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stiv31 [10]
3 years ago
6

A cone has a diameter of 8 centimeters and a height that is 4 times the diameter. Using 3.14 for pi, which of the following can

be used to calculate the volume of the cone?
Mathematics
1 answer:
Tju [1.3M]3 years ago
7 0
535.8933333 centimeters.<span />
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Create a system of equations to represent the word problem. Then solve using the linear combination/elimination method. Show all
Leno4ka [110]

Answer:

Solution given:

model A printers [a] prints=80books per day

model B printers [b] prints=55books per day

total no of printers =9

no of model A printers be x

and

no of model B printers be [9-x]

According to the question;

ax+(9-x)b=670 books

substituting value of a and b; we get

80x+(9-x)55=670

80x-55x+495=670

25x=670-495=175

x=\frac{175}{25}=7

So;

no of model A printers =x=<u>7</u>

no of model B printers =9-x=9-7=<u>2</u>

<u>is</u><u> </u><u>your</u><u> </u><u>answer</u><u>.</u>

8 0
2 years ago
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Imagine the graph for the relation 4x-5y+20 = 0.<br> What would be its slope?
muminat
4x - 5y + 20 = 0
<u>             - 20  - 20</u>
        4x - 5y = -20
 4x - 4x - 5y = -20 - 4x
              -5y = -20 - 4x
              <u>-5y</u> = <u>-4x - 20</u>
               -5         -5
                 y = ⁴/₅x + 4
The slope would be ⁴/₅.
4 0
3 years ago
Find the equation of the quadratic function F whose graph is shown below.<br> F(x) = ?
zepelin [54]

Answer:

y = x² - 2x - 3

Step-by-step explanation:

y + 4 = C(x - 1)²

To determine C, use x = 4, y = 5

5 + 4 = C(4 - 1)²

9 = 9C, C = 1

y + 4 = (x - 1)² = x² - 2x + 1

y = x² - 2x - 3

6 0
2 years ago
HELPPP!!! <br> Name two triangles that are congruent by ASA?
ASHA 777 [7]
The answer would be the second one, PRQ=VWX because you have to go in the order that gives you angle-side-angle, and that is the only one that includes them in the correct orde.
4 0
3 years ago
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Use substitution to solve 1-2.<br><br> 3x – 3y = 9<br> x= 7 – 3y
kondaur [170]

Answer:

Solutions are x =4 and y = 1

Step-by-step explanation:

3x-3y =9

In this equation substitute x=7-3y, we get

3(7-3y) -3y=9\\21-9y-3y=9\\-12y= 9-21\\-12y= -12\\y=1

now substitute y =1 in x equation,

x=7-3(1)\\x=7-3\\x=4

Solutions are x =4 and y = 1

8 0
3 years ago
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