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alukav5142 [94]
3 years ago
5

Find the LCM ( least common multiple ) of 8, 12, and 16.

Mathematics
2 answers:
abruzzese [7]3 years ago
6 0

the answer for find the lcm of 8,12 and 16 is answer a.48

 

spayn [35]3 years ago
6 0

Answer: the answer is 24

Step-by-step explanation:

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My age if I am half as old as two more than twice Mack's age if Mack is m years old.
pentagon [3]

Answer:

You are m + 1 years old.

Step-by-step explanation:

Let's say that you are x years old, and Mack is m years old.

x = 1/2( two plus twice m)

x = 1/2(2 + 2m)

x = 1 + m

x = m + 1

Hope this helps!

6 0
3 years ago
Read 2 more answers
Really never learned this
kykrilka [37]

The perimeter of a two-dimensional figure is always the sum of its sides.

The exercise mat has a perimeter (P) of <u>36 feet</u>. ...

Let length be <em>L</em>, and width be <em>W</em>.

P = 36

L = 2w

P=2(l+w)=2·(12+6)=36

L = 12 feet

W = 6 feet

8 0
2 years ago
Need help with this
Vesna [10]

Answer:

the answer is c

Step-by-step explanation:

the answer is c

6 0
3 years ago
Read 2 more answers
Solve the following System of Equations<br> 5x+4y-z=1<br> 2x-2y+z=1<br> -x-y+z=2
podryga [215]

Answer:

x = 0 , y = 1 , z = 3

Step-by-step explanation:

Solve the following system:

{5 x + 4 y - z = 1 | (equation 1)

2 x - 2 y + z = 1 | (equation 2)

-x - y + z = 2 | (equation 3)

Subtract 2/5 × (equation 1) from equation 2:

{5 x + 4 y - z = 1 | (equation 1)

0 x - (18 y)/5 + (7 z)/5 = 3/5 | (equation 2)

-x - y + z = 2 | (equation 3)

Multiply equation 2 by 5:

{5 x + 4 y - z = 1 | (equation 1)

0 x - 18 y + 7 z = 3 | (equation 2)

-x - y + z = 2 | (equation 3)

Add 1/5 × (equation 1) to equation 3:

{5 x + 4 y - z = 1 | (equation 1)

0 x - 18 y + 7 z = 3 | (equation 2)

0 x - y/5 + (4 z)/5 = 11/5 | (equation 3)

Multiply equation 3 by 5:

{5 x + 4 y - z = 1 | (equation 1)

0 x - 18 y + 7 z = 3 | (equation 2)

0 x - y + 4 z = 11 | (equation 3)

Subtract 1/18 × (equation 2) from equation 3:

{5 x + 4 y - z = 1 | (equation 1)

0 x - 18 y + 7 z = 3 | (equation 2)

0 x+0 y+(65 z)/18 = 65/6 | (equation 3)

Multiply equation 3 by 18/65:

{5 x + 4 y - z = 1 | (equation 1)

0 x - 18 y + 7 z = 3 | (equation 2)

0 x+0 y+z = 3 | (equation 3)

Subtract 7 × (equation 3) from equation 2:

{5 x + 4 y - z = 1 | (equation 1)

0 x - 18 y+0 z = -18 | (equation 2)

0 x+0 y+z = 3 | (equation 3)

Divide equation 2 by -18:

{5 x + 4 y - z = 1 | (equation 1)

0 x+y+0 z = 1 | (equation 2)

0 x+0 y+z = 3 | (equation 3)

Subtract 4 × (equation 2) from equation 1:

{5 x + 0 y - z = -3 | (equation 1)

0 x+y+0 z = 1 | (equation 2)

0 x+0 y+z = 3 | (equation 3)

Add equation 3 to equation 1:

{5 x+0 y+0 z = 0 | (equation 1)

0 x+y+0 z = 1 | (equation 2)

0 x+0 y+z = 3 | (equation 3)

Divide equation 1 by 5:

{x+0 y+0 z = 0 | (equation 1)

0 x+y+0 z = 1 | (equation 2)

0 x+0 y+z = 3 | (equation 3)

Collect results:

Answer: {x = 0 , y = 1 , z = 3

3 0
3 years ago
The supermarket has 40 aisles. 5% are empty, without any shoppers. How many empty aisles are there in the supermarket?
GREYUIT [131]

didn't know how to workout iam only 3rd standard

3 0
2 years ago
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