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erik [133]
3 years ago
8

7.

Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0

Answer:

ha plz follow me then I will say the answer

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Ok help me please guys ..what is 61=3b+7 ?
Neporo4naja [7]
61 = 3b + 7

3b + 7 = 61

3b = 61 - 7

3b = 54

b = 54/3

b = 18.
7 0
2 years ago
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Help i’m a bit confused and it’s due today……
strojnjashka [21]

Step-by-step explanation:

Regression Equation has the firm of,

Y = aX + b

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The water is filling a swimming pool at a rate of 1000 gallons every 15 minutes. At this rate, how long will it take to fill a s
allochka39001 [22]

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2 hours and 30 minutes to fill it up

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2 years ago
Match the English word or phrase to its math equivalent.
nydimaria [60]
Sum is addition, less than is subtraction, equals is is, division is of and multiplication is per
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3 years ago
A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, t
7nadin3 [17]

To solve this problem, we can use the tan function to find for the distances covered.

tan θ = o / a

Where,

θ = angle = 90° - angle of depression

o = side opposite to the angle = distance of boat from lighthouse

a = side adjacent to the angle = height of lighthouse = 200 ft

When the angle of depression is 16°18', the initial distance from the lighthouse is:

o = 200 tan (90° - 16°18')

o = 683.95 ft

When the angle of depression is 48°51', the final distance from the lighthouse is:

o = 200 tan (90° - 48°51')

o = 174.78 ft

 

Therefore the total distance the boat travelled is:

d = 683.95 ft - 174.78 ft

<span>d = 509.17 ft</span>

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2 years ago
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