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iragen [17]
3 years ago
11

Rick says to find 2 x 5 he can use counting by 5s: 5, 10, 15, 20, 25. Explain what he did wrong.

Mathematics
1 answer:
iren [92.7K]3 years ago
6 0
He counted too far, is the only thing i can think of 
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76. Currently, your savings for each month is capped at $400. If you start investing all of this into a savings plan earning 1%
Alexxandr [17]

Answer:

10 years and 10 months.

Step-by-step explanation:

The annually interest rate (ia) can be converted by monthly (im) by the equation:

(1 + im)¹² = 1 + ia

(1 + im)¹² = 1 +0.01

(1 + im)¹² = 1.001 (putting ln in both sides)

ln(1 + im)¹² = ln1.001

12*ln(1 + im) = 1.0x10⁻³

ln(1 + im) = 8.33x10⁻⁵(applying "e in both sides)

e^{ln(1 + im)} = e^{8.33x10^{-5}}

1 + im = 1.00083

im = 0.00083 = 0.083%

For a investimenting, the final amount (A) can be calculated by:

A = R*(\frac{(1+i)^n-1}{i} )

Where R is the amount invested per month, i is the interest, and n the number of months:

160000 = 400 *\frac{(1 +0.00083)^n - 1}{0.00083}

\frac{(1 +0.00083)^n - 1}{0.00083} = 400

1.00083ⁿ - 1 = 0.332

1.00083ⁿ = 1.332 (applying ln in both sides)

n*ln1.00083 = ln1.332

8.3x10⁻⁴n = 0.2867

n = 345.4 months

345.4 months *1 yea12 months = 10 years and 10 months.

7 0
3 years ago
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Please help 25 points
Maksim231197 [3]

Answer:

5400

Step-by-step explanation:

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Find the slope of the line that passes through (-2, 8) and (-10, 14)
vesna_86 [32]
Hello!

To find the slope we divide the difference of the y-values by the difference of the x-values as shown below.

\frac{14-8}{-10+2} = -\frac{6}{8} = -\frac{3}{4}

The slope of our line is -3/4.

I hope this helps!
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3 years ago
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Urgent: Find value of X
Gelneren [198K]
X= 26




The equation is setup like 2x+10=62 because the angles are the same
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the selling price of a home was dropped from $200.000 to $190.000. by what percent did the price drop
Dmitry [639]
The price dropped 10%
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