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Lelu [443]
3 years ago
7

Hey! i’ll give brainliest please help.

Mathematics
1 answer:
Naya [18.7K]3 years ago
5 0

Answer:

shah

:) hope this helps!

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liz wants to buy her favorite musical group’s new cd. the cd costs $15.24, including tax. liz gives the store clerk a twenty-dol
Maslowich
20 - 15.24 = 4.76 is Liz's change
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3 years ago
Noah has 5 meters of rope. How many pieces of rope of length 1/2 meter can he cut from it? Draw a diagram to illustrate your sol
attashe74 [19]
He can cut 10 half meters of rope
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3 years ago
I’m one day, 18 people each withdrew 1000$ from an atm machine. What was the overall change in the amount of money in the atm ma
labwork [276]

Let M = amount of money in ATM at the beginning

 

M - 18(100) = M - 1800

 

The change is a decrease of $1,800


4 0
3 years ago
there are red and white roses in a vase 30% are red .there are 21 white roses.how many are there in total
jarptica [38.1K]

Answer:

Step-by-step explanation:

21 roses are white so that is 70%

so that would be 70/100 and can reduce to 7/10

and the percent of red would be 3/10

so we can do 21 divided by 7 which equals 3

then we can do 3 x 3 because 3/10 which equals 9

then you do 21 + 9= 30

so the answer is 30.

3 0
2 years ago
The dollar value of a car is a function, f, of the number of years, t, since the car was purchased. The function is defined by t
valentina_108 [34]

Answer:

1.) 12000

2.) 6750

3.) 2.41

Step-by-step explanation:

Given the Equation :

f(t)=12,000(3/4)^t. ; where, t = time ; f(t) = worth of car at time, t

When, car was purchased, t = 0

t = 0

f(0) = 12000(3/4)^0

= 12000 * 1

= 12000

2.)

f(2) ; this mean the worth of the car after 2 years :

f(2)=12,000(3/4)^t.

12000(3/4)^2

12000 * 0.5625

= 6750

When car will be worth 6000

f(t) = 6000

f(t)=12,000(3/4)^t.

6000 = 12,000(3/4)^t

6000 / 12000 = (3/4)^t

1/2 = (3/4)^t

Take the log of both sides :

Log(0.5) = log(0.75)^t

log(0.5) = tlog(0.75)

- 0.301029 = - 0.124938t

t = - 0.301029 / - 0.124938

t = 2.4094

t = 2.41 years

6 0
3 years ago
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