This is a answer of graph format. (1 - x) • (2x + 5) = 0
what is graph?
In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way.The relationships between two or more items are frequently represented by the points on a graph.A network with paths connecting any two of its vertices. Any two vertices or nodes in a disconnected graph are those that are separated by a path.Graph that completes a cycle is called a cycle graph. Complete Graph is a graph is said to be complete when every pair of vertices is connected by an edge.A graph is a type of non-linear data structure composed of nodes, also known as vertices and edges. Any two nodes, often referred to as vertices, in a network are connected by edges.Pull out like factors : [tex]-2x^{2} - 3x + 5 = -1 • (2x^{2} + 3x - 5)[/tex]
Factoring [tex]2x^{2}[/tex] + 3x - 5
The first term is, [tex]2x^{2}[/tex] its coefficient is 2 .
The middle term is, +3x its coefficient is 3 .
The last term, "the constant", is -5
Multiply the coefficient of the first term by the constant 2 • -5 = -10
Find two factors of -10 whose sum equals the coefficient of the middle term, which is 3 .
-10 + 1 = -9
-5 + 2 = -3
-2 + 5 = 3 That's it
Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -2 and 5
[tex]2x^{2} - 2x + 5x - 5[/tex]
Add up the first 2 terms, pulling out like factors :
2x • (x-1)
Add up the last 2 terms, pulling out common factors :
5 • (x-1)
Add up the four terms of step 4 :
(2x+5) • (x-1)
Which is the desired factorization.
Equation :
(1 - x) • (2x + 5) = 0
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Dave has inherited an apple orchard on which 70 trees are planted. Under these conditions, each tree yields 10 bushels of apples. According to the local WSU extension agent, each time Dave removes a tree the yield per tree will go up 0.45 bushels. Let x be the number of trees in the orchard and N the yield per tree. (a) Find a formula for N in terms of the unknown x. (Hint: Make a table of data with one column representing various values of x and the other column the corresponding values of N. After you complete the first few rows of the table, you need to discover the pattern.) 41.5 – 0.45x x (b) What possible reason(s) might explain why the yield goes up when you remove trees? removing trees will mean that you will be able to share more nutrients for the trees that are left, which produces more apples per tree, and better quality of the apples as well. The yield increases as the quality and care increases for the trees.
X = 88.1. The total of all interest, dividends, or other income that an investment provides divided by the age of the investment or the period over which the investor has held it is the average yield on an investment.
What is average yield?
The average yield on an investment or a portfolio is calculated by dividing the total interest, dividends, or other income received by an investment by the investment's age or the period over which the investor has held it. In particular, it alludes to yield, or the total revenue from an investment divided by the number of years kept.
There are numerous yield kinds, and the calculating process varies depending on the specific yield type and the type of security. Because of these variations, comparisons of yields between other financial product categories should be used with caution.
In the case of stocks, yield is determined by dividing the price rise plus dividends by the original purchase price. Both cost yield and current yield can be used to examine bond yield.
Given data :
Let x be the number of trees in the orchard and N the yield per tree.
No of trees = 70
yield = 10
formula for N in terms of the unknown x :
(10+(70-x)0.55)
10 + 38.5 - 0.55x
-0.55x = 48.5
x = 48.5/ 0.55 = 88.1
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Find the least common denominator of 1/2x-6 and 2x/7x-21.
The least common denominator to both fraction expressions is; (x - 3)
How to find the least common denominator?The least common denominator simply means the least number or expression that is common to both denominators of a given fraction.
Now, the given denominators of the fraction expression are;
(2x - 6) and (7x - 21)
To find the least common denominator here, we will just factoriuze each algebraic expression to getl
(2x - 6) = 2(x - 3)
(7x - 21) = 7(x - 3)
Thus, we see that the common expression is (x - 3) which we will conclude will be the least common denominator
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Write the other side of this equation so it’a true for no values of x: 1/2(6x - 10) -x =
Answer:
2x + 3
Step-by-step explanation:
1/2(6x - 10) - x
3x -5 -x
2x -5
We would need the structure of the equation to be 2x plus or minus anything other than 15.
