Rotate this image 180° clockwise around the point (–2, 1):
The rotation of the image given 180° clockwise around the point (-2, 1) gives the image in the second option.
What is Rotation?Rotation is a kind of geometric transformation where a figure or point is rotated by a certain degrees about a given point.
The coordinates of the given image are :
(-1, 1), (-2, 1), (-1, 4) and (-2, 4).
Point of rotation is (-2, 1).
The points are not rotated around the origin.
To make it seem like around the origin, subtract the point of rotation from the points.
So the new points are :
(1, 0), (0, 0), (1, 3) and (0, 3)
Now rotate the image with the new coordinates around the origin 180° clockwise.
Rotation is -180°, which is equivalent to rotation of 180° counterclockwise.
Coordinates (x, y) when rotated 180° clockwise becomes (-x, -y).
New coordinates after rotation about origin are :
(-1, 0), (0, 0), (-1, -3) and (0, -3).
Now add the point of rotation (-2, 1) again.
Points are :
(-3, 1), (-2, 1), (-3, -2) and (-2, -2).
Image with these points is the second option.
Hence the required image is the second option.
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A Carpenter has a board that measures 6 feet x 4 feet. a small rectangle measuring 1 foot x 1 foot is cut out of the middle how much area is left?
Which choice shows (50 + 20) + 30 correctly rewritten using the associative
property and then correctly simplified?
Answer:
100Step-by-step explanation:
BIDMAS
do the bracket first
50+20=70
70+30=100
Owen has twice as many marbles as his friend Ric. If Owen has 21 marbles, how many marbles does Ric have?
Answer:
Ric has 42 marbles.
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightStep-by-step explanation:
Step 1: Define
Owen = x marbles
Ric = 2x marbles
x = 21 marbles
Step 2: Find
Substitute in x: 2(21 marbles)Multiply: 42 marblesIsaiah scores with 50% of his penalty kicks in soccer. He flips two fair coins to conduct a simulation with 20 trials to determine the likelihood that he will make his next two penalty kicks, as shown. Heads up (H) represents a goal. What is the probability that Isaiah will make both penalty
TH HH TT HT
TH HH HH TT
HT TH TT HH
HT HH HH TT
HT HH TH TT
P(two goals) kicks? Give the probability as a percent. Enter your answer in the box.
Answer:
35%
Step-by-step explanation:
He made 7 out of 20 goals
7/20=0.35=35%
The probability as a percentage is 20%.
What is probability?It is the chance of an event to occur from a total number of outcomes.
The formula for probability is given as:
Probability = Number of required events / Total number of outcomes.
Example:
The probability of getting a head in tossing a coin.
P(H) = 1/2
We have,
Out of the five Trials,
We can see that only one of them has Isaiah making both penalty kicks (TH HH HH TT).
Therefore, the probability that Isaiah makes both penalty kicks is 1/5 or 0.2.
Converting to a percentage,
0.2 x 100
= 20%
The probability is 20%.
Thus,
The probability as a percentage is 20%.
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The equation m=3b represents the times in minutes (m) it takes a chef to cook a certain number of bacon cheeseburgers (b) A: 3 B: 6 C:1/3 D: 1
For the given equation:
m = 3b
The constant of proportionality is 3, so the correct option is A.
How to determine the constant of proportionality?
After a small search on the internet, I've found that this question asks for the constant of proportionality.
Remember that a proportional relation is of the form:
y = k*x
Where k is the constant of proportionality, and x and y are the variables.
Here the relation is:
m = 3*b
Where m and b are the variables, then the remaining coefficient is the constant of proportionality, which is 3.
In this way, we can see that the correct option is A.
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Find the value of x.
32°
115°
HELPP PLEEAASSE
Answer:
if your question is to find third angle of triangle than the answer is
32°+115°+x=180°[by angle sum property]
147°+x=180°
x=180°-147°
x=33°
 how do you turn 4(m+3+ 5M) into 24M +12 plz help
Answer:
Add m + 5m inside the parentheses to get 6m.
then distribute (multiply) the 4 times (6M + 3)
4 × 6M is 24M and 4 × 3 =12
Step-by-step explanation:
Practicing PEMDAS
I hope this helps.
what is the property of 3x(5x7)=(3x5)7
The property you are referring to is called the associative property of multiplication. According to this property, when multiplying three numbers, the grouping of the numbers does not affect the result. In other words, you can change the grouping of the factors without changing the product.
