Mary decreaser time in the mile walk from 30 minutes to 24 minutes what is the percent decrease

Answers

Answer 1
Answer: There was a 20% decrease. To find the decrease, subtract the old number from the new number. (30-24=6) Then divide the decrease (6) by the original number and multiply the answer by 100. (6/30=0.2 0.2*100=20).

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Eighty-three million twenty-three thousand seven in standard form

Answers

83,237,000  this should be it 
82,237,000 is your answer

F (x) = -4x²+2x+4 help me find the answer please

Answers

Answer:

Here's The Answer: 4

Step-by-step explanation:

-4x²+2x+4 = 4

I'm Sorry If I Get This Wrong.

Which value of x will make the equation2x-30=6 true?

Answers

18 should be the value of x to make the equation true.

2x - 30 = 6

2x = 6 + 30
2x = 36
2x/2 = 36/2
x = 18

to check:
2x - 30 = 6
2(18) - 30 = 6
36 - 30 = 6
6 = 6



40/100= _ of_ Equal parts and the decimal _

Answers

Not sure what the question is, but this is 4/10 or 0.4.

What's 2% as decimal

Answers

0.02

I hope I helped you.
Just as you would multiply a decimal number by 100 to get a percent, this time you divide, since your doing the opposite. If you divide 2 by 100, it gives you 0.02. That's your answer :)

How many solutions are there to the equations 5x+1=3x+7?

Answers

5x + 1 = 3x + 7

Subtract 3x to both sides:

2x + 1 = 7

Subtract 1 to both sides:

2x = 6

Divide 2 to both sides:

x = 3

So this equation only has 1 solution.
5x+1=3x+7\n2x=6\nx=3

One.