For example:
2x - 5 = 2x + 3 if we subtract 2x from both sides we are left with
-5 = 3 This is a false statement and their will be no solution.
7-89. For angle α in the first quadrant, . Use that information to find each of the
following values without using a calculator. Be prepared to share your strategies with the class.
a. sin α
b. sin(π + α)
c. cos(2π − α)
The required values are for the given angle, as follows: a. sin α is positive. b. sin(π + α) = -sin α. c. cos(2π - α) = cos α.
What is the quadrant?A quadrant is defined as an area contained by the x and y axes, which there are four quadrants in a graph.
a. For an angle α in the first quadrant, sin α is positive.
Since the first quadrant is between 0 and 90 degrees, sin α is equal to the opposite side divided by the hypotenuse, where the opposite side is the y-coordinate and the hypotenuse is the distance from the origin to the point on the unit circle corresponding to the angle α.
b. sin(π + α) = sin (π - α). In the second quadrant (90 < α < 180), sine is negative, so sin(π + α) = -sin α.
c. cos(2π - α) = cos α. The cosine function has period 2π, so cos(2π - α) = cos α.
Since the first quadrant is between 0 and 90 degrees, cos α is positive.
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Write a two-column proof
given AX = DX, XB=XC
prove AC = BD
please help, this is for my midterm
In the parallelogram ABCD it is proved that AC ≅ BD, which proves that AC = BD.
What is a parallelogram?
A quadrilateral with two sets of parallel sides is referred to as a parallelogram. In a parallelogram, the opposing sides are of equal length, and the opposing angles are of equal size. Additionally, the interior angles that are additional to the transversal on the same side.
It is given that the parallelogram is ABCD.
In this parallelogram AX ≅ DX, XB ≅ XC.
Now, according to the properties of parallelogram the segment addition can be done.
AC = AX + XC
Similarly, the segment addition for line BD is -
BD = DX + BX
Now if AX ≅ DX and XB ≅ XC, then substitution of DX and XC can be done -
AC = AX + BX
BD = AX + BX
This proves that AC = BD by the transitive or substitution method.
Therefore, it is proved that AC = BD and also that AC ≅ BD.
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Solve for x
8√3
12.
Select the correct response:
8
16
15
4√3
X
Answer:
see below & attached
Step-by-step explanation:
red line length call it a² = (8√3)²- 12² = 192-144 =48
so look at the graph we know x is longer than 12,
the portion that's longer than 12 call it c = x-12
top short line call it b
because it's all right angle you are looking at 3 right angle triangles
the big one that's cut into 2 by the red line
the larger one & the smaller one
each will have this property: short side 1 ²+short side 2 ²= long side ²
so for the largest one:
(8√3)² +b² = (12+c)² = x²
second largest triangle we already know all 3 sides: (8√3), 12, √48
now look at the smallest
48+c² =b²
once you have all equations listed , you can solve for c.
see attached.
construct the general solution of involving complex eigenfunctions and then obtain the general real solution. describe the shapes of typical trajectories.
The ODE's general solution has real solution and complex eigen functions. Typical trajectories are sinusoidal curves.
The general solution of the ODE involves complex eigenfunctions, which are solutions of the form e^(ikx), where k is a real number and i is the imaginary unit. By combining these complex eigenfunctions with real coefficients, a general real solution can be obtained. Typically, these solutions will take the form of sinusoidal curves, with the amplitude and period determined by the coefficients of the eigenfunctions. The coefficients can be determined using initial conditions, allowing for more specific trajectories to be determined. For example, if the initial condition is known, then the coefficients of the eigenfunctions can be determined using Fourier analysis, allowing for the trajectory of the system to be determined.
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two sides of a triangle are 19.75 and 10.25. select all choices that could represent the third side of the triangle.
the two possible values for the third side of the triangle are 22.5 and 24.00.
