Answer:
\(y = mx + c\)
\(1 = - 3 \times 6 + c\)
\(1 = - 18 + c\)
\(1 + 18 = - 18 + 18 + c\)
\(19 = c\)
\(y = 6x + 19\)
Mariah needed to order her senior pictures. She made a
list of all the people she wanted to give a picture to. She
needed an 8 x 10 for her parents, two 5 x 7s for each of
her grandparents, fi ve 3 x 5s for her aunts and uncles,
and 32 wallet-size pictures for her friends. The photo
company charges $12.00 for each sheet of pictures. An 8
x 10 is a whole sheet, two 5 x 7s can fit on one sheet,
three 3 x 5s fi t on a sheet, and 16 wallet-size pictures fi t
on a sheet. How much money will she pay for pictures?
3. Line up a plan of action
4. Verify Your plan of action
A plan with sufficient specifics to carry out a task or goal is called an action plan.
What is a plan of action?An action plan is a document used in project management that outlines the activities to take in order to accomplish the project's goals and objectives. Therefore, an action plan specifies the resources you'll need to achieve those goals, creates a timeframe for the tasks or action items, and establishes the team members you'll need to complete it all.
An action plan is a detailed checklist of the steps and materials required to finish a project or reach a goal. It can be viewed as a visual countdown to project completion or a list of tasks necessary to produce desired results.
A plan with sufficient specifics to accomplish a task or goal is called an action plan.
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— 6u — 36 = -42 solve for u
Answer: u=1
Step-by-step explanation: add 36 to both sides to get -6u=-6 then divide both sides by -6 to get u=1
Emily earns $15 for each car she washes. Create an equation to represent the relationship between the number of cars washed,c, and the amount, in dollars, Emily earns, m.
Answer:
15c = m
Step-by-step explanation:
for every car she washes she learns 15 dollars. So you would multiply the number of cars she washes by 15 to get the amount she earns
PLEASE GUYSSSSSSSSSSSSSSSSS
Answer: (hopefully I didn't make a mistake :D )
y=-3+21
Step-by-step explanation: (I can't sketch the graph for you)
First you need to find the slope of the line passing through the points (5,4) and (-7,0). This can be done using the point-slope form of a line.
Point 1: (-7,0)
Point 2: (5,4)
y2-y1=m(x2-x1)
m= (y2-y1)/(x2-x1) = (4-0)/(5-(-7)) = 4/12= 1/3
Now, when two lines are perpendicular, they are negative recopricols. So the slope of the line would be -3.
Since the equation of the line you are trying to find passes through the point (4,9), using point-slope formula again and solve for y.
y-9=-3(x-4)
y= -3x+12+9
y=-3x+21
Emily hires someone to walk her dog during the day. The cost for 2 walks
is $9.00.
What is the cost for 5 walks?
Answer:
2 walks is $9.00 so first i would find the unit rate
Step-by-step explanation: To find the unit rate you would have to get 2 to 1 which means we would have to divide it by 2. 2 / 1 is 1 then we also have to divide 9 by 2 which would get you 4.5. Now you know that 1 walk is $4.50 , but you need to know how much it coust for 5 so you multiply by 5. $4.50 x 5 = $22.50
Consider a variant of the hamburger and figs example from class. Rachel has $50 in income, the price per hamburger is $3 and the price per bag of figs is $2. a) Write out an expression for Rachel's budget line. Sketch a graph, with hamburgers on the x axis. b) Suppose the price of figs increases to $3. Write out the new budget line equation and illustrate in your graph. c) Suppose income is $50, the price per hamburger is $3 and the price per bag of figs is $3. Rachel also receives $10 in cash from a friend. Write out a new budget line equation and illustrate in a graph. d) Suppose income is $50, the price per hamburger is $3 and the price per bag of figs is $3. Instead of cash, Rachel's friend gives her a gift basket containing 3 free bags of figs. Sketch Rachel's new budget line? Has the slope of the budget line changed? Can you write out a new budget line equation?
