a rectangle has sides that are 23 m 19 m and 19 m what is a rectangles lengthA. 19 mB. 23 mC. 84 mD. 46 mthis is what it said Th
ank you If u help me
1 answer:
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Answer:
about 5.613 seconds
Step-by-step explanation:
Using the quadratic formula to find the value of t when h = 0, we have ...
at² +bt +c = 0
t = (-b±√(b²-4ac))/(2a)
t = (-72±√(72² -4(-16)(100)))/(2(-16))
t = (-72±√11584)/-32 = (9±√181)/4
Only the positive value of t is of interest.
The coin will hit the stream after (9+√181)/4 seconds ≈ 5.613 seconds.
Answer:
Thus, the two root of the given quadratic equation is 5.24 and 0.76 .
Step-by-step explanation:
Consider, the given Quadratic equation,
This can be written as ,
We have to solve using quadratic formula,
For a given quadratic equation we can find roots using,
...........(1)
Where, is the discriminant.
Here, a = 1 , b = -6 , c = 4
Substitute in (1) , we get,
and
We know (approx)
Substitute, we get,
(approx) and
(approx)
(approx) and
(approx)
Thus, the two root of the given quadratic equation is 5.24 and 0.76 .
<span>The answer is true
Let's imagine that we have the following function function:
</span>
<span>We have to:
Independent variable: x
Dependent variable: y
For x = -1:
</span>
<span> For x = 1:
</span>
<span> We observe that the independent variable can only obtain one result.
Answer:
True</span>
Let's imagine that we have the following function function:
</span>
<span>We have to:
Independent variable: x
Dependent variable: y
For x = -1:
</span>
<span> For x = 1:
</span>
<span> We observe that the independent variable can only obtain one result.
Answer:
True</span>