Let's start by using variables to represent the salaries of Saima and Atika. Let S be Saima's salary, and A be Atika's salary. Then, we can write:
Saima's salary: SFarheen's salary: 3SAtika's salary: 9S (since S is one-third of A, we can write A = 3S, and then multiply both sides by 3 to get A = 9S)We know that their total salary is Rs. 35,000, so we can write an equation:
S + 3S + 9S = 35,000
Simplifying the left side, we get:
13S = 35,000
Dividing both sides by 13, we get:
S = 2,692.31 (rounded to two decimal places)
Now that we know Saima's salary, we can find Farheen's salary:
Farheen's salary = 3S = 3 × 2,692.31 ≈ Rs. 8,076.92
Therefore, the closest answer choice is A. 10,000, which is not the exact value but is the closest option to the calculated value.
In this math problem, using the given ratios and total salary, we find Saima's salary is Rs. 5000. As Farheen's salary is three times Saima's, Farheen earns Rs.15,000.
Explanation:According to the problem, Farheen's salary is three times Saima's salary, and Saima's is one-third of Atika's. Let's denote Saima's salary as 'x'. Hence, Farheen's salary is '3x' and Atika's salary is '3x'. All their salaries add up to Rs.35,000 as per the question. Therefore, the equation becomes as follows:
x + 3x + 3x = 35000. This reduces to 7x = 35000 after adding the like terms on the left hand side of the equation. Dividing each side by 7, we find 'x = 5000', which is Saima's salary.
Therefore, Farheen's salary is three times Saima's, so it equals '3 * 5000 = 15000', which matches with option C from the list. So, Farheen's salary is Rs. 15,000.
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Type the correct answer in each box. Use numerals instead of words for numbers. Consider this function: . To determine the inverse of the given function, change f(x) to y, switch and y, and solve for . The resulting function can be written as f -1(x) = x2 + , where x ≥ .
The inverse of the given function is f -1(x) = \[\frac{x+2}{3}\], where x is greater than or equal to -2/3.
Consider the function, f(x) = 3x - 2. To find the inverse of the function, follow the steps given below:
Step 1: Replace f(x) with y. y = 3x - 2
Step 2: Interchange x and y. x = 3y - 2
Step 3: Solve for y. Add 2 to both sides. x + 2 = 3y Divide both sides by 3. \[\frac{x+2}{3}=y\]
Step 4: Replace y with f -1(x).
Hence, f -1(x) = \[\frac{x+2}{3}\] The resulting function can be written as f -1(x) = \[\frac{x+2}{3}\], where x is greater than or equal to -2/3.
Note that the domain of f(x) is all real numbers, which means that the range of f -1(x) is also all real numbers.
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please see photo thank you
Answer:
[tex]37in^2[/tex]
Step-by-step explanation:
We can break up this figure into two bits, the longer rectangle at the top, and the smaller square at the bottom.
To find area if a rectangle, you do length x width. You can do this with the square, too. For the area of the square, you would do:
[tex]3 * 3=9in^2[/tex]
For the area of the bigger rectangle, we know the length of it (7 at the top), so we now have to find the width. The only width number that is available to us is the 7 at the right, and the 3 at the left side of the square.
We can subtract these two numbers to get 4 for the width. We just have to multiply our length (7) by our width (4):
[tex]7*4=28in^2[/tex]
Now that we have our areas of our smaller figures, we just need to add them together:
[tex]9in^2 + 28in^2 = 37in^2[/tex]
The area of the figure is [tex]37in^2[/tex]
Please help me out id appreciate it
The division between the functions f(x) = ∛(4 · x) and g(x) = 2 · x + 3 is equal to (f / g) (x) = ∛(4 · x) / (2 · x + 3), x ≠ - 3 / 2. (Correct choice: D)
How to perform an operation between two functions
In this problem we find two functions, with which we must perform a division between two functions, whose definition is shown below:
(f / g) (x) = f(x) / g(x)
If we know that f(x) = ∛(4 · x) and g(x) = 2 · x + 3, then the division between the two functions is:
(f / g) (x) = ∛(4 · x) / (2 · x + 3)
The restrictions on the domain is represented by every x when 2 · x + 3 = 0:
2 · x + 3 = 0
2 · x = - 3
x = - 3 / 2
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In a regular hexagon, what is the ratio of the length of the shortest diagonal to the length of
the longest diagonal? Express your answer as a common fraction in simplest radical form.
