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Simora [160]
3 years ago
8

Write a real world problem that can be modeled by the equation 1.25x=0.75x+50

Mathematics
1 answer:
boyakko [2]3 years ago
4 0
This is not really an equation that can be used to model anything as there is only one variable. see this.
1.25x-0.75x = 50
0.5x = 50
x=100
It can be solved and therefore does not have an input and an output required to model anything
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andre,rick,and ty were practicing for a track cycling race. andre covered a distance of 750m in 3 min. rick clocked 4 minutees f
FrozenT [24]

Answer:

Ty covered the least distance per min.

Step-by-step explanation:

Who covered the shortest distance per minute, or who rode his bike most slowly?

Andre's rate: (750 m) / (3 min) = 250/3 m/min

Rick's rate:  (800 m) / (4 min) = 200 m/min

Ty's rate:  (950 m) / (5 min) = 190 m/min

Ty was the rider who covered the least distance per minute; his rate was the slowest.

8 0
4 years ago
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I drove 380 miles using 14 gallons of gas. At this rate, how many gallons of gas would I need to drive 418 miles?
ser-zykov [4K]

Answer:

15.4 gallons .

Step-by-step explanation:

The rate of gas used  = 380/14 = 27.14 gallons per gallon.

So for each gallon used  you drive 27.14 miles.

So number of gallons used when travelling 418 miles = 418/27.14

= 15.4 gallons .


8 0
3 years ago
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Which statement is true about the equations –3x + 4y = 12 and x - y = 1?
antoniya [11.8K]

Answer:

b.the system of the equations has exactly one solution at(-4.3).

3 0
3 years ago
22.
Vlada [557]

Step-by-step explanation:

\sqrt{p}  =  \sqrt[r]{w -  {as}^{2} }

Find raise each side of the expression to the power of r

That's

<h2>( \sqrt{p} )^{r}  =  (\sqrt[r]{w -  {as}^{2} } ) ^{r}</h2>

we have

<h2>( \sqrt{p} )^{r}  =  w -  {as}^{2}</h2>

Send w to the left of the equation

<h2>( \sqrt{p} )^{r}  - w =  -{as}^{2}</h2>

Divide both sides by - a

We have

<h2>{s}^{2}  =  -\frac{( \sqrt{p} )^{r}  - w}{a}</h2>

Find the square root of both sides

We have the final answer as

<h2>s =  \sqrt{ -\frac{( \sqrt{p} )^{r} - w }{a} } </h2>

Hope this helps you

3 0
3 years ago
Which of the following problem types CANNOT be solved using the law of sines?
Harlamova29_29 [7]
Law of sines in a triangle with angles A, B, C and sides a,b,c states that 
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4 0
3 years ago
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