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konstantin123 [22]
3 years ago
9

100° (x - 10 (2y + 24)

Mathematics
1 answer:
kicyunya [14]3 years ago
6 0

Answer: •2y

Step-by-step explanation:

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Work out the balance for 1500 invested for 2 years at 3.7% per annum.
Andru [333]
1500 x 1.037 = 1555.50
1555.50 x 1.037 = 1613.05
8 0
3 years ago
4400 dollars is placed in an account with an annual interest rate of 7.5%. To the nearest tenth of a year, how long will it take
Katarina [22]

Answer:

Step-by-step explanation:

The equation for the amount of money in an account after a certain amount is deposited and compounded after t years once per year is

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

Our A(t) = 33800, P = 4400, r = .075 and we are looking for t.  Filling in:

33800=4400(1+.075)^t and

33800=4400(1.075)^t

Begin by dividing both sides by 4400 to get

7.681818182=1.075^t

The only way to move that t our from its current position as an exponent is to take the natural log of both sides and follow the rules for natural logs:

ln(7.6181818182=ln(1.075)^t

The power rule of natural logs says we can move that exponent down in front, giving us:

ln(7.681818182)=t*ln(1.075)

Divide both sides by ln(1.075) to get

\frac{ln(7.61818182)}{ln(1.075)} =t

Do this division on your calculator to get

t = 28.2 years

6 0
3 years ago
Read 2 more answers
How to find the perimeter of a square one side is 10x other side is 6x+8?
Yanka [14]
To find the perimeter of the square, you add all four sides together:
10x + 10x + (6x + 8) + (6x + 8)
20x + 12x + 16 = P
32x + 16 = P

you have to find x to get the actual perimeter. Since the shape is a square, all 4 sides are equal, so you can set 10x and (6x + 8) as equal to each other.
10x = 6x + 8
4x = 8
x = 2

Now you just plug in x and finish the rest of the problem, and you have the answer:
32(2) + 16 = P
64 + 16 = P
P = 80

(if you find this helpful, marking this as the brainliest answer would make my day :)
4 0
3 years ago
What is the domain and range of f(x) = |x+6|?
Ronch [10]
Here is the answer

Domain: (- infinity, infinity) 
Range:  [0, infinity) 
3 0
3 years ago
Pls help it due ASAP.<br> Please show workings <br> It due in a hour....
castortr0y [4]

Answer:

C. \frac{4}{5}

Step-by-step explanation:

In order to find the slope knowing two points, use the slope formula \frac{y_2 - y_1}{x_2-x_1}. x_1 and y_1 represent the x and y values of one point the line intersects, and x_2 and y_2 represent the x and y values of another point the line intersects.

Knowing this, use the points (-4, -4) and (6, 4) for the formula. Substitute -4 for x_1, -4 for y_1, 6 for x_2, and 4 for y_2. Then, simplify:

\frac{(4) - (-4)}{(6) - (-4)} \\= \frac{4+4}{6+4} \\= \frac{8}{10} \\= \frac{4}{5}

Thus, \frac{4}{5} is the slope of the line.

5 0
4 years ago
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