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sineoko [7]
3 years ago
5

the vertex of the parabola is at the point (2,-4). Which of the following could be this parabola’s equation?

Mathematics
1 answer:
7nadin3 [17]3 years ago
8 0

Answer: (A) is the answer

100% sure

Step-by-step explanation:

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Find the solution for the system of linear equations by substitution: 2x - y = 3 y − x = 1
Leviafan [203]

The solution for the system of linear equations 2x- y = 3 and y - x = 1 are x = 4 and y = 5

<h3>What are linear equations?</h3>

Linear equations are equations that have constant average rates of change, slope or gradient

<h3>How to determine the solution to the system?</h3>

A system of linear equations is a collection of at least two linear equations.

In this case, the system of equations is given as

2x- y = 3

y - x = 1

Make y the subject in the second equation, by adding x to both sides of the equation

y - x + x = x + 1

This gives

y = x + 1

Substitute y = x + 1 in 2x- y = 3

2x- x - 1 = 3

Evaluate the like terms

x = 4

Substitute x = 4 in y = x + 1

y = 4 + 1

Evaluate

y = 5

Hence, the solution for the system of linear equations 2x- y = 3 and y - x = 1 are x = 4 and y = 5

Read more about system of linear equations at

brainly.com/question/14323743

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7 0
1 year ago
Completely factor the following expression t^2+4tv+4^2
VashaNatasha [74]
Here is all I got for you. From the starting expression to the simplest one.
t^2 + 4tv + 4^2 =
t^2 + 4tv + 16 = 
t(t + 4v) + 16

4 0
3 years ago
Solve for x. −68&lt;8x−4&lt;−36
Lelu [443]

x equals negative 8 and negative 4


3 0
3 years ago
Read 2 more answers
Please help :))
fredd [130]

Answer:

0.15

Step-by-step explanation:

Fp: frequency that the pitcher will throw exactly 4 pitches to a batter=15

Fa: frequency that the pitcher will throw any pitches to a batter=15+20+40+15+10=100

P=Fp/Fa=15/100=0.15

7 0
2 years ago
A function g models a relationship in which the dependent variable is multiplied by 4 for every 2 units the independent variable
12345 [234]
2x+5=y this should be correct.
6 0
3 years ago
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