Answer:
x = 1/3
Step-by-step explanation:
1/2 + X = 5/6
collecting the like terms
X = 5/6 - 1/2
making one fraction on the left side by taking the common denominator
X = (5 - 3)/6
X = 2/6
devide the numerator and denominator by 2, you get
X = 1/3
Complete the series 44,26,60,34
Answer:
76,42,92,50........
Step-by-step explanation:
Each number is series of product of the digit
11*4=44,
13*2=26,
15*4=60,
17*2=34,
19*4=76,
21*2=42,
23*4=92,
25*2=50,
27*4=108,...
May be this çould help you.
what is angle JLK?
a. 23 degrees
b. 24 degrees
c. 67 degrees
d. 134 degrees
Answer:
Answer is c, 67.
Step-by-step explanation:
So angle L and K are going to be the same, and so its going to be:
46+2n=180, since 180* inside a triangle and n= both L and K.
180-46=134
134/2=67
Both K and L will be 67.
Answer is c, 67.
To check, 46+67+67=180
The measure of angle JLK is 67 degree.
What is a triangle?A triangle is a polygon that has three sides and three vertices. It is one of the basic figures in geometry.
The angle L and K are going to be the same;
46+2n=180,
Since 180 inside a triangle and n= both L and K.
180-46=134
134/2=67
Both K and L will be 67.
The answer is c, 67.
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Aspen has 306 green beads and 210 silver beads. For every 5 cm of a belt that Aspen sews,
they use 40 green beads and 24 silver beads.
After how many centimeters of the belt will Aspen have equal numbers of green and silver
beads left?
Answer:
30 cm
Step-by-step explanation:
every 5 cm of a belt, 16 more green beads are used.
there are 96 more green beads than silver, so it will take 6 5 cm belts in order to have equal numbers of green and silver beads left
Answer:
Step-by-step explanation:
After Aspen sews 30 cm of the belt, they have equal numbers of green and silver beads left. ANSWER:30
If the vertex of a parabola is (-4,-7), what is the axis of symmetry?
Answer:
-4
Step-by-step explanation:
Given vertex, the axis of symmetry is x = h.
Given the following function, find f(-5), f(0), and f(3).
f(x) = x^2+5
Answer:
f(-5) = 30
f(0) = 5
f(3) = 14
Step-by-step explanation:
=> f(x) = x²+5
for , f(-5) = (-5)² +5
=> 25 +5
=> 30
for , f(0) = (0)² +5
=> 5
for , f(3) = (3)² + 5
=> 9 + 5
=> 14
The graph below shows a company's profit f(x), in dollars, depending on the price of erasers x, in dollars, sold by the company:
Part A: What do the x-intercepts and maximum value of the graph represent? What are the intervals where the function is increasing and decreasing, and what do they represent about the sale and profit? (4 points)
Part B: What is an approximate average rate of change of the graph from x = 1 to x = 4, and what does this rate represent? (3 points)
Part C: Describe the constraints of the domain. (3 points)
Based on the given graph relating to the company's profit f(x), the x-intercepts are (0, 0) and (0, 8) and the maximum value is 270.
What does the graph show?The x-intercepts are the points where the graph crosses the x axis. It does so at first at (0,0) and then after going up and coming down, it again intersects at (0, 8).
The maximum value the graph reaches is 270 on the y-axis.
The function is increasing at the interval, (0, 4) and decreasing from (4, 8).
What this shows is that an increase in price between 0 and 4 would lead to an increase in profit but between 4 and 8 results in profits dropping.
In part B, the average rate of change from x=1 to x =4 is:
= (270 - 120) / (4 - 1)
= 50
In part c, the constraints are:
x ≥ 0
f(x) x ≤ 8
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The vertices of a composite figure are given. Find the area of the figure.
G(-5, -1), H(-5, 1), I(2, 4), J(5, -1), K(1, -3)
Check the picture below.
so the composite is really a trapezoid and two triangles, let's get their area and sum them all up.
