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tiny-mole [99]
4 years ago
9

HELPP PLEASEEEEEEEEEEE

Mathematics
2 answers:
marissa [1.9K]4 years ago
7 0

Answer: B

Step-by-step explanation:

Black_prince [1.1K]4 years ago
5 0

Answer:

C

Step-by-step explanation:

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Norris wrote the equation 7x9=63.Blake wrote the equation 7x9=9x7.Who wrote a correct equation?Explain
Karolina [17]

Answer:

Step-by-step explanation:

They are both technically right 7 time 9 is 63 but 7 time 9 is equivalent to 9 times 7

7 0
3 years ago
The calculation for annual depreciation using the straight-line depreciation method is.
Fiesta28 [93]

The calculation of annual depreciation using the straight line depreciation method is given by Depreciable Cost / Estimated useful life

Option B is the right answer.

The missing Options are attached with the answer.

<h3>What is Depreciation ?</h3>

Depreciation is an account entry , which depicts the fall in tyhe net value of an asset with time.

It includes the depreciation of automobiles , machines etc.

Various methods are used and accepted world wide for calculation of Depreciation

The calculation of annual depreciation using the straight line depreciation method is given by

Depreciable Cost / Estimated useful life

Therefore Option B is the right answer.

To know more about Depreciation.

brainly.com/question/15085226

#SPJ1

4 0
2 years ago
9) Which two ratios form a proportion? A) 5 6 and 4 5 B) 6 5 and 4 5 C) 12 15 and 5 4 D) 15 12 and 5 4
Sveta_85 [38]

Answer:

D) 15/12 and 5/4

Step-by-step explanation:

Because when you cross multiply the ratios

15*4 and 12*5

making both ratios a proportion

they both = 60

3 0
3 years ago
Với điều kiện nào của m thì phương trình ( 3m^2 - 4) x -1=m-x có nghiệm duy nhất?
Shtirlitz [24]
 <span>a, để pt có nghiệm thì denta ≥ 0 <=> (3-m)^2 - 4( 3-2m) ≥ 0 <=> m^2 +2m-3 ≥ 0 ( ^ là mũ) 
giải bpt mới tìm được đó ta đc : m ≤ -3 hoặc m ≥ 1 
b, * Xét m-1=0 <=> m=1 => thay m=1 vào pt thì pt có 1 nghiệm là 1/8 (1) 
* Xét m-1 ≠ 0 <=> m ≠ 1 
=> pt có nghiệm khi denta' ≥ <=> (m+3)^2 - (m-1)(-m+2) ≥0 <=> 2m^2 +3m+11 ≥ 0 (*) 
-> bpt (*) có denta < 0 nên nó luôn đúng với mọi m ≠1 -> denta của pt đã cho luôn > 0 với mọi m ≠ 1 (2) 
từ (1) (2) => với mọi m pt luôn có nghiệm </span>
6 0
3 years ago
Which number is equivalent to this expression?<br><br> 3 + 0.1 + 0.004
dmitriy555 [2]
1.552 times 2 or 0.776 times 4
8 0
3 years ago
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