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lara [203]
3 years ago
9

Find the volume of a cylinder with a height of 8cm and a radius of 3cm

Mathematics
2 answers:
just olya [345]3 years ago
8 0

Answer:

72

Step-by-step explanation:

V = (pie) * 3 *3 * 8

V = 72 pie cm (3)

Its on a p e x

kolezko [41]3 years ago
3 0

Answer:

V≈226.19cm³

Step-by-step explanation:

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Find the greatest common factor of the following monomials 39a6b2 6a2b3
aleksandr82 [10.1K]
<span>39a⁶b² and 6a²b³ 
</span>39a⁶b² =3*13a⁶b² = 3*13a²a⁴b² =(3a²b²)*13a⁴
6a²b³ =2*3*a²b³ =2*3*a² *b*b²=(3a²b²)*2b
so (3a²b²) is the greatest common factor
3 0
3 years ago
The value 5 is an upper bound for the zeros of the function shown below. f(x)=x^4+x^3 -11x^2-9x+18
Inessa [10]
Answer: True

Explanation:
According to the rational zeros theorem, if x=a is a zero of the function f(x), then f(a) = 0.

Given:  f(x) = x⁴ + x³ - 11x² - 9x + 18
From the calculator, obtain
f(5) = 448
f(4) = 126
f(3) = 0
f(2) = -20
f(1) = 0
f(0) = 18
f(-1) = 16
f(-2) = 0
f(-3) = 0

The polynomial is of degree 4, so it has at most 4 real zeros.
From the calculations, we found all 4 zeros as x = -3, -2, 1, and 3.
Therefore
f(x) = (x+3)(x+2)(x-1)(x-3).

For x>3, f(x)increases rapidly. Therefore there are no zeros for x>3.
The statement that x=5 is an upper bound for the zeros of f(x) is true.



7 0
3 years ago
Read 2 more answers
(a) Draw the vectors a=[3, 2], b=[2,-1], and c=[7, 1]. (b) Show, by means of a sketch, that there are scalars s and t such that
UNO [17]

Answer:

4

Step-by-step explanation:

s is 2,1 t is 1

4 0
3 years ago
Evaluate for given replacement
jasenka [17]
First, plug in 7 for m

|6 - 2(7)|
|6 - 14|
|-8|
since it's an absolute value, the answer will be positive
answer: 8
4 0
3 years ago
The scale for the drawing of a rectangular playing field is 2 inches=7 feet. Find an equation you can use to find the dimensions
lina2011 [118]

Answer:

The actual answer is 7/2

Step-by-step explanation:

5 0
3 years ago
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