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Arlecino [84]
3 years ago
11

John will paint the four walls of his rectangular basement. The basement measures 10 feet long, 13 feet wide, and 8 feet high an

d has no windows. The door into the room measures 3 feet by 7 and will not be painted. How many square feet of wall will John paint?
Mathematics
1 answer:
Svetlanka [38]3 years ago
3 0

Answer:

D. 1,019 square feet

Step-by-step explanation:

10x13x8 - 3x7

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A cube has a surface area of 486 cm2. What is the side length ?
astraxan [27]
A Cube, has all equal sides, namely, the length, width and height
are all equal to each other

so..  notice the picture added here
you have really, 6 squares, stacked up to each other at the edges

so...what is the Area of one of those squares?
well, if the sides are equal, let's say the side is "x" long, then
the Area is x\cdot x \implies x^2

well, you have 6 of those squares, thus \bf \textit{surface area of a cube}=
\begin{cases}
(x\cdot x)+\\
(x\cdot x)+\\
(x\cdot x)+\\
(x\cdot x)+\\
(x\cdot x)+\\
(x\cdot x)\\
 --------------\\
 x^2+x^2+x^2+x^2+x^2\\
6x^2
\end{cases}
\\\\
\textit{we know the Area is }486\ cm^2\qquad thus
\\\\
\textit{surface area}=6x^2\implies 486=6x^2

solve for "x", to get one side's length

3 0
3 years ago
A rectangular prism with a square base has a volume of 120 cubic feet. The base is 8 feet on each side. What is the height of th
Lelechka [254]

15feet

Step-by-step explanation: 120/8=15

pls give brainliest

3 0
3 years ago
Karen is studying the relationship between the time spent exercising per day and the time spent outside per day and has collecte
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56.38=

Step-by-step explanation:

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3 years ago
The triangles shown are similar. which side of triangle JGH corresponds to PM of trangle PMO
lisabon 2012 [21]

Answer:

ok for one if you dont know the answer or u need a picture dont use the answering box to say that and for two what i said before so in conculdsion dont try gettig points by not putting an answer its pretty anoying

and the answer is JG OR B on edgenuety

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Can I have help with 6, please? (ignore my doodle :)) Thanks so much!!
Leya [2.2K]
1x+1x+2x=180
4x=180
x=45
45:45:90
Hope this helps!
6 0
3 years ago
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