3 years ago

What is the answer???scientific notation 4^5x4^3

Mathematics

1 answer:

sveticcg [70]3 years ago

5 0

6.5536 × 10^4 is the answer in scientific notation form

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66) A farmhouse shelters 13 animals. Some are cows and some are chickens. Altogether there are 38

yuradex [85]

Answer:

9 cows and 1 chicken ( plz help me)

Step-by-step explanation:

6 0

3 years ago

How do you integrate arctan(x dx? i think that if you simplify the integral you get:?

Temka [501]

Integration by parts will help here. Letting $u=\arctan x$ and $\mathrm dv=\mathrm dx$ , you end up with $\mathrm du=\dfrac{\mathrm dx}{1+x^2}$ and $v=x$ . Now

$\displaystyle\int\arctan x\,\mathrm dx=uv-\int v\,\mathrm du$
$\displaystyle\int\arctan x\,\mathrm dx=x\arctan x-\int\frac x{1+x^2}\,\mathrm dx$

For the remaining integral, setting $y=1+x^2$ gives $\dfrac{\mathrm dy}2=x\,\mathrm dx$ , so

$\displaystyle\int\frac x{1+x^2}\,\mathrm dx=\frac12\int\frac{\mathrm dy}y=\frac12\ln|y|+C=\frac12\ln(1+x^2)+C$

Putting everything together, you end up with

$\displaystyle\int\arctan x\,\mathrm dx=x\arctan x-\frac12\ln(1+x^2)+C$

6 0

3 years ago

125% of what number is 50?<br> 125% of is 50.<br> (Type a whole number.)

horsena [70]

Answer:

i thinkkk 40

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4 0

3 years ago

PLEASE HELP!

erastova [34]

Answer:

15 mph

Step-by-step explanation:

28mi=2 1/3

2 1/3 = 2 hrs 20min

110min

28/110=.254 mi per min

.25*60=15 mi per hrs

8 0

2 years ago

What is the area of the figure on the coordinate plane below?

Alex787 [66]

Answer:

A 144units ^ 2

Step-by-step explanation:

5 0

3 years ago

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