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atroni [7]
3 years ago
15

A cone has a diameter of 4 cm and a height of 11 cm. What is the volume 1 point

Mathematics
1 answer:
anzhelika [568]3 years ago
4 0

Answer: 46.05

Step-by-step explanation:

1/3 * 3.14 * 4 * 11 = 46.05 (rounded to the tenth)

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what is the slope intercept form of a line that is perpendicular to y = x + 3 and passes through point (2, -4)
Assoli18 [71]

Answer:

The equation of the perpendicular line is y = -x - 2

Step-by-step explanation:

* Lets revise the form of the slope intercept for

- The slope intercept form is y = mx + b, where m is the slope of

  the line and b is the y-intercept

* Now lets revise the relation between the slopes of the

 perpendicular lines

- If two lines are perpendicular, then the product of their slopes is -1

# Ex: If line L has slope m1 and line K has slope m2, and L ⊥ K

∴ m1 × m2 = -1

∴ m2 = -1/m1

* Now lets solve the problem

- We need to find the equation of the line which is perpendicular to

 the line whose equation is y = x + 3 and passes through point (2 , -4)

- Find the slope of the given equation

∵ y = x + 3

- In this form the slope is the coefficient of x

∴ m = 1

- Find the slope of the perpendicular line

∵ The slope of the perpendicular line = -1/m

∴ The slope of it = -1/1 = -1

- Write the equation of the line with the value of the slope

∴ y = -x + b

- To find the value of b substitute x , y in the equation by the x and

  y of the given point

∵ The line passes through point (2 , -4)

∵ y = -x + b

∴ -4 = -1(2) + b

∴ -4 = -2 + b ⇒ add 2 for both sides

∴ b = -2

- Write the equation with the value of b

∴ y = -x - 2

3 0
3 years ago
1) Nishi has a total of 18 coins that are nickels and
DochEvi [55]
I believe it’s 3 pennies and 15 nickels yea it is because
3*0.01=0.03, and
15*0.05=0.75 and
0.75+0.03=0.78 and
3+15=18.

Did I confuse you or no? Sorry if I did.
3 0
3 years ago
Given the graph below, which of the following statements is true?
Elza [17]

Answer:

Option d is right

Step-by-step explanation:

A function is called one to one if two x will not have same y value.

In other words, in the domain each x is matched with a unique y and if x1 not equals x2 we have the corresponding y1 will not be equal to y2.

In the graph given, we find that the y value say 1 has preimages in both to the right of y axis and to the left of y axis.

Hence this is not one to one.

This is a function because each x has a unique image. If we draw a vertical line in any part of the graph we find that it  cuts only one time the graph of f(x)

Hence f is a function but not one to one.  A one to one function need not pass through the origin.

Hence we find that of the options given, a,b and c are wrong.

But option d is right.

7 0
3 years ago
Simplify the following expression
goldfiish [28.3K]
I believe the answer is : 33.94 , round if you need to
3 0
2 years ago
Who answers this correctly with explanation gets vevmo'd/pay pal 25<br> Any Links Will Be Reported.
Inga [223]

Answer:

the answer is C

hope this helps

have a good day :)

Step-by-step explanation:

4 0
2 years ago
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