4.5k>18 Graph the solution of the inequality.
Graph the solution of the inequality 4.5k>18 is equal to k > 4 ( see image), by using the inequality equation.
Based on the given conditions,
4.5k>18
What is an Inequality :In mathematics, a relationship between two expressions or values that are not equal to each other is called 'inequality.
The graph of an inequality in two variables is the set of points that represents all solutions to the inequality. A linear inequality divides the coordinate plane into two halves by a boundary line where one half represents the solutions of the inequality.
An inequality compares two values, showing if one is less than, greater than, or simply not equal to another value.
a ≠ b says that a is not equal to b
a < b says that a is less than b
a > b says that a is greater than b
(those two are known as strict inequality)
a ≤ b means that a is less than or equal to b
a ≥ b means that a is greater than or equal to b.
To solve given graph,
We can write,
4.5k>18
4.5k - 18 > 0
4.5k > 18
k > 18/4.5
We can get the division,
k > 4 (We can see image)
Therefore,
4.5k>18 Graph the solution of the inequality is k > 4 ( see image ), by using inequality equation.
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what is 0.45 divide by 0.3 please show work.
Step-by-step explanation:
We can use standard form to make it simpler to deal with.
0.45=45×10^-2
0.3=3×10^-1
Now 45÷3=15
10^-2÷10^-1=10^-1
So the answer is 15×10^-1 OR 1.5
Pls help what is 36+36+36
36 + 36 + 36 equals 108.
Happy to help, have a great day! :)
In the square below, the diagonal AC is 12v2 inches Find the area of the shaded region and find the exact circumference of the inscribed © X.
AB = BC
\(\begin{gathered} (AC)^2=(AB)^2+(BC)^2 \\ (12\sqrt[]{2})^2=(BC)^2+(BC)^2 \end{gathered}\)\(\begin{gathered} 24=2(BC)^2 \\ \frac{24}{2^{}}=(BC)^2\text{ } \\ (BC)^2=12 \\ BC\text{ =}\sqrt[]{12} \\ BC\text{ = 2}\sqrt[]{3}\text{ inches} \end{gathered}\)Area of shaded part = Area of the square - the area of the circle
\(\begin{gathered} \text{Area of square = length x length} \\ \text{Area of square = 2}\sqrt[]{3}\times2\sqrt[]{3}=12inch^2 \end{gathered}\)\(\begin{gathered} \text{Area of circle = }\pi\text{ }\times r^2 \\ r=\text{ BC = 2}\sqrt[]{3}inches \\ \text{Area of circle= 3.14 }\times(2\sqrt[]{3)}^2=\text{ 37.68} \end{gathered}\)Area of shaded part = 37.68- 12 =25.68 square inche
\(\text{Circumference of a circle = 2}\times\pi\times r\)\(undefined\)What is a cross section cut to the angle of the base of a rectangle prim
Answer:
In a right rectangular prism, a cross section can be cut on a slant to produce a variety of additional shapes. Depending on the angle of the cut, the cross section can be a triangle, quadrilateral, pentagon, or hexagon. The maximum number of "sides" of a cross section (plane section) equals the number of faces (surfaces) of the solid
Answer:
a rectangle
Step-by-step explanation:
When a geometric plane slices a prism so that the cut is parallel to the plane of the base, the cross section will have the shape of the base. So, in the case of a right rectangular prism, the cross section is a rectangle.
At the gym, Hillary swims every 5 days and runs every 7 days. If she did both activities today, in how many days will she do both activities again on the same day?
Answer:
She will actually do it on the 35th day of gym
4. Natalie buys 4 tomato plants and 3 pepper plants for $9.35.
Samir buys 2 tomato plants and 11 pepper plants for $16.55.
Write down a pair of simultaneous equations and solve them to find the cost of one tomato plant
and the cost of one pepper plant.
You must show all your working.
The Cost of One Tomato Plant is $1.4 and the cost of one pepper plant is $1.25 .
Here are a pair of two linear equations in two variables.