a. The graph of the budget line would have hamburgers on the x-axis and bags of figs on the y-axis. b. the budget line equation represents Rachel's affordability based on her income and the prices of hamburgers and figs. Changes in prices, income, or additional resources can affect the slope, position, or rotation of the budget line on a graph.
a) Rachel's budget line equation can be written as follows:
Budget = (Price of Hamburger * Quantity of Hamburgers) + (Price of Figs * Quantity of Figs)
Since the price per hamburger is $3 and the price per bag of figs is $2, the equation becomes:
Budget = 3x + 2y
Where x represents the quantity of hamburgers and y represents the quantity of bags of figs. The graph of the budget line would have hamburgers on the x-axis and bags of figs on the y-axis.
b) If the price of figs increases to $3, the new budget line equation becomes:
Budget = 3x + 3y
The graph of the new budget line would show a steeper slope compared to the original budget line. This indicates that the relative price of figs has increased, making them relatively more expensive compared to hamburgers.
c) In this scenario, Rachel has an income of $50, the price per hamburger is $3, the price per bag of figs is $3, and she receives an additional $10 in cash from a friend. The new budget line equation can be written as:
Budget = (3x + 3y) + 10
The graph of the new budget line would shift upward parallel to the original budget line. The additional cash from Rachel's friend increases her purchasing power, allowing her to afford more hamburgers and/or bags of figs.
d) Now, Rachel's friend gives her a gift basket containing 3 free bags of figs. In this case, the budget line equation remains the same as in part c:
Budget = (3x + 3y) + 10
However, since Rachel receives 3 free bags of figs, she can allocate more of her budget towards purchasing hamburgers. This would cause the budget line to rotate outward from the y-intercept, resulting in a flatter slope. The new budget line would reflect Rachel's ability to purchase more hamburgers with the same income and price of figs.
In summary, the budget line equation represents Rachel's affordability based on her income and the prices of hamburgers and figs. Changes in prices, income, or additional resources can affect the slope, position, or rotation of the budget line on a graph.
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need help with this please!
Answer:
p = 19 ft
hope it's helpful
The height of
the
glass
is 7cm and radius is 3cm if the glass is half filled with water find the height of the water.find the area of the water
Hey there! I'm happy to help!
This glass is most likely a cylinder. To find the volume of a cylinder you take the area of the circle base and multiply it by the height.
To find the area of a circle, you square the radius and multiply it by pi (we will use 3.14 for pi).
Our radius is 3cm.
3
We square it.
3²=9
Multiply by 3.14.
9×3.14=28.26
Now that we have our circle base area, we multiply it by the height (7 cm).
28.26×7= 197.82
This is how many cubic centimeters the glass can hold if it is completely full. However, we want half full, so we can just divide by 2.
197.82/2=98.91
We can also multiply our circle base by 3.5, which will give us half of the full height.
So, the height of the water is 3.5 cm and the volume of the water is 98.1 cm³.
Have a wonderful day and keep on learning! :D
Ivanna made $133 for 7 hours of work. At the same rate, how many hours would she have to work to make $228?
Ardi and Lei are both travelling by train.
Ardi's train travels 70 km in 35 minutes.
Lei's train travels 585 km.
It leaves at 9:05 and arrives at 13:35.
Work out the difference, in km/h, between the average speed of their trains.
Answer:
10 kilometer/hour
Step-by-step explanation:
Average speed = Total distance travelled / Total time taken
Ardi:
Total distance travelled = 70 km
Total time taken = 35 minutes = 35/60 hour
Average speed = Total distance travelled / Total time taken
= 70 km ÷ 35/60 hr
= 70 × 60/35
= 4,200/35
= 120 kilometer/hour
Lei:
Total distance travelled = 585 km Total time taken = 9:05 - 13:35 = 4 hours 30 minutes
= 4.5 hours
Average speed = Total distance travelled / Total time taken
= 585 km / 4.5 hours
= 130 kilometer/hour
Difference, in km/h, between the average speed of their trains = Lei's train - Ardi's train
= 130 kilometer/hour - 120 kilometer/hour
= 10 kilometer/hour
Travelling 900 km by rail costs of Rs 280. What would be the fare for a journey of 360 km when a person travels by the same class?