[tex]\textit{area of a trapezoid}\\\\ A=\cfrac{h(a+b)}{2}~~ \begin{cases} h~~=height\\ a,b=\stackrel{parallel~sides}{bases~\hfill }\\[-0.5em] \hrulefill\\ a = 2\\ b = 5\\ h = 7 \end{cases}\implies A=\cfrac{7(2+5)}{2} \\\\[-0.35em] ~\dotfill[/tex]
[tex]\stackrel{\textit{\LARGE Areas}}{\stackrel{yellow~trapezoid}{\cfrac{7(2+5)}{2}}~~ + ~~\stackrel{blue~triangle}{\cfrac{1}{2}(\stackrel{b}{3})(\stackrel{h}{5})}~~ + ~~\stackrel{orange~triangle}{\cfrac{1}{2}(\stackrel{b}{10})(\stackrel{h}{2})}} \\\\\\ 24.5~~ + ~~7.5~~ + ~~10\implies \text{\LARGE 42}[/tex]
PLS HELP!!!!!!!!!!! Find x
Answer:
120
Step-by-step explanation:
The angle below x is 40 degree cause alternate angle. Then you get,
20+x+40=180
60+x=180
x=180-60
x=120
mrs smith had 46$more than mrs wilson at first mrs wilson spent 4/7 of her money on some clothes and mrs smith spent 3/5 of her on household items after that they had an equal amount of money left find the total amount of money the two ladies spent.
please solve it as soon as posible
Using a system of equations, it is found that the total amount of money the two ladies spent was of $782.
What is a system of equations?A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are:
Variable x: Amount Mrs. Smith had initially.Variable y: Amount Mrs. Wilson had initially.Mrs smith had $46 more than Mr.s Wilson at first, hence:
x = y + 46.
Mrs Wilson spent 4/7 of her money on some clothes and, and Mrs. Smith spent 3/5 of her on household items, then they remained with an equal amount, so:
[tex]\frac{2}{5}x = \frac{3}{7}y[/tex]
Since x = y + 46, we have that:
[tex]\frac{2}{5}(y + 46) = \frac{3}{7}y[/tex]
14(y + 46) = 15y
y = 14 x 46
y = $644
x = 644 + 46 = $690
Hence the amount they spent is given as follows:
[tex]\frac{3}{5}x + \frac{4}{7}y = \frac{3}{5} \times 690 + \frac{4}{7} \times 644 = 782[/tex]
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i need help pls.............
Answer:
P = 6750n +7800rn ≤ 19r ≤ 31160n +620r ≤ 8110n = 19r = 8190,650 peopleStep-by-step explanation:
This linear programming problem is described by an objective function and constraints on the variables. A graphical solution works well.
Objective functionThe goal is to maximize the number of people exposed to the company's ad(s). The number of people reached is the sum of the products of the number of ads and the number reached per ad.
For n newspaper ads, we are told that 6750n people are reached.
For r radio ads, we are told that 7800r people are reached.
The total number of people reached is ...
P = 6750n +7800r . . . . . . . the function we wish to maximize
Newspaper adsWe can run at most 19 newpaper ads:
n ≤ 19
Radio adsWe can run at most 31 radio ads:
r ≤ 31
BudgetThe cost of n newspaper ads will be $160n.
The cost of r radio ads will be $620r.
We must stay within a budget for the ads, $8100:
160n +620r ≤ 8110
SolutionThe white area in the first quadrant of the attached graph represents the feasible solution space. (We reversed the inequality symbol in each inequality so the solution space would be white, not triple-shaded.) The corners of the solution space represent possible (n, r) pairs where the objective function might be maximized.
The solid red line on the graph shows the maximum value the objective function might have, and the (n, r) pairs that would give that maximum value. The value of the objective function increases the farther the line is from the origin. Drawing the line on the graph lets us readily identify the (n, r) coordinate pair that will place this line as far as possible from the origin, maximizing P. We find that to be (n, r) = (19, 8).
the number of newspaper ads to run is 19the number of radio ads to run is 8the group exposure is (6750)(19) +(7800)(8) = 190,650A person paid by the hour works 15 hours a week and makes $502. How
much would they make if they work 34 hours?
