Quadrilateral ARMY is rotated 90° about the origin.
Draw the image of this rotation.
A 3,3
Y 5,1
M 7,5
R 5,7
Answers
The quadrilateral's image points will be A(3, 3) A'(-3, 3) R(5, 7) R'(-7, 5) M(7, 5) M'(-5, 7) Y(5, 1) Y' (-1, 5).
What do math quadrilaterals mean?
A polygon called a quadrilateral has four sides, four angles, and four vertices. Quadrilateral is a derivative of the Latin words quadri, which means four, and latus, which means side. A quadrilateral is shown in the above image as an example. quadrilateral pieces.If a point (x, y) is rotated 90 degrees counterclockwise with respect to the origin, the rotational rule is:
(x, y) → (-y, x) (-y, x)
Consequently, the image point's coordinates following rotation will be (-y, x).
According to this rule, the quadrilateral's image points will be A(3, 3) A'(-3, 3) R(5, 7) R'(-7, 5) M(7, 5) M'(-5, 7) Y(5, 1) Y' (-1, 5)
We may obtain the graph of the picture quadrilateral A'R'M'Y' by graphing the image points.
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Related Questions
2y + 6 = y — 7. What is the value of y?
Answers
y=-13
Step-by-step explanation:
2y+6=y-7
2y+6-6=y-7-6
2y=y-13
2y-y=y-13-y
y=-13
The value after solving the given expression will be equal to -13.
What is an expression?Mathematical actions are called expressions if they have at least two terms that are related by an operator and include either numbers, variables, or both. Adding, subtraction, multiplying, and division are all reflection coefficient operations. A mathematical operation such as reduction, addition, multiplication, or division is used to integrate terms into an expression.
As per the given expression in the question is,
2y + 6 = y - 7
Rearrange the equation,
2y - y = -7 - 6
y = -13
Therefore, the obtained value for y will be -13.
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Finding the absolute maximum and minimum of a function given the graph
Answers
Explanation
An absolute maximum point is a point where the function obtains its greatest possible value.
Similarly, an absolute minimum point is a point where the function obtains its least possible value.
Step 1
check the graph of g:
The y- coordinates (output) at the highest and lowest points are called the absolute maximum and absolute minimum
To locate absolute maxima and minima from a graph, we need to observe the graph to determine where the graph attains it highest and lowest points on the domain of the function
so, for G
[tex]\begin{gathered} \text{maximum}=\text{ None ( the graph continues raising up)} \\ \text{minimum}=-3 \end{gathered}[/tex]Step 2
Now, for h
[tex]\begin{gathered} \text{ Minimum; -5} \\ \text{ ma}\xi mum\colon5 \end{gathered}[/tex]I hope this helps you
That is just the chart. Disregard question 6. 7. A survey of 381 adult females produced a mean height of 65.2 inches with a standard deviation of 2.8 inches. Construct a confidence interval based on a 95% confidence level.O (64.92, 65.48)© (64.83, 65.57)O (65.19, 65.21)© (64.96, 65.44)
Answers
Step 1
Given;
[tex]\begin{gathered} n=381\text{ adults} \\ Mean\text{ \lparen}\mu)=65.2 \\ \sigma=2.8 \end{gathered}[/tex]Step 2
The confidence interval is given as follows;
[tex]CI=\mu\pm t_{\frac{\alpha}{2}}(\frac{s}{\sqrt{n}})[/tex]The test statistic for a 95% confidence interval with α = 0.05, the degrees of freedom, df= n-1 = 381-1=380
[tex]t_{\frac{\alpha}{2},df}=t_{\frac{0.05}{2},380}[/tex][tex]t_{\frac{\alpha}{2},df}=t_{\frac{0.05}{2},380}=1.97[/tex][tex]\begin{gathered} C.I=65.2\pm1.97(\frac{2.8}{\sqrt{381}})=65.2\pm0.2825932406 \\ C.I=(64.92,65.48) \end{gathered}[/tex]Answer;
[tex]C.I=(64.92,65.48)[/tex]A tailor has 20 yards of shirt fabric. How many shirts can she
complete if each shirt requires 2% yards of fabric?
Answers
Answer:
2%/100% ×20=
Step-by-step explanation:
from this one of the zeros from the hundred would cancel the zero from 20 which will give you 2/10×2 and mind you percentage cancel percentage. from this 2 will cancel 10 leaving the answer 2 over 5
solve for x.
