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Masja [62]
3 years ago
8

What is 0.009% of 5000? Round to the nearest hundredth (if necessary).

Mathematics
2 answers:
Semmy [17]3 years ago
6 0

Answer:

0.45  that's forty-five hundredths. No further rounding required.

Step-by-step explanation:  To convert the percent to decimal, shift the decimal point two places to the left. .009%  becomes .00009  Then multiply that by (of means multiply when you convert word problems to equations) 5000.

.00009 × 5000 = .45  Quick on a calculator.

Old Style: 9 x 5000 = 45000. but since the 9 is in the 5th decimal place, you move the decimal 5 places to the left and end up with .45000 but you can drop the useless zeros to the right and put a zero to the left of the decimal for clarification-- in case someone doesn't notice the decimal point.  0.45

Alex777 [14]3 years ago
4 0

Answer:

0.045

Step-by-step explanation:

If you recall, I answered a similar question of yours recently. I told you that you just multiply the percent in decimal form by 5000.

0.0009% is the same as 0.000009.

0.000009 x 5000 = 0.045

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John bought an old motor bike for $ 5675 and spent $ 453 on its repair. Then he sold it in $ 7265, find out the profit he made.​
drek231 [11]

Answer:

1137

Step-by-step explanation:

5675+453

6128

Now

7265-6128

1137

4 0
2 years ago
Heeellllppp~ I beg you, I'm crying~ because I have been waiting for a long time now and I have asked this question multiple time
sp2606 [1]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
A copy machine can print 480 copies every 4 minutes. A teacher printed 720 copies. How long did it take to print?
Dafna1 [17]

Answer:

6 minutes

Step-by-step explanation:

every minute is 120

720/120=6

3 0
2 years ago
Read 2 more answers
17n + 4n- 4= 122<br><br> how do i solve for n?
Leokris [45]

Answer:

n = 6

Step-by-step explanation:

17n + 4n - 4 =122

combine like terms  17n & 4n

21n - 4 = 122

21n - 4 + 4 = 122 + 4

21n = 126

21n / 21 = 126 / 21

n = 6

8 0
3 years ago
HELP!!! Anyone know how to solve I know the answer is (-3) but I don’t know how to get there. Thanks!!
Dima020 [189]

Answer:   v = -3

=========================================

Work Shown:

5 = \sqrt{-2-6v}+1\\\\5-1 = \sqrt{-2-6v}\\\\4 = \sqrt{-2-6v}\\\\4^2 = \left(\sqrt{-2-6v}\right)^2 \ \text{ .... square both sides}\\\\16 = -2-6v\\\\16+2 = -6v\\\\18 = -6v\\\\-6v = 18\\\\v = 18 \div (-6)\\\\v = -3

As you can see, we don't square both sides until the square root portion is fully isolated or on its own side. So it happens after we subtract 1 from both sides.

Technically, you are able to square both sides without first isolating the square root. But that would mean you'd have to use the FOIL rule and things would get a bit messier than they have to be. Not to mention that the square root term wouldn't fully go away (so you'd have to square again later down the line).

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

Checking the answer:

Replace every copy of v with -3. Simplify both sides. We should end up with the same number on each side

5 = \sqrt{-2-6v}+1\\\\5 = \sqrt{-2-6(-3)}+1\\\\5 = \sqrt{-2+18}+1\\\\5 = \sqrt{16}+1\\\\5 = 4+1\\\\5 = 5\\\\

The answer is confirmed.

4 0
3 years ago
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