We know that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
Therefore, the third side must be greater than 10.25 and less than 19.75.
From this, we can conclude that the third side of the triangle must be either 22.5 or 24.00.
We know that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. Given that two sides of the triangle measure 19.75 and 10.25, the third side must be greater than 10.25 and less than 19.75. Therefore, the only two possible lengths for the third side of the triangle are 22.5 and 24.00. Any length greater than 19.75 or less than 10.25 would not satisfy the triangle inequality and would not be a valid third side for the triangle. Thus, We know that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
the two possible values for the third side of the triangle are 22.5 and 24.00.
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please i need HELPPP
Answer:
vertex point is (4,-6)
and it opens upwards as the coefficient of x is positive.
I assume B is the correct answer, good luck!
How many different committees can be formed from 11 teachers and 50 students if the committee consists of 2 teachers and 2 students?
Answer:
5 committees can be formed
Step-by-step explanation:
number of teachers=11
number of students=50
number of teachers in a committee=2
number of students in a committee=2
the inside of a flashlight surrounding the bulb is shaped like a parabola in which the base of the bulb represents the vertex and the top of the bulb represents the focus. which of the following standard equations represents the parabola in which the base of the bulb is at (1, 5) and top of the bulb is at (1, 1)? (x 1)2
The equation for the parabola is: (x - 1)^2 = 4(y - 5). The vertex of the parabola is located at (1, 5) and the focus is at (1, 1). The equation describes a parabola that opens upward, and is symmetrical about the y-axis.
The equation for the parabola is: (x - 1)^2 = 4(y - 5). This equation describes a parabola with its vertex located at (1, 5) and its focus at (1, 1). The parabola is symmetrical about the y-axis and opens upward. This means that the base of the bulb is at (1, 5) and the top of the bulb is at (1, 1). To get the equation for the parabola, we need to subtract the x-coordinate of the vertex from the x-coordinate of the focus, which gives us 1. We then square this number, giving us 1. We then subtract the y-coordinate of the vertex from the y-coordinate of the focus, giving us 4. We then multiply this number by the squared number from before, giving us 4. The final equation is then (x - 1)^2 = 4(y - 5).
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The sum of four consecutive odd integers is 264. Find the integers.
The smallest of the four consecutive integers is?
Answer:
63
Step-by-step explanation:
Consecutive odd integers increase by the addition of 2 therefore if the smallest value is x then the next odd number is x + 2
So therefore; x + x + 2 + x + 4 + x + 6 = 264
Collect like terms
x + x + x + x + 2 + 4 + 6 = 264
4x + 12 = 264
4x = 264 - 12
4x = 252
Divide both sides by 4
x = 63
Therefore the smallest of the four consecutive integers is 63
1. Determine whether the following numbers could be the sides of a right triangle. Show your work.
a.
17, 15, 8
b.
7, 25, 19
a. 17, 15, 8 this can be a right triangle, while b. 7 25 19 is not a right a triangle
How to know when triangles are formedThere are an endless number of triangles produced when no side is specified.
The three angles produce an unlimited number of distinct triangles if side lengths are not provided.
When the three sides are specified the sides will be such that addition of the two smaller sides will be greater than the third side
For a. 17, 15, 8
the two smaller sides are:15 and 8
15 + 8 > 17
this can be a triangle
For b. 7, 25, 19
the two smaller sides are:7 and 19
7 + 19 > 25
this can be a triangle
For a right triangle the Pythagoras rule should be observe: the squire of the smaller sides will be equal to the square of the longer side. let the longer side be x
x² = 15² + 8²
x² = 225 + 64
x² = 289
x = √289
x = 17
this is a right triangle
x² = 7² + 19²
x ² = 49 + 361
x² = 410
x = √410
x = 20.25
this is not a right triangle
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Can someone help me pleace
Answer:
A
Step-by-step explanation:
ABC is similar to DEF because similar triangles are triangles that have the same shape, but their sizes may vary.
