and 21 of the marbles are blue then to get the red marbles
= 56 - 21
= 35
Find the measure of x.
10
х
20°
x = [?]
Round your answer to the nearest hundredth.
Answer:
3.42
Step-by-step explanation:
PLS HELP MEMEMEMEME
Determine if triangle RST and triangle UVW are or are not similar, and, if they are, state how you know. (Note that figures are NOT necessarily drawn to scale.)
The two triangles ΔRST and ΔUVW are similar to each other by the SAS property.
What is the similarity?Two objects are said to be comparable if they have the same shape. Therefore, two figures are said to be comparable in mathematics if they share the same shapes, lines, or angles.
Given that there are two triangles ΔRST and ΔUVW. ΔRST has the angle ∠T = 59° and the sides RT = 15 units and ST = 13 units. The other triangle ΔWVU has the angle ∠W = 59° and the sides WV= 52 units and WU= 60 units.
Firstly the two angles are the same,
∠T= ∠W = 59°
The two sides are dilated by a scale factor of 4,
WV / ST = 52 / 13 = 4
WU / RT = 60 / 15 = 4
So these sides are similar.
Hence, from the SAS property, the two triangles are similar.
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Find the minimum value of the function f(x) =0. 9x2+3. 4x-2. 4
The minimum value of the function f(x) =0. 9x2+3. 4x-2. 4 is -3.77 and its parabolic curve is upward because of its minimum value.
Let's consider the equation of a function.
f(x) = \(0.9x^{2} + 3.4x -2.4\)
Now, divide each and every element and assume that a, b, and c are coefficients of the function given.
a: 0.9
b: 3.4
c: -2.4
The sign of the coefficient of a determines the exposure of the parabola. Since a > 0, the parabola is open upwards and has a minimum value.
We can find the "x" of the vertex using the following expression.
x(v) = -b/2a = -3.4/(0.9)
x(v) = -3.77
We can find the "y" of the vertex by replacing this x in the equation
y(v) = 0.9(-3.77)² + 3.4(-3.77) -2.4
y(v) = -2.42
The minimum value of the function is -3.77
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90 points!!! please help meh out thankssss!!
The table shows the multiplication of two linear expressions. Select the correct reason for each step.
Reason 1:
Reason 2:
Reason 3:
Reason 4:
(A)associative property of multiplication
(B)commutative property of multiplication
(C)istributive property
(D) simplify
Reason 1: Distributive Property
The 1/4 x was distributed to each term in the parentheses.
Reason 2: Commutative Property
The individual factors were moved around to put numbers next to numbers and variables next to variables. (Technically the associative property was also used, to break down the previous parentheses, but I don't think your teacher is thinking about that.)
Reason 3: Associate Property
The similar factors were then regrouped.
Reason 4: Simplify
This is just simplifying.
Reason 1: Distributive property
Reason 2: Commutative property
Reason 3: Associative property
Reason 4: Simplify
What are the basic properties of Maths?What is the property of commutativity?
The rule governing the ordering of variables is the commutative property. It states that the order of the variables does not influence the final answer when they are added or multiplied.
What is the property of associativity?
The associative feature of real numbers relates to grouping variables. It states that altering the grouping of variables added to or multiplied by one another has no effect on the output.
In mathematics, what is a distributive property?
This property states that multiplying the sum of two or more addends by a number yields the same result as multiplying each addend separately by the number and then putting the resulting products together.
Detailed Explanation:First Argument: Distributive Property
\(\frac{1}{4x}\)was allocated to each phrase between the parenthesis.
Reason 2: Property of Commutation
The individual elements were rearranged in order to place numbers alongside numbers and variables alongside variables. (Technically, the associative property was also utilized to separate the preceding parenthesis, although I doubt your teacher is aware of this.)
Reason 3: Associative Property
Similar elements were subsequently gathered.
Fourthly: simplify
This is just simplifying.
Reason 1: Distributive property
Reason 2: Commutative property
Reason 3: Associative property
Reason 4: Simplify
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Y-intercept and slope pls help
Check the picture below.
to get the slope of any straight line, we simply need two points off of it, let's use those two in the picture below
\((\stackrel{x_1}{15}~,~\stackrel{y_1}{200})\qquad (\stackrel{x_2}{40}~,~\stackrel{y_2}{125}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{125}-\stackrel{y1}{200}}}{\underset{\textit{\large run}} {\underset{x_2}{40}-\underset{x_1}{15}}} \implies \cfrac{ -75 }{ 25 } \implies - 3\)