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maw [93]
3 years ago
13

220 is 20% of what number? Explain

Mathematics
2 answers:
Kitty [74]3 years ago
6 0
0.20a=220

Where 0.20 is the decimal form of 20% 
a is the unknown number

0.20a=220
-------   -----
0.20     0.20
a=1100

220 is 20% of 1100.
Ainat [17]3 years ago
6 0
<span>220= 20% "of" y -"of" means multiply! Convert the percent to a decimal
220= .2 * y -divide 220 by .2
1100= y </span>
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2.4x-9 &lt; 1.8x+6 solve the inequality
nasty-shy [4]

Answer:

x<25

Step-by-step explanation:

Let's solve your inequality step-by-step.

2.4x−9<1.8x+6

Step 1: Subtract 1.8x from both sides.

2.4x−9−1.8x<1.8x+6−1.8x

0.6x−9<6

Step 2: Add 9 to both sides.

0.6x−9+9<6+9

0.6x<15

Step 3: Divide both sides by 0.6

0.6x/0.6 < 15/0.6

x<25

8 0
3 years ago
301 round to the nearest ten
Nadusha1986 [10]
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4 0
4 years ago
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Find the rate of change: Mike can bike 3 miles in an hour. What is the speed at which mike can bike?
masya89 [10]
Rate  of  change=<span><span>change  in  y divided by </span><span>change  in  <span>x
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Change in y = 3
Change in x = 1
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So, the rate of change is 3.</span></span></span>
3 0
3 years ago
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marta [7]
72a3 is the right answer
8 0
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Step-by-step explanation:

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