Let assume ,
One tomato plant is x
one pepper plant is y
Pair of two linear equations in two variables :
4x + 3y = 9.35 → (i)
2x + 11y = 16.55 → (ii)
Multiplying equation (ii) by 2 , we have :
4x + 3y = 9.35 (iii)
4x + 22y = 33.10 (iv)
Subtracting equation (iv) from (iii)
19y = 23.75
⇒ y = 1.25
substituting the value of y in any of the equation (i) & (ii), we have:
4x +3(1.25) = 9.35
⇒ x = 1.4
therefore , x = 1.4 & y = 1.25 is the point where the given equations intersect.
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(4 x superscript a baseline) superscript b baseline = startfraction 256 over x superscript 8 endfraction?
The equation (4^a)^b = 256 / x^8 is given. We need to solve for the values of a and b.
To solve the equation (4^a)^b = 256 / x^8, we can simplify the left side of the equation using the exponent rules.
Recall that when we raise an exponent to another exponent, we multiply the exponents. Applying this rule, we have (4^a)^b = 4^(a*b).
Now, the equation becomes 4^(a*b) = 256 / x^8.
To further simplify, we need to express both sides of the equation with the same base. Since 256 is a power of 4 (4^4 = 256), we can rewrite the right side as 4^(4 * (8/2)) = 4^(4 * 4) = 4^16.
Therefore, we have 4^(a*b) = 4^16. In order for the bases to be equal, the exponents must also be equal.
Hence, we have a*b = 16.
To solve for the values of a and b, we need additional information or constraints provided in the problem. Without such information, we cannot determine the specific values of a and b that satisfy the equation.
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Complete Question - What are the values of a and b in the equation (4 x Superscript a Baseline) Superscript b Baseline = StartFraction 256 Over x Superscript 8 EndFraction?
find y intercept
y=50+5x
answer needs to be a point ex. (0,0)
Answer:
(0, 50)
Step-by-step explanation:
The equation of a line is in the form of the y-intercept form
\(y = mx + b\)
where m is the slope and B is the y intercept. So in our case
\(y = 50 + 5x\)
if we use the commutative property we can rewrite our equation as
\(y = 5x + 50\)
therefore b = 50 is our why intercept
Determine whether each of the following functions is a solution of laplace's equation uxx uyy = 0.
Both functions are the solution to the given Laplace solution.
Given Laplace's equation: \(u_{x x}+u_{y y}=0\)
We must determine whether a given function is the solution to a given Laplace equation.If a function is a solution to a given Laplace's equation, it satisfies the solution.(1) \(u=e^{-x} \cos y-e^{-y} \cos x\)
Differentiate with respect to x as follows:
\(u_x=-e^{-x} \cos y+e^{-y} \sin x\\u_{x x}=e^{-x} \cos y+e^{-y} \cos x\)
Differentiate with respect to y as follows:
\(u_{x x}=e^{-x} \cos y+e^{-y} \cos x\\u_{y y}=-e^{-x} \cos y-e^{-y} \cos x\)
Supplement the values in the given Laplace equation.
\(e^{-x} \cos y+e^{-y} \cos x-e^{-x} \cos y-e^{-y} \cos x=0\)
The given function in this case is the solution to the given Laplace equation.
(2) \(u=\sin x \cosh y+\cos x \sinh y\)
Differentiate with respect to x as follows:
\(u_x=\cos x \cosh y-\sin x \sinh y\\u_{x x}=-\sin x \cosh y-\cos x \sinh y\)
Differentiate with respect to y as follows:
\(u_y=\sin x \sinh y+\cos x \cosh y\\u_{y y}=\sin x \cosh y+\cos x \sinh y\)
Substitute the values to obtain:
\(-\sin x \cosh y-\cos x \sinh y+\sin x \cosh y+\cos x \sinh y=0\)
The given function in this case is the solution to the given Laplace equation.
Therefore, both functions are the solution to the given Laplace solution.
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The correct question is given below:
Determine whether each of the following functions is a solution of Laplace's equation uxx + uyy = 0. (Select all that apply.) u = e^(−x) cos(y) − e^(−y) cos(x) u = sin(x) cosh(y) + cos(x) sinh(y)
Someone answer this ASAP
Answer:
yes
Step-by-step explanation:
since they have the same distance they are congruent
Answer:
yes
Step-by-step explanation:
because they have the same distance, they're congruent.