The ratio of the length of the shortest diagonal to the length of the longest diagonal in a regular hexagon is [tex]$\sqrt{3}/2$[/tex]. This can also be written as [tex]$\frac{\sqrt{3}}{2}$[/tex].
A hexagon is a six-sided polygon with all angles equal to 120 degrees. In a regular hexagon, all sides are equal in length and all angles are equal. The diagonals of a hexagon are line segments that connect non-adjacent vertices of the hexagon.
A regular hexagon has nine diagonals. The shortest diagonal of a regular hexagon is the one that connects opposite vertices and is equal to the length of a side of the hexagon. The longest diagonal of a regular hexagon is the one that connects opposite vertices and passes through the center of the hexagon.
To find the ratio of the length of the shortest diagonal to the length of the longest diagonal, we need to find the length of the longest diagonal in terms of the length of the shortest diagonal. We know that the length of the shortest diagonal is equal to the length of a side of the hexagon.
We can draw the longest diagonal and form an equilateral triangle by connecting the center of the hexagon to the two endpoints of the longest diagonal. The length of the side of this equilateral triangle is equal to the length of the longest diagonal of the hexagon.
The ratio of the length of the shortest diagonal to the length of the longest diagonal is then equal to the ratio of the side length of this equilateral triangle to the length of the side of the hexagon, which is [tex]$\frac{\sqrt{3}}{2}$[/tex].
Therefore, the ratio of the length of the shortest diagonal to the length of the longest diagonal in a regular hexagon is $\sqrt{3}/2$. This can also be written as [tex]$\frac{\sqrt{3}}{2}$[/tex].
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Suppose the probability of success in a binomial trial is 0.74. what is the probability of failure? A.035 B 0.65 C. 0.26 D. 0.74
Since the probability of success is 0.74, the probability of failure is 1 - 0.74 = 0.26. This means that there is a 26% chance of failure in the given binomial trial. Option C
In a binomial trial, the probability of success, denoted by "p," represents the likelihood of the desired outcome occurring. The probability of failure, denoted by "q," represents the complement of the probability of success, i.e., the likelihood of the desired outcome not occurring.
In this case, the probability of success is given as 0.74. To find the probability of failure, we subtract the probability of success from 1, since the sum of the probabilities of success and failure must equal 1.
Probability of failure = 1 - Probability of success
Therefore, the probability of failure = 1 - 0.74 = 0.26.
Hence, the correct answer is C. 0.26.
It's important to understand that in a binomial distribution, there are only two possible outcomes: success and failure. The probabilities of these outcomes must add up to 1. Therefore, if the probability of success is known, the probability of failure can be obtained by subtracting the probability of success from 1.
Option C
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Your patient requires 0.5micrograms alfacalcidol orally as an elixir. The stock available is oral drops micrograms/ml
with 1 drop = 100 nanograms. How many drops would you
adminster?
Answer:5 drops
Step-by-step explanation:
Every 100 nanograms is 0.1 microgram so 500 nanograms + 0.5 micrograms so 5 drops because everydrop is 100 nanograms
What numbers are missing from the pattern below? Enter your answer, using
a comma to separate each number.
9, 18, 27, 36, ?, ?, ?, ?, 81, 90, 99, 108
Answer here
SUBMIT
Answer:
45,54,63,72
Step-by-step explanation:
d=9
36+9
45+9
54+9
Answer: 45, 54, 63, 72
Step-by-step explanation
just look at each number and go up in the tens and down in the ones and once you get to 0 you start at 9 again
(1) You want to hang a 600 pound statue from your ceiling for a party. It will be hung by two cables each making a 60 degree angle with the ceiling. How much tension will be in each of the cables? Round your answer to the nearest pound.
(2) Find all solutions for the equation of 3cos(t)+4=2 on the interval [0, π), or answer "N/A" if there is no solution.
(3) Consider the numbers 0, 1, 2, 3, and 4. Take the square root of each of these numbers, then divide each by 2. Describe the relationship between the values you receive and the trigonometric ratios.
(4) A Ferris wheel boarding platform is 4 meters above the ground, has a diameter of 66 meters, and makes one full rotation every 5 minutes. How many minutes of the ride are spent higher than 47 meters above the ground?
that is physics ...
but yes, applied math. we need to know the formulas though.