0.4x-2.8/4=1.5
x=
Answers
Answer:
5.5
Step-by-step explanation:
0.4x = 2.2
x = 5.5
please I just need help with these two questions
Answers
Question 1:
Each of these options can be read as "8 to 15", except for 15:8. This is read as "fifteen to eight". Lets say in 8:15 you have 8 of a and 15 of b. In 15:8, however, you have 15 of a and 8 of b. These are not the same ratio.
Question 2:
The amount of people that can go down the slide in 1 minute is 6, because 18/3 = 6. So:
12/6 = 2
6ppl/1min (multiply both terms by 2)
12ppl/2min
It would take 12 people 2 minutes to go down the slide.
Jonas wants to make a poster of a drawing he made. The original drawing is 8 inches wide, and he wants the poster to be 30 inches wide. What zoom button setting will he have to use on the library copier to create a poster of this size?
Answers
Answer:
He should use a 375% zoom to create a 30-inch wide poster.
Step-by-step explanation:
30/8 = 3.75, and 8*3.75=30. So 375%.
Mark as brainliest please.
2. Perform the indicated operation. Express your answer in simplest form. Show any necessary work. Then answer the question. (a) -2.48/12.4 (b) -12.5/-0.025 (c) Imagine your friend uses long division to determine the quotients, and is confused by how quickly you were able to determine the correct answer without performing long division. Explain how you were able to determine the quotients without performing long division.
Answers
Part a
we have the expression
[tex]\frac{-2.48}{12.4}[/tex]Multiply the fraction by 100/100 to remove decimal numbers
[tex]\frac{-2.48}{12.4}\cdot\frac{100}{100}=-\frac{248}{1,240}[/tex]Simplify the fraction
[tex]-\frac{248}{1,240}=-\frac{1}{5}[/tex]Part b
we have the expression
[tex]\frac{-12.5}{-0.025}[/tex]Multiply the expression by 1,000/1,000 to remove decimal numbers
so
[tex]\frac{-12.5}{-0.025}\cdot\frac{1000}{1000}=\frac{12,500}{25}[/tex]Simplify
[tex]\frac{12,500}{25}=\frac{500}{1}=500[/tex]Part c
to determine the quotients without performing long division
step 1
Convert the decimal numbers of the quotient to integer numbers, multiplying the numerator and denominator by a fraction of the form 10/10, 100/100,1000/1000, etc
step 2
Simplify the fraction in the simplest form
what is the scale factor that creates the copy triangle DEF
Answers
The required scale factor is;
[tex]\frac{DE}{AB}=\frac{1.34}{2}=0.67=\frac{67}{100}[/tex]So, the required scale factor is 0.67 or 67/100
Select the two values of x that are roots of this equation.
x2 + 3x – 5 = 0
Answers
The two values for the quadratic equation [tex]x^{2} +3x-5=0[/tex] is [tex]\frac{-3+\sqrt{29} }{2}[/tex] and [tex]\frac{-3-\sqrt{29} }{2}[/tex]
What is quadratic equation?
Quadratic equation is a second-order equation written as ax2 + bx + c = 0 where a, b, and c are coefficients of real numbers and a ≠ 0.
The solution of the x = [-b±√(b2-4ac)]/2a
where b= 3 a= 1 and c = -5.
x = -3±[tex]\sqrt{3^{2}-4(1)(-5) } /2[/tex]
x=[tex]\frac{-3-\sqrt{29} }{2}[/tex]
and x = [tex]\frac{-3+\sqrt{29} }{2}[/tex]
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Indigo Depot is having a clearance sale of their spring items. All clearance items are marked an additional 35 % off the sale price. A dress that originally cost $120 beforeany discount is on sale for 20 % off. What is the final price? Round your answer to the nearest cent, if necessary.
Answers
From the information provided, The original price had a discount of 35% slash during he clearance.
This means the clearance sales price would be;
[tex]\begin{gathered} \text{Clearance price}=120-(120\times0.35) \\ \text{Clearance sales}=120-42 \\ \text{Clearance sales}=78 \end{gathered}[/tex]This means a dress that "originally" cost $120 now sells for $78 during the clearance sales.
The dress is now on sale for 20% off.
Therefore, the final price would be;
[tex]\begin{gathered} \text{ Final price}=78-(78\times0.20) \\ \text{Final price}=78-15.60 \\ \text{ Final price}=62.40 \end{gathered}[/tex]ANSWER:
The final price is $62.40
The measures of the angles of a triangle are shown in the figure below. Solve for x.
