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larisa [96]
3 years ago
14

Answer both question

Mathematics
1 answer:
Crank3 years ago
4 0

Answer:

5.)

15.36+x=32.11

15.36+x-15.36=32.11-15.36

x=32.11-15.36

x=16.75

6.)

-2(a-3b+c)

-2a+6b-2c

7.)

3a+15y-5a=-a+2(3-a)

-2a+15y= -a+6-2a

-2a+15y=-3a+6

-2a+15y+2a=-3a+6+2a

15y=-a+6

15y/15=-a+6/15

y=-a+6/15

I hope this is good enough:

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Please help me ASAP, thank you ^-^. The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π?
MrRa [10]
<h2>Answer:</h2>

The volume of the cone in terms of π is:

             

A.     392π in³

<h2>Step-by-step explanation:</h2>

The radius of the cone i.e. r is: 7 in.

and the slant height of the cone i.e. l=y=25 in.

and let h=x be the height of the cone.

Now, using the Pythagorean Theorem we have:

l^2=r^2+h^2\\\\i.e.\\\\h^2=l^2-r^2\\\\i.e.\\\\h^2=(25)^2-7^2\\\\i.e.\\\\h^2=625-49\\\\i.e.\\\\h^2=576\\\\i.e.\\\\h=\sqrt{576}\\\\i.e.\\\\h=24

Hence, we get:

h=x=25\ in.

Now, the volume of the cone is given by:

Volume=\dfrac{1}{3}\pi r^2h\\\\i.e.\\\\Volume=\dfrac{1}{3}\times\pi\times (7)^2\times 24\\\\i.e.\\\\Volume=392\pi\ in^3

        Hence, the answer is: Option: A

6 0
3 years ago
Read 2 more answers
A shipment of 17 televisions sets contains 3 defective sets. A hotel purchases 8 of these televisions sets. What is the probabil
Nuetrik [128]

Answer:

p=0.8765

Step-by-step explanation:

Let the following variables be represented as below:

Total Set,t=17

Def,d=3

Not Def,n=14

Purchases,p=8

The number of ways the hotel can receive at least one defective set in a purchase of 8 sets is calculated using the combination:-

p(\geq 1)=1-\frac{(_dC_0)(_nC_p)}{(_tC_p)}\\p=1-\frac{(_3C_0)(_14C_8)}{(_1_7C_8)}\\p=1-0.1235\\p=0.8764

So the proability of getting at least one defective unit is 0.8765

6 0
4 years ago
Anybody wanna help please?
Lisa [10]
Basically all you got to do is at each point go left and down 6 times!

Answer: (-9,0) (-3,0) (-2,-1) (-4,-2)
5 0
3 years ago
Solve the system of equations by any method
Ann [662]
Insert y and you get
X=0
Then insert x and you get
Y=-5
3 0
4 years ago
Find the sum of the first 15 terms of the arithmetic of the sequence where the 1st term is 3200 and the common difference is 150
Elis [28]

Answer:

just to 3200-15 repeatedly

4 0
4 years ago
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