Answer:
$1137.87
Step-by-step explanation:
Frist, we will find the hourly rate.
Given 15 hours = $502,
1 hour = [tex]\frac{502}{15} \\[/tex] = [tex]33\frac{7}{15}[/tex]
Note: Will leave the rate as a fraction as to maintain maximum accuracy.
34 hours = [tex]33\frac{7}{15}*34[/tex] = $1137.87 (nearest cent)
You plan to make a new fenced area in your back yard for your dog. The length of each side of the new dog area is
shown in meters in the diagram below. What is the perimeter of the new dog area?
20 meters
23 meters
29 meters
26 meter
Find a formula for the nth term in this arithmetic sequence first term -2 common difference an=
A block exerts a force of 84 Newtons on a table.
The pressure on the table is 30 N/m².
Work out the area of the box that is in contact with the table.
Total for question 5 is 2 marks)
pressure =
force
area
Answer:
2.8m²
Step-by-step explanation:
p = F / A
A = F / p
A = 84 / 30
A = 2.8m²
Por favor ayuda con este ejercicio
Answer:
-
-
+
+
Step-by-step explanation:
Suppose that Andrea told you that “Blake and I started out with the same number of marbles, but I gave him one of mine. Now Blake has one more marble than me.” Is Andrea’s reasoning incorrect? If so, how can you help Andrea identify her misunderstanding?
Step-by-step explanation:
i know this but i don't have time now
Andrea has one less than she started with , Blake has one more than he started with. Therefore , Blake has two more than he started with. Therefore, the correct answer is option B.
Andrea told that 'Blake and I started out with the same number of marbles, but I gave him one of mine. Now Blake has one more than me. '
Here Andrea is wrong with her conclusion. Let's understand this by taking some values.
Let's consider that Andrea and Blake both have 4 marbles(Since it is given that 'they have equal number of marbles). And Andrea gave one of her marbles to Blake. So number of marbles of Andrea will become 4-1=3. And number of marbles of Blake = 4+1 =5. If we compare them , Blake has 2 more marbles than Andrea.
Therefore, the correct answer is option B.
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"Your question is incomplete, probably the complete question/missing part is:"
Suppose that Andrea told you that “Blake and I started out with the same number of marbles, but I gave him one of mine. Now Blake has one more marble than me.” Is Andrea’s reasoning incorrect? If so, how can you help Andrea identify her misunderstanding?
A. Blake needs to take one of his marbles away first. Then, Andrea can give him one of hers. Thus, Blake will have one more than Andrea.
B. Andrea has one less than she started with Blake has one more than he started with. Therefore, Blake has two more than Andrea.
C. Andrea meant to say that after giving Blake one of her marbles, show would have one less than Blake.
D. Andrea meant to say that she took one of her marbles away and not give it to Blake. Therefore, Blake would only have one more than her.
Find the area of figure below,
Answer: 57 cm²
Step-by-step explanation:
We can split this figure into two shapes: the rectangle on the left and the triangle on the right. We can find the area of each separately and add them to get the total area.
RectangleThe area of a rectangle is [tex]lw[/tex], where l is the length and w is the width. We can just multiply 8 and 6 to get the area of the rectangle.
[tex]A=8*6\\A=48[/tex]
TriangleThe area of the triangle is [tex]\frac{1}{2}bh[/tex], where b is the base of the triangle and h is the height. Here' the base would be 6 cm as opposite sides of a rectangle have the same measure, and the height is 3.
[tex]A=\frac{1}{2}(6*3)\\A=\frac{1}{2}(18)\\A=9[/tex]
TotalThe total area would just be the sum of the two separate areas.
[tex]48+9=57[/tex]
Hence, the area of the figure is 57 cm².