34°
46°
x°
Answers
The measures of the angle x in the triangle is 100 degrees
How to determine the measures of the angle?From the question, we have the following parameters that can be used in our computation:
Angles = 34, 46 and x
The sum of angles in a triangle add up to 180 degrees
This is represented as
Sum of angles = 180
Substitute the known values in the above equation
So, we have
34 + 46 + x = 180
Evaluate the like terms in the above equation
So, we have
80 + x = 180
Evaluate the like terms in the above equation
So, we have
x = 100
Hence, the value of x is 100
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The population of a small town in central Florida has shown a linear decline in the years 1995-2005. In 1995 the population was 24100 people. In 2005 it was 14800 people.
Answers
Part A:
Since the population is showing a linear decline, we can express the function P(t) as
[tex]\begin{gathered} y=mx+b \\ \text{where} \\ m\text{ is the slope} \\ b\text{ is the y-intercept} \end{gathered}[/tex]Given two points
(1995,24100), and (2005,14800)
[tex]\begin{gathered} m=\frac{y_2-y_1}{x_2-x_1} \\ \text{IF }\mleft(x_1,y_1\mright)=\mleft(1995,24100\mright),\text{ and }(x_2,y_2)=\mleft(2005,14800\mright),\text{ THEN} \\ \\ m=\frac{y_2-y_1}{x_2-x_1} \\ m=\frac{14800-24100}{2005-1995} \\ m=\frac{-9300}{10} \\ m=-930 \end{gathered}[/tex]Now that we have solved for the slope, we can now solve for the y-intercept. We will use the point (2005,14800), but using (1995,24100) will work just as well.
[tex]\begin{gathered} \text{IF }m=-930,\text{ and }(x,y)=\mleft(2005,14800\mright),\text{ THEN} \\ \\ y=mx+b \\ 14800=(-930)(2005)+b \\ 14800=-1864650+b \\ 14800+1864650=+b \\ 1879450=b \\ b=1879450 \end{gathered}[/tex]Convert the function x into a function of time t, then the the function is
[tex]P(t)=-930t+1879450[/tex]Part 2:
What will be the population in 2007.
Substitute t = 2007.
[tex]\begin{gathered} P(t)=-930t+1879450 \\ P(2007)=-930(2007)+1879450 \\ P(2007)=-1866510+1879450 \\ P(2007)=12940 \end{gathered}[/tex]Therefore, in the year 2007, the population will be 12940.
Which is the area of the circle shown? Use 3.14 for π.
1. 18.84 m^2
2. 37.68 m^2
3. 113.04 m^2
4. 354.95 m^2
Answers
Answer:
3: 113.04 m^2
Step-by-step explanation:
pi r^2
3.14 x 36
= 113.04 m^2
:]
in ABC, The sum of measures of A and B is 90°. A is 30° less than twice B use this information to find the measure of each angle
Answers
Given:
The sum of measures of A and B is 90°
so, we have the following equation:
[tex]A+B=90\rightarrow(1)[/tex]And, A is 30° less than twice B
so, we have the following equation:
[tex]A=2B-30\rightarrow(2)[/tex]Solving the equations (1) and (2)
Substitute with A from equation (2) into equation (1)
[tex]\begin{gathered} 2B-30+B=90 \\ 3B=120 \\ B=\frac{120}{3}=40 \end{gathered}[/tex]Substitute with B into equation (2) to find A:
[tex]A=2\cdot40-30=50[/tex]So, the answer will be:
The measure of angle A = 50
The measure of angle B = 40
i need this answer asap pleasee
Answers
Answer:
The equation of the line is y=3x+3
A bicycle company is manufacturing a new bicycle and trying to decide on a price that will maximizing their profit. the graph below represents profit (P), in thousands of dollars,generated by the price of each bike (x), in hundreds of dollarsIf the company wants to make a maximum profit,what should the price of the bicycle be?
Answers
The graph shows the profit (measured in thousands of dollars) on the y-axis and the price per bike (measured in hundreds of dollars) on the x-axis, the parabola describes the relationship between both variables.
As you can see the parabola opens downwards, which means that the maximum value of the relationship is determined by the vertex of the curve.
