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liberstina [14]
3 years ago
9

Whether they are parallel, perpendicular or neither

Mathematics
1 answer:
galina1969 [7]3 years ago
8 0
Line 1 and 2 are parallel 
line 1 and 3 are parallel
line 2 and 3 are parallel
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In year, 2004, I put $20.00 into an account to save. This account annual interest fee is 0.002%. However, every 10th year the in
olchik [2.2K]

9514 1404 393

Answer:

  $20.01

Step-by-step explanation:

In 2004–2012, the interest rate is 0.002%. In 2013, it is 0.004%. In 2014–2021, the interest rate is 0.002%. That is, in the 18 years between 2004 and 2021 (inclusive), the interest rate is 0.002% for 17 of them. The effective account multiplier is ...

  (1.00002^17)(1.00004^1) = 1.00038006801

Then the account balance is ...

  $20 × 1.00038006801 ≈ $20.01

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<em>Additional comment</em>

The annual interest earned on $20.00 is $0.0004. If the account balance is rounded to the nearest cent annually, at the end of the 18 years, the balance will still be $20.00. Not enough interest is earned in one year to increase the balance above $20. At the end of the 18 years, the amount of interest earned is 0.76¢ (a fraction of a penny) <em>only if there is no rounding in intervening years</em>.

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2 years ago
if your cell phone bill was $67.82 and there's a 7.5% late fee how much will you pay for your phone bill
kotegsom [21]
$67.82 if you pay it on time.
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8 0
3 years ago
A) -3 · x = -21<br><br> b) -7x + 16 = 2x - 20<br> help pls
NeTakaya

Answer:4

Step-by-step explanation:

B) -7x-2x= -20-16

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7 0
3 years ago
Help with this one its 1 problem
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Step-by-step explanation:

4 0
3 years ago
Which of the following is a solution to the differential equation xy′−3y=6 ?
ololo11 [35]

Answer:

y = 5 {x}^{3}  - 2

Step-by-step explanation:

The given differential equation is :

xy′−3y=6

We want to determine which of the following options is a solution to the differential equations.

The function that satisfies the differential equation is a solution.

We can verify that

y = 5 {x}^{3}  - 2

satisfy this differential equation.

We differentiate to get:

y' = 15 {x}^{2}

We substitute the function and its derivative into the differential equation to get:

x(15 {x}^{2}) - 3(5 {x}^{3}   - 2) = 6

We expand and simplify on the left:

15 {x}^{3}- 15 {x}^{3}   + 6= 6

This simplifies to:

6 = 6

Verified.

We can show that all the other functions do not satisfy this differential equation

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3 years ago
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