Answer: 57 cm^2
Step-by-step explanation:
To find the entire area of the figure, we have to find the area of the rectangle and the triangle and sum it up
The area of the rectangle is 6 * 8 = 48 cm^2
The area of the triangle is 1/2 * 3 * 6(Opposite sides of a rectangle have equal lengths) = 9 cm^2
So the area of the figure is 48 + 9 = 57 cm^2
SOMEONE PLEASE HELP ASAPP I NEED HELP
Answer:
11
Step-by-step explanation:
Type the correct answer in each box.
[3 x 6 1 -8 5] and -5A = [-15 35 -30 -5 40 y]
The value of x in A is ___ and the value of y in B is ___
The value of x in A is 7 and the value of y in B is -15
Functions and valuesFunctions are represented as a function of variable. Given the following sets of numbers.
A = [3 x 6 1 -8 5] and;
-5A = [-15 35 -30 -5 40 y]
Equate the individual values to have:
-5A= -15
Divide both sides by -5
-5A/-5 = -15/-5
A = 3
Determine the value of y
-5A = y
-5(3) = y
y = -15
Similarly;
5x = 35
x = 35/5
x = 7
Hence the value of x in A is 7 and the value of y in B is -15
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Answer:
The value of x in A is -7
The value of y in B is -25
Step-by-step explanation:
Everything in the first matrix can be multiplied by -5 to equal everything in the second matrix, since we are dealing with x and y, only the first and third rows matter.
In the first row, we know that 3 times -5 equals -15 and x times -5 equals 35
therefore, -5x=35, with basic algebra we find that X = -7
In the third row, we know that 8 times -5 is 40 and 5 times -5 equals y.
This takes just basic multiplication to find that Y = -25
In 2001 the total cost of manufacturing an article was sh.1250 and this was divided between the cost of materials was doubled,labour cost increased by 30% and transport costs increased by 20%.calculate the cost of manufacturing the article bin 2004
The cost of manufacturing the article bin 2004 will be 1875.
What is Percentage Increased ?Percentage increase is the ratio of increase to the initial value in percentage.
Given that In 2001 the total cost of manufacturing an article was sh.1250 and this was divided between the cost of materials was doubled, labor cost increased by 30% and transport costs increased by 20%
Given that in 2001, the cost of manufacturing = 1250
If this cost was divided between the Material, labor, and transportation equally, then, cost for each sector will 1250/3 = 416.67
cost of materials was doubled, that is 416.67 x 2 = 833.33labor cost increased by 30% , that is 130/100 x 416.67 = 541.67transport costs increased by 20% that is, 120/100 x 416.67 = 500The cost of manufacturing = 833.33 + 541.67 + 500
The cost of manufacturing = 1875
Therefore, the cost of manufacturing the article bin 2004 will be 1875.
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Students were surveyed about their preference between dogs and cats. The following two-way table displays data for the sample of students who responded to the survey. Preference Male Female TOTAL Prefers dogs 36 20 56 Prefers cats 10 26 36 No preference 2 6 8 TOTAL 48 52 100 Of females in the sample, what fraction prefer cats? Choose 1 answer: 26 52 36 100 26 36 26 100
Based on the data presented, it can be concluded out of the 52 females 26 prefer cats.
How to read the graph?To read the graph we must take into account that the rows refer to the preference of men, preference of women and those who have no preference.
On the other hand, the columns refer to the number of students of both genders who prefer or do not prefer each animal. Additionally, adding all the students of each gender we have the total of the sample.
According to the above, the total sample of female students would be 52.
20 + 26 + 6 = 52According to the above, the fraction that expresses this relationship correctly is:
[tex]\frac{26}{52}[/tex]
Note: This question is incomplete because the graph is missing. Here is the graph.
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A pet store has 5 puppies, including 2 poodles, 2 terriers, and 1 retriever. Rebecka and Aaron, in that order, each select one puppy at random without replacement. Find the probability that Aaron
selects a retriever, given Rebecka selects a retriever.
The probability is
(Type an integer or a simplified fraction.)
