Answer:
The first one because every x value can only have one y value
Step-by-step explanation:
The set of ordered pairs that represents y as a function of x are; {(0, 0), (1, 1), (2, 3), (3, 3)}
We must be aware that, dependent variable, y can only be a function of x if;
For every value of x, there must only be one value of y.
In essence,
For case 1:
y is a function of x, because for every value of x, there's only one value of y.For Case 2:
y is not a function of x, because there's two values of y for a value of x.For Case 3:
y is not a function of x, because there's two values of y for a value of x.For Case 4:
y is not a function of x, because there's two values of y for a value of x.Read more:
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mejores aplicaciones de matemáticas?
The value of y varies directly with x. If x=6, then y=21
.
Find the value of x when y=70
Answer:
Direct proportionality
If the value of y varies directly with x, the value of x when y=70 is 20.
Given that, the value of y varies directly with x.
What is a proportional relationship?Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is know as the "constant of proportionality".
We know that, the value of y varies directly with x
y ∝ x
⇒ y = kx
⇒ k = y/x
⇒ k = 21/6
⇒ k = 7/2
So, k = y/x
7/2 = 70/x
⇒ 1/2 = 10/x
⇒ x = 20
Therefore, if the value of y varies directly with x, the value of x when y=70 is 20.
To learn more about the proportional relationship visit:
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Merin recently
purchased 76 boxes
contanng Bayberry
Extract potion
There were 12
Bayberry Extract
potions n each box
How many potions
dd Merlin purchase
nall?
What is the equation of the line that passes through the point (5,6) and has a slope of 2 ?
Answer:
y = 2x - 4
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Here m = 2, thus
y = 2x + c ← is the partial equation
To find c substitute (5, 6) into the partial equation
6 = 10 + c ⇒ c = 6 - 10 = - 4
y = 2x - 4 ← equation of line
Find the value of x that makes m ∥ n.
Answer:
x=60
Step-by-step explanation:
X+2x=180degree because it is co interior angle
3x=180
X=180/3
X=60.
Verification
X+2x=180
60+2(60)=180
60+120=180
Cole went to the store and bought pants and shirts. He bought a total of 12 items and paid $234. If Pants cost $22 and Shirts cost $16, how many of each did he buy?
Select two equations that could be used to determine the number of pants (p) and shirts (s) Cole purchased
Answer:
Cole bought 7 pants and 9 shirts.
Step-by-step explanation:
Let p represent the number of pants and s represent the number of shirts.
Then using the provided data two equations can be formed.
p + s = 12...(i)
22p + 16s = 234...(ii)
Solve (i) and (ii) simultaneously.
Multiply (i) by 16 and subtract the resultant equation from (ii) as follows:
16p + 16s = 192
-22p - 16s = -234
-6p = -42
p = 7
Substitute p = 7 in (i) and solve for s as follows:
p + s = 16
7 + s = 16
s = 9
Thus, Cole bought 7 pants and 9 shirts.
helpppppp I'll give you brainy est
Answer:
Put those equations into desmos
Step-by-step explanation:
Which of the following is the correct equation of the line that is parallel to y=−1x−5, and has a y-intercept at (0,1)?
y=−1x+0y is equal to negative 1 x plus 0
y=1x+5y is equal to 1 x plus 5
y=−1x+1y is equal to negative 1 x plus 1
y=5x−1
Answer:
The answer is option 3.
Step-by-step explanation:
When both lines are parallel, they will have the same gradient. In a linear equation, y = mx + b where m represents gradient and b is y-intercept :
Let m = -1, b = 1
y = -1x + 1
Answer:
the answer is option 3 like the first person said. no trollin
Step-by-step explanation:
Can I get Help on explaination of this?
Answer:
The measure of the outside angle is the sum of the two inside angles:
68+52=120
Or you could do it the long way and find the third angle inside the triangle then do 180 minus that but this is easier.
Step-by-step explanation:
Which of the following expressions are equivalent to
-1/2?
A.1/-2
B.-1/-2
C.None of the above
Answer:
A
Step-by-step explanation:
-1 / 2 = -0.5
1/-2 = -/0.5
Answer:
b
Step-by-step explanation:
both the top and bottom are negative so there fore the whole fraction is negative.
6th grade math
34/51 = x/3
solve pls
i am just going to give points away pls give me brainlyest
Answer:
Okay will do!!
Step-by-step explanation:
There are 200 different pieces of fruit in a barrel. There are 42 apples, 82 oranges, and 76 pears. Which of the following events have a probability that is less than 0.4?
