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3 years ago

28. Area Rug' A circular area rug has a radius of

Mathematics

2 answers:

Alex3 years ago

5 0

28.27 would be your area

Hope this helps

-Zayn Malik

Slav-nsk [51]3 years ago

5 0

Answer:

28.274 sq ft

Step-by-step explanation:

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PLZ HELP! 30 POINTS!

bonufazy [111]

The best way to solve this is to find a common denominator! Don't worry, it's super easy

Take 4 1/5 and change it to a single fraction by multiplying 5(4) and adding the 1, then put it over 5 again. This gives you 21/5, which is equal to 4 1/5.

Then do the same thing with 2 1/2:
2(2) +1 over 2= 5/2.

The problem is asking you to subtract. So 21/5- 5/2.

So how can you subtract that? Easy: common denominators!
The smallest number that is divisible by both 2 and 5 is 10, so you want both numbers to have 10 on the bottom.

To do this, multiply 21/5 by 2/2 (Note: 2/2 is equal to 1, so you are not changing the value of the fraction, you're only changing how it is written).
This is 42/10.

Then multiply 5/2 by 5/5 for 25/10.

NOW you can finally subtract!

42/10 - 25/10 = 17/10

17/10 is your answer!!

(Think 42-25/10 if you're confused on how to subtract Fractions)

5 0

4 years ago

Read 2 more answers

Find an explicit solution of the given initial-value problem.dy/dx = ye^x^2, y(3) = 1.

tamaranim1 [39]

Answer:

$y=exp(\int\limits^x_4 {e^{-t^{2} } } \, dt)$

Step-by-step explanation:

This is a separable equation with an initial value i.e. y(3)=1.

Take y from right hand side and divide to left hand side ;Take dx from left hand side and multiply to right hand side:

$\frac{dy}{y} =e^{-x^{2} }dx$

Take t as a dummy variable, integrate both sides with respect to "t" and substituting x=t (e.g. dx=dt):

$\int\limits^x_3 {\frac{1}{y} } \, \frac{dy}{dt} dt=\int\limits^x_3 {e^{-t^{2} } } dt$

Integrate on both sides:

$ln(y(t))\left \{ {{t=x} \atop {t=3}} \right. =\int\limits^x_3 {e^{-t^{2} } } \, dt$

Use initial condition i.e. y(3) = 1:

$ln(y(x))-(ln1)=\int\limits^x_3 {e^{-t^{2} } } \, dt\\ln(y(x))=\int\limits^x_3 {e^{-t^{2} } } \, dt\\$

Taking exponents on both sides to remove "ln":

$y=exp (\int\limits^x_3 {e^{-t^{2} } } \, dt)$

7 0

3 years ago

Jarell Tarver invested $20,000 in the Boyd Kern Mutual Fund (Type A). The net asset value is $21.34 per share. The fund is front

fgiga [73]

Answer:

Ok To tell the truth My honest answer is 20026.59

Step-by-step explanation:

I say this because at the end it says how Many shares di Jarrell purchased so you suppose to add so 20,000 then 21.34 then do 5.25 so that's how u got that answer I hope that's correct I'm sorry if it's not I'm not a big fan of math I believe in you tho

6 0

2 years ago

4. ABCD below is a rectangle. BE=6x+2 and ED=4x+6. Find the length of AC.

Nikolay [14]

Answer:

28 units

Step-by-step explanation:

ABCD is a rectangle. AC and BD are diagonals intersecting at point E.

Diagonals of a rectangle bisect each other.

$\therefore BE = ED$