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sashaice [31]
3 years ago
15

What’s 7 1/5 as a decimal?

Mathematics
1 answer:
arsen [322]3 years ago
7 0

Answer:

The answer is 7.2

Step-by-step explanation:

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A bucket of paint has spilled on a tile floor. The paint flow can be expressed with the function p(t) = 6(t), where t represents
Lerok [7]

A) From the function p(t)=6(t), we know that p is 6t, so we plug this into it, to get 3.14 * (6t)^2, or 113.04t^2.

B) Using what we got from A), we plug it in and get 113.04 * 8 * 8, or 7234.56 (Use a calculator on this, or just bash it with pencil and paper).

7 0
4 years ago
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a forest ranger in a 140-foot observation tower sees a fire moving in a direct path toward a lake. the angle of depression to th
Setler79 [48]

Answer:

1675 ft

Step-by-step explanation:

For us to calculate how close the windmill is to the fire, if we imagine it as a triangle, the distance from watch tower to the fire will be:

tan θ= opposite/adjacent

opposite=140 ft

adjacent = x

θ=3°

Thus;

tan 3 = 140/x

x=140/tan 3

x = 2,671.359 ft

Now, the distance from watch tower to windmill will be:

tan θ=opposite/ adjacent

θ=8°

opposite=140 ft

adjacent=y

thus

tan 8 = 140/y

y = 140/tan8

y=996.15 ft

Now, the distance between fire and wind mill will be:

x - y = 2671.359 - 996.15

x - y = 1675.209 ≈ 1675 ft

6 0
4 years ago
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Write 8867 to 2 significant figures<br>I can't remember how to do this. ​
diamong [38]
The answer would be 8900
Reason: when you round to 2 significant figures you are trying to reduce the number to 2 digits and the rest will become 0 to indicate a place value
8 0
3 years ago
Evaluate<br> 5x-2y;x=2,y=-1
Akimi4 [234]

Answer:

8

Step-by-step explanation:

5x - 2y

5 ( 2 ) - 2 ( 1 )

10 - 2

8

8 0
3 years ago
What is the degree of the following polynomial: . 3x3 + 2x - 4
klio [65]

Answer:

3

Step-by-step explanation:

look for the greatest exponent

5 0
3 years ago
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