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vichka [17]
3 years ago
14

The first three steps in determining the solution set of the system of equations algebraically are shown.

Mathematics
1 answer:
Ivenika [448]3 years ago
3 0

(2,-1), (-4,17).

Step-by-step explanation:

Equate the equation A and equation B

Convert the quadratic equation in factored form

Group terms that contain the same variable, and move the constant to the opposite side of the equation

Complete the square. Remember to balance the equation by adding the same constants to each side.

Rewrite as perfect squares

Square root both sides

Find the values of y

Substitute the value of x in the equation B

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Divide each term in the numerator  by 2y:-

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GIVING BRAINLIEST! The diagram below shows the measurements of a bookcase. What is the total height of the bookcase?
Ipatiy [6.2K]

Answer:

D. 18 1/8

Step-by-step explanation:

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The circle graph shows the types of songs that trey has on his phone.if trey has a total of 400 songs on his phone, how many mor
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Step-by-step explanation:

5 0
3 years ago
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When Stretch Gordon signed a contract to play basketball for the Toronto Raptors, he received a one-time $250 000 signing bonus.
creativ13 [48]

Answer:

Here's what I get  

Step-by-step explanation:

Stretch

(i) The equation

E = 250 000 + 100 000n

(ii) Variables

n = the number of games played

E = Stretch's total earnings in dollars

(iii) Constants

$250 000 = Stretch's signing bonus

$100 000  = the money earned for each game.

\begin{array}{ccc}\textbf{Games played} & \textbf{ Earnings/}\mathbf{\$}&\textbf{Earnings/}\mathbf{\$10^{6}} \\20 & 2 350 000 &2.35\\40 & 4 250 000&4.25 \\60 & 6 150 000 &6.15\\80 & 8 050 000&8.05 \\\end{array}

The graph shows how Stretch's total earnings vary with the number of games played.

(iv) Total earnings after 44 games

\begin{array}{rcl}E & = & 250000 + 100000n\\& = &250000 + 100000(44)\\& = &250000 + 4400000\\& = & \mathbf{4 650 000}\\\end{array}

Rory

E = 95 000n + 450 000

Rory's deal is better than Stretch's if they play fewer than 40 games.  

He starts off with a bigger signing bonus, but Stretch earns more money per game.

Stretch closes the gap with each game played.

By 40 games they have the same total earnings.

After 40 games Stretch has more total earnings.

 

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3 years ago
What does factor mean
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a number or quantity that when multiplied with another produces a given number or expression.

8 0
3 years ago
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