(a⁷ - a⁴) ÷ (a³ + a²)

Mathematics

1 answer:

Tema [17]3 years ago

4 0

Answer:

a^4 - a^3 + a^2 - 2a - (2)/(a + 1)

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How do I add this fraction 7 9/12 + 4 5/9

vovangra [49]

Make the same denominator (12) and then make them both non mixed numbers 93/12 and 54.6666.../12

so 147.666.../12

12.305/12

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2 years ago

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Martene got a small aquarium for her birthday. The aquarium is a right rectangular prism 18.5\,\text{cm}18.5cm18, point, 5, spac

MariettaO [177]

Answer:

14 cm.

Step-by-step explanation:

We have been given that an aquarium is a right rectangular prism 18.5 cm long and 15 cm wide. We are also told that Martene put 3885 cubic cm of water in the aquarium.

To find the depth or height of aquarium, we will use volume of rectangular prism formula.

$\text{Volume of rectangular prism}=l*w*h$ , where,

l = Length of prism,

w = Width of prism,

h = Height of prism.

Upon substituting our given values in above formula we will get,

$3885\text{ cm}^3=18.5\text{ cm}\times 15\text{ cm}\times h$

$3885\text{ cm}^3=277.5\text{ cm}^2\times h$

$\frac{3885\text{ cm}^3}{277.5\text{ cm}^2}=\frac{277.5\text{ cm}^2\times h}{277.5\text{ cm}^2}$

$14\text{ cm}=h$

Therefore, the aquarium is 14 cm deep.

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2 years ago

Joannie lent 200$ to her sister. Four years later, her sister repaid her in full with 228$. What a simple annual interest rate d

tatiyna

I believe the interest world be 3.5%

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Can i please get help with this Question?

sashaice [31]

So firstly, I'm going to be converting the mixed number into an improper fraction. To do this, multiply the whole number by the denominator and then add that product with the numerator and that will be your new numerator. In this case:

3 × 8 = 24, 24 + 3 = 27. $\frac{-27}{8}$