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lidiya [134]
3 years ago
14

Help me out Answer choices A.8/15 B.15/16 C.16/16 D.15/8

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
8 0

Answer:

47.1: 50.24

Step-by-step explanation:

V= πr²(h/3)

 = 3.14 x 3²(5/3)

 = 3.14 x 9(5/3)

  = 3.14 x 3(5)

   = 3.14 x 15= 47.1

Volume of cylinder

V = πr²h

V = 3.14 x 2²  x 4 = 3.14 x 4 x 4 = 3.14 x 16 = 50.24

the ratio of Volume of Cone to Cylinder

47.1: 50.24 = 47.1/50.24 =

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Point B has coordinates ​(3​,2​). The​ x-coordinate of point A is −6. The distance between point A and point B is 15 units. What
xxTIMURxx [149]

Answer:

Distance between two points= √(x2-x1)²+(y2-y1)²

D= 15units

Let "k" be the y-coordinate of A

A(-6,k)

B(3,2)

15= √(3--6)²+(2-k)²

Taking square of both sides to eliminate the square root.

15²=(9)²+(2-k)²

225=81+4-4k+k²

k²-4k - 140=0

Using Quadratic Formula to evaluate

k= 14 or k=-10

The Possible coordinates of A are

(-6,14) or (-6,-10)

4 0
2 years ago
Help me plzzzz...... .
Vlada [557]

x = 4.5 so it is 3/-8 = 4.5/12

7 0
3 years ago
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Earlier we investigated the relationship between x = payroll (in millions of dollars) and y = number of wins for Major League Ba
Minchanka [31]

Answer:

Kindly check explanation

Step-by-step explanation:

Given that:

Equation of regression line : y^ = 60.7 + 0.139x

x = payroll (in millions of dollars) and y = number of wins for Major League Baseball teams in 2016.

From the general regression equation:

y = mx + c

Where m = slope of regression line.

The slope (m) of the equation given is 0.139

The slope could be interpreted as ; for every per unit change in y (every win a major league baseball team has in 2016), the payroll in million dollar increases by a product of 0.139

4 0
3 years ago
What is the absolute value of |5+8a|=53?
kozerog [31]

Answer:

a = 6 or a = -58/8

Step-by-step explanation:

I think you meant to ask us to solve for a.

There are two cases to solve for:

5 + 8a = 53 or -(5 + 8a) = 53

8a = 48 or 5 + 8a = -53

a = 6 or 8a = -58

a = 6 or a = -58/8

7 0
3 years ago
PLEASE HELP Which of the following functions is graphed below??
Veronika [31]

Answer:

y=\left \{ {{x^2+2,\:x\:

Step-by-step explanation:

The graph is a piece-wise function.

It is made up of a quadratic function and a linear function.  

The quadratic function is y=x^2+2 and the linear function is y=-x+2.


The graph of the quadratic function is defined on the  interval x\: and the graph of the linear function is defined on the interval x\ge 1.


So in short, if \:x\:, then y=x^2+2, else, y=-x+2.


Writing these two functions as a single piece-wise function gives,

y=\left \{ {{x^2+2,\:x\:


The correct answer is C.

3 0
3 years ago
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