Answer:
1/4
Step-by-step explanation:
Rebecka already chose a retriever, so the puppies left for Aaron to pick are:
2 poodles
2 terriers
1 retriever
Total: 4
Number of retrievers left after Rebecka's pick: 1
p(Aaron picks retriever) = 1/4
Leila bought 3 gallons of milk in one-gallon containers. She paid $9.75. QUESTION: What is the unit rate?
Hello and Good morning/afternoon:
Let's take this problem step-by-step:
What does the problem want:
⇒ unit rate ⇒ price per gallon
What does the problem give us:
⇒ price of all three milk
⇒ number of gallons of milk bought
Therefore
[tex]\hookrightarrow \text {unit rate} = \text{total amount of money spent} / \text {total amount of milk bought}\\\\\hookrightarrow\text{unit rate} = 9.75 / 3 = 3.25 _. \text {dollar per gallon}[/tex]
Answer: 3.25 dollars per gallon
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Use the drop-down menus to complete each equation so the statement about its solution is true.
No Solutions 2x+5+2x+3x= x +
One Solution 2x+5+2x+3x= x +
Infinitely Many Solutions 2x+5+2x+3x= x +
Since there is only one value of x, hence the equation given has only one solution
Equations and expressionsEquations are expressions separated using mathematical operations. Given the equation below;
2x+5+2x+3x = x
Collect the like terms
2x+2x+3x -x = -2
7x -x = -2
Simplify
6x = -2
x = -2/6
x = -1/3
Since there is only one value of x, hence the equation given has only one solution
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What is the perimeter of the figure shown? Round your answer to the nearest tenth.
help asap please
tysm
If the points of the vertices are (-3,1_,(4,2),(9,-3),(2,-4) then the perimeter of the figure is 28.28 units.
Given points of the vertices of the figure having four sides be (-3,1),(4,2),(9,-3),(2,-4).
We have to find the perimeter of the figure.
Perimeter is the sum of lengths of all the sides of a figure.
First give some name to the points so that it will be easy to understand the sides like A(-3,1),B(4,2),C(9,-3),D(2,-4).
Perimeter of the figure =AB+BC+CD+DA
AB=[tex]\sqrt{(2-1)^{2} +(4+3)^{2} }[/tex]
=[tex]\sqrt{1+49}[/tex]
=[tex]\sqrt{50}[/tex] units
BC=[tex]\sqrt{(9-4)^{2} +(-3-2)^{2} }[/tex]
=[tex]\sqrt{25+25}[/tex]
=[tex]\sqrt{50}[/tex]units
CD=[tex]\sqrt{(2-9)^{2} +(-4+3)^{2} }[/tex]
=[tex]\sqrt{49+1}[/tex]
=[tex]\sqrt{50}[/tex] units
DA=[tex]\sqrt{(2+3)^{2} +(-4-1)^{2} }[/tex]
=[tex]\sqrt{25+25}[/tex]
=[tex]\sqrt{50}[/tex] units
Perimeter=[tex]\sqrt{50} +\sqrt{50} +\sqrt{50} +\sqrt{50}[/tex]
=4[tex]\sqrt{50}[/tex]
=4*5*[tex]\sqrt{2}[/tex]
=20[tex]\sqrt{2}[/tex]
=20*1.411
=28.284
After rounding off we will get 28.28 units.
Hence if the points of the vertices are (-3,1_,(4,2),(9,-3),(2,-4) then the perimeter of the figure is 28.28 units.
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complete-the-sequence-1/1-1/2-1/9-1/64,..
i am trying to figure its formula to find its 10th term .
The 10the term of the sequence -1/1, -1/2, -1/9, -1/64....is -1/1,000,000,000
Sequence-1/1, -1/2, -1/9, -1/64
This can be written as;
-1/1° , -1/2¹, -1/3², -1/4³, -1/5⁴, -1/6^5, -1/7^6, - 1/8^7, -1/9^8, -1/10^9
So,
First term = -1/1,
Second term = -1/2,
Third term = -1/9,
Fourth term = -1/64,
Fifth term = -1/625,
Sixth term = -1/7,776,
Seventh term = -1/117,649,
Eighth term = -1/2,097,152,
Ninth term = -1 / 43,046,721,
Tenth term = -1/1,000,000,000
Therefore, the 10th term is -1/1,000,000,000
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need heeeelp please
Step-by-step explanation:
For a rational function, we cannot values in the domain that will make the denominator 0.
