Selena is right. This relation represents a function.
The set of points given is {(2,-4),(3,-4),(4,-4),(5,-4),(6,-4)}.
We can consider 2, 3, 4, 5, 6 as x-values and -4 as the y-value.
Here, the values 2, 3, 4, 5, 6 are related to -4.
This relation represents a function.
Because no two same x-values are related to different y-values. In other words, different x-values can be mapped to same y-value. But two same x-values should not be related to different y-values for the map to be a function.
So here all the x-values are related to the y-value -4. So this is a many-to-one function.
Function is a relation which maps a particular set of points(Domain) to another set of values(Codomain) through which one domain value has exactly one image in the co-domain.
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*the puzzle* n 48 abcd w 117 efgh a) professor x traveled 1500 miles to see jean grey. he read one book every 450 miles he traveled. how many books had he finished by the time he arrived? b) storm had $74 and withdrew some more money from her bank account. she bought a pair of slacks at $34, two shirts at $16 each and a pair of shoes at $24. after shopping, storm had $15 left. how much money did she withdraw from the bank? c) there are 12 pacific northwest geocachers in wolverine's living room. six of them are wearing socks, four of them are wearing shoes, while four people are wearing both socks and shoes. how many geocachers have nothing on their feet for their upcoming geo-excursion together? d) cyclops will buy a new pair of shoes in 1200 seconds. how many minutes must he wait before he can buy them? (second digit in the answer!) e) quicksilver collected 700 nickels in a jar. he went to the bank to cash them in. how much money did the bank give him? f) for breakfast, mystique bought a bagel for $1.55 and a glass of orange juice for $2.25. at lunch, mystique spent $6.25 on a sandwich and $0.55 on a carton of milk. how much more money did she spend on lunch than on breakfast? g) mirage had three pizzas. each pizza had eight slices. if mirage at 75% of the pizza slices, how many were left? h) iceman has a highlighter obsession. in his desk drawer, there are 19 yellow highlighters. there are 15 more blue highlighters than yellow, and there are 37 green highlighters total. how many more green highlighters than blue does he have?
He finished the number of books by the time he arrived = 3.3 books, b) she withdrew $15 from her bank account. c) 6 people have nothing on their feet.d) He must wait before he can buy the pair of shoes = 20 minutes. e) After dividing the bank gives him 700 nickels = $35. f) She spent more money on lunch than breakfast = $3. g) After eating the mirage slices left = 6 slices. h) He has more green highlighter than blue = 3
a) professor finished 3 books by the time he arrived.
Professor x traveled to see jean grey = 1500 miles
He read one book he traveled = 450 miles
So,
He finished books by the time he arrived by dividing both the numbers = 1500/450
He finished total books by the time he arrived = 3.3 books
b) Storm had money = $74
She bought a pair of slacks = $34
She bought two shirts = $16
She bought a pair of shoes = $24
After shopping she left with = $15
Storm expenses on the items = $34 + $16 + $24
= $74
So, after shopping she left with $15 so it is clear that she withdrew $15 from her bank account.
c) Pacific northwest geocachers in wolverine’s living room = 12
Wearing shoes = 4
Wearing socks = 6
Wearing both socks and shoes = 4
As we know 4people wearing both socks and shoes
So, 2 people are wearing only sock
And no people wearing only shoes = 4-4=0
So, in total 4+2+0= 6
Now, 12 people are there
So, 12-6=6
So, 6 people have nothing on their feet.
d) Cyclops waited 20 minutes
Cyclops will buy a new pair of shoes = 1200 seconds
Here, 60 minutes = 3600 seconds
Now, divide 1200 seconds by a minute (1 minute = 60 sec)
He must wait before he can buy the pair of shoes = 1200/60
He must wait before he can buy the pair of shoes = 20 minutes
e) Quicksilver collected nickels in a jar = 700
First, we have to calculate how many cents are there in 700 nickels by multiplying 700 * 5, and then dividing that result by 100 cents
=700 nickels x 5 cents
= 3,500 cents ( 100 cents = $1)
= 3,500 cents / 100 cents
The bank gives him 700 nickels = $35
f) For breakfast, Mystique bought a bagel = $1.55
A glass of orange juice = $2.25
At lunch,
On sandwich, she spent = $6.25
On a carton of milk, she spent = $0.55
Total spent on breakfast = $1.55+$2.25
= $3.80
Total spent on lunch = $6.25+$0.55
= $6.80
She spent more money on lunch than breakfast = $6.80-$3.80
She spent more money on lunch than breakfast = $3
g) Mirage had 3 pizzas
Each pizza had = 8 slices
So, After multiplying total number of slice we have of the pizza = 3*8
= 24 slices
He ate 75% of the pizza slices = 75/100 * 24
= ¾ * 24
After multiplying, he ate pizza slice = 3 * 6
= 18 slices
So, after eating by the mirage slices left = 24-18
= 6 slices
h) He has 3 more green highlighters than blue highlighters.
