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emmainna [20.7K]
2 years ago
14

Can someone please help me with math.

Mathematics
1 answer:
pychu [463]2 years ago
4 0

Answer:

D

Step-by-step explanation:

That is a negative correlation.  As x increases, y decreases.  Notice that as you read from left to right, the points are going down which means negative.

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2. Factorise: a - b - a + b2.square ​
marshall27 [118]
A - a removes both a’s from equation, then you’re left with b + bsquared, since they are unknown values you cannot combine them, even if it is the same letter, you can only add and subtract unknown values with their same letters together.
7 0
2 years ago
Pleasssssssss help 5<br> points ​
love history [14]
What is the situation from the problem
7 0
3 years ago
Fiona invested $1000 at 7% compounded continuously. At the same time, Maria invested $1100 at 7% compounded daily. How long will
Natali [406]

9514 1404 393

Answer:

  14,201 years

Step-by-step explanation:

The two compound interest formulas are ...

  A = P·e^(rt) . . . . . continuous compounding at rate r for t years

  A = P·(1 +r/365)^(365t) . . . . . daily compounding at rate r for t years

We went the amounts to be equal:

  1000·e^(0.07t) = 1100·(1+0.07/365)^(365t)

Dividing by 1000(1 +0.07/365)^(365t), we have ...

  ((e^0.07)/(1+0.07/365)^365)^t = 1.1

The base of the exponential on the left is ...

 ( e^0.07)/(1+0.07/365)^365 ≈ 1.00000671149321522

Taking logs, we have ...

  t×ln(1.00000671149321522) = ln(1.1)

  t = ln(1.1)/ln(1.00000671149321522) ≈ 0.09531018/(6.7114704·10^-6)

  t ≈ 14,201.09 . . . . . years

It will take about 14,201 years for the investments to be equal.

_____

<em>Additional comment</em>

The investment value at that time will be about $5.269·10^434. (That's a larger number than <em>anything</em> countable in the known universe, including energy quanta.)

These calculations are beyond the ability of many calculators, so might need to be carefully rewritten if the calculator only keeps 10 significant digits, or only manages exponents less than 100.

This shows that daily compounding is very close in effect to continuous compounding. It would take almost 150 years to make a difference of 0.1% in value.

4 0
3 years ago
A mountain climber climed down 20 feet at a time he did this 5 times in one day what was tge overall change in his elevation
AfilCa [17]

Answer:

- 100

Step-by-step explanation:

20 x 5 = 100

It's -100 because he's going down

8 0
1 year ago
HALPPPP PLEASEEEE 35 POINTSS :D
mars1129 [50]

Answer:

15.70796

Step-by-step explanation:

Hope this helps! I figured it out on a calculator. :)

8 0
3 years ago
Read 2 more answers
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