Answer:
Image attached
Step-by-step explanation:
Hope it helps!!!!
The isosceles triangle is a scale drawing of a flag.
The perimeter of the actual flag is 22 in. Draw
another scale drawing of the flag with a perimeter
of 11 in. What is the scale of your drawing? Explain.
Answer:
Scale factor = \(\frac{1}{2}\)
Step-by-step explanation:
Perimeter of the actual flag = 22 in.
Perimeter of the scale drawing of the flag = 11 in.
Since, perimeter of a triangle = Sum of all three sides of the given triangle
Therefore, scale factor of the drawing
= \(\frac{\text{Measure of the side of drawing}}{\text{Measure of the side of actual}}\) = \(\frac{\text{Perimeter of drawing}}{\text{Perimeter of actual}}\)
= \(\frac{11}{22}\)
= \(\frac{1}{2}\)
Therefore, scale factor of the drawing will be \(\frac{1}{2}\).
Each side of the scaled triangle will be half of the actual triangle.
the statement int grades[ ] = { 100, 90, 99, 80 }; is an example of
Answer:
implicit array sizing
Step-by-step explanation:
The statement "int grades[] = { 100, 90, 99, 80 };" initializes an integer array called "grades" with the values 100, 90, 99, and 80. The given statement is an example of initializing an integer array in C++.
The array is named "grades" and has an unspecified size denoted by the empty square brackets []. The values inside the curly braces { } represent the initial values of the array elements.
In this case, the array "grades" is initialized with four elements: 100, 90, 99, and 80. The first element of the array, grades[0], is assigned the value 100, the second element, grades[1], is assigned 90, the third element, grades[2], is assigned 99, and the fourth element, grades[3], is assigned 80.
The array can be accessed and manipulated using its index values. This type of initialization allows you to assign initial values to an exhibition during its declaration conveniently.
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Find the marked angles in Fig. 13.25. 4x X 3x
The marked angles in Fig. 13.25 are 96 degrees and 72 degrees.
In Fig. 13.25, we have two parallel lines AB and CD. We also have a transversal XY that intersects these two parallel lines. We need to find the marked angles, which are 4x and 3x.
Step 1: Identify the pairs of corresponding angles.
The corresponding angles are the ones that are on the same side of the transversal and in the same position with respect to the parallel lines.
The corresponding angles are equal. For example, angle AXY and angle CYX are corresponding angles and are equal. Similarly, angle BYX and angle DXY are corresponding angles and are equal. We can write the corresponding angles as follows: Angle AXY = angle CYXAngle BYX = angle DXYStep 2:Identify the pairs of alternate interior angles.
The alternate interior angles are the ones that are on opposite sides of the transversal and in the same position with respect to the parallel lines.
The alternate interior angles are equal. For example, angle BXY and angle CXD are alternate interior angles and are equal. Similarly, angle AYX and angle DYC are alternate interior angles and are equal. We can write the alternate interior angles as follows:
Angle BXY = angle CXDAngle AYX = angle DYCStep 3:Identify the pair of interior angles on the same side of the transversal. The interior angles on the same side of the transversal are supplementary. That is, their sum is 180 degrees.
For example, angle AXY and angle BYX are interior angles on the same side of the transversal, and their sum is 180 degrees. We can write this as follows: Angle AXY + angle BYX = 180Step 4:Use the relationships we have identified to solve for x.
We can start by using the relationship between angle BXY and angle CXD, which are alternate interior angles. We have angle BXY = angle CXD4x = 3x + 10x = 10Next, we can use the relationship between angle AXY and angle BYX, which are interior angles on the same side of the transversal.
We have:angle AXY + angle BYX = 180(3x + 10) + 4x = 1807x + 10 = 1807x = 170x = 24Finally, we can substitute x = 24 into the expressions for 4x and 3x to find the marked angles. We have:4x = 4(24) = 963x = 3(24) = 72Therefore, the marked angles in Fig. 13.25 are 96 degrees and 72 degrees.
