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marishachu [46]
3 years ago
14

Why is it important to know whether a number is positive or negative

Mathematics
1 answer:
san4es73 [151]3 years ago
6 0

its good to know if a number is positive or negative because something as simple as forgetting the signs such as - + could drastically change your answer

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3(4x+8)+3?<br> answer<br> this<br> question <br> please
Diano4ka-milaya [45]

Answer: 12x+27

Step-by-step explanation: 3*4=12 and 3*8=24 24+3=27 so simplyfy it and you would get 12x+27

5 0
3 years ago
Identify the zeros of f(x) = (x + 1)(x − 8)(5x + 2). (5 points)
Sergeeva-Olga [200]

Answer:

Set equal to zero and solve for  x . The multiplicity of a root is the number of times the root appears.

x = − 1  (Multiplicity of  1 )

x = 8  (Multiplicity of  1 )

x = − 2 5  (Multiplicity of  1 )

Step-by-step explanation:

3 0
2 years ago
A line passes through (4, 5) and (8, 9). Which equation best represents the line?
xxTIMURxx [149]

Answer:

that is the equation of the line, its slope is 1 and the y-intercept is 1 y = x + 1

Step-by-step explanation:

we can calculate the slope of this line passing through (4,5) and (8,9) like this:

m = (y2 - y1)/(x2 - x1)

m = (9 - 5)/(8 - 4)

m = 4/4

m = 1

so the slope is 1, and now we can use the equation of one point and the slope to write the line's equation:

y - y1 = m(x - x1)

y - 5 = 1*(x - 4)

y - 5 = x - 4

y = x + 1

that is the equation of the line, its slope is 1 and the y-intercept is 1



7 0
3 years ago
Help me please I used all my points for this.
Paul [167]

Answer:

So easy just try your best if you cant contact me

5 0
2 years ago
Read 2 more answers
There are 1,920 fences posts used in a 12- kilometer stretch of fences How many fences posts are used in 1 kilometer of fence
Nastasia [14]

1920÷12= 160

Step-by-step explanation:

1920÷12= 160

4 0
3 years ago
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