In the iceman desk drawer, the number of yellow highlighters are = 19
As given, there are 15 more blue highlighters than yellow in his desk drawer
Then,
the number of blue highlighters = 19+15
= 34
There are total numbers of green highlighters = 37
He has more green highlighters than blue highlighters = 37-34
= 3
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two sides of a triangle have the same length. the third side measures 6 m less than twice the common length. the perimeter of the triangle is 10 m. what are the lengths of the three sides?
As for the answer, the length of the three sides was x=4.
Let [tex]x[/tex] be the length of the two sides that are the same.
Then the third side would be 2x-3
The perimeter of the triangle will come from adding all of the sides together and setting it equal to the value given, 13.
That is,
x + x + (2x-3)=13
4x-3=13
4x=13+3
4x=16
x=4
The length of each of the common sides is 4, making the third side 5, to get a total perimeter of 13.
What are two sides of a triangle?The hypotenuse of a right-angled triangle is its longest side, the base is its lower side, and the perpendicular, which stands next to the right angle, is its standing line.
You may determine the sides of a right-angled triangle using a number of techniques, such as the Pythagoras theorem or the triangle's perimeter.
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find the LCM of 34,40,168
Answer:
14,280...............enjoy
Scarlett left her house at time zero and drove to the store, which is 3 blocks away, at a speed of 1 block per minute. Then she stopped and went into the store for 4 minutes. From there, she drove in the same direction at a speed of 5 blocks per minute until she got to the bank, which is 15 blocks away from the store. She stopped at the bank for 3 minutes. Then she drove home at a speed of 3 blocks every minute. Make a graph of showing the number of blocks away from home that Scarlett is xx minutes after she leaves her house, until she gets back home.
Click twice to plot a segment.
Click a segment to delete it.
0
Time Elapsed (Minutes)
Distance (Blocks from Home)
x
y
The required block diagram that shows how much distance Scarlett is away from the home is shown in the image attached.
As given in the question Scarlett left her house at time zero and drove to the store, which is 3 blocks away, at a speed of 1 block per minute.
Then she stopped and went into the store for 4 minutes.
she drove in the identical at a rate of 5 blocks per minute until she got to the bank, which is 15 blocks away from the store.
Here,
1 Approach, Scarlett moves with the speed of a block per minute
Total distance travel = 3 block
Approach 2 Scarlett moves with the speed of 5 blocks per minute for 3 minutes
Total distance travel = 15 block
Approach 3 Scarlett moves with the speed of 3 blocks per minute for 1 minute
Total block traveled = 3 + 15 = 18
Now, Approach 3 is to retrace the path at the rate of 3 blocks per minute,
All these calculations is been shown in the block diagram.
Thus, the required block diagram that shows how much distance Scarlett is away from the home is shown in the image attached.
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can you guys solve it please i will give bonus if so
The dimension of the triangle whose perimeter is 18 feet will be 4 feet, 6 feet, and 10 feet.
What is the triangle?The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.
The perimeter of the triangle is determined by adding together all of its sides.
Let 'x' be the first side of the triangle. Then the second and third sides of the triangle will be (x + 2) and (2 + x + 2). Then the equation is given as,
x + (x + 2) + (x + 2 + 2) = 18
3x + 6 = 18
3x = 12
x = 4
Then the dimension of the triangle will be given as,
x = 4
x + 2 = 4 + 2 = 6
x + 2 + 2 = 4 + 6 = 10
The dimension of the triangle whose perimeter is 18 feet will be 4 feet, 6 feet, and 10 feet.
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what is the value of (x+y)^2 when x=2 and y= -4?
