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3 years ago

11

PLS HELP ME ASAP FOR 10 and 11! (MUST SHOW WORK FOR BOTH!!) + GIVING THANKS AND BRAINLIEST!!

2 answers:

rjkz [21]3 years ago

3 0

10 the equation should be 3x + 6 = 63
subtract 6 from both sides to get 3x = 57
57 ÷ 3 = 19 inches

11
-1.5 * 4 = -6 degrees
an increase in 4 degrees us the answer

Rudik [331]3 years ago

3 0

10. do 63-6 which is 57 and then divide by 3 to get 19.
11. do -1.5*4 which equals -6 and then find that 6-2=4 so the change in temperature each hour between 4:00 to 6:00 is +2 degrees.

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2 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

2 years ago