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3 years ago

3/4 Multiply 2/7 simplest form

Mathematics

2 answers:

kondaur [170]3 years ago

4 0

Answer: 3/14

Step-by-step explanation:

3 * 2 = 6

4 * 7 = 28

6/28 = 3/14

Darya [45]3 years ago

3 0

Answer:

3/14

Simplified: It's already in its simplified form.

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At midnight, the temperature was 30 degrees F. By 6:00 a.m., it had dropped 5 degrees and by noon, it had increased by 11 degree

spayn [35]

Answer: 36 degrees

Step-by-step explanation:

subtract 5 from 30=25

add 11 to 25

25+11=36

3 0

3 years ago

The least common denominator of three fraction is 100. one of the fractions are 7/10. what are the other fractions.

yaroslaw [1]

The asnwer is play robl0x

5 0

2 years ago

A fishing boat travels 36 miles with the current of two hours. It travels 42 miles against the current in three hours

nikitadnepr [17]

Answer:

42 miles in 3 hours it is the answer

7 0

3 years ago

Consider the differential equation:

Wewaii [24]

(a) Take the Laplace transform of both sides:

$2y''(t)+ty'(t)-2y(t)=14$

$\implies 2(s^2Y(s)-sy(0)-y'(0))-(Y(s)+sY'(s))-2Y(s)=\dfrac{14}s$

where the transform of $ty'(t)$ comes from

$L[ty'(t)]=-(L[y'(t)])'=-(sY(s)-y(0))'=-Y(s)-sY'(s)$

This yields the linear ODE,

$-sY'(s)+(2s^2-3)Y(s)=\dfrac{14}s$

Divides both sides by $-s$ :

$Y'(s)+\dfrac{3-2s^2}sY(s)=-\dfrac{14}{s^2}$

Find the integrating factor:

$\displaystyle\int\frac{3-2s^2}s\,\mathrm ds=3\ln|s|-s^2+C$

Multiply both sides of the ODE by $e^{3\ln|s|-s^2}=s^3e^{-s^2}$ :

$s^3e^{-s^2}Y'(s)+(3s^2-2s^4)e^{-s^2}Y(s)=-14se^{-s^2}$

The left side condenses into the derivative of a product:

$\left(s^3e^{-s^2}Y(s)\right)'=-14se^{-s^2}$

Integrate both sides and solve for $Y(s)$ :

$s^3e^{-s^2}Y(s)=7e^{-s^2}+C$

$Y(s)=\dfrac{7+Ce^{s^2}}{s^3}$

(b) Taking the inverse transform of both sides gives

$y(t)=\dfrac{7t^2}2+C\,L^{-1}\left[\dfrac{e^{s^2}}{s^3}\right]$

I don't know whether the remaining inverse transform can be resolved, but using the principle of superposition, we know that $\frac{7t^2}2$ is one solution to the original ODE.

$y(t)=\dfrac{7t^2}2\implies y'(t)=7t\implies y''(t)=7$

Substitute these into the ODE to see everything checks out:

$2\cdot7+t\cdot7t-2\cdot\dfrac{7t^2}2=14$

5 0

3 years ago

A recipe for 4 loaves of bread use 3 tablespoons of honey.How much honey is needed for 24 loaves of bread?

frez [133]

Answer:

18 tablespoons of honey

Step-by-step explanation:

Since you need 3 tablespoons of honey for 3 loaves and you know you need 24 loaves you could do...

24/4 which equals 6

You can do this since there's 4 loaves made per 3 tablespoons of honey

Then you could do..

3x6

which gives you 18 tablespoons of honey

8 0

3 years ago

Read 2 more answers