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trapecia [35]
3 years ago
14

The height of a cone-shaped statue is 9 ft, and the diameter is 12 ft.

Mathematics
1 answer:
gladu [14]3 years ago
8 0
To find the volume of a cone do
\pi \times  {r}^{2}  \times h \div 3
\pi \times 6 \times 6 \times 9 \div 3 = 339.12
answer = 339.12 {ft}^{3}
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Hedya is 4 times as old as Hannah, and Hannah is 1.5 times as old as Hadassah. If the sum of their ages is 102, how old is Hadas
PtichkaEL [24]
Answer: Hadassah is 12.

Explanation:
x=Hedya
y=Hannah
z=Hadassah
x+y+z=102
x=4y
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Answer:

ok so the graph tells you 24 seconds by 4 ounces

Step-by-step explanation:

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Using interval notation , identify the domain for the function!!! Math 3 - 10 points. Help needed
In-s [12.5K]

Answer:

The domain by the interval notation is (-∞ , 3)∪(3 , 4)∪(4 , ∞) ⇒ 3rd answer

Step-by-step explanation:

* Lets revise how to find the domain of the function

- The domain is all values of  x  that make the expression defined

- To find where the expression is undefined put the denominator

  equal 0, to get the values of x which make denominator equal to 0

- The domain will be all the real number except those values

* Now lets solve the problem

∵ f(x) = (x² - 9)/(x² - 7x + 12)

- Let the denominator x² − 7x + 12  equal to  0

∵ x² − 7x + 12 = 0 ⇒ factorize it

- Consider the form  x² + bx + c

- Find a pair of integers whose product is c and whose sum is b

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- They are -3 and -4

- Write the factored form using these integers.

∴ (x -3)(x - 4) = 0 ⇒ put each bracket = 0

∴ x - 3 = 0 or x - 4 = 0

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∴ x = 4

∴ The domain of f(x) is all real number except 3 and 4

* The domain by the interval notation is

 (-∞ , 3)∪(3 , 4)∪(4 , ∞)

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