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shtirl [24]
2 years ago
11

Solve this system of equations: y = x2 – 3x 12 y = –2x 14 1.isolate one variable in the system of equations, if needed. y = x2 –

3x 12 y = –2x 14 2.use substitution to create a one-variable equation. –2x 14 = x2 – 3x 12 3.solve to determine the unknown variable in the equation. what are the values of x? {–2, 1} {–2, 4} {–1, 2} {–1, 4}
Mathematics
1 answer:
Dahasolnce [82]2 years ago
4 0

Answer:

our answer is X=2 or X= -1

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Pls confirm if right. Thx!
Sloan [31]

Answer:

If I am thinking right ya

Step-by-step explanation:

5 0
3 years ago
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You have 20 coins valued at 2.60. All are either quarters or nickels. Write and solve a system of equations to find the number o
Ivan

To solve this problem you must apply the following proccedure:

1. You have a total of 21 coins, all nickels and dimes. Then:

x:nickels=5 cents

y: dimes=10 cents

x+y=21

2. You have that the total value is $1.70. Then:

5x+10y=170

3. The system of equation is:

x+y=21    (i)

5x+10y=170    (ii)

4. You have:

x+y=21

x=21-y

5(21-y)+10y=170

105-5y+10y=170

y=13 dimes

x+13=21

x=8 nickels

7 0
3 years ago
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What is 1/2 divided by 4?
Natasha_Volkova [10]
1/2/4=1/2 x 1/4 = 1/8
8 0
3 years ago
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PLEASE PLEASE HELP MEH
wel
Answer is in bold and i will add step
Since they are vertical angles they will be the same. Since 6=146 2=146

4 0
3 years ago
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I just want to check my answer, what is the slope of (-19, -6), (15,16)?
galina1969 [7]
slope=\frac{y_2-y_1}{x_2-x_1}\\\\ 
(x_1,y_1)=(-19,-6)\\ 
(x_2,y_2)=(15,16)\\\\
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Slope\ is\ equal\ to\ \frac{11}{17}.

7 0
4 years ago
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