SEE IMAGE!!! PLS HELP ASAPPP
Find the quotient. If possible, rename the quotient as a mixed number. Select the answer that is in simplest form.
3 5
8 ÷ 4 = ?
A.
1 5
8
B.
29
32
C.
25
32
Answer: B
Step-by-step explanation:
[tex]3 \frac{5}{8} \div 4=\frac{29}{8} \div 4=\frac{29}{32}[/tex]
Determine the angle between the diagonal of a cube and its edge, as shown in the figure. (Round your answer to one decimal place.)
the angle between the diagonal of a cube and its edge is equal to 35.2 degrees.
Let us consider a cube with side length = a.
Length of diagonal of cube on one of its faces = a√2
Length of diagonal of cube = a√3
To find the angle between the, use law of cosines.
The law of cosines is given by.
⇒ [tex]c^2=a^2+b^2-2abcosC[/tex]
Where c = length of side c, b = length of side b, a = length of side a
C = angle opposite to c
⇒ [tex]c^2=(a\sqrt{2})^2+(a\sqrt{3})^2-2a\sqrt{2}a\sqrt{3}[/tex]
On simplification,
[tex]cosC=\frac{2a^2}{a^2\sqrt{2}\sqrt{3}} \\cosC=\sqrt\frac{2}{3} \\[/tex]
C=35.2 degree
Therefore, the angle between the diagonals is 35.2°
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I need help with this
The point (2, 48) means in this context: Cesar and Camden are both 48 kilometers away from home after 2 hours.
What is the system of equations?One or many equations having the same number of unknowns that can be solved simultaneously called as simultaneous equation. And simultaneous equation is the system of equation.
Given:
Cesar and Camden are brothers and live at the same house.
Cesar is 80 kilometers away from home and bikes towards home at a rate of 16 kilometers per hour.
Camden is 20 kilometers away from home and keeps walking away from home at a rate of 14 kilometers per hour.
You found that the point of intersection on the graph is (2, 48),
and you solved algebraically to find that x=2 and y = 48.
Cesar and Camden are both 48 kilometers away from home after 2 hours.
Therefore, Cesar and Camden are both 48 kilometers away from home after 2 hours.
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What is the size, in degrees, of the missing angle?
45°
65%
The measure of the missing angle in a triangle is C = 18°.
What is a 45-Degree Angle?An acute angle is one that is 45 degrees. It is a 90-degree angle or half of a right angle. Look at the illustration of the 45-degree angle. Angles are expressed in degrees or radians.
A straight angle is one in which the two arms extend in precise opposition to one another. A 180° angle is a straight angle. A protractor can be used to measure angles; a straight angle is an angle that is measured at 90 degrees.
The two arms are perpendicular to one another at a right angle. Each angle measures 45° when the right angle is divided into two equal pieces. An acute angle is one that is 45 degrees. It is a 90-degree angle or half of a right angle.
Given one of the angles A = 45°
And B is 65% of the total angle sum = 65/100 × 180
= 117°
For angle C, using angle sum property
⇒ A + B + C = 180°
⇒ 45° + 117° + C = 180°
⇒ C = 180° - (45° + 117°)
⇒ C = 180° - 162°
⇒ C = 18°
Thus, The measure of the missing angle in a triangle is C = 18°.
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Complete question:
What is the size, in degrees, of the missing angle of a triangle?
A = 45°
B = 65%
C = x
Si mi tía llega a la casa con cuatro donas de azúcar y estamos seis personas en la casa ¿ de cuánto nos tocaría ha cada uno en fracciones?
A coda ulna de las personas le Toccara ulna porcino de 2/3 de Dona
de canto no's Toccara ha coda uno eon fractions?Si mi tía ha legato a la casa y trae consigo 4 Donas de azúcar, pero no se ha percatado que la cantidad de personas en la casa es de 6 contándose, entonces decide repartir en partes iguales, para esta operation deems divider la candida de donnas entre la cantidad de personas
4 donnas / 6 personas = 2 /3 ester 2/3 es la porcino de coda uno es décor coda Dona se picara eon tress torsos y dos torsos para coda persona de 2/3
Respuesta:
para que alkanes les tocaria
a 4 personas la mated de una dona
(osea 2 donas las partes a la mated)
y a las okras 2 personas la Dona entera
Explication paso a paso:
esparto hiver aoudad:)
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Explain why 96:38 is NOT the same as 38:96.
