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Nina [5.8K]
3 years ago
12

How can patterns help me divide multiples of 10

Mathematics
2 answers:
Anton [14]3 years ago
8 0
When you lay them out then you know what you are dividing
Aliun [14]3 years ago
6 0
Dividing a number by 10 is probably the easiest thing to do, you just need to follow these rule :

1. If the number that has zero divided by 10, you just need to take out 1 zero
Example : 200 : 10  = 20

2. If the number that doesn't has zero divided by 10, you just need to put a comma in front of the last number
For example : 1998 : 1  = 199.8

hope this helps
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Solve 5(x+9) - 4 = 71 for x
MrRissso [65]
Solving for x you would get X=6
7 0
3 years ago
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Help asap !! will get branliest.​
kompoz [17]

Answer:

0.8

Step-by-step explanation:

(2 x 10^-4)

= 0.0002

(4x10^3)

= 4000

0.0002 x 4000 = 0.8

7 0
3 years ago
Solve the equation : 4x-(-2)=18
djyliett [7]

\large\boxed{ \sf{Answer}}

4x - ( - 2) = 18 \\ 4x + 2 = 18 \\ 4x = 18 - 2 \\ 4x = 16 \\ x =  \frac{16}{4}  \\ x = 4

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7 0
2 years ago
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Henry takes 1 hour to drive to work and 1 hour to drive home. if he works 5 days a week, how many hours does he spend driving to
alisha [4.7K]

Answer:

Step-by-step explanation:

Time taken to drive to work = 1 hr

Time taken to drive home = 1 hr

Time taken to drive from home to work and back home again ( IN ONE DAY)

=1 + 1 = 2hrs

So time taken for driving to and from work for 5 days = 2hrs × 5 days = 10 hrs .

6 0
3 years ago
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Can someone please help me with 21-24 and explain/ show how you got the answer?
oksano4ka [1.4K]
The solution (x,y) needs to work in both equations. With multiple choice you can do guess and test method. Otherwise you need to combine the two equations into one by substitution or elimination methods.

21. substitution works well here since one equation is y= x+3. you can easily substitute the (x+3) for y in the other equation.
2x + (x+3) = -6
3x + 3 = -6
3x = -9
x = -3
use this in either equation to find y.
y = (-3)+3
solution: (-3,0)

22. these both equal y so they equal each other.
4x - 1 = 3x +6
4x - 3x = 6 + 1
x = 7
use this in either equation to find y
y = 4(7) - 1
y = 28 - 1
y = 27
solution: (7,27)

23. one equation is y = 2x - 3. So substitute (2x -3) for y in the other equation.
4x = 2(2x - 3) + 6
4x = 4x - 6 + 6
4x = 4x
x = x
any solution will work, infinitely many.

24. infinitely many solutions means the two equations are the same equation. Like the previous one they didn't look the same but if you put them both in terms of y...
y= 2x-3
4x = 2y + 6
4x - 6 = 2y
(4x - 6)/2 = y
2x - 3 = y
same equation.

from the image, I can't see all options but A & C do not look like the same equations. It's got to be either B or D.

3 0
3 years ago
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