So set the denominator =0
[tex] {x}^{2} - 1 = 0[/tex]
[tex] {x}^{2} = 1[/tex]
[tex]x = 1[/tex]
or
[tex]x = - 1[/tex]
So the answer is (-1,1)
For a certain company, the cost function for producing x items is C(x)=50x+250 and the revenue function for selling x items is R(x)=−0.5(x−110)2+6,050 . The maximum capacity of the company is 150 items.
The company sells all that it produces, the profit function is:-0.5x2+60x-250.
Profit functionP(x)= R(x)-C(x)
=-0.5(x-110)2 +6050-(50x+250)
Let Distribute Negative Sign
P(x)= -0.5(x-110)2 + 6050 +-1(50x+250)
P(x)= -0.5(x-110)2 + 6050 +-1(50x) + (-1) (250)
P(x)= -0.5(X-110)2 +6050 +-50x + -250
Distribute P(x)= -0.5x2+110x+-6050+6050+-50x+-250
Combine Like Terms
P(x)= -0.5x2 +110x+-6050+6050+-50x+-250
P(x)=(-0.5x2) + (110x+-50x) + (-6050+6050+-250)
P(x)= -0.5x2+60x-250
Therefore the company sells all that it produces, the profit function is:-0.5x2+60x-250.
The missing requirement is:
Assuming that the company sells all that it produces, what is the profit function?
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HELP PLEASE WITH THIS ASAP ASAP
Answer:
52
Step-by-step explanation:
62 - 42 = 20
20 / 2 = 10
42 + 10 = 52
52... i think :\
If f(x)=√x^3 and (fog)(x)=√√x, then g(64) =
The value of g(x) is (x^3+5) and g(64) = 262149.
According to the statement
we have given that the
f(x)=√x^3 and (fog)(x)=√(x^3+5) and we have to find the value of the g(64).
So, For find the value of g(64), Firstly we have to find the g(x).
So,
We given that
f(x)=√x^3 and (fog)(x)=√(x^3+5)
And here the formula used is
(f o g)(x) = f (g(x))
here (fog)(x)=√(x^3+5) and f(x)=√x^3
From this we get g(x) is (x^3+5)
So,
g(x) = (x^3+5) and
g(64) = ((64)^3+5)
g(64) = 262149.
So, The value of g(x) is (x^3+5) and g(64) = 262149.
Disclaimer: This question was incomplete. Please find the full content below.
Question:
If f(x)=√x^3 and (fog)(x)=√(x^3+5). Then find the value of g(64).
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I take this to mean [tex]f(x) = \sqrt{x^3}[/tex] and [tex](f\circ g)(x) = \sqrt x[/tex].
Let's first find the inverse of [tex]f[/tex].
[tex]f\left(f^{-1}(x)\right) = \sqrt{\left(f^{-1}(x)\right)^3} = x \\\\ \implies \left(f^{-1}(x)\right)^3 = x^2 \\\\ \implies f^{-1}(x) = x^{2/3}[/tex]
(Note that [tex]f[/tex] is defined only if [tex]x^3\ge0[/tex], or [tex]x\ge0[/tex].)
Apply the inverse of [tex]f[/tex] to [tex]f\circ g[/tex].
[tex](f\circ g)(x) = f(g(x)) = \sqrt x \\\\ \implies f^{-1}\left(f(g(x))\right) = f^{-1}(\sqrt x) \\\\ \implies g(x) = \left(\sqrt x\right)^{2/3} = \left(x^{1/2}\right)^{2/3} = x^{1/3} = \sqrt[3]{x}[/tex]
Then
[tex]g(64) = \sqrt[3]{64} = \sqrt[3]{4^3} = \boxed{4}[/tex]