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storchak [24]
3 years ago
7

X2 - 1 In Out 5 9 -3 -7 7 -20

Mathematics
1 answer:
DerKrebs [107]3 years ago
4 0

Answer:

|4| = |7|

this is the answer of this question

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Can someone explain step by step how to do this. Thanks
lakkis [162]
Hi there! The answer is k = 16

To find our answer we only need to collect the terms. In other words: we need to subtract all the values of k.

Example:
18k - 11k = 7k

If you don't get this, you can try to understand it by using a story: in a cage, there are 18 koalas, 11 of them leave. How many are left?

18 koalas - 11 koalas = 7 koalas
18 k - 11 k = 7 k

Now we keep doing this again and again to find our final answer:

18k - 11k - 4k - 2k = 16 \\ 7k - 4k - 2k = 16 \\ 3k - 2k = 16  \\ 1k = 16 \\ k = 16

~Hope this helps you!
4 0
4 years ago
How many almonds are in the bag?
rodikova [14]
69420
Almonds in hypothetical bag of which we cannot see
6 0
3 years ago
‘I-Moons’ charges $12 per album downloaded and an initial joining fee of $3. ‘I-Toons’ Charges $10 per album downloaded and a jo
katrin2010 [14]

Answer:

y = 3 + 12x - - - (1)

y = 9 + 10x - - - (2)

3 albums

$39

Step-by-step explanation:

Let number of download = x

Given :

I-moon :

Initial joining fee = $3

Cost per download = $12

Hence,

y = 3 + 12x - - - (1)

I - Toons :

Initial joining fee = $9

Cost per download = $10

y = 9 + 10x - - - (2)

For cost to be the same ;

Equate (1) and (2)

3 + 12x = 9 + 10x

Collect like terms

3 - 9 = 10x - 12x

-6 = - 2x

x = 3

It will take 3 albums

Cost :

3 + 12(3)

3 + 36 = 39

7 0
3 years ago
BADLY NEEDED PAKISAGOT PLEASE​
NARA [144]

Answer:

6th Day = 62

12th Day = 122

15th Day = 152

Step-by-step explanation:

y = 10x + 2

y = 10(6) + 2

y = 60 + 2

y = 62

y = 10x + 2

y = 10(12) + 2

y = 120 + 2

y = 122

y = 10x + 2

y = 10(15) + 2

y = 150 + 2

y = 152

7 0
3 years ago
Wat are the values of X and Y ?
Zolol [24]

Answer:

What class is this? If I know the class, I will be able to help further.

Step-by-step explanation:

3 0
3 years ago
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