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Crank
3 years ago
5

Write a story problem to go with the multiplication problem 4 x 2/3 then solve the problem.

Mathematics
2 answers:
IceJOKER [234]3 years ago
6 0

Story:

There is a tank that can fill 4 liters of water. The 2/3 of the tank has been filled with water. How much liters have the tank filled with water?

Solution of story:

<u>We know that:</u>

  • Tank = 4 liters
  • 2/3 x 4 = Water filled in tank

Multiply both the terms to get the answer.

<u>Solution:</u>

  • 2/3 x 4 liters
  • => 8/3 liters = 2 2/3 liters

Hence, 2 2/3 liters has been filled with water.

Hoped this helped.

galina1969 [7]3 years ago
3 0

A. person can do 2/3 of work a day how many times can he do that work in 4days?

Solution:-

Just multiply numerator with numerator and denominator with denominator.

\\ \tt\hookrightarrow 4\times \dfrac{2}{3}

\\ \tt\hookrightarrow \dfrac{4(2)}{3}

\\ \tt\hookrightarrow \dfrac{8}{3}

\\ \tt\hookrightarrow 2\dfrac{2}{3}

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2x2 + 2x-4?
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Answer:

2x^2 +2x-4
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Use a^2-2ab+b^2=(ab)^2

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X*(x+2)-(x-2)
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6 0
3 years ago
A motorcyclist leaves City A and rides at a constant speed towards City B, which is 225 km away. After 1.5 hours, the motorcycli
rewona [7]

Answer:

50 km/hr

Step-by-step explanation:

OK, this is how I solved this problem.

Let r = original rate of speed

     t = time after the stop to finish the trip

Time for trip without stopping is 225/r

(1)     1.5 + .5 + t = 225/r      This is a time equation

(2)    1.5r + t(r + 10) = 225     This is a distance equation

(1)       2 + t = 225/r            (2)      1.5r + tr + 10t = 225

         2r + tr = 225

                tr = 225 - 2r                 1.5r + 225 - 2r + 10(225/r - 2) = 225

                t = 225/r - 2

                                                   -.5r + 225 + 2250/r - 20 = 225

                                                     -5r + 2250 + 22500/r - 200 = 2250

                                                     -5r^2 + 2250r + 22500 - 200r = 2250r

                                                       5r^2 + 200r - 22500 = 0

                                                       5(r^ + 40r - 4500) = 0

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                                                                 r = 50   or    r = -90

The rate cannot be negative, so the original speed 50 km/hr

This not an easy problem and I hope you were able to follow my work

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antiseptic1488 [7]
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