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Ivan
3 years ago
13

Which property is shown in the sentence below? 15(x - 2) = (x - 2)15

Mathematics
1 answer:
Vladimir [108]3 years ago
4 0
Associative Property
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Review the federal income tax table.
evablogger [386]

Answer:

Step-by-step explanation:

Tax payable:

= $4,543+($41,000-$39,476)×22%

= $4,543+$335.28

= $4,878.28

Tax rate:

= $4,878.28/$41,000

= 11.9%

<em>Hence, Tax rate is 11.9%</em>

7 0
2 years ago
A bit confused on what to do. Can someone help?
Allisa [31]

Answer: the answer is on a calculator

Step-by-step explanation:

If your aboe to do that you can so anything

4 0
3 years ago
Two lighthouses flash their lights every 20 and 30 seconds respectively. given that they flash together at 8 p.m., at what time
VikaD [51]
Do you remember when you were learning about
Least Common Multiple (LCM) ?  And you were
wondering what on Earth you would ever need it for ?

THIS IS IT !

The amount of time after 8 PM when the lights will flash
together again is the LCM of 20 seconds and 30 seconds.
Do you remember how to find it ?

... When 20 is prime-factored, you have  2 · 2 · 5 .

... When 30 is prime-factored, you have  2 · 3 · 5 .

... So the Least Common Multiple of 20 and 30 is  2 · 2 · 3 · 5  =  60 .

The lighthouses will flash together again in 60 seconds after 8 PM.
That'll be  8:01 PM.  
6 0
3 years ago
Solve for x : log(3x) + log(x + 4) = log(15).<br><br>Please explain it to me.​
zlopas [31]

Answer:

x = 1

Explanation:

\sf \rightarrow log(3x) + log(x + 4) = log(15)

Rule: log(a) + log(b) = log(ab)

\sf \rightarrow log(3x(x + 4)) =  log(15)

cancel out log on both sides

\sf \rightarrow 3x(x + 4) = 15

relocate constant variable

\sf \rightarrow 3x^2 + 12x -15 = 0

take 3 as a common factor

\sf \rightarrow 3(x^2 + 4x -5) = 0

divide both sides by 3

\sf \rightarrow x^2 + 4x -5 = 0

middle term split

\sf \rightarrow x^2 + 5x -x-5 = 0

factor common terms

\sf \rightarrow x(x  + 5) -1(x+5)= 0

collect into groups

\sf \rightarrow (x-1)(x+5)= 0

set to zero

\sf \rightarrow x-1 = 0 , \ x+5= 0

relocate variables

\sf \rightarrow x = 1,  \ x = -5

There must be a positive solution for log, so the solution is only x = 1

3 0
1 year ago
Read 2 more answers
15 times 25 is equal to
user100 [1]
15 * 25 = 375 <=== simple multiplication
8 0
3 years ago
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