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3 years ago

WILL CROWN BRAINLIEST, THANKS, AND RATING!!!

1 answer:

7 0

A quadratic has a squared term...causing the shape of a parabola, a U shape because both positive and negative x's squared end up being the same number. real world situation a quadratic could be used to track the height of a launched object. An exponential has the variable in the exponent, causing the y to grow or decay increasingly quickly or increasing slowly real world example: banks use interest, over months or years.Each time the interest is applied, it is applied to a new and bigger total

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Solve the system of equations by the addition method. 3x - 5y = 7 8x + 10y = 14

erik [133]

Answer:

(2, -1/5)

Step-by-step explanation:

I used the elimination method

3 0

3 years ago

3 + 2x -y =0 -3 -7y = 10x

sweet [91]

Answer:

(-1, 1)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Algebra I

Solving systems of equations using substitution/elimination
Solving systems of equations by graphing

Step-by-step explanation:

Step 1: Define systems

3 + 2x - y = 0

-3 - 7y = 10x

Step 2: Rewrite systems

3 + 2x - y = 0

Add y to both sides: 3 + 2x = y

Step 3: Redefine systems

y = 2x + 3

-3 - 7y = 10x

Step 4: Solve for x

Substitution

Substitute in y: -3 - 7(2x + 3) = 10x
Distribute -7: -3 - 14x - 21 = 10x
Combine like terms: -14x - 24 = 10x
Add 14x on both sides: -24 = 24x
Divide 24 on both sides: -1 = x
Rewrite: x = -1

Step 5: Solve for y

Define original equation: -3 - 7y = 10x
Substitute in x: -3 - 7y = 10(-1)
Multiply: -3 - 7y = -10
Add 3 to both sides: -7y = -7
Divide -7 on both sides: y = 1

Step 6: Graph

Check the solution set.

4 0

3 years ago

Is x/3 equivalent to 1/3x

andrew-mc [135]

Yes they are both the same thing

7 0

3 years ago

Jace is a songwriter who collects royalties in his songs whenever they are played in a commercial or a movie. Jace will earn $50

VashaNatasha [74]

Jace's song were played on 8 commercials and 2 movies

<h3>Further explanation</h3>

Simultaneous Linear Equations could be solved by using several methods such as :

Elimination Method
Substitution Method
Graph Method

If we have two linear equations with 2 variables x and y , then we need to find the value of x and y that satisfying the two equations simultaneously.

Let us tackle the problem!

Let:

Number of Commercials = C

Number of Movies = M

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