Answers
Answer:
No
Step-by-step explanation:
A relation is a function if every x-value has exactly one y-value.
Because the x-value 1 has two y-values (-3 and 3), the relation is not a function.
Plotting (1, -3) and (1, 3) will produce a vertical line that intersects the function at two points.
Therefore, the relation is not a function.
Hope that helps.
Related Questions
3. Tmobile charges 100 dollars for the initial phone line and then 20 dollars for every phone line afterwards.
Another phone company, ToPar, does not have any initial cost but charges 30 for each phone line.
A) Write an equation for the total cost for each company.
Equation for Tmobile:
Equation for ToPar:
B) After how many phone lines will the cost be the same.
C) When would Tmobile be a better choice
D) When would ToPar be a better choice?
Answers
y=20x+100
Topar equation
y=30x
B) you’d set the two equation equal to each other
20x+100=30x
giving you the answer x=10
C) when x>13
D) when x<14
i’m a bit iffy on the last two but that’s the conclusion i came to
Out of 1,400 students, 60% have a dog. How many students have a dog in part ?
Answers
Answer:
840 students
Step-by-step explanation:
0.6 * 1400 = 840 students
Answer:
840
Step-by-step explanation:
60% of 1400 is 840
what is the simplified form of √45
A) √5
B) √9•5
C) 3√5
D)5√3
Answers
Which rule describes the x-coordinates in the translation below?.
A.x + 0
B.x + 6
C.x - 6
D.x + 2
Answers
Lines l and m are parallel and a and b are parallel. Find the measure of angle 10 if measure of angle 1 is 62.
please help
Answers
Basically ur answer is angle 10=118
3x + x - 7 = 10
What does x=
Answers
First you add 3x+x because they are like terms.
3x+x-7=10
Your New Simplified Equation:
4x-7=10
Now, you have to take out the -7 by adding a positive 7. Also you have to add +7 on the other side so add 7 to 10.
Your New Simplified Equation:
4x=17 Now, you divide both sides by 4.
Your New Simplified Equation:
x= 17/4 So, that's your answer :)
which expression has the same value as negative -Y-4?
Answers
Answer:
?
(is there suppose to be more numbers?)
Step-by-step explanation:
Work out − 5 × ( − 8 )
Answers
explanation: cross out the negatives then multiple 5x x8 which will be 40x
A spinner is split in to six equal sections with the sections colored as labeled in the drawing
Emily rolls a number cube labeled 1-6 and spins the spinner
What is the probability of Emily rolling a 5 and spinning a yellow?
Answers
Answer: 1/18
Step-by-step explanation:
Answer:
the answer is 1/36
Step-by-step explanation:
because 1/6 times 1/6 is equal to 1/36
Haley has $84, which is 7 times as much money as Kevin has. How much money does Kevin have? Select the correct solution method, using x to represent Kevin's money.
Answers
84/7=x
12=x
Kevin has 12$
The side length of the base of a square pyramid is 30 centimeters. The height of the pyramid is 45 centimeters.
What is the volume of the pyramid in cubic centimeters?
Answers
Answer:
volume = 13500 [tex]cm^{3}[/tex]
Step-by-step explanation:
For a given pyramid, its volume can be determined by:
volume of pyramid = [tex]\frac{lwh}{3}[/tex]
Where: l is the base length, w is the base width and h id the height of the pyramid.
For the given question, l 30 cm, w = 30 cm and h = 45 cm.
So that,
volume = [tex]\frac{30*30*45}{3}[/tex]
= [tex]\frac{40500}{3}[/tex]
= 13500
volume = 13500 [tex]cm^{3}[/tex]
The volume of the pyramid is 13500 [tex]cm^{3}[/tex].