(1)
in general, since there are 2 cables supporting in an equal way.
that means each cable is responsible for 600/2 = 300 pounds to bring and hold up.
a cable or rope at an angle has to handle a combined tension force : horizontally (Fx) and vertically (Fy).
the tension force (Ftens) on the rope is a combination of both.
we know
Fx = Ftens × cos(theta)
Fy = Ftens × sin(theta)
from the problem we do know Fy (the vertical = up/down force), as this is the force needed to lift and keep the 300 pound weight up there.
and that is Fgravity, the force needed to counteract gravity.
Fgravity = mass × g
g being the constant gravitational acceleration of Earth = 9.8 m/s²
forces are described in Newton.
1 N ≈ 0.225 pounds (lifting on Earth)
so, to lift 1 pound requires 1/0.225 ≈ 4.44822 N
to lift 300 pounds requires
4.44822 × 300 ≈ 1334.47 N
that is what Fy is for one of the 2 cables.
the tension on one of the cables is then given by
Fy = Ftens × sin(60)
Ftens = Fy / sin(60) = 1334.47 / sin(60) =
= 1,540.913227... N = 346.41107515867... pounds
≈ 346 pounds per cable.
(2)
3cos(t) + 4 = 2
3cos(t) = -2
cos(t) = -2/3
cosine is negative in the 2nd and 3rd quadrant.
so, for t > pi/2 and t < 3pi/2.
because the given interval is [0, pi), we are only looking at the 2nd quadrant (pi/2, pi).
t = 131.8103149...° = 2.300523983... rad
(3)
well, that are the numbers
1/2
sqrt(2)/2 = 1/sqrt(2)
sqrt(3)/2
1
they are getting bigger and bigger, all positive, so they indicate larger and larger angles
1/2 is :
sin(30° or pi/6 or 150° or 5pi/6)
cos(60° or pi/3 or 300° or 5pi/3)
1/sqrt(2) is :
sin(45° or pi/4 or 135° or 5pi/4)
cos(45° or pi/4 or 315° or 7pi/4)
sqrt(3)/2 is :
sin(60° or pi/3 or 120° or 2pi/3)
cos(30° or pi/6 or 330° or 11pi/6)
1 is :
sin and csc(90° or pi/2)
cos and sec(0° or 0pi or 360° or 2pi)
tan and cot(45° or pi/4 or 225° or 5pi/4)
(4)
the height moves between 4 meters and 70 meters in a circle.
the circumference of the circle is 2pi×r or pi×d, so in our case : 66pi meters.
it takes 5 minutes to move along these 66pi meters.
let's say, when the height is 4 meters (starting position), the angle is 0 and the arc is 0.
after a quarter trip the angle is 90° or 66pi/4, and the height is 4 + 66/2 = 37 meters
and at 70 meters the angle is 180° or 66pi/2.
the function of the height based on the current angle is then for the first half-circle
height(theta) = 4 + (theta/360)×2×66
or
height(theta) = 4 + (theta/(2pi))×2×66
now we need to find the angle theta for which we reach the height of 47 meters :
47 = 4 + (theta/360)×132
43 = (theta/360)×132
theta/360 = 43/132
theta = 360×43/132 = 117.2727272...°
= 2.046795214... rad
so, after starting at the lowest position at 4 meters we reach the height of 47 meters at an angle of about 117°.
then we get and stay above 47 meters until we get to
360 - theta = 242.7272727...°
= 4.236390093... rad
when going down again on the second half-circle of the trip.
that means we are at and above 47 meters for
(360 - theta) - theta = 360 - 2×theta = 125.4545455...°
= 2.18959488... rad
of the whole trip of 360° or 2pi. which takes 5 minutes.
the time we spend there is then
5 × (360 - 2×theta)/360 = 1.742424242... minutes
= 1 minute 44.54545454... seconds
How can I solve the following quadratic equations with the quadratic formula?