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A scuba diver returning to the surface swims to move up quickly, then waits a few meters below the surface to avoid pressure issues. They complete the ascent more slowly. The function f represents the diver's distance from sea level over time, in seconds. Which of the following is true for f?
f(x)= { 3x+1, if −9 < x ≤ −2
f(x)= {−5, if. −2 < x ≤ 1
f(x)= { x−6, if 1 < x < 7
Group of answer choices
The domain is the time interval (−9, 7).
The domain is the set of times −9 < x < −2, −2 < x < 1, and 1 < x < 7.
The domain is the depth interval (−26, 1).
The domain is the depth interval (−9, 1]
Given:
The function f represents the diver's distance from sea level over time, in seconds.
\(f(x)=\begin{cases}3x+1 & \text{ if } -9<x\leq -2 \\ -5 & \text{ if } -2<x\leq 1 \\ x-6 & \text{ if } 1<x<7 \end{cases}\)
To find:
The correct statement for the domain.
Solution:
Domain is the set of input values for which the function is defined.
Here, x values are the input values and they represent time intervals on which the function is defined
Here, the possible intervals for x are \(-9<x\leq -2,-2<x\leq 1,1<x<7\).
\(Domain=(-9,-2]\cup (-2,1]\cup (1,7)\)
\(Domain=(-9,7)\)
Therefore, the domain is the time interval (−9, 7). Hence the correct option is A.
Anya has $25,000 which she recently received from a trust fund, which she intends to invest in an account earning 12% annually. a) How many years would it take Anya to accumulate $40,000. b) If Anya's goal is to save $40,000 in just 3 years, what rate of return must she earn annually on her account. Show all workings and formulae
a) It would take Anya approximately 4 years to accumulate $40,000 with an annual interest rate of 12%. b) Anya must earn an annual rate of return of approximately 12.6% to save $40,000 in 3 years.
a) To calculate the number of years it would take Anya to accumulate $40,000, we can use the future value formula for compound interest:
Future Value = Present Value * (1 + interest rate)ⁿ
Where:
Future Value = $40,000
Present Value = $25,000
Interest rate = 12% = 0.12
n = number of years
Substituting the given values into the formula, we have:
$40,000 = $25,000 * (1 + 0.12)ⁿ
Dividing both sides of the equation by $25,000, we get:
(1 + 0.12)ⁿ = 40,000 / 25,000
(1.12)ⁿ = 1.6
To solve for n, we can take the logarithm of both sides of the equation:
n * log(1.12) = log(1.6)
Using a calculator, we find that log(1.12) ≈ 0.0492 and log(1.6) ≈ 0.2041. Therefore:
n * 0.0492 = 0.2041
n = 0.2041 / 0.0492 ≈ 4.15
b) To calculate the required rate of return for Anya to save $40,000 in just 3 years, we can rearrange the future value formula:
Future Value = Present Value * (1 + interest rate)ⁿ
$40,000 = $25,000 * (1 + interest rate)³
Dividing both sides of the equation by $25,000, we have:
(1 + interest rate)³ = 40,000 / 25,000
(1 + interest rate)³ = 1.6
Taking the cube root of both sides of the equation:
1 + interest rate = ∛1.6
Subtracting 1 from both sides, we get:
interest rate = ∛1.6 - 1
Using a calculator, we find that ∛1.6 ≈ 1.126. Therefore:
interest rate = 1.126 - 1 ≈ 0.126
To express the interest rate as a percentage, we multiply by 100:
interest rate = 0.126 * 100 = 12.6%
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Which of the following combinations would result in multiple triangles?
Click on the image to see answers
The following combinations would result in multiple triangles:
B) 5°, 122° and 61°.
C). 2 cm, 8 cm, 10 cm.
The correct options are B and C.
What is a Triangle?A polygon which has three sides and three vertices is called as triangle.