Answer: 20
Step-by-step explanation:
Everything within the parenthesis gets an exponent of two, so you should have (x^2+y^2).
After this, you plug in the 'x' and 'y' given, so the next part should look like (2^2+(-4)^2)
After step 2, do 2*2 and -4*-4 (exponents ask you to multiply numbers by a specific amount. In this case, both numbers are multiplied by themselves 2 times).
A negative times a negative is a positive, so -4^2 or -4*-4 is 16. 2^2 or 2*2 is simply 4.
Add 4 and 16 together to get your final answer of 20.
Hope this helps!
Malcolm answered 12 questions correctly on his social studies assignment and scored 75%. how many questions were on the assignment
If Malcolm answered 12 questions correctly on his social studies assignment and scored 75%, then the total number of questions on the assignment were 16.
The number of questions on the assignment can be determined by converting the given percentage.
A percentage is a numeral expressed as a fraction of 100
75% = 75 / 100 = 0.75
The equation can be formed as,
75 % of x = 12
Here x is equal to the total number of questions on the assignment
As 75% = 75 / 100 = 0.75
0.75 x = 12
x = 12 ÷ 0.75
x = 16
As x represented the total number of questions, hence the total number of questions on the assignment were calculated to be 16.
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What’s the answer to question B???????
Answer:
71.
Step-by-step explanation:
The "machine" is subtracting 6 from whatever number she puts in. Ergo, 77 - 6 = 71.
HELP.................................! !
Answer:
0.063
Step-by-step explanation:
Answer:
Your answer would be 0.063.
Step-by-step explanation:
0.504 divided by 8 = 0.063
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82 78 80 72 85 80 calculate the mean and standard deviation of service speed using the formula for each. Show work.
The mean is 79.5.
The standard deviation is 3.99
What is the mean and standard deviation?Mean is the average of a set of numbers. It is determined by adding the numbers together and dividing it by the total number
Mean = sum of the numbers / total number
(82 + 78 + 80 + 72 + 85 + 80) / 6 = 477 / 6 = 79.5
Standard deviation is used to determine how the values in a group differs from the mean of the values in the group.
In order to determine the standard deviation, take the following steps:
Determine the mean of the observation:79.50
Determine the difference between each value and the mean and then square the result: (82 - 79.5)² + (78 - 79.5)² + (80- 79.5)² + (72- 79.5) ²+ (85- 79.5)² + (80- 79.5)² = 6.25 + 2.25 + 0.25 + 56.25 + 30.25 + 0.25 = 95.5
Determine the mean of the sum of the squared differences and then find the square root of the mean:
√95.5 / 6 = 3.99
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7x - 2y = 1
3x + 4y = 15
Substitution method Linear Equations
The value of 'x' and 'y' is '1' and '3' , respectively.
Substitution method :The substitution method is the algebraic method to solve simultaneous linear equations.
The first step in the substitution method is to find the value of any one of the variables from one equation in terms of the other variable.
Lets solve the given linear equations:
7x − 2y = 1 ... eq. (1)
3x + 4y = 15 ... eq. (2)
By equation 1 we got,
x = (1 + 2y)/7
Now, we will put x = (1 + 2y)/7 in equation 2,
3x + 4y = 15
3 [(1 + 2y)/7] + 4y = 15
3/7 × (1 + 2y) = 15 - 4y
3(1 + 2y) = 7(15 - 4y)
3 + 6y = 105 - 28y
6y + 28y = 105 - 3
34y = 102
y = 102/34
y = 3
Now, put the value y =3 in equation 1,
7x - 2y = 1
7x - (2×3) = 1
7x - 6 = 1
7x = 1 + 6 = 7
7x = 7/7
x = 1
Hence, the value of x is 1 and y is 3.
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Arianna and her friends are preparing for an epic snowball fight. They make 80
snowballs before Arianna's dad calls them in for lunch. After lunch, they make more
snowballs. In all, Arianna and her friends make 161 snowballs.
Which equation can you use to find the number of snowballs s Arianna and her
friends make after lunch?
Answer: 161-80=81
(or 161-x=y?)
Step-by-step explanation:
subtract the the amount of snowballs made before Adrianna's dad called them in for lunch from the total number of snowballs (161-80)
161-80=81
a high school graduating class is made up of 410 students. there are 66 more girls than boys. how many boys are in the class?