a) x^2 + 5x + 6 = 0
b) 2x^2 - 3x - 2 = 0
[tex]~~~~~~~~~~~~\textit{quadratic formula} \\\\ \stackrel{\stackrel{a}{\downarrow }}{1}x^2\stackrel{\stackrel{b}{\downarrow }}{+5}x\stackrel{\stackrel{c}{\downarrow }}{+6}=0 \qquad \qquad x= \cfrac{ - b \pm \sqrt { b^2 -4 a c}}{2 a} \\\\\\ x= \cfrac{ - (5) \pm \sqrt { (5)^2 -4(1)(6)}}{2(1)} \implies x = \cfrac{ -5 \pm \sqrt { 25 -24}}{ 2 } \\\\\\ x= \cfrac{ -5 \pm \sqrt { 1 }}{ 2 }\implies x=\cfrac{-5\pm 1}{2}\implies x= \begin{cases} -2\\ -3 \end{cases} \\\\[-0.35em] ~\dotfill[/tex]
[tex]~~~~~~~~~~~~\textit{quadratic formula} \\\\ \stackrel{\stackrel{a}{\downarrow }}{2}x^2\stackrel{\stackrel{b}{\downarrow }}{-3}x\stackrel{\stackrel{c}{\downarrow }}{-2}=0 \qquad \qquad x= \cfrac{ - b \pm \sqrt { b^2 -4 a c}}{2 a} \\\\\\ x= \cfrac{ - (-3) \pm \sqrt { (-3)^2 -4(2)(-2)}}{2(2)} \implies x = \cfrac{ 3 \pm \sqrt { 9 +16}}{ 4 } \\\\\\ x= \cfrac{ 3 \pm \sqrt { 25 }}{ 4 }\implies x=\cfrac{3\pm 5}{4}\implies x= \begin{cases} 2\\ -\frac{1}{2} \end{cases}[/tex]
when the function f(x) is divided by x-1, the quotient is 3x^2-9x+7 and the remainder is 5. Find the function f(x) and write the result in standard form?
The function f(x) in standard form is 3x³ - 12x² + 16x -2
How to find the function f(x) and write the result in standard form?A function is an expression that shows the relationship between the independent variable and the dependent variable. A function is usually denoted by letters such as f, g, etc.
We have:
The function = f(x)
dividend = (x-1)
quotient = 3x²-9x+7
remainder = 5
Thus, the function f(x) in standard form will be:
f(x) = (x - 1)(3x² - 9x + 7) + 5
Expand the left-hand side:
f(x) = (3x³ - 9x² + 7x - 3x² + 9x - 7) + 5
f(x) = 3x³ - 12x² + 16x -7 + 5
f(x) = 3x³ - 12x² + 16x -2
Therefore, the function f(x) in standard form is 3x³ - 12x² + 16x -2.
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A lens used to observe a solar eclipse will filter 69% of the sunlight entering the lens for each 10 millimeters in thickness. Find an exponential function for the percentage of sunlight S passing through the lens as a function of the thickness t (in mm) of the lens.
S=
hmmm let's reword it
what is the Decay equation for sunlight, decaying at 69% at every interval of 10 mm of thickness for "t"?
[tex]\textit{Periodic/Cyclical Exponential Decay} \\\\ A=(1 - r)^{\frac{t}{c}}\qquad \begin{cases} A=\textit{current amount}\\ r=rate\to 69\%\to \frac{69}{100}\dotfill &0.69\\ t=thickness\\ c=period\dotfill &10 \end{cases} \\\\\\ A=(1 - 0.69)^{\frac{t}{10}}\implies A=0.31^{\frac{t}{10}}\hspace{5em}\boxed{S=0.31^{\frac{t}{10}}}[/tex]
If electricity is billed at a rate of $0.75 per KWH and you used on average 120 KWHs per month, what would you expect to pay each month?
You would expect to pay $90 each month for electricity based on an average usage of 120 KWHs per month.
How to find the expected monthly payTo calculate the monthly cost of electricity, you can multiply the average number of kilowatt-hours (KWH) used per month by the cost per KWH.
Given:
Cost per KWH: $0.75
Average monthly usage: 120 KWHs
To find the monthly cost, you can multiply the cost per KWH by the average monthly usage:
Monthly Cost = Cost per KWH * Average monthly usage
Plugging in the values, we have:
Monthly Cost = $0.75/KWH * 120 KWHs
Calculating the result:
Monthly Cost = $90
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Solve the equation log4 x² = log₂ (x-4).
Answer:
4x²=2(x-4)
2x²=x-4
2x²-x+4=0
x=1+√31/ 4, 1-√31/4
Step-by-step explanation:
1. Cancel log on both sides
2. Divide both sides by 2
3. Move all terms to one side
4. Use the quadratic formula
Pls help it’s for my homework l
Answer:
2997 cm²
Step-by-step explanation:
If the scale factor of linear dimensions of 2 figures is k, then the scale factor of the surface areas is k².