The sum of all the angles of the triangle is 180°.
A) The sum of all the angle is 180°.
It can form the triangle.
B) The sum of all the angle is less than 180°.
From this property, we can not form a triangle.
C). The triangle inequality,
the sum of two sides is less than the side length of the large side.
This property can satisfy the multiple triangle property.
D). It can be the property of a triangle.
Therefore, the combinations are statement B and C.
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Me miles burrow lies 5 meters below ground. He started digging his way deeper into the ground. Descending 3 meters each minute. Graph the relationship between Mr. Moles elevation relative to the ground (in meters) and in time (in minutes)
Answer:
y= -3x-5
Step-by-step explanation:
Since your 5 m below, it is -5
The rate of change is 3 but since your going down, it is -3.
Hope this helps and sorry I can't graph this but you can use the equation to help
help ASP PLEASE!!!!!!!!!!!!!
The diagram that shows all the possible outcomes when each arrow is spun once would be diagram D.
How to determine the possible outcome of the given events above?To determine the possible outcome of the given events, the following steps are carried out.
The first spinner has the outcomes listed as follows = A,B,C,D
The second spinner has the outcomes listed as follows=
Red(R) and Pink(P)
When both outcomes are merged the whole possible outcomes include the following;
= A(R and P)
B (R and P)
C ( R and P)
D ( R and P)
Therefore,the diagram that shows all the possible outcomes when the both spinners are spun once would be diagram D
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What is the formula to find the units?
A unit rate's component is always 1. To find the unit rate, divide the fraction by the fraction such that the denominator is equal to one.
The meaning of math units:
Of mathematics, a unit can be thought of as the right side point in a number or the number one. In this instance, the unit number in the number 6713 is 3. A unit is also a term that may be used to describe the common measurement units.
The dimensions of a unit:
The area of a unit as depicted on the subdivision or annexation map that created the unit is referred to as its size. The lot, tract, or parcel size divided by the number of dwellings is the unit size for two-family and multiple-family homes on a single unit.
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Which of the following equations match the graph of the circle shown below?
Answer:
The circle in graph as radius = 4 and center O(2, 3)
=> equation of this circle: (x - 2)^2 + (y - 3)^2 = 4^2 = 16
=> Option C is correct
Hope this helps!
:)
reciprocal of 1 3/17??
Answer:
the negative reciprocal is -17/20
Answer:
17/20
Step-by-step explanation:
i hope this helps u
Which scatterplot demonstrates a non-linear relationship between x and y?
Answer:
D, or the bottom right.
Step-by-step explanation:
The right lower (U shape) scatter plot : demonstrates a non linear relationship between x & y.
The straight scatter plots denote linear relationships.
The upward sloping curve shows direct or positive linear relationship. The downward sloping curve shows inverse, indirect or negative positive relationship.
The scatter plot parallel to x axis, denotes constant values of y at various levels of x.
The parabolic U shaped curve demonstrates a non linear, ie quadratic relationship between dependent variable y & independent variable x.
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What are the solutions of the system? y=−6x−6 and y= x^2 −5x−6
Answer:
(0,-6) and (-1,0)
Step-by-step explanation:
First:
Set both sides equal to each other: -6x-6=x^2-5x-6
Next:
factor -6 our from the first side and write -5x as a difference:
-6(x+1)=x^2+x-6x-6
Then:
factor out x and -6 drom the second side:
-6(x+1)=x(x+1)-6(x-+1)
Then:
Factor out (x+1)
-6(x+1)=(x+1)(x-6)
Next Combine to one side and factor:
-(x+1)(6+x-6)=0
Simplify:
(x+1) (x)=0
find the zero:
x+1=0 --> x=-1
x=0 --> x=0
Substitute into the equations to find y:
y=-6(-1)-6
y=-6(0)-6
Solve:
y=0
y=-6
Answer:
(x1,y1)= (-1,0)
(x2,y2)= (0,-6)
Find the centre and radius of the circle.
x² + y² + 8x + 10y - 8 = 0
Answer:
Centre = ( - 4, - 5 )
Radius = 7
Step-by-step explanation:
x² + y² + 8x + 10y - 8 = 0
It is in the form of x² + y² + 2gx + 2fy + c = 0 ( General circle equation ).
where,
2g = 8
g = 4
2f = 10
f = 5
c = - 8
Formula : -
The centre of the circle = ( - g, - f )
So,
The centre of the circle is ( - 4, - 5 ).
