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lyudmila [28]
3 years ago
9

Seven less than a number is 15

Mathematics
2 answers:
Vaselesa [24]3 years ago
7 0

Answer:

22

Step-by-step explanation:

okay if the fact you're asking this means you don't understand the question not the math.

The question is saying the some number has a value that if 7 is subtracted from, will equal 15. So basically, x-7=15. x=15+7. x=22

Anon25 [30]3 years ago
3 0
The number that is seven less is eight or I can say it like this it is 8
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Answer:

Given:

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useful life = 10 years

salvage value = 400

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Straight line depreciation = (3,400 - 400) / 10 yrs = 300 

300 / 3000 = 0.10 or 10%

10% x 2 = 20% double declining rate

Depreciation expense under the double declining method:

Year 1: 3,400 x 20% =  680 depreciation expense.

Year 1 book value = 3,400 - 680 = 2,720

Year 2 : 2,720 x 20% = 544 depreciation expense

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5 0
4 years ago
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Misha Larkins [42]

n= new price

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8 0
4 years ago
Read 2 more answers
3. Mrs Green bakes muffins.
Sphinxa [80]

Answer:

85%

Step-by-step explanation:

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200 x 0.70 = 140

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Tuesday:

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8 0
4 years ago
The mean of eight numbers is 40 and the mean of other twelve different numbers is 30. What is the mean of all the twenty numbers
lana [24]

Answer:  34

================================================

Work Shown:

S = sum of the first 8 numbers

S/8 = 40 is the mean of those first 8 numbers

S = 8*40

S = 320 so the first 8 numbers add to this value

-------

R = sum of the 12 remaining values

R/12 = 30

R = 12*30

R = 360 is what the other 12 values add to

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R+S = 360+320 = 680  is what all twenty values add to. Divide this by 20 to get the overall average

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5 0
3 years ago
A.
vfiekz [6]
Find, days Lydia takes to make 86 bracelets
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