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Luda [366]
4 years ago
15

your are traveling down an interstate averaging 50mph how much time has passed when you have traveled 120 miles

Mathematics
1 answer:
dusya [7]4 years ago
4 0

\bf \begin{array}{ccll}
miles&hours\\
\cline{1-2}
50&1\\
120&h
\end{array}\implies \cfrac{50}{120}=\cfrac{1}{h}\implies h=\cfrac{120\cdot 1}{50}\implies \stackrel{\textit{2 hours and 24 minutes}}{h=2.4}

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Translate this sentence into an equation.
vodomira [7]

Answer:

3x-x+2=4

Step-by-step explanation:

4 0
3 years ago
There is a correlation between higher education and greater degrees of both income and job stability. What is one downside of co
pickupchik [31]
Hi there!!! :D

There is a correlation between higher education and greater degrees of both income and job stability. What is one downside of continuing education thatmight cause someone to choose not to seek a higher level of education despite the benefits?

a. If you have too much income, you will reach your goals too quickly. 

b. Most employers feel that pursuing a college degree shows a lack of decisiveness or conviction compared to diving straight into the workforce. 

c. Higher education can be expensive, and most students who seek degrees must accept some burden of debt. 

d. Getting a degree in one subject can disqualify you from getting a job in another field.

Answer: D

3 0
3 years ago
Read 2 more answers
(0,8) is the ONLY solution to the system of equations:
Alja [10]

Answer:

False, there are infinite solutions

Step-by-step explanation:

Try solving this

3y - 6x = 24

8 + 2x = y

3(8 + 2x) - 6x = 24

24 + 6x - 6x = 24

24 = 24  true

4 0
3 years ago
Solve the Differential equation 2(y-4x^2) dx + x dy = 0
padilas [110]

Assume a solution of the form \Psi(x,y)=C. Taking the differential of both sides would give the ODE

\Psi_x\,\mathrm dx+\Psi_y\,\mathrm dy=0

where \Psi_x=2y-8x^2 and \Psi_y=x. The ODE is exact if \Psi_{xy}=\Psi_{yx}. We have

\Psi_{xy}=(2y-8x^2)_y=2

\Psi_{yx}=(x)_x=1

so the ODE is not exact. However, multiplying both sides by x gives

(2xy-8x^3)\,\mathrm dx+x^2\,\mathrm dy=0

and now

(x\Psi_x)_y=(2xy-8x^3)_y=2x

(x\Psi_y)_x=(x^2)_x=2x

so the ODE is now exact.

Now,

\Psi_x=2xy-8x^3\implies \Psi(x,y)=x^2y-2x^4+f(y)

\Psi_y=x^2=x^2+f_y\implies f_y=0\implies f(y)=C

So the ODE has solution

\Psi(x,y)=x^2y-2x^4+C=C

or simply

\boxed{x^2y-2x^4=C}

3 0
4 years ago
Mr. Coker drove 42 miles in 50 minutes. At this rate, how many miles did he drive in 5 minutes?
Artyom0805 [142]
The correct awnser should be 8.4.
7 0
3 years ago
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