3 years ago

How do I solve system of equations by subsitution

1 answer:

6 0

You need to solve for x or y in one equation and and substitute it into the other equation in place of the variable that corresponds to it.

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sweet [91]

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Step-by-step explanation:

here's the solution in attachment.

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The sum of 5 and 8 times a number is 45 Which of the following equations below can be used to find the unknown number

Ulleksa [173]

The answer to this is C

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3 years ago

given a polynomial function f(x) = -x^2 + 2x + 1 and an exponential function g(x) = 2x, what key features do f(x) and g(x) have

hoa [83]

This shows that both functions have the same y-intercept

<h3>Polynomial and exponential functions</h3>

Given the following functions as shown:

f(x) = -x^2 + 2x + 1

g(x) = 2^x

The y-intercept occurs at x = 0

For f(x) = -x^2 + 2x + 1

f(0) = -0^2 + 2(0) + 1

f(0) = 1

For the g(x), the y intercept is caculated as:

g(0) = 2^0
g(0) = 1

This shows that both functions have the same y-intercept

Learn more on intercept here: brainly.com/question/1884491

4 0

2 years ago

Shelly made 5 more sales calls than Clark. Shelly and Clark made a total of 33 sales calls. How many sells did each of them make

n200080 [17]

Clark made 14 and Shelly made 19.

33-5=28
28/2=14
Clark=14
14+5=19
Shelby=19

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3 years ago

Read 2 more answers

Combine like terms to simplify.<br><br> 8x+9y+4x+3y=

aleksandr82 [10.1K]

The answer is 12x+12y

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3 years ago

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How do I solve system of equations by subsitution​

How do I solve system of equations by subsitution