Use the method of your choice to solve the following system of equations. Write your solution as a coordinate.
y = 3x - 5
3x - 7y = - 19
Samuel has been reviewing his notes on functions in preparation for the next test. He thinks it’s possible in a function for the amount of domain values to be greater than the amount of range values. Is Samuel correct? Explain why or why not.
Answer:
He is incorrect.
Step-by-step explanation:
The range values cannot be greater than the domain values because of the known mathematical fact that all inputs (domain) can only have one output (range). This mathematical fact proves that the range can only be equal to the amount of inputs, not greater. To show why let's look at an example.
Ex:
Inputs: Outputs:
1 2
3 2
6 2
Using that example we can already conclude that the domain values can be greater than the range values because each of the different inputs can have the same outputs as shown in the table above. But the thing with range is you can't have more than one output for the inputs. For example 1 (input) = 2 output and this will always equal 2 no matter what. You cannot have the inputs of 1 and have different outputs 2 and 4. Since you cannot have more than one output for an input it makes the amount of range values impossible to be greater than the domain values.
Hope that helped.
HELP ASAP!! WILL MARK BRAINLIST!!!!!!!
Derek Jeter, the short stop for the New York Yankees, a major league baseball team, played in 159 games in 2012 and hit 15 home runs. If he plays a total of 1272 games in his career, approximately how many home runs will he hit?
[A] Write a proportion that is defined by this situation.
[B] Explain how the cross product is used to solve the problem.
[C] Answer the question.
Answer:
120 home runs.
Step-by-step explanation:
Let x be the number of home runs after playing 1272 games.
We have been given that Derek Jeter, the short stop for the New York Yankees, a major league baseball team, played in 159 games in 2012 and hit 15 home runs.
Let us find the probability of hitting home runs in next game.
To find the total number of home runs Derek will hit in his career, we will use relative probability, which is the ratio of the occurrence of a singular event and the total number of outcomes.
So we can set a proportion as:
Let us multiply both sides of our equation by 1272.
Therefore, Derek Jeter will hit approximately 120 home runs in his career.
In his career, Derek Jeter will probably hit 120 home runs.
What is a proportion?A proportion is an equation that sets two ratios at the same value.
Let x be the number of home runs after playing 1272 games.
And given, Derek Jeter hits 15 home runs in 159 games.
To find the number of home runs he hit in 1272 games,
x = 1272 x 15 / 159
x = 120
And to find the proportion:
15x = 120
x = 120/15
x = 8
We can calculate the Cross Product this way:
cross product with angle and unit vector
a × b = |a| |b| sin(θ) n
Therefore, Derek Jeter will hit approximately 120 home runs in his career.
To learn more about the proportion:
https://brainly.com/question/7096655
#SPJ2
Use the triangle to answer the question. What is the value of x?
Answer:
B). 48
Step-by-step explanation:
48•64=3072
3072÷64=48
Answer:
value of X=180-(48+48)
=180-96
=84
Mrs. Holcomb has joined Weight Watchers. She would like to lose 12 kg in 30 days. On the average, how many pounds per day will Mrs. Holcomb need to lose to meet her goal? (2.2lbs. = 1 kg)Immersive Reader
Options are below
0.44 lbs.
0.88 lbs.
1.1 lbs.
2.5 lbs.
Answer: 0.88 lbs.
Step-by-step explanation:
12/30 = 0.4 (she needs to lose 0.4 kg everyday)
0.4 x 2.2 = 0.88 lbs
Which expression does not represent 625?
Answer:
where are the choices?
Step-by-step explanation:
HELP ANSWER X FOR THIS ISOSCELES TRIANGLE THANK YOU
Answer:
Step-by-step explanation:
Remark
The point about the question is that the two sides are marked as equal.
Equation
3x + 5 = 5x + 1 Subtract 3x from both sides
Solution
3x - 3x + 5 = 5x - 3x + 1 Combine like terms
5 = 2x + 1 Subtract 1 from each side
5-1 = 2x +1 - 1 Combine
4 = 2x Divide by 2
4/2 = 2x/2
x = 2
Find the inverse of function f
Answer:
ummm ive never saw this math in my life before lol
For the algebraic equation, select the property or properties that could be used to solve it.
-7(2x -5) = -49
Group of answer choices
Addition or Subtraction Property of Equality
Multiplication or Division Property of EQuality
Distributive Property
Commutative Property
18 POINTS AND BRAINLIEST A system of equations is shown.
What is the value of x in the solution to the system?
4x + 2y = 10
2x - 2y = 8
Answer:
(x.y) = (3,-1)
Step-by-step explanation:
$2.99 toy ; 30% discount
Answer:
is 2.99 the price before or after the discount
Answer:
2.69 i think
Step-by-step explanation:
CAN I HAVE HELP!!!!!!!!!!!