In the equation you provided: 3x(5x7) = (3x5)7
The associative property allows us to group the factors in different ways without changing the result. So, whether we multiply 5 and 7 first, or multiply 3 and 5 first, the final product will be the same.
Julie printed out a picture of each of the six members of her favorite band to decorate her bedroom door. Each picture measures 5 inches by 7 inches. Once decorated, how many square inches of Julie's door will be covered by these pictures?
On Julie's door, the images will span 210 square inches.
As Julie printed six images, the total space that the images cover is:
6 x 35 square inches = 210 square inches
What is an inch?Inches are measured as 1/36 of a yard in both British Imperial and American Customary measurement systems. According to some sources, the term "inch" comes from the Old English "ince" or "ynce," which in turn is said to have originated from the Roman "uncia" unit.
The name of another English unit, the ounce, is derived from the Roman word uncia. According to legend, King David I of Scotland defined the old English word "ynce" as the width of a man's thumb at the base of the nail in the year or thereabouts 1150 AD.
From the question:
Six images total, each measuring 5 by 7 inches, were printed by Julie. We must first calculate the area of each image in order to add up the overall area that these photographs cover.
One image's area is as follows:
5 inches x 7 inches = 35 square inches
As Julie printed six images, the total space that the images cover is:
6 x 35 square inches = 210 square inches
Consequently, 210 square inches of Julie's door will be covered by the images.
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Problems 9 and 10 concem the following situation.
Vera's gross weekly pay is $976.42. From each
(weekly) paycheck $135.32 is deducted for federal
tax, $50.27 for state tax, 6.5% for Social Security,
and 1.5% for Medicare. Also, her weekly living
expenses are $465.27.
9) What is Vera's weekly disposable income?
A) $281.09
B) $270.18
C) $269.27
D) $258.36
E) $247.45
-12 divided by 3 5/9
your answer is 3.375
algebra domain and range please help
Answer:
Option 2.
Step-by-step explanation:
Find the domain by finding where the function is defined. The range is the set of values that correspond with the domain.
Domain: \((- \infty} ,0)\) ∪ \((0, \infty} )\)
Range: \((- \infty} ,0)\)∪\((0, \infty} )\)
Three people spend money on a vacation. The expression −1,0263 represents the amount of money each person spends on the vacation. Which expression is equivalent to −1,0263 ?
Answer:-(-1,026/3
Step-by-step explanation:
Find equation of the line shown
The equation of the line is y = x + 6
How to detemrine the equatiin of the lineFrom the question, we have the following parameters that can be used in our computation:
The graph
On the graph, we have the following highlights
The graph intersect the y-axis at y = 6
This means that the intercept c is 6
Also, as x changes by 1, the y values changes by 1
This mean sthat the slope is 1
So, we have
y = mx + c
This gives
y = x + 6
Hence, the equation is y = x + 6
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The linear equation on the graph can be written as:
y = (3/2)*x + 6
How to find the equation in the graph?A general linear equation can be written as:
y = a*x + b
Where a is the slope and b is the y-intercept.
If the line passes through two points (x₁, y₁), then the slope will be:
a = (y₂ - y₁)/(x₂ - x₁)
In this case we can see the points (0, 6) (so the y-intercept is b = 6) and (4, 10)
Then the slope will be:
a = (10 - 6)/(4 - 0) = 6/4 = 3/2
Then the linaer equation is:
y = (3/2)*x + 6
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The ages of members of a stamp collecting group are normally distributed with a mean of 55 years and a standard deviation of 4 years.
There are 104 members in the group.
About how many members are expected to be between 51 years old and 59 years old?
About 71 members of the group are expected to be between 51 years old and 59 years old.
What does the Empirical Rule state?The Empirical Rule states that, for a normally distributed random variable, the symmetric distribution of scores is presented as follows:
The percentage of scores within one standard deviation of the mean of the distribution is of approximately 68%.The percentage of scores within two standard deviations of the mean of the distribution is of approximately 95%.The percentage of scores within three standard deviations of the mean off the distribution is of approximately 99.7%.Considering the mean of 55 years and the standard deviation of 4 years, ages between 51 and 59 years are within one standard deviation of the mean, hence the percentage is of:
68%.
Out of 104 people, the number of people with ages in the range is given as follows:
0.68 x 104 = 71 people. (rounded to the nearest integer).