Total number of boys in class are 172
A linear equation is an algebraic equation of the form y=mx+b involving only a constant and a first-order (linear) term, where m is the slope and b is the y-intercept. Occasionally, the above is called a "linear equation of two variables," where y and x are the variables.
The slope or gradient of a line is a number that describes both the direction and the steepness of the line.
We have total number of students in class = 410
We assume that the number of boys in class = X
Number of girls in class is 66 more then boys we assume total number of girls = X+66
If we add number of girls and boys then we found total strength of classX+X+66=4102X+66=4102x=344X=172
Number of boys = 172
Number of girls =238
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The graph of f(x) is increasing on
(-∞, 0) and decreasing on (0, +∞).
Which statement must be true?
A f(x) has a maximum at x = 0.
B f(x) has a minimum at x = 0.
The domain of f(x) is (0, +∞).
D The range of f(x) is (0, +∞).
Answer: c
Step-by-step explanation:
i need help with this please
Answer:
x = 67.5
Step-by-step explanation:
90 + x + 3x = 360
90 + 4x = 360
4x = 360 - 90
4x = 270
x = 270 / 4
x = 67.5
Hope it helps!!!
Find the equation of the line that passes through the points (1,2) and 3, 10).
Answer:
y=4x-2
Step-by-step explanation:
m=[tex]\frac{8}{2}[/tex]=4
2=4(1)+b 2=4+b -2=b
evaluate 7x2x7x5 using property of numbers name the property in each step
7x2x7x5:
7x7x2x5
(7x7)x(2x5)
49x10= 410
By the commutative property, the value of the expression 7 x 2 x 7 x 5 is 490
What are expressions?Expressions are mathematical statements that are represented by variables, coefficients and operators
How to evaluate the expression using mathematical properties?The expression is given as
7 x 2 x 7 x 5
The above expressions are grouped by the product sign
This means that the factors of the expressions can be rearranged by the commutative property
So, we have
7 x 7 x 2 x 5
Group the factors
So, we have
(7 x 7) x (2 x 5)
Evaluate the products
So, we have
49 x 10
Evaluate the products
So, we have
490
Hence, the value of the expression 7 x 2 x 7 x 5 is 490
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In right triangle $ABC,$ $\angle C = 90^\circ.$ Median $\overline{AM}$ has a length of $19,$ and median $\overline{BN}$ has a length of $18.$ What is the length of the hypotenuse of the triangle?
The length of the hypotenuse of the triangle is; AB = 2√106 ≈ 20.591
How to use the Pythagorean theorem?The Pythagorean theorem says the square of the hypotenuse is equal to the sum of the squares of the legs. Thus;
For median AM, we have;
AM² = CM² +AC² = (BC/2)² +AC²
For median BN, we have;
BN² = CN² +BC² = (AC/2)² +BC²
The sum of these two equations gives us;
AM² +BN² = BC²/4 +AC² +AC²/4 +BC² = (5/4)(AC² +BC²)
AM² +BN² = (5/4)(AB²)
Thus, we conclude that the length of the hypotenuse of triangle ABC is;
AB = √(4/5(AM² +BN²))
AB = 2√((19² +13²)/5)
AB = 2√106 ≈ 20.591
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find an equation for a line:
a. with slope 6 passing through (-1, 4)
b. that passes through (-5, 0) and (5, 6)
Answer:
y=6x-1
y=3/5x+5
Step-by-step explanation:
6-0= 6= 3/5
5+5 =10
6.) The quotient of Jorge's age and 3 minus 2 is 30. How old is Jorge?
Answer:
96 years
Step-by-step explanation:
let Jorge's age be x
then the quotient of his age and 3 is x divided by 3 , so
[tex]\frac{x}{3}[/tex] - 2 = 30 ( add 2 to both sides )
[tex]\frac{x}{3}[/tex] = 32 ( multiply both sides by 3 to clear the fraction )
x = 3 × 32 =96
Jorge is 96 years old
Solve the following integers
Step-by-step explanation:
here is the answer of each question respectively
A television cost $1,275. It is marked down 35%. What is the new cost of the television? Please answer this!!!
Answer:
$446.25
Step-by-step explanation:
1275 x 35% = 446.25
So, the television would be $446.25
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Have a great day and God bless! :)
10^-2 in expanded form
10⁻² in expanded form is [tex]\frac{1}{100}[/tex] in fractional form or 0.01 is decimal form.
