3 years ago

Which expression is equivalent to (x +9i)2?

Mathematics

1 answer:

Debora [2.8K]3 years ago

6 0

B x^2+18xi-81 hope this helps

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Alenkasestr [34]

Answer:

65 square yards

Step-by-step explanation:

5x5=25

5x4=20

20+20+25= 65

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1 year ago

When graphing inequalities, where can the solutions be found?

Firdavs [7]

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3 years ago

An experiment consists of rolling a number cube. What is the probability of rolling two 4's in a row?

tigry1 [53]

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Step-by-step explanation:

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2 years ago

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.. through the points (4,7) and (-6, -6) and put into slope-intercept form

TiliK225 [7]

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Step-by-step explanation: I used Desmos

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3 years ago

Find the value of annuity if the periodic deposit is $250 at 5% compounded quarterly for 10 years

mylen [45]

Answer:

The value of annuity is $P_v = \$ 7929.9$

Step-by-step explanation:

From the question we are told that

The periodic payment is $P = \$ 250$

The interest rate is $r = 5\% = 0.05$

Frequency at which it occurs in a year is n = 4 (quarterly )

The number of years is $t = 10 \ years$

The value of the annuity is mathematically represented as

$P_v = P * [1 - (1 + \frac{r}{n} )^{-t * n} ] * [\frac{(1 + \frac{r}{n} )}{ \frac{r}{n} } ]$ (reference EDUCBA website)

substituting values

$P_v = 250 * [1 - (1 + \frac{0.05}{4} )^{-10 * 4} ] * [\frac{(1 + \frac{0.05}{4} )}{ \frac{0.08}{4} } ]$

$P_v = 250 * [1 - (1.0125 )^{-40} ] * [\frac{(1.0125 )}{0.0125} ]$

$P_v = 250 * [0.3916 ] * [\frac{(1.0125)}{0.0125} ]$

$P_v = \$ 7929.9$

8 0

3 years ago