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shtirl [24]
3 years ago
11

Please help much appreciated ​

Mathematics
2 answers:
drek231 [11]3 years ago
6 0

Answer:

3x-5+5x+1

8x-4 is the correct answer

djyliett [7]3 years ago
6 0

Answer:

8x-4

Step-by-step explanation:

First, remove all of the terms from parenthesis. Be careful to handle the signs of each individual term correctly:

3x - 5 + 5x +1

Next, group like terms:

Зх + 5х — 5 + 1

Now, combine like terms:

(3 + 5)x + ( – 5 + 1)

8x + ( – 4)

8х — 4

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How much money will there be in an account at the end of 10 years if $3000 is deposited at 3% interest compounded
BaLLatris [955]

Answer:

$4040.57

Step-by-step explanation:

A=P(1+(r/n))^nt

P = Principal = 3000

r = rate = 0.03

n = no. times payed each year = 2

t = years = 10

A = 3000(1 + (0.03/2))^(2x10)

A = 3000(1.015)^20

A = 4040.57 (2.d.p)

Hope this helped!

6 0
3 years ago
Why can you multiply or divide both terms of a ratio by the same number without changing the value of the ratio
o-na [289]
The ratio is rational and by multiplying or dividing the numbers included in the ratio by the same number, it's just like taking a fraction and taking it out of simplest form, it doesn't change the value of the ratio or the fraction in simplest form, it just changes the numbers

6 0
3 years ago
True or false: “If a positive integer is divisible by both 2 and 3, then it is divisible by 12.”
Julli [10]
False because 6 is divisible by 2 and 3, but not 12
4 0
3 years ago
Find the distance between the points (4,3) and (-1,4) round answer to the nearest tenth
scZoUnD [109]

Answer:

The distance between those points rounded to the nearest tenth is 5.1

Step-by-step explanation:

1.   (x2-x1) = (-1 - 4) = -5

2.   (y2-y1) = (4 - 3) = 1

3.   (-5^)2 + (1)^2 = 25 + 1 = 26

4.   √26 = √26

5.   5.099 ---> Rounded to the nearest tenth = 5.1

5 0
3 years ago
Every year, a car loses 15% of the value it had the year before. If the car's initial value is $ 24,000, then how long will it t
ella [17]

Answer:

4.62 years

Step-by-step explanation:

Half the car's value =>$24,000/2 = $12,000

The formula for exponential decrease =

y = a(1 - r)^t

y = Initial value = $24,000

a = Value after time t = $12,000

r = Decrease rate = 15% = 0.15

t = time in years =??

Hence,

24,000 = 12000 ( 1 - 0.15)^t

Divide both sides by 12000

24000/12000 = 12000 ( 0.85)^t/ 12000

2 = 0.85^t

We take the logarithm of both sides

log 2 = log (0.85)^t

log 2 = t log 0.85

Divide both sides by log 0.85

t = log 2/log 0.85

t = 4.62098120373 years

Approximately = 4.62 years

It would take 4.62 years to be worth half the initial price

8 0
3 years ago
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