I need some help please
Answer:
1 ≤ x ≤ 9
Step-by-step explanation:
Select the correct answer.
What are the x-intercept and the y-intercept of this function?
fx) = 4x + 12
O A.
The x-intercept is (3,0), and the y-intercept is (0,-12).
OB.
The x-intercept is (-3,0), and the y-intercept is (0,-12).
O C.
The x-intercept is (3,0), and the y-intercept is (0,12).
OD.
The x-intercept is (-3,0), and the y-intercept is (0,12).
Answer:
D- The x-intercept is (-3,0), and the y-intercept is (0,12).
Step-by-step explanation:
right on plato/edmentum
The solution is Option D.
The x-intercept is ( -3 , 0 ), and the y-intercept is ( 0 , 12 )
What is an Equation of a line?
The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept
And y - y₁ = m ( x - x₁ )
y = y-coordinate of second point
y₁ = y-coordinate of point one
m = slope
x = x-coordinate of second point
x₁ = x-coordinate of point one
The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given data ,
Let the equation of the line be f ( x ) = y
And , the equation is
f ( x ) = 4x + 12
So , y = 4x + 12
To find the x intercept of the line ,
Substitute the value of y = 0
So , 0 = 4x + 12
Subtracting 12 on both sides , we get
4x = -12
Divide by 4 on both sides , we get
x = -3
Therefore , the x-intercept is ( -3 , 0 )
Now , To find the y intercept of the line ,
Substitute the value of x = 0
So , y = 12
Therefore , the y-intercept is ( 0 , 12 )
Hence , The x-intercept is ( -3 , 0 ), and the y-intercept is ( 0 , 12 )
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For the rotation 588^{\circ}588 ∘ , find the coterminal angle from 0^{\circ}\leq\theta<360^{\circ}0 ∘ ≤θ<360 ∘ , the quadrant, and the reference angle.
The coterminal angle is 330°, which lies in Quadrant fourth, with a reference angle of 258 degrees.
We have 588 ° between 0° ≤θ<360
Coterminal angle in [0, 360°) range is 330°, located in the fourth quadrant.
Then for the reference angle will be
588 -330= 258
Thus, the reference angle is 258°
Therefore, we can conclude that coterminal angle is 330°, which lies in Quadrant fourth, with a reference angle of 258 degrees.
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the agent earns a 6% commission on the first $300,000 of the sales price and 3% of that portion of the sales price that exceeds $300,000. the commission is $21,150. what is the sales price?
As per the given commission, the sales price of the property is $405,000.
To do this, we need to break down the commission earned by the agent into two parts: the commission earned on the first $300,000 and the commission earned on the remaining amount. The commission earned on the first $300,000 can be calculated as:
Commission on first $300,000 = 6% of $300,000
Commission on first $300,000 = 0.06 x $300,000
Commission on first $300,000 = $18,000
So, the remaining commission earned by the agent on the amount that exceeds $300,000 is:
Total commission - Commission on first $300,000 = $21,150 - $18,000
Total commission - Commission on first $300,000 = $3,150
Now, we know that the commission earned on the remaining amount is 3% of the sales price that exceeds $300,000. Let's assume the sales price of the property is x. Then we can write the following equation:
3% of (x - $300,000) = $3,150
We can simplify this equation as follows:
0.03(x - $300,000) = $3,150
x - $300,000 = $3,150 / 0.03
x - $300,000 = $105,000
x = $300,000 + $105,000
x = $405,000
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Find the Highest Common Factor (HCF) of 18, 36 and 120.
The Highest Common Factor (HCF) of 18, 36 and 120 is 6.
What are factors?A factor is a number that divides another number, leaving no remainder.
Given that, we need to find HCF of 18, 36 and 120.
