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leonid [27]
3 years ago
9

Solve the equation.

Mathematics
1 answer:
amm18123 years ago
5 0
C. -7
Solve for n by simplifying both sides of the equation, then isolating the variable.

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Is (4, 2) a solution to the equation y = x2 − 7x?
sergey [27]

Answer:

not rlly

Step-by-step explanation:

you need more information to solve that type of equation

8 0
3 years ago
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What is the resulting equation when the expression for y in the second equation is substituted into the first equation-3x+2y=-3
Alex

Answer:

x=-5/11, y=-9/11. (-5/11, -9/11).

Step-by-step explanation:

3x+2y=-3

y=4x+1

---------------

3x+2(4x+1)=-3

3x+8x+2=-3

11x=-3-2

11x=-5

x=-5/11

y=4(-5/11)+1

y=-20/11+11/11

y=-9/11

5 0
2 years ago
Completely factor the polynomial: x^2 - 13x + 12
posledela

(x-12)(x-1) is the answer.

7 0
3 years ago
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What term should be added to t^2+11t, to make it a perfect square trinomial?
Sholpan [36]
Term to be added is: + 121/4

t^2 + 11t + 121/4

(t + 11/2) (t + 11/2)

6 0
3 years ago
Find all solutions in the interval [0,2pi)<br> sec^2x + 2tanx = 3
Marysya12 [62]
Tan^2x + 1 + tanx - 3 = 0 tan^2x + tanx - 2 = 0 (tanx + 2)(tanx - 1) = 0 tanx = -2 or tanx = 1 x = 2.034 radians or x = 5.176 radians or x = pi/4 radians or x = 5pi/4 radians
6 0
3 years ago
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