The coordinates of the vertex indicate the value of the bikes (x-coordinate) that allows the company to make the maximum profit (y-coordinate)
Looking at the graph the coordinates for the vertex are, approximately, (6, 160)
x-coordinate: 6 hundreds of dollars
y-coordinate 160 thousands of dollars
The maximum profit will be $160,000, and they will reach it when the bicycles cost $600
Jay's family is moving to a new home they packed 22 boxes in 1 5/6 hours what is the average number of boxes they packed per hour Pls asap
Answers
=> 22/(11/6) => 12 boxes per hr
Find the value of sin G rounded to the nearest hundreth if necessary
Answers
sin G = 0.84
Explanation:
[tex]\begin{gathered} GF\text{ = }\sqrt[]{35} \\ FE\text{ = }\sqrt[]{86} \\ GE\text{ = 11} \end{gathered}[/tex]We will apply trigonometry ratio SOHCAHTOA:
sin G is sine ratio (SOH)
sin G = opposite/hypotenue
[tex]\begin{gathered} \text{Angle = G} \\ \text{opposite = side opposite the angle G = }\sqrt[]{86} \\ \text{hypotenuse = longest side = 11} \end{gathered}[/tex][tex]\begin{gathered} \sin \text{ G = }\frac{\sqrt[]{86}}{11} \\ \sin \text{ G = }\frac{9.2736185}{11} \\ \sin \text{ G = 0.8431} \\ \\ To\text{ the nearest hundredth, } \\ \sin \text{ G = 0.84} \end{gathered}[/tex]Here is the imagine of the triangle ABC and it’s dilations using center D and scale factor 2
Answers
(3) The question state that we should explain the relationship between angle ACB and A'C'B' in the given diagram.
From the the diagram in the question, we can see that wa have two different triangle which are ABC and A'B'C'.
The relationship between angle ACB and angle A'C'B' is that they are corresponding angles. because they are on the same side of the line.
Corresponding angles are any pair of angles each of which is on the same side of one of two lines cut by a trasnsversal and on the same side of the transversal.
Therefore, the relationship between angle ACB and angle A'C'B' is that they are corresponding angles.
line m and n are parallel when x=
Answers
we have those angles must measure the same so
[tex]\begin{gathered} 4x-6=150 \\ 4x=156 \\ x=\frac{156}{4}=39 \end{gathered}[/tex]so x=39
9 is subtracted from the square of a number
Answers
A construction crew is lengthening a road. The road started with a length of 54 miles, and the crew is adding 3 miles to the road each day.
Let L represent the total length of the road (in miles), and let D represent the number of days the crew has worked. Write an equation relating L to D. Then use this equation to find the total length of the road after the crew has worked 37 days.
Answers
The equation for calculation of total length is L = 54 + 3D and the total length for 37 days 165 miles.
The equation will be formed as total length will be sum of first length travelled with the product of number of miles travelled each day and number of days. Representing this as the equation -
L = 54 + 3D
Now, keep the value of D in formula to find the total length.
L = 54 + 3×37
Performing multiplication on Right Hand Side of the equation
L = 54 + 111
Performing addition on Right Hand Side of the equation
L = 165 miles
Therefore, the equation is L = 54 + 3D and total length is 165 miles.
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Can someone please answer this question for me:
Answers
Answer:
16c²+ 32 cd +16d²
Step-by-step explanation:
area of rectangle is side²
(4c+4d)²
16c²+ 16cd+16cd+16d²
16c²+32cr+16d²
Penny is selling candles for $3 each at a fundraiser.
If she starts selling with $4 to help her make change, how many candles, x, will she
have to sell to end up with $19?
Answers
3x + 4 = 19
Subtract 4 from both sides
3x=15
Divided by 3 on both sides
X= 5
She needs to sell 5 candles to end up with $19
Answer: x=5
Step-by-step explanation: Based on the given conditions formulate:: 4+3[tex]x[/tex]x=19
Rearrange variables to the left side of the equation: 3x=19-4
Calculate the sum or difference: 3x=15
Divide both sides of the equation by the coefficient of the variable: x=[tex]15/3[/tex]
Cross out the common factor: x=5
Please help withstandard deviation with measurements
Answers
Answer: Standard Deviation, σ: 0.23979157616564
Count, N: 8
Sum, Σx: 33.6
Mean, μ: 4.2
Variance, σ2: 0.0575
Steps
σ2 =
Σ(xi - μ)2
N
=
(4.5 - 4.2)2 + ... + (4.1 - 4.2)2
8
=
0.46
8
= 0.0575
σ = √0.0575
= 0.23979157616564
Step-by-step explanation: but here
it isnt letting me do the fraction or the other things so yeah it will look wrong but its write for the entire graph
Diana bought a piece of cloth 48 inches wide and 1 yard long. It cost $12. She cut off one-fourth and used itto make a tablecloth. From the remaining material, she used a piece that was 12 inches wide and 12 incheslong to make a scarf and a piece 1.5 feet by 2 feet to make the cover for a pillow. Her sister saw Diana'ssewing efforts and said she really liked the material. She wanted to buy what was left to do some sewingof her own. Diana was willing to sell the leftover material for the rate that she had paid for it. How muchshould she charge her sister?
