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3 years ago

Please help!!!! (Show work if possible)

Mathematics

2 answers:

Mrrafil [7]3 years ago

5 0

Yep the correct answer is D

Debora [2.8K]3 years ago

3 0

The correct answer is d or y=-5/2x-2 :) you find the slope which is -5/2 or -2.5 from the rise and run method then you have a y intercept of -2.

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Solve the equation. 24 - 3x = 2x - 1 Please include step-by-step explanation.

Bad White [126]

24-3x=2x-1
+3x. +3x

24=5x-1
+1. +1

25=5x

X=5

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3 years ago

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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 $(4, -5)$

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2 years ago

Solve z = x+jy when sinz =11

pentagon [3]

X= -jy+11 this the answer you can use mathaway.com to help for your answers

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3 years ago

I need help with this we my class skipped this section

Sati [7]

Answer:

v^ 3 = 1000

so v = cube root of 1000

v = 10

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Answer:

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4 years ago

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