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maw [93]
4 years ago
15

61 students sign up for the school play. About 34% of these students were boys. At the audition, only 31 girls attended. What pe

rcent of girls who sign up for the play attended the audition?
Mathematics
1 answer:
skad [1K]4 years ago
6 0

20 girls participated

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Solve (x) F(x)=x^2+3x-2  is x-2
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3 years ago
Commission of sales is 8% and worker earns $2,560 commission. what are sales?
Naddika [18.5K]
2560 • 0.08 = $204.80 in sales.
4 0
4 years ago
Tobias is constructing pylons to prevent cars from driving on a bike path. How much concrete, in cubic feet, will Tobias need fo
Naddika [18.5K]

Answer: \frac{2}{3}\pi \ ft^3

Step-by-step explanation:

Since you indicate that it is a cone, you need to use the formula for calculate the volume of a cone. This is:

A_{cone}=\frac{1}{3}\pi r^2h

Where "r" is the radius and "h" is the height of the cone.

According to the information  given in the exercise, the height and the radius of the pylons are the following:

r=1\ ft\\\\h=2\ ft

Then, knowing these values, you can substitute them into the formula,as following:

A_{cone}=\frac{1}{3}\pi (1\ ft)^2(2\ ft)

Finally, evaluating, you get that the volume of concrete that Tobias will need for each pylon is the one shown below:

A_{cone}=\frac{1}{3}\pi (2\ ft^3)\\\\A_{cone}=\frac{2}{3}\pi \ ft^3

8 0
3 years ago
Graph y=-6(3)^x<br><br> please do the table and the graph <br><br> 20 POINTS!
Margarita [4]

Answer:

<em>Explanation to the answer below... (Answers in the Explanation</em><em>)</em>

Step-by-step explanation:

We Know that our rule is y = y = -6(3)^{x} , which means we can use this rule to find y from x. Since we don't know what X, is, we have to assume numbers like 1, to 7. And there is no space to write on the graph, I'll put a virtual copy of a graph.

1st Point,

y = -6(3)^{x}\\y =  -6(3)^{1}\\y = -6(3)\\y = -18\\x = 1, y = -18

2nd, point

y = -6(3)^x\\ y = -6(3)^2\\y = -6(9)\\y = -54\\x = 2, y = -54

3rd Point

y = -6(3)^x\\y = -6(3)^3\\y = -6(27)\\y = -162\\x = 3, y = -162

4th Point

y = -6(3)^4\\y = -6(81)\\y = -486\\x = 4, y = -486\\

5th Point

y = -6(3)^5\\y = -6(243)\\y = -1458\\\x = 5, y = -1458

6th Point

y = -6(3)^x\\y = -6(3)^6\\y = -6(729)\\y = -4,374\\x = 6, y = -4,374\\

7th Point (Last Point)

y = -6(3)^x\\y = -6(3)^7\\y = -6(2,187)\\y. = -13,122\\x = 7, y = -13,122

Let's now plot them on the Graph, the values are so big, the graph might look a little odd.

Always remember that we can continue the points infinitely, and there is no stop, The Graph is attached below...

4 0
3 years ago
What is this (2⋅3) ^2 −5^2 = I don't know what the dot means I think it means multiplication I got 11 am I right
Lana71 [14]

Answer:

11

Step-by-step explanation:

Step 1: Parenthesis

6² - 5²

Step 2: Exponents

36 - 25

Step 3: Subtract

11

The dot is multiplication.

8 0
3 years ago
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