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egoroff_w [7]
2 years ago
10

Micah walks on a treadmill at 4 miles per hour. He has walked 2 miles when Luke starts running at 6 miles per hour on the treadm

ill next to him. If their rates continue, will Luke's distance ever equal Micah's distance? Explain.
Mathematics
2 answers:
STALIN [3.7K]2 years ago
8 0

Answer:

No

Step-by-step explanation:

they dont go any distance because it is a treadmill

motikmotik2 years ago
3 0

Answer: Yes, at the 1st hour and 6th mile.

Step-by-step explanation:

If x= The number of hours and y= The number of miles, then the system of equations is \left \{ {{y=4x+2} \atop {y=6x}} \right.where Micah is the first equation and Luke is the second.

Solve by Substitution:

1) Solve y=4x+2 for y:

y=4x+2

2) Substitute 4x+2 for y in y=6x:

y=6x

4x+2=6x

3) Add -6x to both sides:

4x+2+-6x=6x+-6x

4) Simplify both sides of the equation:

-2x+2=0

5) Add -2 to both sides:

-2x+2+-2=0+-2

6) Simplify both sides of the equation:

-2x=-2

7) Divide both sides by -2:

\frac{-2x}{-2} =\frac{-2}{-2}

8) Simplify both sides of the equation:

x=1

9) Substitute 1 for x in y=4x+2:

y=4x+2

y=(4)(1)+2

10) Simplify both sides of the equation:

y=6

Therefore, They meet at the 1st hour at the 6th mile

Solve by elimination:

You can't solve the system of equations by elimination

Solve by graphing:

They cross at (1, 6), which supports my answer.

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zhenek [66]

Answer:

2

Step-by-step explanation:

(\frac{3}{4})^6 \times (\frac{16}{9})^5=(\frac{4}{3})^{x+2}

\frac{3^6}{4^6} \cdot \frac{16^5}{9^5}=\frac{4^{x+2}}{3^{x+2}}

\frac{3^6}{4^6} \cdot \frac{(4^2)^5}{(3^2)^5}=\frac{4^{x+2}}{3^{x+2}}

\frac{3^6}{4^6} \cdot \frac{4^{10}}{3^{10}}=\frac{4^{x+2}}{3^{x+2}}

\frac{3^6}{3^{10}} \cdot \frac{4^{10}}{4^6}=\frac{4^{x+2}}{3^{x+2}}

3^{-4} \cdot 4^{4}=4^{x+2}3^{-(x+2)}

This implies

x+2=4

and

-(x+2)=-4.

x+2=4 implies x=2 since subtract 2 on both sides gives us x=2.

Solving -(x+2)=-4 should give us the same value.

Multiply both sides by -1:

x+2=4

It is the same equation as the other.

You will get x=2 either way.

Let's check:

(\frac{3}{4})^6 \times (\frac{16}{9})^5=(\frac{4}{3})^{2+2}

(\frac{3}{4})^6 \times (\frac{16}{9})^5=(\frac{4}{3})^{4}

Put both sides into your calculator and see if you get the same thing on both sides:

Left hand side gives 256/81.

Right hand side gives 256/81.

Both side are indeed the same for x=2.

4 0
3 years ago
Whoever gets it right gets brainlyess answer:)
soldi70 [24.7K]
8 people prefer pepperoni because 50 people times .16 is 8
6 0
3 years ago
What is the solution to the system of equations
ExtremeBDS [4]

Answer:

Y = 2

X = 3

Step-by-step explanation:

Substitution:

6(4y-5) - y = 16

24y-30-y=16

23y=46

Y = 2

So then:

6x-2 = 16

6x = 18

X = 3

8 0
2 years ago
The students in Brenna's grade voted to select a guest speaker. 15 students voted for a
DochEvi [55]

Answer:

25% of students voted for the athlete

Step-by-step explanation:

First you need to know how many students are in total. In this case there is 60, 15+45

Then you write it as a fraction

\frac{15}{60}

because 15 voted for athlete out of the 60 students.

After this you need to divide 15÷60 which is . 25 then you transform that number into a percent which is 25%

5 0
3 years ago
Can some one help me with this
Tomtit [17]

Answer:

The answer would be 864 feet squared.

5 0
3 years ago
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