Answers
Answer
The amount that Diana's sister would buy the remaining 720 square inches piece of cloth = $5
Step-by-step Explanation
We are told that Diana bought a piece of cloth that was 48 inches wide and 1 yard long for $12.
Then, she had different parts of the cloth taken to do different stuff until the remaining piece of the cloth was to be bought by her sister at the same rate that she bought the original full piece of cloth.
Before we proceed, we need to establish and find the initial rate of the cloth, that is, how much is 1 unit of area.
Area of a rectangular figure (the cloth) = Length × Breadth
Length of the cloth = 1 yard = 36 inches
Breadth of the cloth = 48 inches
Area of the cloth = 36 × 48 = 1728 square inches.
1728 square inches of the cloth = $12
1 square inch of the cloth = (12/1728) = (1/144) dollars
So, now, we can now find how much of the cloth is removed.
- She cut off one-fourth of the cloth to make a tablecloth.
One-fourth of the 1728 square inches piec of cloth = (1/4) × 1728 = 432 square inches
- She used a piece that was 12 inches wide and 12 inches long to make a scarf.
Area of the piece she used to make a scarf = 12 × 12 = 144 square inches
- She used a piece that was 1.5 feet by 2 feet to make a cover for a pillow.
To find the area of this piece, we need to convert the dimensions into inches.
1 feet = 12 inches
So,
1.5 feet = 18 inches
2 feet = 24 inches
Area of this piece of cloth = 18 × 24 = 432 square inches
So, her sister now wants to buy the remaining piece of cloth from Diana.
Originally, the piece of cloth was 1728 square inches.
The total area removed from the original piece of cloth sum up to
432 + 144 + 432 = 1008 square inches.
The remaining piece of cloth will now have an area calculated by subtracting the area of pieces removed from the original area of the piece of cloth.
The area of the remaining piece of cloth = 1728 - 1008 = 720 square inches
Recall that the Diana's sister wants to but the remaining piece of cloth at the rate that Diana bought the original piece of cloth.
We have calculated this rate at which Diana bough the original piece of clothing to be (1/144) dollars for 1 square inch. So, we can then use this rate to calculate the amount Diana's sister will pay for the remaining piece of cloth
Area of the remaining piece of cloth = 720 square inch
1 square inch costs (1/144) dollars.
Let the cost of 720 square inches be x.
1 square inch = (1/144) dollars
720 square inches = x dollars
We can from a mathematical relationship simply by cross multiplying
1 × x = 720 × (1/144)
x = 5 dollars.
Hence, the amount that Diana's sister would buy the remaining 720 square inches piece of cloth = $5
Hope this Helps!!!
For the guess and check method, we would still need to first find the cost of 1 square inch of material which we obtained to be (1/144) dollars per square inch of cloth.
We would also still need to calculate the total area removed from the cloth, which we calculated to be 1008 square inches.
But now, we will now use the cost of 1 square inch, to calculate the cost of the pieces that have been removed from the cloth.
1008 × (1/144) = 7 dollars.
We can now guess how many dollars will top up the 7 dollars so that it gives the original 12 dollars that the cloth was bought.
After a series of guess, we will end up to get that it is (7 + 5) that is equal to 12 dollars.
So, guess and check would give us 5 dollars too as the answer.
what is the quotient of (6.47 x 10^-15) / (3.36 x 10^-29)
Answers
Determine the average rate of change of f(x) = 4x²+x+3 over the interval [-2, 2].
Answers
Answer: The average rate of change is 1.
Step-by-step explanation:
The average rate of change f(x) on the interval [a,b] is (f(b)−f(a))/(b−a)
a=−2 , b=2, f(x)=4X^2+x+3.
(f(b)-f(a))/(b-a)= (3+(2)+4(2)^2-(3+(-2)+4(-2)^2)) / (2-(-2)) = 1
Mrs. M purchased milk for $3.50 per gallon. Which represents the number of gallons of milk, g, Mrs M can purchase if she plans to spend $10.50 on milk.all of the > and < have a line beneath them a. g>0 and g<3b. g>0 and g<14c. g> 0 and g< 7d. g>0 and 8<2
Answers
Let x be the number of gallons Mrs M can purchase;
Given information:
Price per gallon: $3.50
Mrs M. Total budget: $10.50
[tex]\begin{gathered} 3.50x\text{ }≤\text{ }10.50 \\ \end{gathered}[/tex]Solving for the number of gallons Mrs M can purchase:
[tex]\begin{gathered} x\leq\frac{10.50}{3.50} \\ \\ x\text{ }\operatorname{\leq}\text{ }3 \end{gathered}[/tex]ANSWER
a. g>0 and g<3