2 years ago

Is the constant rate increasing or deceasing

Mathematics

2 answers:

DedPeter [7]2 years ago

4 0

Increasing i’m pretty sure

nadezda [96]2 years ago

3 0

Increasing most likely

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Simplify by combining like terms.2(−4y − 9) − 5y

jenyasd209 [6]

Multiply out the brackets first.
So 2(-4y-9)-5y becomes -8y-18-5y [2 times -4y and 2 times -9]
Then simplify -8y-5y-18 to the answer ......-13y-18 or -(13y+18)

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2 years ago

What is 5.6 minus 4.8

Zanzabum

Answer:

5.6 - 4.8 = 0.8

Step-by-step explanation:

5.6 - 4.8 = 0.8

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2 years ago

If 3x2 - 2x - 16 represents the area of a rectangle, what is the perimeter of that rectangle?

zubka84 [21]

The answer should be B if I am correct

4 0

2 years ago

5x + 4y +3z = 14 x = 3z -22 z = 6 What is the y-value of the solution?

Lemur [1.5K]

X = 3z - 22
z = 6
5x + 4y + 3z = 14
5 (3z - 22) + 4y + 3 (6) = 14
15z - 110 + 4y + 18 = 14
15 . 6 - 110 + 4y + 18 = 14
90 - 110 + 4y + 18 = 14
90 - 110 + 18 - 14 + 4y = 0
-16 + 4y = 0
4y = 16
y = 4

3 0

2 years ago

What is the x-coordinate of the vertex of the parabola whose equation is y = 3x² + 9x?

saveliy_v [14]

Answer: -3/2

Step-by-step explanation:

The axis of symmetry, and thus the x-coordinate of the vertex, is given by $x=-\frac{b}{2a}$

So, the answer is $x=-\frac{9}{2(3)}=\boxed{-\frac{3}{2}}$

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1 year ago