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(07.04 MC)
Jim is designing a seesaw for a children's park. The seesaw should make an angle of 30' with the ground, and the maximum height
to which it should rise is 2 meters, as shown below:
1
2 meters
30
What is the maximum length of the seesaw? (6 points)
Select one:
a. 3.00 meters
b. 3.5 meter
C. 4,00 meters
d 4.5 meters
The maximum length of the seesaw is option c 4.00 meters.
What is a right-angled triangle?A right-angled triangle is one in which one of the angles is equal to 90 degrees. A 90 degree angle is called a right angle, which is why a triangle made up of right angle is termed a right angled triangle.
What are hypotenuse, height of a right-angled triangle?A right-angled triangle has three sides- hypotenuse, base and height. Hypotenuse is the longest and also the opposite side of the right angle of the triangle, base and height of a right triangle are always the sides adjacent to the right angle.
How to measure the hypotenuse of a right-angled triangle?The formula for measuring the hypotenuse is,
Height / Hypotenuse = Sinθ , where θ is the angle opposite to the height of the triangle.
In the given question, the seesaw should make an angle of 30° with the ground and the maximum height it should rise is 2 meters so the height here is 2 meters. So the seesaw will make a right angled triangle.
Height = 2 meters, θ = 30°,
Now using the formula,
2 / Hypotenuse = Sin30°
Rearranging we get,
Hypotenuse = 2 / Sin30°
The value of Sin30° is 1/2 and putting the value we get,
Hypotenuse = 2 / (1/2)
= 2 × 2
= 4 meters.
Therefore, the maximum length of the seesaw (that is the hypotenuse ) is 4 meters.
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If the rand dollar exchange rate is 10,50 to a dollar, what is the rand value of a T shirt costing 50 dollars
If thrice of the sum of a number and 2 is less than or equal to the twice of the difference of 3 and the number, then solve inequality .
I'm glad I could help you with the assignment
Chocolate bar is 53% cocoa. Weight
The number of grams of cocoa is 50.9 grams
What is weight?This is the mass of an object
How to find the number of grams of cocoa contained in the chocolate bar?Since we have that a chocolate bar contains 53% cocoa and the weight of the chocolate bar is 96 grams.
Let
x = number of grams of cocoa, W = weight of chocolate bar and p = percentage of cocoa in chocolate barSo, we have that
x = pW
Given that
p = 53 % = 0.53 and w = 96 gramsSubstituting the values of the variables into the equation, we have that
x = pW
x = 0.53 × 96 grams
x = 50.88
x ≅ 50.9 grams
So, the number of grams of cocoa is 50.9 grams
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p^q is logically equivalent to
The logically equivalent statement to p → q is:
~q → ~p
How to find the logically equivalent statement?The conditional statement:
p → q
Assuming p and q are propositions, the conditional statement may be expressed as:
"If p holds true, then q follows suit. "
'
Whenever p is true, q is true as well. This implies that if q is false, then p must also be false.
We can rephrase this statement cleverly using the negative propositions, which include the opposite or contradictory statements.
~p and ~q
These mean:
Not p and Not q respectively.
Then the statement:
"If q is not true, then p is not true"
Is written as:
~q → ~p
So this is the logically equivalent statement.
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The Complete Question
Given a conditional statement p → q, which statement is logically equivalent?
~p → ~q
~q → ~p
q → p
p → ~q
n a study of academic procrastination, it was determined that for a random sample of 18 undergrad students at a mid-size public university, the mean time spent studying for the final exam in an intro statistics course was 7.74 hours with a standard deviation of 3.40 hours. Suppose we wish to compute a 95% confidence interval for the mean time spent studying for the intro statistics final exam by all students. The margin of error for this confidence interval would then be calculated using the critical value (c) determined in the previous question as: (Don't worry if your sample size changed- use the one given here).
Answer:
The 95% confidence interval for the mean time spent studying for the intro statistics final exam by all students is between 6.05 hours and 9.84 hours.
Step-by-step explanation:
We have the standard deviation for the sample, which meas that the t-distribution is used to solve this question
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 18 - 1 = 17
95% confidence interval
Now, we have to find a value of T, which is found looking at the t table, with 17 degrees of freedom(y-axis) and a confidence level of \(1 - \frac{1 - 0.95}{2} = 0.975\). So we have T = 2.11
The margin of error is:
\(M = T\frac{s}{\sqrt{n}} = 2.11\frac{3.4}{\sqrt{18}} = 1.69\)
In which s is the standard deviation of the sample and n is the size of the sample.
The lower end of the interval is the sample mean subtracted by M. So it is 7.74 - 1.69 = 6.05 hours
The upper end of the interval is the sample mean added to M. So it is 7.74 + 1.69 = 9.84 hours.