The volume of the square-based pyramid is [tex]13500cm^3[/tex]
The volume of a pyramid is given by
[tex]V=\dfrac{Ah}{3}[/tex]
where
[tex]A=\text{area of the square base}\\h=\text{perpendicular height}[/tex]
The area of the square base, [tex]A[/tex], is calculated as follows
[tex]A=side^2\\=(30cm)^2\\=900cm^2[/tex]
substitute the value of [tex]A[/tex], and [tex]h[/tex] ([tex]45cm[/tex]) into the volume formula to calculate the pyramid's volume
[tex]V=\dfrac{Ah}{3}\\\\=\dfrac{900\times 45}{3}\\\\=13500cm^3[/tex]
Therefore, the volume of the pyramid is [tex]13500cm^3[/tex]
Learn more about volume of pyramids here: https://brainly.com/question/1260835
Lazare is dividing 52.8 ounces of cereal equally into 9 bags. Which is the best way to estimate the amount of cereal in each bag?
Answers
If I'm not mistaken it's 5.9
Estimate amount of cereal in one bag is 5.867 ounces.
What are mathematical operations?Calculate the answer using a math operator is referred to as a mathematical operation.
Basic mathematical operations are addition, multiplication, subtraction and division.
Total quantity of cereal that Lazare has = 52.8 ounces.
And number of bags into which cereal equally divides = 9
To find the amount of cereal in each bag,
Use mathematical operations,
Since, total bags are 9 and amount of cereal is 52.8 ounces.
So, in one bag amount of cereal = 52.8 / 9 = 5.8666 = 5.867
In one bag there will be 5.867 ounces of cereal.
To learn more about Mathematical operations on :
https://brainly.com/question/22469627
#SPJ2
Bradley has a $110 budget to spend on clothes. He wants to buy a
pair of jeans for $49 and spend the rest on t-shirts. Each t-shirt cost
$13.
How many t-shirts can bradley buy without going over his budget
Answers
Answer:
4 Shirts
Step-by-step explanation:
Answer:
Bradley can buy 4 t-shirts.
-------------------------------------------------------------------------------------------------------------- WORK~
110-49= 61
$61.00
61 divided by 13 equals 4.69230769231
He can't buy half a shirt so he can buy 4 shirts without going over budget.
Step-by-step explanation:
May I have brainiest lease I'm trying to level up!
</3 PureBeauty
Can y’all help me on 23?!
Answers
If the ratio of red to white is 2:10 then then there are 200 white cars.
Explanation:
15 divided by 3 is 5. So you multiply 8 by 5 to get 40. 40:15 reduces to 8:3.
With 40 red cars the ratio of 2:10 would be made into 40:200.
The fractions/ratios have to remain proportional.
There are 140 rooms in a hotel. 20% have been decorated since the hotel opened. How many have not been redecorated?
Answers
Answer:
112 rooms
Step-by-step explanation:
Simply if 10% of 140 is 14 20% of 140 is 28. So then 28 substract 140 is 112
PLZ HELP FASTTTTTT I NEED IT RN
Answers
Answer:
sorry i don't know
Step-by-step explanation:
A first number is four more than seven time a second. The sum of the number is 92. Find the number.
Answers
Answer:
11
81
Step-by-step explanation:
x = 7y + 4
x + y = 92
Solve for x in the second equation
x = 92 - y
92 - y = x
Equate the 2 xs
92 - y = 7y + 4 Add y to both sides
92 = 7y+y + 4 Combine
92 = 8y + 4 Subtract 4 from both sides
88 = 8y Divide by 8
88/8 = y
y = 11
===========
x = 7y + 4
x = 77 +4
x = 81
When the outlier(s) are removed, how does the mean change? dot plot with 1 dot over 15, 1 dot over 23, 1 dot over 24, 1 dot over 25, 1 dot over 26, 1 dot over 27, and 1 dot over 35
The mean doesn't change.
The mean increases by 2.
The mean decreases by 2.
There are no outliers.
Answers
Answer:
So the answer is A-The mean doesn't change
Step-by-step explanation:
With the outliers the mean is 25, how?
well if we put down the numbers 15,23,24,25,26,27,35 and add them together 15+23+24+25+26+27+35 we get 175 now we have to divide by how many numbers are there 175/7=25. That is the mean WITH the outliers.
Now, WITHOUT the outliers. The outliers are 15 and 35. We know this because, there is a huge gap between 15 and 23, and 27 and 35. We basically do the same thing but without the outliers. 23+24+25+26+27=125 we divide by how many numbers are there 125/5 then we get 25.