Finding Factors :-
18 = 2 × 3 × 3
36 = 2 × 2 × 3 × 3
120 = 2 × 2 × 2 × 3 × 5
Common factors = 2 and 3
Therefore,
Highest Common Factor = 2 × 3 = 6
Hence, the Highest Common Factor (HCF) of 18, 36 and 120 is 6.
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I NEED HELP QUICKLY for both X
The solution of the quadratic equation is x = 2. Therefore, \(\frac{4+\sqrt{-4^{2}-4(1)(4) } }{2(1)}\) or \(\frac{4-\sqrt{-4^{2}-4(1)(4) } }{2(1)}\)
How to solve quadratic equation?The quadratic formula can be use to solve the quadratic equation as follows:
x² - 4x + 4 = 0
Modelling it to quadratic equation, ax² + bx + c
Hence,
using quadratic formula,
\(\frac{-b+\sqrt{b^{2}-4ac } }{2a}\) or \(\frac{-b-\sqrt{b^{2}-4ac } }{2a}\)
where
a, b and c are the coefficient in the equationHence,
a = 1
b = -4
c = 4
Therefore,
\(\frac{4+\sqrt{-4^{2}-4(1)(4) } }{2(1)}\) or \(\frac{4-\sqrt{-4^{2}-4(1)(4) } }{2(1)}\)
Finally
x = 2
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Perimeter is 25 cm, find x 10 8.2 cm
I will give you brainlist and 5 stars if you answer :))
Answer:
I'm going to assume the question is asking for a unit rate, and it would be 2 minutes per bag
Step-by-step explanation:
1. Ralin and Michael each opened a savings account with a deposit of $15,950.
· Ralin earn 5.5% simple interest per year.
· Michael earned 3% simple interest per year.
· Neither of them made additional deposits or withdrawals.
How much more did Ralin receive in interest than Michael after 18 months?
2. Mr. Smith borrowed $3000 to buy a used car. The simple interest rate is 12% per year. Mr. Smith paid off the loan in 48 months. How much did he pay for his car?
3. Athena and Jeremiah each opened a savings account with a deposit of $7,050.
· Athena earn 5.5% simple interest per year.
· Jeremiah earned 6% simple interest per year.
· Neither of them made additional deposits or withdrawals.
How much more did Jeremiah receive in interest than Athena after 8 years?
4.Ms. Brennan opened a savings account with a deposit of $950.
· She earned 3.65% simple interest per year.
· There was no additional deposits or withdrawals.
How much money does she have after 12 years?
Answer:
Simple interest formula
I = Prt, I- amount of interest, P- principal, r- interest rate, t - timeA = P(1 + rt), A - final amount, the rest as above#1
18 months = 1.5 years
The difference in the amount of interest:
$15950*1.5*(5.5-3)/100 = $598.13#2
$3000*(1 + 4*12/100) = $4440#3
$7050*8*(6 - 5.5)/100 = $282#4
$950*(1 + 12*3.65/100) = $1366.10in the scale drawing what will the length of the West side be?
plsssssss help me
I will give u 10 points
HELP HELP HELP!!!!!
Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
The box office at a theater is selling tickets for a series of rock concerts. So far, they have sold 98 balcony tickets and 26 general admission floor tickets for Friday's show, for a total of $4,524 in receipts. For Saturday's show, 74 balcony tickets and 96 general admission floor tickets have been sold, equaling $5,478 in receipts. How much does each ticket cost?
The box office sold 360 tickets to a concert at
the college. The total receipts were $4,170. General
admission tickets cost $15 and student tickets cost $10.
How many of each kind of ticket was sold?
Answer: 114 general admission tickets and 246 student tickets were sold.
Step-by-step explanation:
Let x represent the number of general admission tickets that were sold.
Let y represent the number of student tickets that were sold.
The box office sold 360 tickets to a concert at the college. It means that
x + y = 360
General admission tickets cost $15 and student tickets cost $10. The total receipts were $4170. It means that
15x + 10y = 4170- - - - - - - - -1
Who is father of maths?
Determine the solution for 45 = 3(4b − 1).
A. b = 4
B. b = 11
C. b = 3.4
D. b = 3.5
Answer:
A
Step-by-step explanation:
45/3=(4b-1)
15=4b-1
15+1=4b
16=4b
4=b
b=4
The solution for 45 = 3(4b − 1) is, A. A. b = 4.
