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astra-53 [7]
3 years ago
5

Need some help with this photo it would be much appreciated :)

Mathematics
1 answer:
masya89 [10]3 years ago
4 0

Answer:

12.6

Step-by-step explanation:

c=2 x 3.14 x r

2 x 3.14= 6.28

6.28 x 2= 12.56

You might be interested in
A cone has a volume of 942 in.³ and a height of 9 inches what is the radius of the cone use 3.14 for pie
bija089 [108]

Answer:

r = 51.96 inches

Step-by-step explanation:

V_{cone} = \pi {r}^{2} h  \\  \\  \implies \: r^{2}  =  \frac{V_{cone}}{\pi h } \\  \\  \implies \:  r^{2} =  \frac{942}{3.14 {(9) } }\\  \\  \implies \:  r^{2} =  \frac{942}{3.14 {(9) } } \\  \\  \implies \:  r^{2} =2700 \\  \\  \implies \:  r= \sqrt{2700}  \\  \\  \implies \:  r=51.96 \: inches

8 0
2 years ago
I need help with number 1 please
Bond [772]
306 / 3.6 = 85 gallons per minute

5,200 = 85x
x = <span>61.1764705882

hope this helps</span>
4 0
3 years ago
Read 2 more answers
Hi, can someone please help me? trying to graduate :(
ehidna [41]

Answer:

D

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

here m = - 2 , then

y = - 2x + c ← is the partial equation

to find c substitute (3, - 2 ) into the partial equation

- 2 = - 6 + c ⇒ c = - 2 + 6 = 4

y = - 2x + 4 ← equation of line in slope- intercept form

7 0
2 years ago
X – 6 = 14 – 8 <br> 12 <br> 0 <br> 20 <br> –12
sineoko [7]

Hi there!

Answer:

<u><em>A. 12. x=12 and 12=x</em></u>

Step-by-step explanation:

addition property of equality is adding the same number both sides of an equation does not change the equation.

subtraction property of equality is subtraction the same number from both sides of an equation does not change the equation.

multiplication property of equality is multiplying both sides of an equation by the same number does not change the equation.

division property of equality is dividing both sides of an equation by the same number non-zero number does not change the equation.

x-6=14-8

subtract by 6 both sides of an equation.

x-6=6

add by 6 both sides of an equation.

x-6+6=6+6

simplify.

6+6=12

x=12

12-6=6

Hope this helps!

-Charlie

Have a great day!


7 0
3 years ago
2x -20 = -30<br> What is x?
RSB [31]
Answer: x=-5

2x-20=-30
x-10=-15
+10 +10
x=-5

Explanation: first, you need to divide by 2 to both sides. then, add 10 to both sides.

You should get, x=-5.
8 0
3 years ago
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