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xenn [34]
3 years ago
11

Help with hw please I’ll give brainliest

Mathematics
1 answer:
Ymorist [56]3 years ago
4 0
The first one is B
The second one is D
Hope this helps you!
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Solve this problem please
djyliett [7]

The formula for depreciation is:

y=x(1-r)^t

Where x = Initial value,

y= Amount after depreciation.

r= Rate of depreciation,

t = time (in years)

According to given problem,

x = 1040, y= 944 and t = 12 months =1 year.

So, first step is to plug in these values in the above formula, So,

944 = 1040(1-r)^1

944 = 1040 (1 -r)

\frac{944}{1040} =1-r Divide each sides by 1040.

0.907692308 =1 - r

0.907692308 - 1 = -r Subtract 1 from each sides.

-0.092307692 = -r

So, r = 0.09 or 9%.

Now plug in 0.09 in the above equation to get the depreciation equation. So,

y = x (1- 0.09)^t

So, y = 0.91x^t

b) To find the value of the bike after 5 months,

plug in t = 5 months= 5/12 = 0.41667 years in the above equation of depreciation.

So, y= 1040 *(0.91)^{0.41667}

y = 1040 * 0.961465659

y = 999.9242852

y = 1000 (Rounded to nearest integer).

Hence, the value of the bike after 5 months is $1000.

7 0
3 years ago
Determine which one of this is a function
luda_lava [24]

Answer:

Option 2?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
If the area of a square is 1 square meter, how many centimeters long is each side?
Rufina [12.5K]

Square meters to square centimeters metric area units conversion factor 10000. To find out how many square centimeters in sq. meters, please use the converter below.

1 Sq. Meter = 10 000 Sq. Centimeters

Sq. meter is an area unit in metric system and used widely in measuring the small lands, floor plans etc. It equals to 10.7639104 sq. feet. The abbreviations are "m2" or "sq m".

Sq. centimeter is an area unit in metric system and defined as the area of a square whose sides are exactly one centimeter in length. It equals to 0.15500031 sq. inch. The abbreviations are "cm2" and "sq cm".


Please let me know if you need additional help in private messages.

Thanks,

-GeVontae The BRAINLY Team.

4 0
3 years ago
A group of scientists are studying a new species of insects. They observe the patterns of 6 insects. The scientists find that th
Stels [109]

Answer:

(B) 477=6(1+0.20)^t

Step-by-step explanation:

we can use formula

P(t)=P_0(1+r)^t

where

Po is the initial population

r is the growth rate

t is the time in months

We are given

initial population of insects

so, Po=6

The scientists find that the insect population, x, is growing exponentially 20% per month

so, r=0.20

now, we can plug these values

P(t)=6(1+0.20)^t

there to be a population of 477 insects

so, P(t)=477

now, we plug it

and we get

477=6(1+0.20)^t


4 0
3 years ago
What is the area of this figure? Enter your answer in the box.​
GaryK [48]

Answer:

add area of p' gram and ️.

(20 x 16) + ( .5 x 20 x 8)

7 0
3 years ago
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