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Sveta_85 [38]
3 years ago
11

show that the the product of the first two numbers 28,48 of that stem is equal to the product of their LCM and HCF

Mathematics
1 answer:
Oliga [24]3 years ago
5 0

Answer:

HCF is 4

LCM is 336

Step-by-step explanation:

2/28 , 48

2/14 , 24

2/7 , 12

2/7 , 6

3/7 , 3

7/7 , 1

1 , 1

HCF is 2 × 2 =4

LCM is 2 × 2 × 2 × 2 × 3 × 7 = 336

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stepan [7]
65...................
3 0
3 years ago
20. Solve the equation. Show your work. 45 = 3b + 69
valkas [14]
1. 3b + 69 = 45
2. 3b = 45 - 69
3. 3b = -24
4. 3b/3 = -24
5. b = -24/3
6. b = -8
answer is b = -8
8 0
3 years ago
Translate the following sentence into an equation using n for the unknown number. Then solve for n. when 15 is decreased by thre
saw5 [17]

Answer:

n=-2,A

Step-by-step explanation:

15-3n=21

-3n=21-15

-3n=6

n=6/-3

=-2

5 0
3 years ago
-5x+7+2x-13<9 Please Explain
olganol [36]
Ok the answer is -5 less than 9 which is true lol


Anyways here’s how I got the answer

-5+7+2x-13 less than 9

Combine like terms in this case it’s -5 and 2, and the other is 7 and -13

-5+2= -3
7-13= -6

Ok now that that’s done here’s the next step

-3x-6 less than 9 solve it


-3x-6 < 9
+6< +6

-3x < 15



Now from there you divide then so
-3x/3 cancels out, and 15/-3 = -5
X=-5

And so -5<9 :) hope this helped!! I will also include a picture of my work (please exult messiness lol)

8 0
3 years ago
Please help right now please
const2013 [10]

Answer:

A or 24

Step-by-step explanation:

In PEMDAS you do the steps from left to right in the name.

So first, you do 3 * x and x = 6 so 3  * 6 which is 18.

then 18 + y and y = 8 so 26

26 minus 2 is 24.

Hope this helped~ ^-^

4 0
3 years ago
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