Write a verbal expression for the algebra expression 5n+n/2

Mathematics

2 answers:

saveliy_v [14]2 years ago

6 0

A number multiplied by 5, added with a number halved

____ [38]2 years ago

6 0

Answer:

The sum of five times a number and halve of the number

Step-by-step explanation:

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The first three steps in determining the solution set of the system of equations algebraically are shown in the table. y = −x2 +

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You have a system of equations $\left \{ {{y = -x^2+2x-9} \atop {y =-6x+6}} \right.$ .

1. Substitude right side of second equation into the left side of the first equation: $-6x+6=-x^2+2x-9$ .

2. Solve this equation:
$x^2-2x+9-6x+6=0, \\ x^2-8x+15=0, \\ D=(-8)^2-4\cdot 1\cdot 15=64-60=4, \\ \sqrt{D}=2, \\ x_{1,2}=\dfrac{8\pm 2}{2 } =3,5$ .

3. Find y:
for $x_1=3, y_1=-6\cdot 3+6=-18+6=-12$ ,
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4. The solutions of the system are: (3,-12) and (5,-24).
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3 years ago

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3. Use the diagram 2 and 3 are ____ angles 1. complementary 2. vertical 3. right 4. supplementary

Vladimir79 [104]

2 and three are supplementary angles .

#4.

The answer is opposite angles .