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pishuonlain [190]
3 years ago
14

A small theater had 9 rows of 25 chairs each. An extra 7 chairs have just been brought in. How many chairs are in the

Mathematics
1 answer:
Alchen [17]3 years ago
8 0

Answer:

232

Step-by-step explanation:

9 x 25 = 225   225 + 7 = 232

another way to find it

9 x 20 = 180   9 x 5 = 45   180 + 45 = 225 + 7 = 232

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Northside High School is having a spaghetti dinner fundraiser. In order to advertise, students place flyers on neighborhood door
-BARSIC- [3]

2 hours = 60*2 = 120 minutes

120/120 = 1

Margie handed out 1 flyer every minute

Jaxon handed 18/15 = 1.2 flyers per minute

 so Jaxon is faster

4 0
4 years ago
Read 2 more answers
20 POINTS
chubhunter [2.5K]
Answer: 2 inches, 3 inches, or 3.125 and 2.083


Explanations:
The simplest way is to take 20% of the 2.5 inches and go that much above & below 2.5 inches.

2.5 x 20% = 2.5 x 0.20 = 0.5

So 2.5 - 0.5 = 2 inches was predicted
And 2.5 + 0.5 = 3 inches was predicted.

The more complicated way is to see number + 20% of that number = 2.5, and what number - 20% = 2.5.

Which solution sounds more like what you’re doing in class right now?

If it’s the more complicated way:

0.8x = 2.5 (80% of the predicted rain value equals 2.5)
x = 3.125 inches was predicted

1.2x = 2.5 (120% of the predicted rain value equals 2.5)
x = 2.083 inches was predicted

Sorry, this is probably confusing. Let me know what questions you have.
6 0
3 years ago
A cuboid has side lengths 3cm, 4cm and 7cm. A cylinder with a height double that of the longest side of the cuboid has the same
mart [117]

Step-by-step explanation:

Longest side of cuboid: 7cm

Height of cylinder:

2 × 7 = 14 cm

Volume of cuboid:

7x3x4=84cm^3

Volume of cylinder:

84=14\pi r^2 \\r=\sqrt{\frac{6}{\pi} }  \ \ \  cm\\r=1.38 \ cm\\

Surface area of the cylinder:

\pi r^2 + 2 \pi r h

6+2\pi (\sqrt{\frac{6}{\pi} } ) (14)

=128 cm^2

4 0
3 years ago
Which ordered pair is the solution to the system of linear equations y = -7x + 2 and y = 9x - 14?
lisabon 2012 [21]
Y = -7x + 2
y = 9x - 14

-7x + 2 = 9x - 14
14 + 2 = 9x + 7x
16 = 16x
1 = x

y = -7x + 2
y = -7(1) + 2
y = -7 + 2
y = -5

solution is : (1,-5) <==
4 0
3 years ago
Read 2 more answers
1. Given ΔQRS (is congruent to) ΔTUV, QS = 3v + 2 and TV = 7v - 6, find the length of QS and TV. Provide a detailed response bel
Morgarella [4.7K]
Because ΔQRS is congruent to <span>ΔTUV, the the segments GS and TV are also congruent due to the letter order (Q and T are first and S and V are 3rd.) Since they are congruent QS=TV. So 3v + 2 = 7v - 6
</span><span>
</span><span>Work: 
</span>3v + 2 = 7v - 6
      +6          +6
3v + 8=7v
-3v       -3v
<u>8</u> = <span><u>4v</u>
</span>4      4
2 = v

3(2) + 2 = GS
6+2 = GS
8 = GS

7(2) - 6 = TV
14-6=TV
8 = TV

Final Answer: 8=QS and 8=TV

 
3 0
3 years ago
Read 2 more answers
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