3 years ago

Calculate the speed of a car that goes 125 km in 2 hours

Mathematics

1 answer:

nataly862011 [7]3 years ago

4 0

Answer:

64.5 km

Step-by-step explanation:

125/ 2

= 64.5 km/hr

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If the coefficient a in the general quadratic equation is equal to 9, what is the focal length for the

lutik1710 [3]

Answer:

Step-by-step explanation:

Let the equation of a parabola be

$y^{2}$ = 4ax.

Then , focal length of the parabola is a.

As , (0,0) is the vertex and its focus is (a,0)

Thus, focal length comes out to be a.

Here,

a is given as 9 units .

Thus focal length of the parabola, d, equals to 9 units

5 0

3 years ago

2(5x + 7) = 34<br><br> Someone help me

Pepsi [2]

Answer:

x = 2

Step-by-step explanation:

2(5x + 7) = 34

10x + 14 = 34

10x = 34 - 14

10x = 20

x = 20/10

x = 2

7 0

3 years ago

Read 2 more answers

Simplify. Assume that no denominator is equal to zero.

nikklg [1K]

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