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koban [17]
3 years ago
5

Simplify the polynomial (3x^2+6x+1 )+(-7x^2+2x-3)

Mathematics
1 answer:
aev [14]3 years ago
7 0
I'm not 100% on this, but my answer is -4x^2 + 8x - 2. Please let me know if this is correct. If so, give me a high five and a pat on the head.
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Find the value of x such that PQ = QR, where P , Q, and R are the points (2, 5 ),( x, -3 ), and ( 7, 9 ), respectively.
Andrei [34K]

Answer:

I think its, Find the value of x such that PQ = QR, where P , Q, and R are the points (2, 5 ),( x, -3 ), and ( 7, 9 ), respectively.

Step-by-step explanation:

3 0
3 years ago
Factor Xsquared +12x+27
____ [38]

Answer:

(x+3)(x+9)

Step-by-step explanation:

We are given the expression x^2+12x+27

This means that we are looking for two numbers that would add together to give us 12 and multiply to give us 27.

The two numbers that fit this description are 3 and 9.

This means that the factored form of the expression would be

(x+3)(x+9)

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3 years ago
Find the solution of the given system of equations
nignag [31]

Answer:

Point form-

(3,-2)

Equation Form:

x=3, y=-2

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

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4 0
3 years ago
Evaluate the expression, thank you!
sergeinik [125]

Answer:

(0.7- -5x-0.2)= (0.7-1)= -1.7

-1.7/0.3 = -5.66666666667

7 0
3 years ago
Find the measure of b
Nataly [62]

Answer:

93°

Step-by-step explanation:

8x-25+7x-5=180

15x-30=180

15x=210

x=14

<B=7(14)-5

<B=93°

6 0
3 years ago
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