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3 years ago

7

Which of the following values of t will result in a true statement when substituted into the given equation? A. t = 8 B. t = -8

C. t = 11 D. t = -12

1 answer:

anastassius [24]3 years ago

6 0

Answer:

B

Step-by-step explanation:

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A whale costs $14700 and depreciates in value by 8% per year. When will the whale be worth $100

sammy [17]

Answer:

x = 60

Step-by-step explanation:

The question is asking

$14,700 * (1 - 8%)^x = $100

$14,700 * (1 - 0.08)^x = $100

$14,700 * (0.92)^x = $100

(0.92)^x = $100/$14,700

log(0.92^x) = log($100/$14,700)

x * log(0.92) = log(0.0068027)

x = log(0.0068027)/log(0.92)

x = 59.85

Since this question is asking in terms of years, we always round up (in this case to 60), as it won't fully be worth $100 by the beginning of the 59th year.

3 0

3 years ago

Need some help, thanks :)

Ira Lisetskai [31]

7 is equal to x, so yeah

7 0

3 years ago

A certain CD-ROM disk can store approximately 6.0 × 102 megabytes of information, where 106 bytes = 1 megabyte. If an average wo

klemol [59]

Answer: A. $4.3\times10^7$

Step-by-step explanation:

Given : A certain CD-ROM disk can store approximately $6.0 \times 10^2$ megabytes of information.

1 megabyte = $10^6$ bytes

Then, The storage capacity of CD-ROM disk will be :

$10^6\times 6.0 \times 10^2=6\times10^{6+2}=6\times10^8$

If an average word requires 14 bytes of storage, then the number of words can be stored :-

$\dfrac{6\times10^8}{14}=0.428571428571\times10^8\approx0.43\times10^8=4.3\times10^7$

Hence, number of words can be stored = $4.3\times10^7$

4 0

3 years ago

Jeff wants to know how many miles it is from his house to school. On a map the distance is 3 inches. If the scale is 1/2 inch fo

frez [133]

Answer:

12 miles

Step-by-step explanation:

1/2 inch per 2 miles

3 inches away

3 ÷ 1/2 = 6

6 * 2 = 12

8 0

3 years ago

FOIL<br> MULTIPLY AND SIMPLIFY <br><br> 4t(2t+7)(t−3)

lesya692 [45]

8 t ^ 2 + 4 t ^ 2 - 8 4 t

3 0

3 years ago