The linear scale factor of the figures is 9.
k = 9
k² = 9² = 81
The area of the big pot is 81 times the area of the small pot.
37 cm² × 81 = 2997 cm²
Hence, The Surface Area of the Larger Pot is: 2997 cm^2
Step-by-step explanation:
MAKE A PLAN:
We need to find the Ratio of the Surface Areas of the TWO POTS, based on the given Height Ratio, And then, Calculate the Surface Area of the Larger Pot:
SOLVE THE PROBLEM:1) - The Height Ratio is Given as ( 9:1 ), So, the Linear Ratio is ( 9 )
2) - The Ratio of Surface Areas is the Square of the Linear Ratio:
9^2 = 81
3) - Calculate the Surface Area of the LARGER POT:
h1 / h2 = 1/9
Now:S1 / S2 = 1/81
S2 = 37 * 81 = 2997 cm^2
37 cm^2 * 81 = 2997 cm^2
Draw the conclusion:Hence, The Surface Area of the Larger Pot is: 2997 cm^2
I hope this helps you!
For problems 6-7, state the postulate or theorem you would use to prove the triangles are similar.
Answer:
AA Postulate
Step-by-step explanation:
To prove that two triangles are similar in problem 6-7, we would use the Angle-Angle (AA) postulate. This postulate states that if two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar.
Point C has a coordinate of (-4, -6) and point D has a coordinate of (1, -6), how far are they apart?
The distance between points C and D is given as follows:
5 units.
How to calculate the distance between two points?Suppose that we have two points of the coordinate plane, and the ordered pairs have coordinates [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex].
The shortest distance between them is given by the equation presented as follows, derived from the Pythagorean Theorem:
[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
The coordinates for this problem are given as follows:
(-4, -6) and (1, -6).
Hence the distance is given as follows:
[tex]D = \sqrt{(-4 - 1)^2 + (-6 - (-6))^2}[/tex]
D = 5 units.
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Drag the tiles to the correct boxes to complete the pairs.
Match each percent amount to its correct value.
15% of 30
30% of 45
60% of 7
23% of 20
13.5
arrowBoth
4.5
arrowBoth
4.6
arrowBoth
4.2
arrowBoth
The correct matches are as follows:
15% of 30 ➔ 4.5
30% of 45 ➔ 13.5
60% of 72 ➔ 43.2
3% of 201 ➔ 6.03
Here is the correct matching of the percent amounts to their respective values:
15% of 30 ➔ 4.5
30% of 45 ➔ 13.5
60% of 72 ➔ 43.2
3% of 201 ➔ 6.03
To determine the values, we multiply the given percent amounts by their corresponding numbers.
For example, to find 15% of 30, we multiply 0.15 (which is the decimal form of 15%) by 30. The result is 4.5.
Similarly, 30% of 45 is obtained by multiplying 0.30 by 45, resulting in 13.5.
60% of 72 is calculated by multiplying 0.60 by 72, giving us 43.2.
Finally, 3% of 201 is obtained by multiplying 0.03 by 201, resulting in 6.03.
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Write the equation of the line in slope-intercept form. m=−2 , passes through the point (1,8)
Answer:
y = -2x+10
Step-by-step explanation:
Slope-intercept form of the equation for a line is
y = mx+b where m is the slope and b is the y intercept
We know the slope is -2
y = -2x+b
Substituting the point in for x and y and solving for b.
8 = -2(1) + b
8 = -2+b
10 =b
Now
y = -2x+10
Answer:
y = - 2x + 10
Step-by-step explanation:
The equation of a line in slope-intercept form is given by:
y = m x + c
Here,
m → slope of the line
c → y-intercept
In this case, the slope (m) is given as -2, and the line passes through the point (1, 8). We can substitute these values into the equation to find the y-intercept (c)Using the point-slope form of a line, we have:
( y - y₁ ) = m ( x - x₁ )
Substituting the coordinates ( x₁, y₁ ) = ( 1, 8 ), and the slope m = -2:
( y - 8 ) = - 2 ( x - 1 )
Expanding and rearranging the equation:
y - 8 = - 2x + 2
Adding 8 to both sides:
y = - 2x + 10
Janes printing services charges 29.95 to print 200 high quality copies of a one page resume . Each additional set of 100 copies cost 14$ regardless is you use all 100 copies or not . What is the cost for 425 copies ?
