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Nonamiya [84]
3 years ago
9

Plz plz plzzzz help plz !!!

Mathematics
1 answer:
bixtya [17]3 years ago
8 0
I think the last two are correct.
Hope it helps

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The table shows a proportional relationship. Select the missing y-value.
Alenkinab [10]

Answer:

A 24

Step-by-step explanation:

8 0
3 years ago
How many triangles can be constructed with angles measuring 50,90,40
inn [45]
Only two triangles:
The 90* angle is stable, so you can change only the position of the 50* and 40* angles.
1 triangle: 40* is right to the 90*
2 triangle: 40* is left to the 90*

Hope this helped you!
5 0
4 years ago
(3x-3) (2x-1)<br> ill pay u ill bid if u want
bezimeni [28]

Answer: 6x^2 - 9x + 3

Step-by-step explanation:

first, i multiplied the parentheses.

3x x 2x - 3x - 3 x 2x - 3 x (-1)

then, i calculated/multiplied it.

6x^2 - 3x - 6x + 3

finally, i collected the like terms.

6x^2 - 9x + 3

3 0
3 years ago
Read 2 more answers
Please help grazie!!
Harlamova29_29 [7]

Answer:

v=-2

Step-by-step explanation:

2•v+2=-2

subtract 2 from both sides

2•v=-4

-4÷2=-2

so v=-2

4 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}
5 0
3 years ago
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