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stepan [7]
2 years ago
6

Simply (2)/(3)a+6-(3)/(5)a-1

Mathematics
1 answer:
Bas_tet [7]2 years ago
8 0

Answer:

That simplifies to \frac{1}{15}a + 5

Step-by-step explanation:

Let's simplify:

\frac{2}{3}a + 6 - \frac{3}{5}a - 1\\\\\frac{10}{15}a - \frac{9}{15}a + 6 - 1\\\\\frac{1}{15}a + 5

If you want to express that as a single fraction, you can do so by multiplying the five by 15/15, and summing the numerators.  That gives you:

\frac{a + 75}{15}

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A certain forest covers an area of 2100 km^2. Suppose that each year this area decreases by 5.25%. What will the area be after 6
Neko [114]

Answer:

The area after 6 years is 1519.49km^2

<em></em>

Step-by-step explanation:

Given

a = 2100 --- Initial Value

r = 5.25\% --- Rate

Required

Determine the area after 6 years

Because the area reduces,, the following formula will be used to solve the question.

y = a*(1 - r)^t

Here

t = 6

So, we have:

y = 2100*(1 - 5.25\%)^6

Convert percentage to decimal

y = 2100*(1 - 0.0525)^6

y = 2100*(0.9475)^6

y = 1519.47866516

y = 1519.49 -- approximated

<em>The area after 6 years is </em>1519.49km^2<em></em>

4 0
2 years ago
Helppppppppppppppp asap
babymother [125]

Answer:

what do you need help with ^_^

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Find the length of the third side of the right triangle. Give an exact answer and an approximation to three decimal places if ne
trasher [3.6K]

Answer:

a = 32

Step-by-step explanation:

This is a right triangle and the square value of hypotenuse is equal to sum of square value of other two side lengths

68^2 = 60^2 + a^2

4624 = 3600 + a^2

4624 - 3600 = a^2

1024 = a^2 find the root for both sides

32 = a

8 0
2 years ago
Jeremy is buying a new bicycle. For the style he likes best, the bicycle shop sells 26-inch and 29-inch frames in blue, red, and
Leno4ka [110]

Answer:

1 out of 6

Step-by-step explanation:

there are 6 different combinations

26in - blue

26in- red

26in- black

29in - blue

29in - red

29in - black

The probability then come out to 1 out of 6

8 0
2 years ago
PLEASE HELPPP !!! I WILL GIVE BRIGHTEst !!!​
djyliett [7]

Answer :

here

13) 4

14) 3

15) 10

16) 8

17) 8

18) 2

19) 9

20) 9

Step-by-step explanation:

Hope this helps

4 0
3 years ago
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