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iren [92.7K]
3 years ago
11

Find the LCM of these numbers: 18, 27

Mathematics
1 answer:
Nastasia [14]3 years ago
4 0

The answer is 54 hope this helps

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What is the surface area of the rectangular prism described by the net below?
dimaraw [331]

Answer:

758

Step-by-step explanation:

758 is the answer sheesh

6 0
2 years ago
Read 2 more answers
Find the value of n:<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B10%7D%7Bn%7D%20%3D%5Cfrac%7B15%7D%7B6%7D" id="TexFormula1"
Arturiano [62]
4. Cross multiply (10•6) (15•n) 15n=60 you do the opposite operation so instead of multiply 15•n you divided 15 from n. And what u do on one side u do on both. So divide 15 from 60 and u get 4.
7 0
1 year ago
I think it’s A but again i’m not sure.
Gnoma [55]
M∠BDC=half the arc it faces=1/2 of 54=27
BD is the diameter, so m∠C=90
m∠DBC=180-90-27=63
6 0
3 years ago
A sample of 14 high school seniors are asked, " how many hours a week do you work?". Their responses are below.
Rainbow [258]
  • The mean of the number of hours worked by these students is 14 hours.
  • The median is 12.5 hours.

The mean is the sum of all the hours listed divided by the number of seniors asked:

= ( 0 + 0 + 0 + 8 + 8 + 10 + 12 + 13 + 15 + 15 + 17 + 20 + 22 + 56) / 14

= 196 / 14

= 14 hours

The mean number of hours is 14 hours.

The median

Because the number of student interviewed is an even number, the median is calculated by taking the average of the two numbers in the middle.

<em>The numbers are ⇒ 12, 13</em>

Median is therefore :

= ( 12 + 13) /2

= 12.5 hours  

In conclusion, the mean is 14 hours and the median is 12.5 hours.

<em>Find out more at brainly.com/question/11284383</em>

4 0
2 years ago
9x^2-25<br> Yea, it confused me too I need this explained to me pls and thank you.<br>​
Veseljchak [2.6K]

Answer:

What this is is factoring and these are both perfect squares.

(3x-5)(3x+5) is the answer.

Step-by-step explanation:

First we take the 9x^2-25 and split in in two statements

(3x-5) (3x+5)

then foil to check it

first side: 3x*3x=9x^2

outside: 3x*5=15x

inside: -5*3x=-15x

last: -5*5=-25

then put it together

9x^2+15x-15x-25

the 15x and -15x cancel each other out so you're left with 9x^2-25

4 0
2 years ago
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