Formula : -
( Radius )² = g² + f² - c
( Radius )² = ( - 4 )² + ( - 5 )² - ( - 8 )
= 16 + 25 + 8
( Radius )² = 49
Square root on both sides,
Radius = √49 = 7
Answer:
See below ~
Step-by-step explanation:
Given
x² + y² + 8x + 10y - 8 = 0Completing the square method (for both x and y)
Add and subtract 16 and 25.x² + 8x + 16 - 16 + y² + 10y + 25 - 25 - 8 = 0(x + 4)² + (y + 5)² - 49 = 02. Bring the constant term to the other side by adding 49 on both sides.
(x + 4)² + (y + 5)² - 49 + 49 = 0 + 49(x + 4)² + (y + 5)² = 493. Centre = (x, y)
x + 4 = 0x = -4y + 5 = 0y = -5Centre = (-4, -5)4. Radius
r² = 49r = √49radius = 7please answer quickly
Can I get help with this
Answer:
About 31.8%
Step-by-step explanation:
56/175 would get you your answer.
but i'm a bit rusty on how to do this
In the figure, two lines are intersected by a transversal. For what value of x are the lines parallel?
(94 degrees) (4x + 30)
The value of x that makes the two lines parallel is given as follows:
x = 16.
What are corresponding angles?When two parallel lines are cut by a transversal, corresponding angles are pairs of angles that are in the same position relative to the two parallel lines and the transversal. Corresponding angles are always congruent, which means that they have the same measure.
As corresponding angles are congruent, and 94º and (4x + 30)º are corresponding angles, the value of x is obtained as follows:
4x + 30 = 94
4x = 64
x = 64/4
x = 16.
Missing Information
If the two lines are parallel, 94º and (4x + 30)º are corresponding angles.
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Evaluate the line integral, where C is the given curve. ∫Cz2dx+x2dy+y2dz,C is the line segment from (1,0,0) to (5,1,2)
The line integral ∫Cz² dx + x² dy + y² dz along the line segment from (1, 0, 0) to (5, 1, 2) evaluates to 11.
To evaluate the line integral ∫Cz² dx + x² dy + y² dz, where C is the line segment from (1, 0, 0) to (5, 1, 2), we need to parameterize the curve and compute the integral along the curve.
Let's parameterize the curve C(t) = (x(t), y(t), z(t)) as follows:
x(t) = 1 + 4t
y(t) = t
z(t) = 2t
We will integrate with respect to the parameter t from t = 0 to t = 1.
Now, we can compute the line integral
∫C z² dx + x² dy + y² dz = ∫[0,1] (z²(dx/dt) + x²(dy/dt) + y²(dz/dt)) dt
Substituting the parameterizations and differentiating, we have
\(\int\limits^0_1\)(4t²(4) + (1 + 4t)²(1) + t²(2)) dt
Expanding and simplifying:
\(\int\limits^0_1\)(16t² + 1 + 8t + 16t² + 2t²) dt
Combining like terms
\(\int\limits^0_1\) (18t² + 8t + 1) dt
Integrating term by term:
\(\int\limits^0_1\) (6t³ + 4t² + t) evaluated from 0 to 1
Substituting the limits of integration
(6(1)³ + 4(1)² + 1) - (6(0)³ + 4(0)² + 0)
Simplifying
6 + 4 + 1 = 11
Therefore, the value of the line integral ∫Cz² dx + x² dy + y² dz along the line segment from (1, 0, 0) to (5, 1, 2) is 11.
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Evaluate223×225Give your answer as a mixed number in its simplest form.