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Zolol [24]
2 years ago
5

How can you quickly calculate 20 percent of any bill amount?

Mathematics
2 answers:
Olin [163]2 years ago
8 0
Turn 20 into 20/60 then divide them
It equals 3
3%
inna [77]2 years ago
6 0
Take it and divide it by 5, or you can multiply it by .2
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A bicycle cost $ 129.50. You pay $7.77 in sales tax. What is the tax rate?
viva [34]
7.77/129.5 = 0.06
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6 0
3 years ago
Anne's computer is broken. Cal's computer helpers charges a $50 fee plus $25 per hour (h) to fix it. Which expression represent
AnnZ [28]

Answer:

y = 25h + 50

Step-by-step explanation:

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2 years ago
A vial holds 2 milliliters of pixie dust.
Alina [70]

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5 0
2 years ago
The volumes of two cylindrical cans of the same shape vary directly as the cubes of their radii. If a can with a six-inch radius
Cerrena [4.2K]

Answer:

The second similar can with a radius of 24-inch radius will hold 12 gallons

Step-by-step explanation:

The given parameters are;

The volumes of the cylindrical can ∝ (The radius of the cans)³

The volume of first can, V₁ = 1¹/₂ pints

The radius of the first can, r₁ = 6-inch

The radius of the second can, r₂ = 24-inch

Therefore, we have;

V ∝ r³

V = k × r³

∴ 1¹/₂ pints ∝ (6 in.)³

1¹/₂ pints = 43.3125 in³

∴ 43.3125 in³ = k × 216 in.³

The constant of proportionality, k = 43.3125/216 = 0.2005208333

Therefore, we have for the second can, we have;

V₂ = k × r₂³ = 43.3125/216 × (24 in.)³ = 2772 in.³

The volume of the second can = 2772 in.³

1 in.³ = 0.004329 gallons

∴ 2772 in.³ = 2772 × 0.004329 gallons = 12 gallons

Therefore, the volume the second similar can with a 24-inch radius will hold = 12 gallons.

8 0
3 years ago
Please help, only two answers
Illusion [34]

Answer:

What I think are the answers are C,D, and A, hope this helps.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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