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makvit [3.9K]
3 years ago
12

Solve for x. -ax+4b>9

Mathematics
2 answers:
sergiy2304 [10]3 years ago
8 0
Let's solve for a.<span><span><span><span>(<span>−a</span>)</span><span>(x)</span></span>+<span>4b</span></span>>9</span>Step 1: Add -4b to both sides.  <span>−ax+4b+−4b</span><span>></span><span>9+−4b</span><span><span>                                                                 −<span>ax</span></span>><span><span>−<span>4b</span></span>+9</span></span>
Step 2: Divide both sides by -x.       <span>−ax−x</span><span>></span><span>−4b+9−x</span><span>                                                                  a<<span><span><span>4b</span>−9</span><span>x</span></span></span>
Fed [463]3 years ago
4 0
-ax+4b>9
-ax>9-4b
-x>(9-4b)/a
x<-(9-4b)/a
x<(4b-9)/a

Answer: x<-(9-4b)/a              or            x<(4b-9)/a
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Read 2 more answers
Sean tried to drink as fast as he could. He drank the slushy at a constant rate. There were originally 275 milliliters of slushy
loris [4]

a. Sean drank at a rate of 5 milliliters per second.

b. It took Sean 55 s to drink all the slushy.

<h3>a. How to find the rate at which Sean drank?</h3>

Since Sean darnak at a constant rate and originally there were 275 milliliters of slushy in the cup. After 13 seconds, 210 milliliters of slushy remained.

The rate at which Sean drank, r = Change in volume of slushy/time for change

= (275 mL - 210 mL)/13 s

= 65 mL/13 s

= 5 mL/s

So, Sean drank at a rate of 5 milliliters per second.

<h3>b. How long did it take Sean to drink all the slushy?</h3>

The time it takes Sean to drink all the slushy is given by

T = V/r where

  • V = total volume of slushy = 275 milliliters and
  • r = rate of drinking by Sean = 5 mL/s

So, T = V/r

= 275 mL/5 mL/s

= 55 s

So, it took Sean 55 s to drink all the slushy.

Learn more about rate here:

brainly.com/question/8728504

#SPJ1

7 0
2 years ago
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