The 95% confidence interval for the mean time spent studying for the intro statistics final exam by all students is between 6.05 hours and 9.84 hours.
Two cars are traveling towards a hotel on the same road. From the edge of the hotel, 600 feet high, Spiderman sits on the rooftop thinking about the depression angle needed to reach each car. If the depression angle to the nearest car is 52 degrees, and the depression angle to the farther car is 46 degrees, how far apart must the two cars be from each other?
Make a sketch, solve the problem, and round your answer to the nearest hundredth of a foot.
The two cars must be approximately 177.34 feet apart from each other for Spiderman to have different depression angles to each car.
To find the distance between the two cars, we can use trigonometry and the concept of similar triangles. Let's denote the distance between Spiderman and the nearest car as d1 and the distance between Spiderman and the farther car as d2.
In a right triangle formed by Spiderman, the height of the hotel, and the line of sight to the nearest car, the tangent of the depression angle (52 degrees) can be used:
tan(52) = 600 / d1
Rearranging the equation to solve for d1:
d1 = 600 / tan(52)
Similarly, in the right triangle formed by Spiderman, the height of the hotel, and the line of sight to the farther car, the tangent of the depression angle (46 degrees) can be used:
tan(46) = 600 / d2
Rearranging the equation to solve for d2:
d2 = 600 / tan(46)
Using a calculator, we can compute:
d1 ≈ 504.61 feet
d2 ≈ 681.95 feet
The distance between the two cars is the difference between d2 and d1:
Distance = d2 - d1
Plugging in the values, we have:
Distance ≈ 681.95 - 504.61
Distance ≈ 177.34 feet
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Michael wants to plant a circular flower garden in his backyard. If the radius of his garden is 12.5 feet, what is the circumference of the
garden in terms of pi?
Answer: 78.54
Step-by-step explanation: :D
What is 9/7-6/10 equals
Answer:
48/70 or24/35
Step-by-step explanation:
9/7-6/10 u find the LCD or lowest common denominator. 90/70-42/70=48/70=24/35
Answer:
24/35
Step-by-step explanation:
9/7 - 6/10
Simplify 6/10 by dividing the top and bottom by 2
9/7 - 3/5
The common denominator is 7*5 = 35
9/7 * 5/5 - 3/5 *7/7
45/35 - 21/35
24/35
It takes 10 pounds of potatoes to make 15 pounds of mashed potatoes at this rate: How many pounds of potatoes are needed to make 50 pounds of mashed potatoes?
Answer:
75
Step-by-step explanation:
its 15 times 5 (i think this is wrong it seems too easy)
Answer:
make a ratio which is 50 over 15 equals 10 over x. then you have 50x over 50 because you have to cross multiply equals 150 over 50 then you get the answer three
Step-by-step explanation:
you had to make a ration and cross multiply
Find slope of a parallel line -16+5x=4y
4 times itself and plus 1 equals this number. What is the number?
Answer: -1/3
Step-by-step explanation:
\(\displaystyle 4x+1=x \\\\ 3x+1=0 \\\\x=-\dfrac{1}{3}\)
\(▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)
let the number be m
now,
\(4m + 1 = m\)\(4m - m = - 1\)\(3m = - 1\)\(m = \dfrac{ - 1}{3} \)The sides of a parallelogram are 4 meters and 6 meters. One angle is 58° while another is 122°. Find the length of the shorter diagonal.
Step 1:
Draw the parallelogram
Step 2
Let the length of the shorter diagonal be L
Apply the cosine rule to find the length of the shorter diagonal L.
\(\begin{gathered} L^2=a^2+b^2\text{ - 2abcos58} \\ \text{a = 4 and b = 6} \end{gathered}\)Step 3:
Substitute in the formula
\(\begin{gathered} L^2=4^2+6^2-2\times4\times6\cos 58 \\ L^2\text{ = 16 + 36 - 48 }\times0.5299 \\ L^2=\text{ 52 - 25.4352} \\ L^2\text{ = 26.5648} \\ L\text{ = }\sqrt[]{26.5648} \\ L\text{ = 5.15} \\ L\text{ = 5.2 meters Option D} \end{gathered}\)Final answer
5.2 meters Option D
Find the measure of < 6.
Answer:
Angle 6 = 70
Step-by-step explanation: Using vertical angles if you look across from angle 6 you would see the angle of 70 degrees which means they are equal because they're across from each other.