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3 years ago

How is kinetic energy measured

Mathematics

1 answer:

spin [16.1K]3 years ago

5 0

Kinetic energy is usually measured in units of Joules and can be written as “J”.

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Given that triangle x y z is congruent to triangle n m l, the measure of angle x equals 20 degrees, the measure of angle m equal

Delvig [45]

A triangle has a total angle of 180 degrees. Since we know that angle X = angle N = 20 degrees and angle Y = angle M = 75 degrees, therefore angle Z or angle L is equal to:

angle L = 180 – 20 – 75

angle L = 85 degrees

Therefore w is:

angle L = 5 (w – 2)

5 (w – 2) = 85

w – 2 = 17

w = 19

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3 years ago

Find the mean of 10, 8, 10, 7,5 graphically.

enyata [817]

8 is the mean it is easy 5,7,8,10,10 cross both sides off till you get the mean which is 8

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3 years ago

10 fish are in a tank, 3 fish drown, how many fish are left?

taurus [48]

10. Fish don't drown (; nice try tho

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3 years ago

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A system of equations is shown below. y = –x – 3 5x + 2y = 9 What is the solution to this system?

erastovalidia [21]

Answer:

$x=5\ and\ y=-8$

The solution of the system can be given as (5,-8).

Step-by-step explanation:

Given system of equations:

$y=-x-3$

$5x+2y=9$

To solve the given system of equations:

Solution:

We will use substitution to solve the given system.

We will substitute the $y$ values in terms of $x$ from the equation $y=-x-3$ into the other equation to solve for $x$

Substituting $y=-x-3$ into $5x+2y=9$ .

We have:

$5x+2(-x-3)=9$

Using distribution.

$5x-2x-6=9$

Combining like terms.

$3x-6=9$

Adding 6 both sides.

$3x-6+6=9+6$

$3x=15$

Dividing both sides by 3.

$\frac{3x}{3}=\frac{15}{3}$

∴ $x=5$

Plugging in $x=5$ into $y=-x-3$ .

We have,

$y=-5-3$

∴ $y=-8$

The solution of the system can be given as (5,-8).

4 0

3 years ago

Please help me on this it’s due tomorrow:(((

BigorU [14]

Answer:

Bro

Step-by-step explanation:

sorry

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2 years ago

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