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Vikentia [17]
3 years ago
10

HELLPP ME PLEASE!!!! I WILL GIVE 30 POINT AND BRAIN LIST THIS IS DUE IN 30 MINUTES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
tatyana61 [14]3 years ago
3 0

Answer:

Any value greater than 19 hours.

Step-by-step explanation:

hope it helps

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Cody started a fire in a field. The fire was expanding outward in all directions forming a larger and larger circle. The radius
Dimas [21]

Answer:

<h2> 55.10min </h2>

Step-by-step explanation:

This problem is on the mensuration of flat shapes.

given that the initial radius before Cody alerted the fire department is

10 ft

Then we can calculate the area of the fire as

Area= πr^2

Area=3.142*(10)^2

Area=3.142*100

Area=314.2ft^2

Also, given that the area of the circular fire has grown to 45401 square feet

let us solve for the radius first, then we can calculate the time taken since the radius was increasing by 2 ft/min

let the radius of the large fire be R

45401=πR^2

R^2=45401/3.142

R^2=14449.714

square both sides we have

R=√14449.714

R=120.2ft

The difference between the radius of the initial fire and the large fire is

R-r=120.2-10

    =110.2ft

Hence the time taken can be calculated as

time= 110.2/2

time=55.10min

8 0
3 years ago
What is the solution to 2x + 8 &gt; 10 ?
leva [86]
The answer is x > 2  B
6 0
3 years ago
A mechanic charges $60 to inspect your heater, plus $70 per hour to work on it. You owe the mechanic a total of $410. Write and
uranmaximum [27]

Answer:

($410 - $60) / $70 = 5

After subtracting the $60 base fee, you can just divide the hours paid for by the hourly wage and find out how many hours were worked. Hope this helps!

5 0
3 years ago
Show an equation to find out how many milliliters are in 3.4 L
Allisa [31]

Answer:

3,400 ml

Step-by-step explanation:

Conversion factor: 1000

2) mL = L * 1000

3) mL = 3.4 * 1000

4) mL = 3400

3 0
3 years ago
Which system of equations has the same solution as the system below?
worty [1.4K]

Answer: Both A, and C

Step-by-step explanation:

The answer to the first system of equations (2x+2y=16) would be

x=3 and y=5 ( 3x-y=4 )

Which means we have to find out which of the other equations has an x value of 3, and a y value of 5.

If A is 2x+2y=16, then x=3 and y=5

           6x-2y=8

If B is x+y=16, then x=5 and y=11

         3x-y=4

If C is 2x+2y=16, then x=3 and y=5

           6x-2y=8

If D is 6x+6y=48 , then x=-2 and y=10

            6x+2y=8

Both A and C are equal to the first system of equations, which means they are both correct answers.

8 0
3 years ago
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