HELP
Which statements are always true regarding the
diagram? Select three options.
Omz5 + mz3 = mz4
Omz3 + mz4 + mz5 = 180°
Dmz5 + mz6 =180°
Dm2 + mz3 = mz6
Omz2 + mz3 + mz5 = 180°
Answer:
Step-by-step explanation:
m∠5 +m∠6 = 180° ( the angles form a line)
m∠2 + m∠3 = m∠6 ( exterior angle is the sum of 2 not adjacent angles)
m∠2+m∠3+m∠5= 180° (sum of angles in a triangle is 180°)
Which equation is the result of solving y-p=m(x-q) for x ?
Answer:
x=[tex]\frac{y}{m} -\frac{p}{m} +q[/tex]
Step-by-step explanation:
Hello pls answer i reposted cus it flopped
Answer:
5cm
Step-by-step explanation:
(3+7)divided by 4 = 2.5
2.5 x 2 = 5
What is the value of f(4)?
f(4)=_______
HELPPP ILL MARK U BRAINLIEST!!
Answer:
4x + 5
Step-by-step explanation:
I hope its right!
Help me help me please
Answer:
Slope/Gradient is: -1/2
y-intercept is: -5
Step-by-step explanation:
Math world problems, i think inequalities.
Answer:
ok i will explain inequalities here is a example problem
x-12=15 add 12 to both sides x-12+12=15+15 is the opposite for adding in adding you have to subtract the both numbers like in adding
6.25 ÷ 0.025 find and tell me fast and I will mark you as the brainalest
Answer:
6.25 divided by 0.025 is 250
6 (6 + 7) = show work
Answer:
78
Step-by-step explanation:
6 (6+7) =
36 + 42 =
78
6x(6+7)
6x13
78
Hope this helped
is either x = 3 or x = 7 a solution to 24 - x = 20?
Answer: Neither of them are solutions.
Step-by-step explanation: Hope this helped!!!!
The amounts of food waste generated in a region during two years were 37,500,000 tons and 30,400,000 tons. What was the total food waste generated over these two years in the region, expressed in scientific notation?
A. 67.9 ⋅ 1014 tons
B. 6.79 ⋅ 107 tons
C. 67.9 ⋅ 107 tons
D. 6.79 ⋅ 1014 tons
Answer:
6.79 ⋅ 107
Step-by-step explanation:
How can you identify a unit rate or constant of proportionality in a table? In a graph? In an equation?
Answer:
If the relationship between two variables in a table is that of direct variation, then the unit rate or the constant of proportionality is determined by dividing any non-zero value of one of the variables by the corresponding value of the other variable.
Step-by-step explanation:
Mark as Brainliest
1. Solve 6(x - 2) = 2(x + 12).
Answer:ok so. X= 9.
Step-by-step explanation: Step by Step Solution
More Icon
Reformatting the input :
Changes made to your input should not affect the solution:
(1): Dot was discarded near ").".
Rearrange:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
6*(x-2)-(2*(x+12))=0
Step by step solution :
STEP
1
:
Equation at the end of step 1
(6 • (x - 2)) - 2 • (x + 12) = 0
STEP
2
:
Equation at the end of step 2
6 • (x - 2) - 2 • (x + 12) = 0
STEP
3
:
STEP
4
:
Pulling out like terms
4.1 Pull out like factors :
4x - 36 = 4 • (x - 9)
Equation at the end of step
4
:
4 • (x - 9) = 0
STEP
5
:
Equations which are never true:
5.1 Solve : 4 = 0
This equation has no solution.
A a non-zero constant never equals zero.
Solving a Single Variable Equation:
5.2 Solve : x-9 = 0
Add 9 to both sides of the equation :
x = 9
One solution was found :
x = 9
here you go
Answer:
6x-12=2x+24
combine like terms
4x-12=24
add 12 on both sides
4x=36
divide by 4
answer is:x=9
Step-by-step explanation:
please help me due in 10 min please help
The equation y = 1.09x describes the approximate number of yards y in x meters. About how many meters is a 40 yard race?
Answer:
I have summoned the math demon
Step-by-step explanation:
they will show you
50 Points! The sum of 3 consecutive integers is -51. What are the integers?
Answer: The sum of three consecutive even integers is 24. The integers are 6 (from the x) , 8 (from the x + 2), and 10 (from the x + 4).
Step-by-step explanation:
Ok the question is on here now... The first person who answers it correct gets brainliest...
2 is a prime number and a integer
24 is a whole number and an integer
1 is an integer and a whole number
0 is a rational, whole, integer and real number
and seven is a whole and integer
Mr. Yellowstone can eat 24 hotdogs in
72 minutes. How long would it take
him to eat 36 hotdogs?
HELP PLSSS
Answer:
108
Step-by-step explanation:
i think that's the answer not sure