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Fantom [35]
3 years ago
7

Translate the given relationship of two quantities into a variation statement. ​

Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0

Answer:

Not sure

Step-by-step explanation:

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Mary invests £12000 in a savings account. The account pays 1. 5% compound interest per year. Work out the value of her investmen
mestny [16]

Answer:

The value of Mary's investment after two years = £12362.7

Step-by-step explanation:P = Principal / initial amountR = rate of interest per cent per yearT = number of yearsA = final amount at the end of T yearsThen:A = P*(1 + R/100)^2In our example:P = £12000R = 1.5 per cent per yearT = 2 yearsThus:A = 12000*(1 + 1.5/100)^2   = 12000*(1 + 0.015)^2   = 12000*(1.015)^2    = 12000*(1.030225)    = 12362.7Value of investment after two years = £12362.7

4 0
2 years ago
Two similar pyramids have lateral areas 8ft^2 and 18 ft^2. the volume of the large pyramid is 108 ft^2. find the volume of the s
ddd [48]
I assume the volume of the larger pyramid is 108 ft^3, not 108 ft^2.

The scale factor of edges of two solids is x.
The scale factor of their areas is x^2.
The scale factor of their volumes is x^3

The areas have a scale factor of 18/8 = 2.25

The length have a scale factor of sqrt(2.25) = 1.5

The volumes have a scale factor of 3.375

108/3.375 = 32

Answer: 32 ft^3
4 0
3 years ago
3sqrt x - 4=5 solve for x
andrezito [222]
3\sqrt{x}-4=5\ \ \ \ |add\ 4\ to\ both\ sides\\\\3\sqrt{x}=9\ \ \ \ |divide\ both\ sides\ by\ 3\\\\\sqrt{x}=3\ \ \ \ |square\ both\ sides\\\\\boxed{x=9}
3 0
3 years ago
A fish is ascending at a
Vanyuwa [196]

Answer:

he will have ascended 16.28 ft

Step-by-step explanation:

.74x22=16.28

5 0
3 years ago
Amelia inserted parentheses to the numerical expression 12 ÷ 2 + 4 × 3 + 5 so that the value of her expression was 16. Which of
denis-greek [22]

Answer:

D. 12 ÷ (2 + 4) × (3 + 5)

Step-by-step explanation:

12 ÷ (2 + 4) × (3 + 5)

⇒ 12 ÷ 6 × 8

⇒ 2 × 8

⇒ 16

3 0
3 years ago
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