Hey love! <3
Answer:
The correct answer is A. The mean doesn't change
Step-by-step explanation:
Since this is a dot plot, first we have to count up the total x-axis amount from the dot plots, then divide it by the numeral amounts (y-axis), then repeat this after removing the outlier from the dot plot.
Thus, the mean remaining the same.
Hope this could help! ~,~ Sincerely, Kelsey from Brainly
~ #LearnWithBrainly ~
PLEASE DUE IN 20 MINUTES!!!!!!
Write the quadratic function in standard form.
f(x) = (x + 14)2
Answers
Answer:
Step-by-step explanation:
It's essential that you use the symbol " ^ " to indicate exponentiation.
Expanding f(x) = (x + 14)^2 results in x^2 + 28x + 196 (which is in standard form)
What value(s) of z makes the equation 7/6 Z + 1/3 = -5 / 6 true; Z = -1, Z= 2, Z= 1, or Z= -36 / 63?
Answers
Answer:
Z = -1
Step-by-step explanation:
to find which value of Z makes the equation true substitute each value of Z into the equation.
Z = -1
7/6(-1) + 1/3 = -5/6
-5/6=-5/6
all other values of Z will not give u an equal statement
Please someone help me with this math problem
Answers
Answer:
I would say A, and D
Your friend thinks that the equation k-3.5=21, is he correct? explain.
Answers
Answer:
This could be correct in the case and only if k would equal 24.5 so only in that case
Step-by-step explanation:
what is this expression simplified 5(2 + 2k)
Answers
Answer:
10 + 10k
Step-by-step explanation:
This expression simplified is k=0
which of the following systems of equations would have infinitely many solutions?
y=4x-1 and 4x+5
y=x and y=0
y=2x-1 and y=2x-1
y=3x-2 and y=2x-3
Answers
9514 1404 393
Answer:
(c) y = 2x-1 and y = 2x-1
Step-by-step explanation:
A system of equations in which both equations describe the same line will have infinitely many solutions (all points on that line).
The same line is (obviously) described by the (identical) equations ...
y = 2x-1 and y = 2x-1
The scale of a square map indicates that each inch on the map
corresponds to 5 miles. Write an expression that describes the area of
land shown on the map. If the map is 8 inches on one side, what is the
area of land shown on the map?
Answers
Answer:
Area of land: 800 miles.
Step-by-step explanation:
Since the map is a square, you can assume that all 4 sides will equal 8 inches. (Giving you a perimeter of 32, and an area of 64.) Since each inch corresponds to 5 miles, you multiply 8 by 5 which equals 40.
Nyla incorrectly added the fraction 2/3,1/2 and 5/12 she said that to add fractions with different denominators you use the common denominator and add the numeratorsWhat is Nyla’s mistake?
Answers
Answer:
The denominators are not equal.
Step-by-step explanation:
what is -8(×+2)+2(×-1)=
Answers
Answer:
-8x-16+2x-2
-4x = 18
x= -4.5 or -4 1/2
Step-by-step explanation:
1.
Gina buys a new TV for $999.00. She buys during a promotion at the store where she gets a 12
percent discount. She will also pay eight percent in sales tax.
True or false: Gina will pay eight percent in tax on $999.00, the price of the TV.
options:
O True
O False
Answers
What is the value of y? Show you’re work
Answers
Answer:
Y = 32
Step-by-step explanation:
First traingle is 180 degrees
So 180 - 52 = 128
Then 2y + 2y = 4y
So now 128/4 = 32
If you wanna checl ur answer just put the number in and check if it equal to 180
3y=-5x-3 y=-x+1 I am stuck on this ;-; 3
Answers
Given Expression: 3y = -5x - 3
y = -x + 1
--------------------------
3y = -5x - 3
3(-x +1) = -5x - 3 ^ Substitution Property
-3x + 3 = -5x - 3 ^ Distributive Property
2x + 3 = -3 ^ Addition POE
2x = -6 ^ Subtraction POE
x = -3 - Answer