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3 years ago

I NEED HELP SO BAD PLEASE!!!!!!!!!!!

Mathematics

2 answers:

inysia [295]3 years ago

8 0

Answer:

I think its 6 :)

Step-by-step explanation:

Alexeev081 [22]3 years ago

6 0

Answer:

Step-by-step explanation:

i guess

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How do you get (-6,6), (9,1) in Point-Slope Form?

baherus [9]

You go down to the negative number x is first and then you go to the positive number which is y

4 0

3 years ago

Help me

aivan3 [116]

Answer:

Step-by-step explanation:

It is the only answer where the negative signs do not even out on both sides of the equation.

7 0

2 years ago

In a lab experiment, a student is trying to apply the conservation of momentum. Two identical balls, each with a mass of 1.0 kg.

muminat

Answer:

Trial- 2 shows the conservation of momentum in a closed system.

Step-by-step explanation:

Given: Mass of balls are $m= 1.0\ kg$

Conservation of momentum in a closed system occurs when momentum before collision is equal to momentum after collision.

Let initial velocity of ball $A\ is\ u_1$
Initial velocity of ball $B\ is\ u_2$
Final velocity of ball $A\ is\ v_1$
Final velocity of ball $B\ is\ v_2$
Momentum before collision $= mu_1+mu_2$
Momentum after collision $=mv_1+mv_2$

Now, According to conservation of momentum.

Momentum before collision = Momentum after collision

$mu_1+mu_2=mv_1+mv_2$

We will plug each trial to this equation.

Trial 1

$mu_1+mu_2=mv_1+mv_2\\1.0(1)+1.0(-2)=1.0(-2)+1.0(-1)\\1-2=-2-1\\-1=-3$

Trial 2

$mu_1+mu_2=mv_1+mv_2\\1.0(.5)+1.0(-1.5)=1.0(-.5)+1.0(-\.5)\\.5-1.5=-.5-.5\\-1=-1$

Trial 3

$mu_1+mu_2=mv_1+mv_2\\1.0(2)+1.0(1)=1.0(1)+1.0(-2)\\2+1=1-2\\3=-1$

Trial 4

$mu_1+mu_2=mv_1+mv_2\\1.0(.5)+1.0(-1)=1.0(1.5)+1.0(-1.5)\\.5-1=1.5-1.5\\-.5=0$

We can see only Trial 2 satisfies the princple of conservation of momentum. That is momentum before collison should equal to momentum after collision.

5 0

3 years ago

Find the area of a circle with a circumference of 6.28 units.<br> units2

Nuetrik [128]

Answer:

$circumference = 2\pi r\\\\6.28 = 2\pi r\\\\r = \frac{6.28}{2\pi}$

$Area = \pi r^2 = \pi (\frac{6.28}{2\pi} )^{2} = \frac{6.28 \times6.28}{4\pi} = 3.14 square \ units$

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2 years ago

Which expression is equivalent to 45x − 15x

AlladinOne [14]

Answer:

30x

Step-by-step explanation:

7 0

3 years ago