I need the answer for these. 1a: 1b: 1c:

Mathematics

1 answer:

Fantom [35]3 years ago

3 0

1a) 8 / (1/2) = 16 * 3 = 48

1b) 3sqrt(49) = 3 * 7 = 21

1c) (5+2)(-8) / (-2)^3 -3

(7*-8) / (-8 -3)

-56/-11

56/11

You might be interested in

You are at a restaurant and the check comes to a total of $74. If you want to leave a 15% tip, how much total money should you p

mars1129 [50]

Answer:

85 dollars or to be exact $85.1

Step-by-step explanation:

Multiply the cost of 74 dollars by 0.15 then add the tip to the original amount.

8 0

3 years ago

You purchase 3 items $26, $30 and $7. If tax is 6.8%, what is the total price.

ludmilkaskok [199]

Answer:

$67.28

Step-by-step explanation:

5 0

3 years ago

Its in the picture below a: 1% decay b: 10% decay c: 9% growth d: 90% growth

Trava [24]

Answer:

b: 10% decay

Step-by-step explanation:

Expressed as a percentage change, the growth is usually the value of the base of the exponential function after 1 has been subtracted. That result is expressed as a percent:

0.9 - 1 = -0.10 = -10% . . . . . 10% decay

_____

The "t/12" exponent means this is the decay that is experienced over 12 units of time. This might be the annual decay, where t is expressed in months, for example.

6 0

3 years ago

The police department uses a formula to determine the

laiz [17]

9514 1404 393

Answer:

78.71 mph

Step-by-step explanation:

You're looking for the solution to ...

d = 88

0.0015r^2 +r = 88

0.0015r^2 +r -88 = 0