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Advocard [28]
3 years ago
10

A solid right pyramid has a hexagon all base with an area of 7.4 units the pyramid has a height of 6 units what is the volume of

the pyramid
Mathematics
1 answer:
zaharov [31]3 years ago
7 0

Answer:

  14.8 units³

Step-by-step explanation:

The volume of a "pointed" solid, such as a cone or pyramid, is one-third the product of its base area and height:

  V = (1/3)Bh

Filling in the given numbers and doing the arithmetic, we find the volume to be ...

  V = (1/3)(7.4 units²)(6 units) = 14.8 units³

The volume of the pyramid is 14.8 cubic units.

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Write 7.264 51 correct to 3 decimal places
pav-90 [236]

ANSWER

7.26451 correct  to 3 decimal places is 7.265


EXPLANATION

We start counting from the first number after the decimal point.

So starting from 2, we count 3 decimal places to the right and land on 4.


Next, we check to see if the number after 4, is greater or equal 5, then we round up, else we round down.


Since that number is 5, it is greater than or equal to 5.


Therefore we round up to obtain 7.265


7 0
3 years ago
Read 2 more answers
Will mark brainliest and thank you!!!!<br> Please help!!!!
vodka [1.7K]

Please don't judge me or report me... I'm not completely sure about the answer but I'll try my hardest......

<em>B. 32y^10 - 24</em>

<em>D. 16y^5 + 12y^3</em>

<em />

<em>Hope this helps ;)</em>

3 0
4 years ago
I need help to change the subject of the formula to W
Travka [436]

Answer:

w=\frac{h}{m} -\frac{3}{3}

I hope this is what you were asking for :)

7 0
3 years ago
Solve for z.<br> 12 = 15 ( z - 1/5 )
bija089 [108]

Answer:

1=z

Step-by-step explanation:

Multiply 15 to the parenthesis.  

12=15z-15/5

12=15z-3

Add 3 to both sides

15=15z

Simplify

1=z

5 0
3 years ago
Which of the values shown are potential roots of f(x) = 3x3 â€"" 13x2 â€"" 3x 45? Select all that apply.
Verdich [7]

The potential roots of the function are, \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}

And the accurate root is 3 it can be determined by using rules of the rational root equation.

<h2>Given that,</h2>

Function; \rm f(x) = 3x^3 - 13x^2 -3x + 45

<h3>We have to determine,</h3>

Which of the values shown are potential roots of the given equation?

<h3>According to the question,</h3>

Potential roots of the polynomial are all possible roots of f(x).

\rm f(x) = 3x^3 - 13x^2 -3x + 45

Using rational root theorem test. We will find all the possible or potential roots of the polynomial.

\rm p=\dfrac{All\  the \ positive}{Negative\  factors \ of\  45}

\rm q=\dfrac{All\  the \ positive}{Negative\  factors \ of\  3}

The factor of the term 45 are,

\pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45

And The factor of 3 are,

\pm1, \ \pm3

All the possible roots are,

\dfrac{p}{q} = \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}

Now check for all the rational roots which are possible for the given function,

\rm f(x) = 3x^3 - 13x^2 -3x + 45\\\\ f(1) = 3(1)^3 - 13(1)^2 -3(1) + 45 = 3-13-3+45 = 32\neq 0\\\\ f(-1) = 3(-1)^3 - 13(-1)^2 -3(-1) + 45 =- 3-13+3+45 = 32\neq 0\\\\ f(3) = 3(3)^3 - 13(3)^2 -3(3) + 45 = 81-117-9+45 =0\\\\ f(-3) = 3(-3)^3 - 13(-3)^2 -3(-3) + 45 = -81+117+9+45 =-144\neq 0

Therefore, x = 3 is the potential root of the given function.

Hence, The potential roots of the function are, \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}.

For more details about Potential roots refer to the link given below.

brainly.com/question/25873992

8 0
2 years ago
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