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Vinil7 [7]
2 years ago
9

115 students could sign up to hear three different speakers for career day. 70 students heard the nurse speak, 52 heard the fire

fighter, and 78 heard the webmaster. Some students heard more than one speaker. The results are shown in the table below.
___________________________________
Number of students | Speaker
15 | All three
20 | Nurse and firefighter
30 | Webmaster and nurse
12 | Firefighter only

How many students signed up for Webmaster only?
Mathematics
1 answer:
Crank2 years ago
4 0
I think it is 28 but, i'm not completely sure. Hopes it helps
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Help Me This Is Multiple Choice
Alex Ar [27]

Answer:

The answer is 3, 4, and 6 choices

Step-by-step explanation:

Because its correct

Pls mark me as brainliest

7 0
2 years ago
Read 2 more answers
C = 5(F -32)/ 9; for F
ololo11 [35]

Answer:

32+9C/5

Step-by-step explanation:

First you must follow PEMDAS, the order of operations. So you mutiply 9 by both sides to get 9C =5(F - 32) then you must divide by 5, to get

9C/5=F-32 and lastly you must add 32 to both sides to cancel out the 32 leaving you with 32+ 9C/5

3 0
3 years ago
Use the net to find the surface area of the cylinder.
Flauer [41]
Surfacea are=2circles+rectangle

areacircles=2*pi*5^2=2*pi*25=50pi

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area=10pi times 7=70pi

add
50pi+70pi=120pi yd^2
 
4 0
2 years ago
(17, -13), (17, 8)<br> What is the slope through the line
Sophie [7]

Answer:

undefined

Step-by-step explanation:

We can use the slope formula

m = ( y2-y1)/(x2-x1)

    = ( 8 - -13)/ ( 17-17)

   = ( 8 +13)/ ( 17-17)

   = 21/ 0

We can not divide by 0, so the slope is undefined

7 0
3 years ago
Read 2 more answers
Helpppppppppppppppppppppppppp
Vsevolod [243]

Answer:

1.

x <   -  \frac{5}{13}

2.

x \geqslant  -  \frac{1}{5}

Step-by-step explanation:

↷

- \frac{13}{16}x +  \frac{3}{8}  <  \frac{11}{16}  \\  \frac{  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  - \frac{3}{8 }    <   -   \frac{3}{8} }{ \frac{  -  \frac{13}{16}x }{   - \frac{13}{16} }   <   \:  \:  \:  \frac{ \frac { 5}{16} }{ -  \frac{ 13}{16} } }   \\  \\ x  <    \frac{ - 5}{ \: 13}

↷

\frac{1}{3}  \geqslant  \frac{2}{9}  -  \frac{5}{9} x \\  \frac{   -  \frac{  2}{9} \geqslant   -   \frac{2}{9} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   }{ \frac{ \:  \:  \:  \frac{1}{9}x }{  - \frac{ 5}{9} } \geqslant   \frac{  - \frac{5}{9} }{  - \frac{5}{9} }   }  \\  \\ x  \geqslant   -  \frac{1}{5}

6 0
3 years ago
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