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3 years ago

Please help! easy math!

Mathematics

1 answer:

marta [7]3 years ago

8 0

Answer:

y=(0.1)x and y=2(1/4)x represent exponential decay

the rest all are an equation used for exponential growth

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Leticia charges 8$ per hour to babysit. She babysat Friday night for 4 hours ,and then she babysat again on saturday.She earned

BaLLatris [955]

Leticia babysat on Saturday for 5 hours. She already babysat for 4 hours which makes it (8 x 4) =$32 But she earned $72 so the rest $40 / 8 =5 hours

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3 years ago

I really need help again

Lelechka [254]

Answer:

$\overline{a} = \frac{v - v_0}{t} = \frac{\Delta v}{\Delta t}$

Step-by-step explanation:

7 0

4 years ago

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Your plan was to be on the road by 9 A.M. but you did not leave the garage until 10 A.M. You then drove with the cruise control

Wittaler [7]

Answer:

The average speed over the time interval from 9 A.M. to noon was of 33.33 mph.

Step-by-step explanation:

The average speed is given by the following equation:

$v = \frac{d}{t}$

From 10A.M. to noon.

You traveled at 50mph during 2 hours. So how long you traveled?

$50 = \frac{d}{2}$

$d = 50*2$

$d = 100$

You traveled 100 miles.

What was your average speed over the time interval from 9 A.M. to noon

From 9 A.M. to 10 A.M, you did not travel.

From 10 P.M. to noon, 100 miles.

So 100 miles during 3 hours.

$v = \frac{d}{t} = \frac{100}{3} = 33.33$

The average speed over the time interval from 9 A.M. to noon was of 33.33 mph.

8 0

3 years ago

What are the first three terms of the sequence defined by the recursive function an=an-1-(an-2-4), when a5=-2 and a6=0

BaLLatris [955]

Answer:

6, 10, 8

Step-by-step explanation:

aₙ= aₙ₋₁ - (aₙ₋₂ - 4)= aₙ₋₁ - aₙ₋₂ + 4

a₅= -2

a₆= 0

-----------

aₙ₋₂= aₙ₋₁ - aₙ + 4

a₄= a₅- a₆ + 4 = -2 - 0 + 4 = 2
a₃= a₄ - a₅ + 4 = 2 - (-2) + 4 = 8
a₂= a₃ - a₄ + 4 = 8 - 2 + 4 = 10
a₁= a₂ - a₃ + 4 = 10 - 8 + 4 = 6

The first 3 terms: 6, 10 and 8

4 0

3 years ago

Can someone answer this please :)

attashe74 [19]

Answer:

Step-by-step explanation:

The face closest to us has 4 by 4 unit cubes which is 16 cubes.

There are 2 faces deep in the cubiod so the total is 32 unit cubes.

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3 years ago

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