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NeX [460]
2 years ago
12

Find the equation of the line that passes through the points (-4,-2) and (-4,5).

Mathematics
2 answers:
wariber [46]2 years ago
8 0
Sorry I’m not sure if this is much help but the answer is undefined because (y2-y1)/(x2-x1) would equal 7/0 for your slope therefore there is no equation for these points
romanna [79]2 years ago
3 0

Answer:

y=1.5x +4

Step-by-step explanation:

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The question is "the polynomial is even & positive, does it have 3 or 4 zeros?
sergejj [24]
Even function is symmetrical about the y axis
not sure what it means if the polynomial is positive

the zeroes are how many times it hits the x axis
it hits 4 times so 4 zeros
4 0
3 years ago
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What is the average rate of change for ƒ(x) = −3x + 79 over the interval 2 ≤ x ≤ 4?
Ainat [17]

Answer:

The average rate of change is -3.  

Step-by-step explanation:

Given : Function f(x)=-3x+79 over the interval 2 ≤ x ≤ 4.

To find : What is the average rate of change ?

Solution :

Function f(x)=-3x+79 over [2,4]

The rate of change is the slope of the line,

So, \text{Rate of change}=\frac{f(4)-f(2)}{4-2}

f(4)=-3(4)+79

f(4)=-12+79

f(4)=67

f(2)=-3(2)+79

f(2)=-6+79

f(2)=73

Substitute,

\text{Rate of change}=\frac{67-73}{4-2}

\text{Rate of change}=\frac{-6}{2}

\text{Rate of change}=-3

Therefore, The average rate of change is -3.

8 0
3 years ago
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At what position on the number line is the red dot located?
raketka [301]

Answer:

C. 0.5..................

3 0
2 years ago
Can you guy's help me quick!
nadya68 [22]

Answer:

480,700 sets (first choice)

Step-by-step explanation:

If all 25 questions are different,

When order of selection counts:

P(25,7)

= 25!/(25-7)!

= 15511210043330985984000000/6402373705728000

= 2422728000

When order of selection does not count count:

C(25,7)

=25!/(7!*(25-7)!)

=15511210043330985984000000/(6402373705728000*5040)

= 480,700

Hope this helps, have a nice day.

6 0
3 years ago
PLS HELP I'LL MARK BRAINLEST
Andru [333]

Answer: x=55

Step-by-step explanation: 35+35=70. 180-70=110. 110/2=55.

6 0
3 years ago
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