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ANTONII [103]
2 years ago
15

I need help with this question x2 - 16y2

Mathematics
1 answer:
lana66690 [7]2 years ago
5 0
A^2 - b^2 = (a+b) (a-b) where a = x and b = 4y
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three friends are holding a car wash and agree to split the profits equally. they purchase supplies for $75. if their income is
koban [17]

$450-$75=$375/3=$125
They each get $125

4 0
3 years ago
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John is 48 years old. He is planning on retireing when he is 65. He has opened an IRA with an APR of 3.5% compounded daily. If h
alex41 [277]

The amount of money that John would have in his account when he is ready to retire is $6,351,400.21.

<h3>How much would be in the retirement account?</h3>

The formula that can be used to determine the future value of the annuity is

Future value = Daily deposit x annuity factor

Annuity factor = {[(1+r)^n] - 1} / r

Where:

  • r = 3.5 / 365 = 0.0096%
  • n = (65 - 48) x 365 = 6205

Annuity factor = [(1.000096^6205) - 1] / 0.000096 = $8468.53

Future value = 750 x $8468.53 = $6,351,400.21

To learn more about annuities, please check: brainly.com/question/24108530

#SPJ1

3 0
2 years ago
I need help please. Thanks
Agata [3.3K]

Given:

m∠APD = (7x + 1)°

m∠DPC = 90°

m∠CPB = (9x - 7)°

To find:

The measure of arc ACD.

Solution:

<em>Sum of the adjacent angles in a straight line = 180°</em>

m∠APD + m∠DPC + m∠CPB = 180°

7x° + 1° + 90° + 9x° - 7° = 180°

16x° + 84° = 180°

Subtract 84° from both sides.

16x° + 84° - 84° = 180° - 84°

16x° = 96°

Divide by 16° on both sides.

x = 6

m∠APB = 180°

m∠BPD = (9x - 7)° + 90°

             = (9(6) - 7)° + 90°

             = 47° + 90°

m∠BPD = 137°

m∠APD = m∠APB + m∠BPD

             = 180° + 137°

             = 317°

<em>The measure of the central angle is congruent to the measure of the intercepted arc.</em>

m(ar ACD) = m∠APD

m(ar ACD) = 317°

The arc measure of ACD is 317°.

8 0
3 years ago
Is the decimal expansion of this fraction repeating or terminating? <br> 23/0
hodyreva [135]

Answer:

Terminatng

Step-by-step explanation:

if you divide any number by 0 . the quotient would be 0 .

4 0
3 years ago
Read 2 more answers
What is 42 increased by 50%
andrew11 [14]
Number = 42
Percent increase = 50%
Increase in number = 50% of 42 = 50/100 × 42 =21
So, increased number = 42+21 = 63
6 0
2 years ago
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