3 years ago

Which statement is true about this equation? y=2x+4

Mathematics

2 answers:

kolezko [41]3 years ago

6 0

Step-by-step explanation:

C. is the right answer

It is a function only.

alukav5142 [94]3 years ago

4 0

Answer:

Answer and Explanation:

In solving y = 2x - 4, we find that the slope of the line is 2, the y-intercept of the line is y = -4, and the x-intercept of the line is x = 2.

I hope this helps.

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If three corresponding sides of one triangle are proportional to three sides of another, then the triangles are similar. always

mezya [45]

<span>If three sides are proportional their angles must be identical therefore they are always similar.</span>

5 0

3 years ago

Read 2 more answers

Calculate the velocity of a moving train with a mass 10,000kg and 150,000J of energy.

Viefleur [7K]

Kinetic energy possessed by moving train is $E_k = 150000J$ .

And mass $m = 10000kg$ .

The formula for kinetic energy is $E_k = \frac{m\times v^2}{2}$ .

Solve for velocity:

$E_k = \frac{m\times v^2}{2}\implies 2E_k = m\times v^2$

$v^2=\frac{2E_k}{m}\implies \underline{v = \sqrt{\frac{2E_k}{m}}}$

Now put in the data:

$v = \sqrt{\frac{2\times150000J}{10000kg}}\approx5.48\frac{m}{s}$