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Degger [83]
4 years ago
15

The formula to determine energy is e=1/2mv^2. what is the formula solved for v?

Mathematics
1 answer:
DanielleElmas [232]4 years ago
3 0
Just rearrange for v here, 
e = 1/2 mv²
2e = mv²
v² = 2e / m
v = √(2e/m)

Hope this helps!
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8(y+4)=7y+38 asap pls
Readme [11.4K]
Distribute
remember a(b+c)=ab+ac
8(y+4)=8(y)+8(4)=8y+32


8y+32=7y+38
minus 7y both sides
y+32=38
mius 32 oth sides
y=6
8 0
3 years ago
Please help me out and explain with steps thank you.
Lana71 [14]

Answer:

at matilda's new job, she will make a rounded salary of $69,000 per year.

Step-by-step explanation:

when solving a problem like this, you have to take her current salary ($64,000 per year) and multiply it to the salary increase percentage by first turning the percentage into a decimal. to turn the percentage into a decimal, you imagine a tiny dot to the right of the 8 like this:

8.

and then you have to move that little dot to the left two times recreating it into .08. you multiply .08 (the salary increase percentage) by her current salary ($64,000) and then also add that number to matilda's current salary to come up with the answer you can round. I'll give you an example of my proscess just so I can give a clear visual of my explanation.

step one:

$64,000

x .08

-------------

5,120

step 2:

$64,000

+$5,120

-------------

$69,120

step 3:

$69,120 is rounded up to the nearest thousands is approximately $69,000

answer: $69,000

6 0
3 years ago
5-3x =-10 what is x?
Delvig [45]

Answer:

x = 5

Please tell me if im incorrect and hope this helped ^^

3 0
3 years ago
Read 2 more answers
Which integer is 30 closest to
vesna_86 [32]

Answer:

7,4,15,6

Step-by-step explanation:

7,4,15,6

4 0
3 years ago
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Questions are shown in the picture, any help is appreciated! :)
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