The two ratios are inverse of each other that's why 96:38 is not the same as 38:96.
What are inverse ratios?When two quantities are inversely related, that is, when an increase in one quantity causes a decrease in the other and vice versa, they are said to be in inverse proportion. The product of the given two quantities is equal to a constant value in inverse proportion.
Given that the two ratios are 96:38 and 38:96. The value of the two ratios will not be the same because both the ratios are inverse of each other or are reciprocals of each other.
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Answer:
The two ratios are inverse of each other that's why 96:38 is not the same as 38:96.
Step-by-step explanation:
I took the quiz.
Kerri keeps a bowl of change on her dresser. She only keeps dimes and quarters. She has five dollars in change in the bowl right now. If she has exactly 29 coins in the bowl, how many quarters does she have?
The number of quarters in the bowl is 14.
What is an equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
Example:
2x+ 3 = 9 is an equation.
We have,
Dimes = x
Quarters = y
10 dimes = $1
1 dime = $0.1
4 quarters = $1
1 quarter = $0.25
Now,
0.1x + 0.25y = 5 _____(1)
x + y = 29 _____(2)
Solve for y from (1) and (2),
x = 29 - y
Substitute in (1) we get,
0.1 (29 - y) + 0.25y = 5
2.9 - 0.1y + 0.25y = 5
2.9 + 0.15y = 5
0.15y = 5 - 2.9
y = 2.1/0.15
y = 14
Thus,
There are 14 quarters in the bowl.
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a wall 10 m long 1m high and 1/2 m wide is to be made of bricks . The bricks are of size 10 multiply 10 multiply 20 . how many bricks will be needed to make the wall.
To find out how many bricks are needed to make the wall, we need to find the total area of the wall and divide it by the area of one brick.
The area of the wall is:
length x height x width = 10 m x 1 m x 0.5 m = 5 m^2
The area of one brick is:
10 cm x 10 cm x 20 cm = 2000 cm^3
To convert the area of the wall from square meter to cubic centimeter, we need to multiply it by 100*100 = 10000.
5 m^2 x 10000 = 50000 cm^2
Now we can divide the total area of the wall by the area of one brick to find out how many bricks are needed:
50000 cm^2 / 2000 cm^2/ brick = 25 bricks
So, 25 bricks will be needed to make the wall.
Find the dot product of m=−4i−j and n=5j.
Marie earns £340 each week.She is given a 6.5% pay rise. How much does she earn each week after the pay rise?
Answer:
£362.1
Step-by-step explanation:
6.5% =
6.5 / 100 =
65 / 1000 = 0.065
£340 * 0.065 = £22.1 => £22.1 is the pay raise in terms of English pounds(£)
Now add the pay raise to the earnings per week to get the total earnings after the raise:
£22.1 + £340 =
£22.1 + £340.0 = £362.1
i need help with the following question below
Answer:
see below
Step-by-step explanation:
b = √3
then move t to the end you'll see
m= -0.4√13
A rancher wants to enclose a rectangular field with 220 ft of fencing. One side is a river and will not require a fence. What is the maximum area that can be enclosed?
5329 Sq meters is the maximum area that can be enclosed.
What is a rectangle, exactly?
A rectangle is a sort of quadrilateral with parallel sides that are equal to one another and four vertices that are all 90 degrees apart. It is also known as an equiangular quadrilateral for this reason.
The term "parallelogram" can also be used to describe a rectangle because the opposing sides are equal and parallel.
