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Alex17521 [72]
2 years ago
6

Please help me with this

Mathematics
1 answer:
Zolol [24]2 years ago
3 0

Answer:

MN=9.1 cm

LM= 9.9 cm

Step-by-step explanation:

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The ceiling of Katie’s living room is a square that is 15 ft long on each side. To decorate for a party, she plans to hang crepe
egoroff_w [7]

Answer:

<u><em>6</em></u> rolls because the total perimeter is 102 ft and five rolls is only 100 feet. So she needs <em><u>6</u></em> rolls.

Step-by-step explanation:

to find perimeter, add up all the side lengths.

so 15*4 (it's easier than 15+15+15...)

60 ft.

now we have to use Pythagorean's Theorum to find corner to corner.

so a^2+b^2=c^2

we have a and b

15^2+15^2=c^2

do the math...

225+225= 450

square root of 450=

21.213

double that because it's used twice (corner to corner and corner to corner)

42.426

now add it all up

42.426 + 60 = 102.426

we can round

102

20*5 = 100

so she needs 6

MY ORIGINAL ERROR WAS 5, BUT 5 TIMES 20 IS ONLY 80, SO THEREFORE 6 IS REQUIRED SO THERE IS ENOUGH TO COVER 102.

6 0
3 years ago
Does anyone understand I really dont get this
Nat2105 [25]
I'm sorry hun, i suck at math. If i knew how i would help you. Have you tried looking it up?

3 0
3 years ago
The sum of two numbers is twenty-four. The difference of the two numbers is four.
RSB [31]

Answer:

x + y = 24

x - y = 4

Now, add these two equations.

You get,

2x = 28

x =  \frac{28}{2}

x = 14

Given,

x + y = 24

14 + y = 24

y = 24 - 14

y = 10

You can test this to the other equation as well.

x - y = 4

14 - 10 = 4

Hence, the two numbers are 14 and 10.

3 0
2 years ago
Preform the indicated operation.<br> 4/11 ÷ 4/9​
BartSMP [9]

Answer:

0/8

Step-by-step explanation: i tried my best

4 0
3 years ago
Read 2 more answers
Please help me please please please.
faust18 [17]
Which one you need G!?!?
4 0
3 years ago
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