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Sergeeva-Olga [200]
2 years ago
9

Solve the system, enter the smallest x coordinate first

Mathematics
1 answer:
uranmaximum [27]2 years ago
8 0

The solutions to the system of equations are given as follows: (1, -3) and (-4,2).

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

The equations are given as follows:

  • (x + 3)² + (y + 2)² = 17.
  • x + y = -2.

From the second equation:

y = -2 - x.

Replacing in the first:

(x + 3)² + (y + 2)² = 17.

(x + 3)² + (-2 - x + 2)² = 17

x² + 6x + 9 + x² = 17

2x² + 6x - 8 = 0

2(x² + 3x - 4) = 0

2(x + 4)(x - 1) = 0.

Then the solutions for x are:

  • x + 4 = 0 -> x = -4.
  • x - 1 = 0 -> x = 1.

The solutions for y are:

  • When x = 1, y = -2 - 1 = -3.
  • When x = -4, y = -2 -(-4) = 2.

Hence the solutions are:

(1, -3) and (-4,2).

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

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Which represents the inverse of the function f(x) = 4x?
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Answer:

h(x)=1/4x

Step-by-step explanation:

Inverse function is when the domain and range of a function are swapped, or in other words the y and x values are swapped.

To do this you simply change x to y, and y to x in the equation

So we have the original equation

y = 4x

swap y and x

x = 4y

now solve for y by dividing by 4

y = x/4

which can also be expressed as h(x)=1/4x

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Step-by-step explanation:

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A new bank customer with ​$4 comma 500 wants to open a money market account. The bank is offering a simple interest rate of 1.5​
Jet001 [13]

a) Simple interest earned by customer in 10 years is $ 675

b) Account balance after 10 ​years is $ 5175

<em><u>Solution:</u></em>

<em><u>The simple interest is given by formula:</u></em>

Simple\ Interest = \frac{p \times n \times r}{100}

Where,

"p" is the principal

"r" is the rate of interest

"n" is the number of years

<em><u>a. How much interest will the customer earn in 10 ​years?</u></em>

From given,

Principal = p = $ 4500

Simple interest rate = r =1.5 %

n = 10

Substituting the values in formula,

Simple\ Interest = \frac{4500 \times 10 \times 1.5}{100}\\\\Simple\ Interest = 450 \times 1.5\\\\Simple\ Interest = 675

Thus simple interest earned by customer in 10 years is $ 675

<em><u>b. What will the account balance be after 10 ​years ?</u></em>

Account balance = principal + simple interest

Account balance = 4500 + 675 = 5175

Thus account balance after 10 ​years is $ 5175

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