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3 years ago

1 +3 = 24g4+ 5 = 66g

Mathematics

1 answer:

Alexxx [7]3 years ago

5 0

1 +3 = 24g / = g=1/6

4+ 5 = 66g / = g=3/22

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The difference between two numbers is 40. The first number and four times the second number is 55. Find the two numbers and show

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The numbers are 43 and 3. The difference between these two is 40. 43+3*4 equals 55.

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4 years ago

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Monthly sales of a particular personal computer are expected to decline at the following rate of S'(t) computers per month, whe

Len [333]

Answer:

$S(t) = -18t^\frac{5}{3}+2440$

Company will take approximately 14 months

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Given function that shows the change rate of computers,

$S'(t)=-30 t^{\frac{2}{3}}$

Where,

t = number of months

On integrating,

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$S(t) = -30(\frac{t^{\frac{2}{3}+1}}{\frac{2}{3}+1})+C$

$S(t) = -30 (\frac{t^{\frac{2+3}{3}}}{\frac{2+3}{3}})+C$

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According to the question,

S(0) = 2,440,

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Hence, the required function,

$S(t) = -18t^\frac{5}{3}+2440$

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6 0

3 years ago

If the circumference is 31.4, what are the radius and the area?

jekas [21]

Answer:

radius = 5 units

area of a circle = 15.7units²

Step-by-step explanation:

given that the circumference of a circle = 31.4

radius = ?

recall that the formulae for finding the circumference of a circle = 2πr

circumference of a circle = 2 x 3.14 x r

31. 4 = 6.28r

divide both sides by the coefficient of r which is 6.28

31.4/6.28 = 6.28r/6.28

5 = r

radius = 5 units

therefore the radius of the circle whose circumference is 31.4 units is evaluated to be 5units

to find the area of the circle

recall the formula = πr²

area of a circle = 3.14 x 5²

area of a circle = 3.14 x 25

area of a circle = 15.7units²

7 0

3 years ago

1 +3 = 24g4+ 5 = 66g​

1 +3 = 24g4+ 5 = 66g