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Naddika [18.5K]
3 years ago
5

Write 7 x 10^-3 in standard notation.

Mathematics
1 answer:
VashaNatasha [74]3 years ago
5 0

Answer:

0.007

Step-by-step explanation:

A negative notation starts with 0's from the left.

count 3 places before the 7, that is where my point is.

I am pretty sure of my explanation but the answer is correct.

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V^2+2=8-4v^2 solve the question algebically
iris [78.8K]

Answer:

v =  ± sqrt(6/5)

Step-by-step explanation:

v^2+2=8-4v^2

Add 4v^2 to each side

v^2+ 4v^2+2=8-4v^2+ 4v^2

5v^2 +2 = 8

Subtract 2 from each side

5v^2  +2-2 = 8-2

5 v^2 = 6

Divide each side by 5

5v^2 /5 = 6/5

v^2 = 6/5

Take the square root of each side

sqrt(v^2)  = ± sqrt(6/5)

v =  ± sqrt(6/5)

8 0
3 years ago
Read 2 more answers
PLEASE HELP! [99 POINTS] !! SERIOUS ANSWERS ONLY !!!
umka21 [38]
Hello!

We can find out our answer by plugging in the point (1,1) to see which equation works.

y=1.4(1.2)≠1
y=1.2≠1
y=0.5+0.3≠1
y=0.2+1.2≠1

As you can see, none of these answers are correct. You could make the last equation true by switching 0.2 to -0.2. It may have been a typo, so I would say the best answer is D.

I hope this helps!
5 0
3 years ago
Read 2 more answers
7th grade math help me please
AlexFokin [52]

Answer:

the 2nd answer (II)

Step-by-step explanation:

1 and 2 are not rational if that's what your asking

7 0
2 years ago
The second one write it on the paper and take a picture
Elodia [21]

Answer:

The common for the second question is 30

6 0
3 years ago
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If the perimeter of the rectangle is 6x+c what is the value of c
nikdorinn [45]
C is 2*length I hope
5 0
3 years ago
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