Perimeter of Rectangle: 2W + 2L
One L is the river so we have 3 sides
220m/3 = 73m
Area of Rectangle is WL
73 × 73 = 5329 Sq meters
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Nick selects a simple random sample of 25 seniors at his large school and finds that 20 of them eat a healthy breakfast. He wants to construct a confidence interval for p = the proportion of all seniors at this school who eat a healthy breakfast, but he realizes he hasn't met all the conditions for constructing the interval. Which condition for this procedure has he failed to meet?
n ≥ 30
n p hat greater-than-or-equal-to 10
n (1 minus p hat) greater-than-or-equal-to 10
The sample size must be less than 10% of the population size.
Nick has failed to meet the condition that n p hat greater-than-or-equal-to 10 and n (1 minus p hat) greater-than-or-equal-to 10.
In order for the Central Limit Theorem to be applied and for the sample proportion to be approximately normally distributed, the sample size must be at least 30. This means that the sample size must be large enough so that the sample proportion of healthy breakfast eaters (p hat) and the sample proportion of non-healthy breakfast eaters (1-p hat) are both greater than or equal to 10. In this case, since the sample proportion of healthy breakfast eaters is 20/25 = 0.8, the sample proportion of non-healthy breakfast eaters is 5/25 = 0.2. Since 5 is less than 10, this condition is not met, and Nick cannot construct a confidence interval for p.
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I just need to figure out how to write the equation
The rest I can do on my own
Katie is mixing a new blend of perfume. Her formula calls for 12% lavender solution. She has two bottles. One is 15% and the other is 6%. How many ounces of each does she need to make 18 ounces of 12%?
On solving the equation, it is seen that about 12 ounces of the 15% solution must be mixed with about 6 ounces of the 6% solution to get 18 ounces of the 12% perfume.
What is an equation?
A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").
Let x = number of liters of the 15% solution
Let 18 − x = number of liters of the 6% solution
Solution Ounces Strength Amount of Perfume
15% x 15 15x
6% 18 - x 6 6(18 - x)
Mixture 18 12 (18)(12)
So, the equation will be -
(amount of perfume in 15% solution) + (amount of perfume in 6% solution) = (amount of perfume in mixture)
15x + 6(18 − x) = (18)(12)
Solve the equation using distributive property -
15x + 108 - 6x = 216
Combine the like terms -
15x - 6x = 216 - 108
Simplify the equation further -
9x = 108
x = 108/9
x = 12
Now, substituting the value of x in 18 − x = 18 - 12 = 6.
Therefore, the amount in ounces is obtained as 12 ounces and 6 ounces.
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5+w=8 simplified in to simplest form
[tex] \large \frak{ \green 5 + \red{w }= \green 8}[/tex]
[tex] \: [/tex]
[tex] \ \: \large \frak{ \red{w }= \green 8 { -} \green5}[/tex]
[tex] \: [/tex]
[tex] \underline{ \boxed{ \large \frak{ \: \red{w }= \green 3 \: }}}[/tex]
[tex] \: [/tex]
hope it helps!
Determine if the following
lengths below will create a triangle
(3,4,5)
(10, 20, 30)
(15.5, 45, 20.5)
a. (3, 4, 5) will create a triangle.
b. (10, 20, 30) will not create a triangle
c. (15.5, 45, 20.5) will not create a triangle.
What is a triangle?
A triangle is a polygon with three sides and three angles. The sum of the interior angles of a triangle is always 180 degrees. Triangles can be classified by their sides (such as equilateral, isosceles, or scalene) or by their angles (such as acute, right, or obtuse).
The set of lengths (3,4,5) will create a triangle. This is because it follows the "triangle inequality theorem" which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
The set of lengths (10, 20, 30) will not create a triangle. This is because 10 + 20 is less than 30, so it does not satisfy the triangle inequality theorem.
The set of lengths (15.5, 45, 20.5) will not create a triangle. This is because 15.5 + 20.5 is less than 45, so it does not satisfy the triangle inequality theorem.
Hence,
a. (3, 4, 5) will create a triangle.
b. (10, 20, 30) will not create a triangle
c. (15.5, 45, 20.5) will not create a triangle.
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