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tester [92]
3 years ago
11

What is the are of the walls and cellings ? & what is the area of the window? How many cans o paint should she buy ?

Mathematics
1 answer:
nignag [31]3 years ago
3 0

hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

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Mr. Hawkins is covering a wall with wallpaper. The wall is a rectangle and measures 14 feet by 12 feet. Each square foot of wall
ELEN [110]

Answer:

$487.2

Step-by-step explanation:

you multiply 14 and 12 then you get the answer of 168 and multiply that with $2.90 then you get the answer of $487.2.

3 0
3 years ago
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Your neighbor asks you to feed her cat and water her plants while she is on vacation. she pays you c dollars to feed her cat per
Dmitry [639]

Answer:

cx + wx

Step-by-step explanation:

6 0
3 years ago
Is -1.125 a real number?
pochemuha
-1.125=-1\frac{125}{1000}=-1\frac{1}{8}\ is\ real\ number
7 0
3 years ago
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5. Find the general solution to y'''-y''+4y'-4y = 0
CaHeK987 [17]

For any equation,

a_ny^(n)+\dots+a_1y'+a_0y=0

assume solution of a form, e^{yt}

Which leads to,

(e^{yt})'''-(e^{yt})''+4(e^{yt})'-4e^{yt}=0

Simplify to,

e^{yt}(y^3-y^2+4y-4)=0

Then find solutions,

\underline{y_1=1}, \underline{y_2=2i}, \underline{y_3=-2i}

For non repeated real root y, we have a form of,

y_1=c_1e^t

Following up,

For two non repeated complex roots y_2\neq y_3 where,

y_2=a+bi

and,

y_3=a-bi

the general solution has a form of,

y=e^{at}(c_2\cos(bt)+c_3\sin(bt))

Or in this case,

y=e^0(c_2\cos(2t)+c_3\sin(2t))

Now we just refine and get,

\boxed{y=c_1e^t+c_2\cos(2t)+c_3\sin(2t)}

Hope this helps.

r3t40

5 0
3 years ago
Express<br> as a unit rate. <br><br> Betty drives her car 150 km in 2 h. Explain
Lena [83]

Answer:

<h2>75 km per hour</h2>

Step-by-step explanation:

\frac{150km}{2hr} divided by two is \frac{75km}{1hr}.

8 0
2 years ago
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