5 ft 9 ft gft/ 7H- 2 ft 13 ft Surface Area: Volume:

1 answer:

8 0

Answer: you like it if I could double the height of your cat food can?” 6 in. 7 in. 15 cm. 30 cm. 13 ft. 6 ft ... 3 ft. 2 ft. 4 ft. 2. 5 m. 8 m. 8 m. Areas of bases. Areas of lateral faces. Exercises 7–9. Lesson Tutorials ... WRAPPING PAPER A cube-shaped gift is.

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A woman bought 100 Christmas cards. For the ones that sing a song when you open them, she paid 30 cents each. For the rest she p

lapo4ka [179]

.05c+.3s=10.25, c+s=100, c=100-s (c is for cards that don't sing and s is for those that do :P)

.05c+.3s=10.25 and c=100-s makes the equation become:

.05(100-s)+.3s=10.25

5-.05s+.3s=10.25

.25s=5.25

s=21, and since c=100-s

c=79

So she bought 21 of the more expensive singing cards...

8 0

3 years ago

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Jocelyn invested $390 in an account paying an interest rate of 2.7%

Katarina [22]

Answer:

There will be $634.05 in the account.

Step-by-step explanation:

Compound interest:

The compound interest formula is given by:

$A(t) = P(1 + \frac{r}{n})^{nt}$

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

$390 in an account paying an interest rate of 2.7% compounded daily.

This means that $P = 390, r = 0.027, n = 365$