Answer:
The apples
Step-by-step explanation:
hey can you pls help!!!
Answer:
60/4 if i get right can i please get brainliest?
Answer:
60 miles/ 4 gallons
Step-by-step explanation:
60 divided by 4 is 15
DECIDE WHETHER THE CONGRUENCE STATEMENT IS TRUE. EXPLAIN YOUR REASONING.
The triangles are similar. Find the value of x. Round to the nearest tenth.
Answer:
the value of x is 46 round to the nearst tenth thatll be 50
Step-by-step explanation:
Two more than a certain membership is 15 less than twice the number
What is the value of 6x2 when x = 1.5?
Round to the tenths place
pls help
Answer:
13.5
Step-by-step explanation:
6 x^2
Let x= 1.5
6 ( 1.5) ^2
6 *2.25
13.5
whats the answer to this?
PLZZZ Help I don't understand this or know what to do!!!
Which composition of two rigid motions maps ΔABC to ΔA'B'C?
A. Rx-axis ∘ Ry-axis
B. Ry-axis ∘ Rx-axis
C. T⟨−7, 0⟩ ∘ Rx-axis
D. T⟨−7, 0⟩ ∘ Ry-axis
Answer:
The Answer Is C
Step-by-step explanation:
I had the same question, but i guessed and got it right c: hope this helps other people, even though its late to your question
Answer:
T⟨−7, 0⟩ ∘ Rx-axis
option C
what is p supposed to be in this equation?
If a restaurant charges $9.90 for 2 sandwiches, how much will the restaurant charge for 15 sandwiches?
The ratio of girls to boys in Liza's classroom is 5 to 4.
How many girls are in her classroom if there is a total of 27 students?
Hi!
The answer is: 15 girls.
__________________________________________________________
Let
x-----> the number of girls
y-----> the number of boys
we know that
- x+y=27, Which is equation A.
- x/y = 5/4
- isolate the variable y
- y=4/5x, Which is equation B.
- 9/5x=27
- x=5x27/9
- 15 Girls.
__________________________________________________________
Hope this helps!
SHORT ANSWER Why is this table not a function? Explain your reason. Answer in complete sentences.
Answer:
one input is going to two different out puts it also fails the vertical line test
Answer:
because there is no association between each dot on the scatter plot pls mark brainliest
Step-by-step explanation:
help ASAP!
thank you so much
Annabelle is ordering a taxi from an online taxi service. The taxi charges $2 just for
the pickup and then an additional $1.50 per mile driven. How much would a taxi ride
cost if Annabelle is riding for 6 miles? How much would a taxi ride cost that is m
miles long?
ANSWER WAS WRONG PLEASE HELP ME I NEED TO RETURN TODAY !
Answer:
Cost for 6 miles is 6 dollars.
Step-by-step explanation:
The equation would be 2+1.50x6 then you multiply 1.50 by 6 which gives you 4 and add 2 which would sum up to $6.00
Which one??? I need help
Answer:
C
Step-by-step explanation:
Answer:
Hi^^^its Anime
What is the range of this relashinship for
(17, 1)
(12, -19)
(7, 4)
(17, 11)
Would be (-17, 7, 12, 17) known as b).
Step-by-step explanation:
What is the larger number? Drag and drop the answer in the blank.
The sum of two numbers is 24. The difference of triple the larger number
and double the smaller number is 22. Drag and drop the system of
equations that represents this situation.
22
B 10
2
0 14
What is the smaller number? Drag and drop the answer in the blank.
22
B 10
2
x + y = 24
x- y = 22
B x + y = 24
2x – 3y = 22
D
14
What is the sum of twice the smaller number and double the larger
number? Deng and drop the answer in the blank.
C y + x = 24
2y - 3x = 22
D x + y = 24
3x - 2y = 22
34
B 20
© 48
0 28
Answer: px8+54x2=45
Step-by-step explanation:
Please hurry :) and if u don't know the answer please don't just put a random thing <3
Answer:
Wal-mart
Step-by-step explanation:
you only get a discount from National Tire and Battery after you purchase 4 tires, which is not as good a deal as Wal-mart's
Answer:
Wal-mart.
Step-by-step explanation
20% of 225 is 45, therefore we subtract 45 from 225 and get 180.
180x4=$720
$720 is the least amount of money spent on 4 tires :)
2. Jon has $45.00. He plans to spend 4/5 of his money on sports
equipment. How much will he spend?
Answer:
$36 dollars
Step-by-step explanation:
Answer:
To get the result we have to find 4/5 of 45$. To do this we have to just multiply 4/5 by 45, so
- 36 is the answer
