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2 years ago

I need help with this one too please !i mark brainliest to everyone

Mathematics

2 answers:

denis-greek [22]2 years ago

5 0

Answer:

I believe A is the answer

iren [92.7K]2 years ago

3 0

Anser is B) because it crosses the negative sevin on the negative side

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Solve the following system of equations by substitution. Show all steps.

Alinara [238K]

Answer:

Given system of equations:

$\begin{cases}f(x)=-x^2+2x+3\\g(x)=-2x+3\end{cases}$

To solve by substitution, equate the equations and solve for x:

$\begin{aligned}f(x) & = g(x)\\\implies -x^2+2x+3 & = -2x+3\\-x^2+4x & = 0\\x^2-4x & = 0\\x(x-4) & = 0\\\implies x & = 0\\\implies x-4 & = 0 \implies x=4\end{aligned}$

Therefore, the x-values of the solution are $x = 0$ and $x = 4$ .

To find the y-values of the solution, substitute the found values of x into the functions:

$f(0)=-(0)^2+2(0)+3=3$

$g(0)=-2(0)+3=3$

$f(4)=-(4)^2+2(4)+3=-5$

$g(4)=-2(4)+3=-5$

Therefore, the solutions to the given system of equations are:

$(0, 3)$ and $(4, -5)$

4 0

2 years ago

Hjjhhhhhhjjjjjjjjhjjhhhhh hhhhhj h

elena-s [515]

Answer:

YASSSSSSSS

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

I need help someone can help me

Alex Ar [27]

Answer:

hbsmbs

Step-by-step explanation:

qwdm qbmd

3 0

2 years ago

What is the answer to this question?

Tanya [424]

Answer:

a^(-1/2) = 1/sqrt(a) = 3

so.

sqrt(a) = 1/3

a = 1/9

6 0

2 years ago

1. In the following diagram, UW bisects XV at Y. Which of the

aev [14]

Answer:

Statement 4 is correct

Step-by-step explanation:

Here, we want to select which statement is true based on the given diagram;

The statement that must be true is that Y is the midpoint of XV

This is because, by bisection , we mean dividing into 2 equal parts

The line UW has divided the line XV into two equal parts

So this mean that Y is the midpoint of the line XV

6 0

2 years ago