Answer:
$71.95
Step-by-step explanation:
$29.95- 200 copies
$14- 100 copies
$14- 100 copies
$14- 25 copies
so 14[3] + 29.95 = $71.95
Which of the following statements best describes the graph of x + y = 2? (5 points)
Group of answer choices
It is a line which intersects the x-axis at (2, 2).
It is a line which intersects the y-axis at (2, 2).
It is a line joining the points whose x- and y-coordinates add up to 2.
It is a line joining the points whose x- and y-coordinates add up to 4.
The best description of the graph is option B) It is a line which intersects the y-axis at (2, 2). This is because the line has a y-intercept of 2 and intersects the y-axis at the point (0, 2). Option B
To determine the best description of the graph of the equation x + y = 2, we can rearrange the equation into slope-intercept form, which is y = mx + b, where m is the slope and b is the y-intercept.
Rearranging the equation, we have:
y = -x + 2
From this equation, we can see that the slope is -1, meaning that for every unit increase in x, y decreases by 1. The y-intercept is 2, indicating that the line intersects the y-axis at the point (0, 2).
Therefore, the best description of the graph is option B) It is a line which intersects the y-axis at (2, 2). This is because the line has a y-intercept of 2 and intersects the y-axis at the point (0, 2).
Option A) It is a line which intersects the x-axis at (2, 2) is incorrect because the line intersects the x-axis at the point (2, 0), not (2, 2).
Option C) It is a line joining the points whose x- and y-coordinates add up to 2 is incorrect because the equation represents a line and not a set of points.
Option D) It is a line joining the points whose x- and y-coordinates add up to 4 is incorrect because the equation represents a line where the x- and y-coordinates add up to 2, not 4.
Option B
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Do the ratios
6/5 and 8/7 form a proportion
The ratio of 6/5 and 8/7 is 21/20
What is ratio?A ratio is a relationship between two things when it is expressed in numbers or amounts.
For example if the ratio of boys to girls In a class is 4: 5 , this means that there are 4 boys to 5 girls in the class , i.e for every 4 boys there are 5 girls.
For example if two boys are to share 10 mangoes in the ratio 1:4 , this means one will take 2 and the other will take 8
2:4 can also be expressed as 2/4 = 1/2
Similarly, 6/5 : 8/7
= 6/5)/8/7
= 6/5 × 7/8
= 42/40
= 21/20
Therefore the ratio of 6/5 : 8/7 is 21/20
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To pay for a $15,500 motorcycle, Jane made a down payment of $3300 and took out a loan for the rest. On the loan, she paid monthly payments of $219.23 for 5 years. What is the total amount Jane ended up paying for the motorcycle (including down payment and monthly payments)
Answer:
$16,453.80
Step-by-step explanation:
5 × 12 months = 60 months (the time she payed the monthly payments in months)
219.23 × 60 = 13, 153.8
13,153.8+3,300= $16,453.80.
Given the image below. Solve for y.
Answer:
y = 3[tex]\sqrt{5}[/tex]
Step-by-step explanation:
using the Altitude- on- Hypotenuse theorem
(leg of big Δ )² = (part of hypotenuse below it ) × (whole hypotenuse)
y² = 3 × (3 + 12) = 3 × 15 = 45 ( take square root of both sides )
y = [tex]\sqrt{45}[/tex] = [tex]\sqrt{9(5)}[/tex] = [tex]\sqrt{9}[/tex] × [tex]\sqrt{5}[/tex] = 3[tex]\sqrt{5}[/tex]
Please answer this :D
Answer:
2.4 yd
Step-by-step explanation:
Let the width of the walkway = x.
total length = x + 7.5
total width = x + 4.5
total area = (x + 7.5)(x + 4.5)
total area = 68.31 yd²
(x + 7.5)(x + 4.5) = 68.31
x² + 4.5x + 7.5x + 33.75 - 68.31 = 0
x² + 12x - 34.56 = 0
x = [-12 ± √(12² - 4(1)(-34.56)]/(2 × 1)
x = [-12 ± √(144 + 138.24)]/(2 × 1)
x = [-12 ± 16.8]/2
x = 2.4 or x = -14.4
Answer: 2.4 yd
If your grocery bills over the last four weeks were &203, $195,$180 and $238 what was the average bill?
