3 years ago

3. During a particular year, 42 graduating boys chose to attend a 4-year college,

Mathematics

1 answer:

Mama L [17]3 years ago

3 0

Answer:

girls are more likely to choose a 4-year college, while boys are more likely to choose a 2-year college

Step-by-step explanation:

hope this helps :]

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Steve built a rectangular table that is 72 inches long and has a perimeter of 240 inches. What is the width of Steve's table? P

crimeas [40]

2(l+w)=P
72 x 2= 144
240 - 144= 96
96/2= 48
your answer would be 48in.
<u>check
</u>2(72+48)= 240
144+96= 240
240=240

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3 years ago

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A construction company delivered 40 loads of concrete in 5 days.

AnnZ [28]

Well 40 divided by 5 is 8 and you don't have options so I would say 8 loads a day :)

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There are about 6,600,000,000 people living in the world. the male to female ratio is 107 to 100. about how many males are there

seropon [69]

3,300,000,000 would be you answer so A.

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4 years ago

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To find the quotient Start Fraction 5 Over 7 End Fraction divided by one-third,

posledela

Answer:

its C.

Step-by-step explanation:

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3 years ago

Solve the given differential equation by using an appropriate substitution. The DE is a Bernoulli equation.

Mama L [17]

Multiplying both sides by $y^2$ gives

$xy^2\dfrac{\mathrm dy}{\mathrm dx}+y^3=1$

so that substituting $v=y^3$ and hence $\frac{\mathrm dv}{\mathrm dv}=3y^2\frac{\mathrm dy}{\mathrm dx}$ gives the linear ODE,

$\dfrac x3\dfrac{\mathrm dv}{\mathrm dx}+v=1$

Now multiply both sides by $3x^2$ to get

$x^3\dfrac{\mathrm dv}{\mathrm dx}+3x^2v=3x^2$

so that the left side condenses into the derivative of a product.

$\dfrac{\mathrm d}{\mathrm dx}[x^3v]=3x^2$

Integrate both sides, then solve for $v$ , then for $y$ :

$x^3v=\displaystyle\int3x^2\,\mathrm dx$

$x^3v=x^3+C$

$v=1+\dfrac C{x^3}$

$y^3=1+\dfrac C{x^3}$

$\boxed{y=\sqrt[3]{1+\dfrac C{x^3}}}$

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3 years ago