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snow_tiger [21]

3 years ago

14

At the age of 18, Albert inherits $100,000 from his grandfather. One bank offers to invest this money at 10% for 5 years. A seco

nd bank offers a rate of 8% for 7 years. Which investment will yield the most money?

1 answer:

bekas [8.4K]3 years ago

3 0

The second bank that offers 8% for 7 years will yield the most money.

Bank 1: 100,000 x 10% x 5 = 50,000

Bank 2: 100,000 x 8% x 7 = 56,000

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Voltage sags and swells. The power quality of a transformer is measured by the quality of the voltage. Two causes of poor power

zysi [14]

Answer:

a

$z-score = 1.57$

b

$z-score_s = -3.36$

Step-by-step explanation:

From the question we are told that

The sample size is n = 103

The sample mean of sag is $\= x_1 = 353$

The sample mean of swells is $\= x_2 = 184$

The standard deviation of sag is $s_1 = 30$

The standard deviation of swells is $s_2 = 25$

The number of swell for a randomly selected transformer is k = 100

The number of sag for a randomly selected transformer is c = 400

Generally the z-score for the number of swells is mathematically represented as

$z-score_s = \frac{ k - \= x_2}{s_2}$

=> $z-score_s = \frac{ 100- 184}{25}$

=> $z-score_s = -3.36$

Generally the z-score for the number of sags is mathematically represented as

$z-score = \frac{ c - \= x_1}{s_1}$

$z-score = \frac{ 400 - 353}{30}$

$z-score = 1.57$

4 0

3 years ago

Determinants and matrix <br><img src="https://tex.z-dn.net/?f=%20%7C%20%5Cfrac%7B7%7D%7B4%7D%20%5C%20%5Cfrac%7B9%7D%7B3%7D%20%20

zavuch27 [327]

<h2>>> Answer </h2>

_________

$\ \:$

$\sf{| \frac{7}{4} \frac{9}{3} | = a}$

$\sf \: |a| = ad - bc$

$\sf\: |a| = (7 \times 3) - (9 \times 4)$

$\sf \: |a| = 21 - 36$

$\sf \: |a| = \bold{ \blue{ - 15}}$

3 0

2 years ago

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Marian buys a dress that costs $32.00. She pays 10%

never [62]

Answer:

B, $35.20

Step-by-step explanation:

32 increase 10% =

32 × (1 + 10%) = 32 × (1 + 0.1) = 35.2

4 0

2 years ago

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5x-3y when x=7 and y=-8

I am Lyosha [343]

5 (7) - 3 (-8)

35 - -24

Because two negatives equal a positive the subtraction sign will change into an addition sign.

35+24

So your answer will be 59.

Hope this helped :)

5 0

2 years ago

A six-sided number cube is rolled, and then a spinner with 5 equal sections labeled A through E is spun.

natka813 [3]

16 I think if not 130

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2 years ago

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