Answer:
204
Step-by-step explanation:
Sum: 816
Count: 4
Median: 199
Geometric Mean: 202.92942642991
Largest: 238
Smallest: 180
Range: 58
Write the inequality shown by the graph. m ≤ 1 m > 1 m < 1 m ≥ 1
The inequality shown by the graph is m ≤ 1. This means that the values of m are less than or equal to 1. Any value of m that is equal to or smaller than 1 satisfies the inequality. However, any value of m that is greater than 1 does not satisfy the inequality.
Inequalities can be represented graphically using number lines.
The inequality m ≤ 1 means that all values of m that are less than or equal to 1 are solutions to the inequality.
The solution set is represented by a closed circle on the number line at the point where m = 1, and a line segment extending to the left of this point.
If we choose a value of m from the shaded region on the graph, such as m = 0, the inequality m ≤ 1 is satisfied because 0 is less than 1.
If we choose a value of m from the unshaded region, such as m = 2, the inequality is not satisfied because 2 is greater than 1. Therefore, the inequality shown by the graph is m ≤ 1.
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System A -x-27-8=0 x-27= 8
The system has no solution.
O The system has a unique solution:
(x,7) =
O The system has infinitely many solutions.
They must satisfy the following equation: y =
The system has infinitely many solutions, and they can be expressed in the form (x, y) = (x, x - 27), where x can take on any real value.
The given system of equations is:
x - 27 - 8 = 0
x - 27 = 8
To solve this system, let's start by simplifying the second equation:
x - 27 = 8
Adding 27 to both sides, we get:
x = 35
Now we can substitute the value of x into the first equation
x - 27 - 8 = 0
35 - 27 - 8 = 0
8 - 8 = 0
0 = 0
We see that the equation is satisfied, which means that the system is consistent. However, the system is not unique because it has infinitely many solutions. This is because when we simplified the second equation, we obtained a value for x (x = 35) that satisfies both equations.
The system can be represented by the equation y = x - 27. Since x can take on any value, y will also vary accordingly. Therefore, the solutions to the system can be written as (x, y) = (x, x - 27), where x is any real number.
In summary, the system has infinitely many solutions, and they can be expressed in the form (x, y) = (x, x - 27), where x can take on any real value.
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Casho needed to get her computer fixed, she tooled it to the repair store. The technician at the store worked on the computer for 5 hours and charged her 102$ for parts the total 627 write and solve an equation which can be used to determine x
The cost of the labor per hour
The cost of the labor per hour is $105. the equation can be used to determine x. The cost of labor per hour is $105. the total amount paid by Casho was $627 - $102 (the cost of the parts) = $525. The technician charged her $105 per hour for his labor.
Given, The technician at the store worked on the computer for 5 hours and charged her 102$ for parts a total 627.
Since Casho needed to get her computer fixed, she took it to the repair store. Therefore, the cost of labor per hour can be calculated.
To find the cost of labor per hour, we can use the following formula; Total Cost = Cost of Parts + Labor Cost * Hours Worked Given, Total Cost = 627Cost of Parts = $102 Labor Cost = x (unknown)Hours Worked = 5Thus, the equation can be written as;
Total Cost = Cost of Parts + Labor Cost * Hours Worked$627 = $102 + x * 5Solving the above equation for x; Let's first subtract $102 from both sides,$627 - $102 = x * 5$525 = x * 5Then, divide both sides by 5 to isolate x,$\frac{525}{5} = x$105 =
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Pls help it’s for my homework
a. The value of y when x = 4 is 13.
b. The correct point using part a is point B.
How to find the value of the output in a graph?The graph is represented with x and y axis. If y = x² - 3 let's find the value of y when x = 4.
Therefore,
a.
y = x² - 3
y = 4² - 3
y = 16 - 3
y = 13
b
Some point on the graph of y = x² - 3 have been plotted. Using the part a answer, the point B is the correct point of the equation.
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Write 135 as a product of its prime factors. Write your answer in index form need answer quickly URGENT
135 as a product of its prime factors is written as 3 × 3 x 3 x 5
What are prime factors?The prime factors are those prime digits that can divide a particular digit evenly and without leaving any remainder. To put it differently, these are the main digits that, when multiplied with one another, result in the initial number.
In mathematics and number theory, prime factors hold significant value as they enhance comprehension of number properties and interconnections. In addition, they are utilized in a range of mathematical calculations and algorithms.
From the information given, we have the value as;
135
The prime factors are 3 × 3 x 3 x 5
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