The accepted method for representing both integer and non-integer numbers is the decimal numeral system. It is the expansion of the Hindu-Arabic numeral system to non-integer values. Decimal notation is the term used to describe the method of representing numbers in the decimal system.Numbers that are either too large or too little to be conveniently stated in decimal form can be expressed using scientific notation. It is also known as standard form in the UK and scientific form, standard index form, and standard form.The number 10⁻² is written in scientific notation.
Mathematically 10⁻²= [tex]\frac{1}{10^2}[/tex]=1/100 =0.01
Hence the expanded form of 10⁻² is 0.01 .
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the volume of the atlantic ocean is about 3.1 \cdot 10^{17}3.1⋅10 17 3, point, 1, dot, 10, start superscript, 17, end superscript cubic meters. the mississippi river has an annual flow of 6.3 \cdot 10^{11}6.3⋅10 11 6, point, 3, dot, 10, start superscript, 11, end superscript cubic meters. how many times would the annual flow of the mississippi river fit in the atlantic ocean?
4.92*10^5 times the annual flow of the Mississippi River fit in the Atlantic Ocean
Given that,
Volume of the Atlantic Ocean = 3.1*10^17cubicmetres
Annual flow of the Mississippi River = 6.3*10^11cubicmeters
Now, we have to find how many times the annual flow of the Mississippi River fit in the Atlantic Ocean
So,
= Volume of the Atlantic Ocean / Annual flow of the Mississippi River
= 3.1*10^17 / 6.3*10^11
= 0.4921*10^6 (Approximately)
=4.92*10^5
Therefore,
It takes 4.92*10^5 times for the Mississippi River to fit into the Atlantic Ocean.
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3-2y=9 so (3-2y)2
Please tell me what it equals
Answer:
81
Step-by-step explanation:
A cab company charges a $6.00 fee to pick up a fare plus $0.20 per mile. If you pay the cab driver $9.40, how many miles did you go?
Answer is 6.00+0.20-9.40
3.2
or
6.00-0.20-9.40
3.2
Answer:3.2
Step-by-step explanation:
HELP? PLEASE?
solve for v. V + 1/9 = 7
ik its easy but im exhausted n my brain wont work
Answer:
If I know how to do math rn, your answer would be v= [tex]\frac{69} {9}[/tex]
-----------------------------------
Hope this helps!
Have a great day and God bless! :)
Answer:
Exact Form:
V = 62/9
Decimal Form:
V = 6.88888 (never-ending 8's)
Mixed Number Form:
V = 6 8/9
Hope this helps <33
5. The distance between two lighthouses is 137 miles. There are approximately 8 kilometers
in 5 miles. Which measurement is closest to the number of kilometers between these
two lighthouses?
Measurement is closest to the number of kilometers between these
two lighthouses is 219.2 kilometers.
Assume the distance between two lighthouses is x kilometers in 137 miles.
It knows there are approximately 8 kilometer in 5 miles.
Since the number of kilometers per mile is same
So x:137=8:5
x/137=8/5
5x=1096
5x/5=1096/5
x=219.2
1 kilometer is equal to 0.621371 miles (often shortened to . 62). 1 mile is equal to 1.609344 kilometers. Thus, to convert kilometers to miles, simply multiply the number of kilometers by 0.62137.
The number of kilometers between these two lighthouses is 219.2.
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6.
(11x-47)
(6x-2)
m
1
Solve for missing variable l and m are parallel
The solved polynomial is 66x² -304x+94.
We are given a problem related to the polynomial function, where Polynomial functions are expressions that will contain factors of changing degrees, coefficients, positive types, and constants.
Since the given equation (11x-47)(6x-2), both the term are in the form of multiplication, so here we use the distribute rule,
we multiply the 6x-2 individually with the 11x and 47
11x(6x-2) -47(6x-2 )= 66x² -22x -282x + 94
Now, we have two common variables of coefficients -22 and -282, after adding both of them, the final outcome we get is
= 66x²-304x +94
The solved function for the given equations is 66x2 -304x+94,
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I need help and I’m not sure how to solve this. we’re supposed to copy the answers from our workbooks but I haven’t got mine :(
Step-by-step explanation:
here you go i don't know if this will be helpful or not