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3 years ago

8

A cone has a diameter of 4 centimeters and a height that is 6 times the diameter. Using 3.14 for pi, which of the following can

be used to calculate the volume of the cone?

1 answer:

Irina-Kira [14]3 years ago

4 0

I hope this helps you

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determine the equation of the parabola (simplified) with roots -3+sqrt6 and -3-sqrt6, and passing through the point (-1,4)

klio [65]

Given:

Roots:

$\begin{gathered} -3+\sqrt[]{6} \\ -3-\sqrt[]{6} \end{gathered}$

Point: (-1,4)

To determine the equation of the parabola with the given roots and point, we find the missing values first.

Since the roots are given, we can say that the equation is:

$y=a(x+3-\sqrt[]{6})(x+3+\sqrt[]{6})$

Next, we expand the terms.

$y=a(x^2+6x+3)$

Then, we plug in x= -1, and y=4 into the equation to get the value of a.

$\begin{gathered} y=a(x^2+6x+3) \\ 4=a((-1)^2+6(-1)+3) \\ \text{Simplify and rearrange} \\ 4=a(-2) \\ a=\frac{4}{-2} \\ a=-2 \end{gathered}$

So,

$undefined$

6 0

2 years ago

The length of the base of a rectangle is two times the length of it's height . Find the length of the height if the area is 72 s

Veseljchak [2.6K]

2l^2 = 72
l^2 = 36
l = 6
:D

6 0

4 years ago

Which equation demonstrates the multiplicative identity property? (negative 3 + 5 i) + 0 = negative 3 + 5 i (negative 3 + 5 i )

VMariaS [17]

Answer:

(-3 + 5 i) (1) = (-3 + 5 i)

Step-by-step explanation:

The multiplicative identity property says you can multiply anything by 1 without changing its value. That is demonstrated by the equation above.

5 0

3 years ago

Read 2 more answers

The number of camera phones shipped globally can be modeled by the function y = 1.28e 1.31x where x is the number of years since

OlgaM077 [116]

Answer: 895 phones

Step-by-step explanation:

Given that :

The function : y = 1.28e^1.31x ; is used to model the number of camera phones shipped since 1997

y = number of camera phones ; x = number of years since 1997

The number of camera phones shipped in the year 2002 can be obtained thus ;

x = 2002 - 1997 = 5 years

y = 1.28e^(1.31 * 5)

y = 1.28e^6.55

y = 1.28(699.24417)

y = 895.03254

y = 895 phones

3 0

3 years ago

Chloe purchased a sweater that cost $24, and a shirt that cost 5/8 times as much as the sweater.What amount of change did Chloe

KatRina [158]

Answer:

Chloe received $11 as change if she gave the clerk $50

Step-by-step explanation:

We are given that Chloe purchased a sweater that cost $24, and a shirt that cost 5/8 times as much as the sweater.

Cost of sweater = $24

Cost of shirt = $\frac{5}{8} \times 24 = 15$

So, Total cost of shirt and sweater = 24+15=39

Now She gave $50 to clerk

So, Change received by her = 50-39=11

So, Chloe received $11 as change if she gave the clerk $50

8 0

4 years ago