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Keith_Richards [23]
3 years ago
13

Is 21/2 simplified ?

Mathematics
1 answer:
Sati [7]3 years ago
6 0

Answer: 21/2 can not be simplified anymore!!

Step-by-step explanation:

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An airplane is flying from knoxville to new york. The distance it travels in miles, d, is related to the time in seconds, t, by
Zigmanuir [339]

Answer:

0.12 miles is it flying per second.

Step-by-step explanation:

The distance d is related to time t in seconds is given by the equation as follows :

d =0.12 t

We need to find how many miles is it flying per second.

\dfrac{d}{t}=0.12\\\\\dfrac{\text{miles}}{\text{second}}=0.12

So, the speed of the airplane is 0.12 miles per second, Hence, 0.12 miles is it flying per second.

5 0
2 years ago
Question 2 (Essay Worth 10 points) (03.05 HC) The table below represents the velocity of a car as a function of time: Time (hour
Nat2105 [25]
The y-intercept of the function is +5. The average rate is 1/3. The domain is 20.4 miles/hour.
3 0
3 years ago
Find y when x=15 if y=6 when x=30
Elan Coil [88]

Answer:


Step-by-step explanation:

the answer would be nine

6 0
3 years ago
What equation is ALWAYS TRUE?<br> HELPPPPPP
nadezda [96]

Answer:

2(x-1)=2x-2

Step-by-step explanation:

distribute the 2 into (x-1) so you get 2x-2 which is equal to 2x-2

3 0
3 years ago
What is the relationship between the discriminant of a quadratic and its graph?
faltersainse [42]

Answer:

In a quadratic equation of the shape:

y = a*x^2 + b*x + c

we hate that the discriminant is equal to:

D =  b^2 - 4*a*c

This thing appears in the Bhaskara's formula for the roots of the quadratic equation:

x = \frac{-b +-\sqrt{b^2 - 4ac} }{2a}

You can see that the determinant is inside a square root, this means that if D is smaller than zero we will have imaginary roots (the graph never touches the x-axis)

If D = 0, the square root term dissapear, and this implies that both roots of the equation are the same, this means that the graph touches the x axis in only one point, wich coincides with the minimum/maximum of the graph)

If D > 0 we have two different roots, so the graph touches the x-axis in two different points.

4 0
3 years ago
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