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professor190 [17]
1 year ago
11

80 1/4 is 5% of what number

Mathematics
1 answer:
MAXImum [283]1 year ago
8 0

Answer: 80 1/4 is 5% of 1605

Step-by-step explanation:

5 percent of some number = 80.25

let x = some number

\frac{5}{100} *x = 80.25

=\frac{100}{5} *\frac{5}{100} *x=80.25*\frac{100}{5}

=x=80.25*20

=x=1605

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30 meter building casts a shadow the distance from the top of the building to the tip of the shadow is 37 M find the length of t
Pavlova-9 [17]

Answer:  22 meters

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

Draw a picture of a right triangle and label the height as 30 meters and the hypotenuse as 37 meters.  Use the Pythagorean Theorem to find the base (the length of the shadow).

a² + b² = c²

x² + 30² = 37²

x²          = 37² - 30²

x²          = 1369 - 900

x²          = 469

√x²       = √469

        x = 21.656

        x ≈ 22

3 0
3 years ago
A set of pulleys is used to lift a piano with a mass of 102 kg. The piano is lifted 3 meters in 1 minutes. How much power is use
agasfer [191]

Answer:

50.031 watts

Step-by-step explanation:

Formula

Power = Force * distance / time

The units are critical

distance = meters

time = seconds

force = newtons = kg * m / s^2

Solution

F = m * a

a = 9.81

m = 102 kg

F = 102 * 9.81 = 1000.62 Newtons

T =  minute = 60 sec/min * 1 min

T = 60 seconds

d = 3 meters

Power = 1000.62 * 3 / 60

Power = 50.031

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2 years ago
If f(x)=3x-7, find f(x)=2
Arisa [49]

Answer:

x = 2

Step-by-step explanation:

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3 years ago
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The first one and the second one are the correct sums

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TIME REMAINING

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The battle that resulted in both a Confederate victory and the death of General “Stonewall” Jackson was

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