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ikadub [295]
3 years ago
5

Help me pls this is urgent ;>

Mathematics
1 answer:
postnew [5]3 years ago
5 0

Answer:

\frac{ |a + x| }{2}  -  \frac{ |a - x| }{2}  \\  \\  =  \frac{ | - 2 - 6| }{2}  -  \frac{ | - 2 + 6| }{2}  \\  \\  =  \frac{ | - 8| }{2}  -  \frac{ |4| }{2}  \\  \\  =  \frac{8}{2}  -  \frac{4}{2}  \\  \\  = 4 - 2 = 2

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What is the approximate volume of the cone? Use 3.14 for π.
telo118 [61]

Answer:

About 131.95 (you may have to round up)

Step-by-step explanation:

Volume of a cone = pi(r^2)(h/3)

= pi(3^2)(14/3)

= pi(9)(4 & 4/5)

= pi(43.2)

If your teacher wants an exact number, you have to multiply 43.2 y whatever your teacher says to shorten pi to, usually 3.14. The about 131.95 is from 43.2*3.14 I think.

8 0
2 years ago
Every hour the number of users of a new smartphone app increases by 18 percent. At 1:00 p.m., there were 12,322 users. What expo
GaryK [48]

Answer:

B

Step-by-step explanation:

Y is the starting point so it would be y=12322 and it becomes 1.18 because you add 100 to 18

5 0
3 years ago
Use the number line below, where RS=7y+3, ST=2y+9, RT=14y-8<br>a. What is the value of y?<br>y=
Ilia_Sergeevich [38]
RS+ST= RT
(7Y+3)+(2Y+9)= 14Y-8
9Y+12=14Y-8
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Y=4
8 0
3 years ago
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love history [14]

Answer:

x = -10

x = 5

Step-by-step explanation:

{x}^{2}  + 5x - 50 = 0 \\ (x + 10)(x - 5) = 0 \\  \\ x =  - 10 \\ x = 5

8 0
2 years ago
Please help am stuck on this
Marina86 [1]

Answer:

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8 0
3 years ago
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