3 years ago

1. c+z when c = 3 and z = 17

Mathematics

1 answer:

ivann1987 [24]3 years ago

8 0

1) 3+17= 20
2) 40-15= 25
3) 3 x 20= 60
4) 35/5= 7
5) 2 x 6= 1
12= 1
1/12.

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Find the number of real number solutions for the equation. x2 – 18 = 0

madam [21]

x ^ 2 - 18 = 0
For this case, the first thing you should do is rewrite the expression:
x ^ 2 - 18 = 0
x ^ 2 = 18
The solutions for this case are:
x1 = root (18)
x2 = -raiz (18)
Therefore the answer is:
2 solutions of real numbers.
Answer:
2

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2 years ago

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kicyunya [14]

Answer:

B) $y=2x$ and C) $y=-7x+9$

Step-by-step explanation:

Once a linear function has a constant rate of change, you just have to find the linear functions. Also, the other ones are quadratic functions, and their graph are parabolas, which don't have a constant rate of change.

Considering $f(x)=y$