What is equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign. In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.
here, we have,
45 = 3(4b − 1)
45/3=(4b-1)
15=4b-1
15+1=4b
16=4b
4=b
i.e. b=4
Hence, The solution for 45 = 3(4b − 1) is, A. A. b = 4.
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Suppose are running a study/poll about the probability of catching the flu this year. You randomly sample 142 people and find that 69 of them match the condition you are testing. Suppose you have the following null and alternative hypotheses for a test you are running: H 0 : p = 0.54 H a : p < 0.54 Calculate the test statistic, rounded to 3 decimal places
The test statistic of null and alternative hypotheses for a test is 0.811.
69 of the 142 persons that were randomly chosen from a sample are found to meet the condition we are testing.
The sample proportion phat = 69 ÷ 142 = 0.489
n = 69
p = 0.54
the following are your test's null and alternate hypotheses:
\(H_0\) : p = 0.54
\(H_a\) : p < 0.54,
test statistic,
z = (phat - p) ÷ √(p × (1 - p) ÷ n)
z = (0.489 - 0.54) ÷ √((0.79 × 0.21) ÷ 42) = 0.811
A test statistic is a figure obtained from a statistical analysis. It explains how distant the observational values seem to be from the null hypothesis, which states that there is no correlation between the variables or distinction between the sample groups.
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Let L={a2i+1:i≥0}. Which of the following statements is true? a. L2={a2i:i≥0} b. L∗=L(a∗) c. L+=L∗ d. None of the other statements is true.
The positive closure of L is L+=L∗−{∅}={a∗−{ε}}={an:n≥1}.
Hence, the correct option is (c) L+=L∗.
Given L={a2i+1:i≥0}.
We need to determine which of the following statement is true.
Statesments: a. L2={a2i:i≥0}
b. L∗=L(a∗)
c. L+=L∗
d. None of the other statements is true
Note that a2i+1= a2i.
a Therefore, L={aa:i≥0}.
This is the set of all strings over the alphabet {a} with an even number of a's.
It contains the empty string, which has zero a's.
Thus, L∗ is the set of all strings over the alphabet {a} with any number of a's, including the empty string.
Hence, L∗={a∗}.
The concatenation of L with any language L′ is the set {xy:x∈L∧y∈L′}.
Since L contains no strings with an odd number of a's, L2={∅}.
The positive closure of L is L+=L∗−{∅}={a∗−{ε}}={an:n≥1}.
Hence, the correct option is (c) L+=L∗.
Note that the other options are all false.
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A store sold 650 bicycles last year. This year the store sold 572
bicycles. What is the percent decrease in the number of bicycles sold from last year to this year?
Ocean sunfishes are well-known for rapidly gaining a lot of weight on a diet based on jellyfish. The relationship between the elapsed time, t, in days, since an ocean sunfish is born, and its mass, M (t), in milligrams, is modeled by the following function: M(t) = (1.35)^t/6 +5 Complete the following sentence about the daily percent change in the mass of the sunfish. Round your answer to the nearest percent. Every day, there is a % addition to/ removal from the mass of the sunfish.
The sunfish adds around 2% to its present mass each day, which is the daily percent change in mass.
Based on the provided model, the daily percent change in the mass of the ocean sunfish is an addition of around 2% to its mass. By calculating the derivative of the function M(t) with respect to t, the following may be calculated:
\(M'(t) = \frac{ln(1.35)}6 * (1.35)^t\)
This indicates that the constant factor is ln(1.35)/6, or around 0.02, and therefore the rate of change of the sunfish's mass with respect to time is proportionate to the sunfish's present mass.
As a result, the sunfish's daily percent change in mass is around a 2% increase over its present mass.
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If EG =85 and point F is 2/5 of the way between E and G find the value of FG.
Answer:
FG = 51
Step-by-step explanation:
2/5 of 85 = 34
The value of EF is 34
So the value of FG would be the value of EG - EF
85 - 34 = 51