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alukav5142 [94]
3 years ago
7

How did you determine the number of cups needed to make a stack 50 cm in height?

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0

Answer:

the number of cups is kept within other  till the cups reach reach 50cm

x=number of cups

y= height of the cups when placed on each other

so the equation would be  ; x + y=50

Step-by-step explanation:

mark brainliest

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Find the final price or each product after sales tax is applied. Round to the nearest cent. Potted Plant: $17.29 Sales Tax: 3%​
Margaret [11]

Answer:

17.81 would be your answer.

Step-by-step explanation:

You would do 17.29 x 1.03 to get the price after sales tax is added which would be 17.81

4 0
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Slope of (2,-9) (6,-6)
gladu [14]

Answer:

3/4

Step-by-step explanation:

The slope of the line can be found by

m = (y2-y1)/(x2-x1)

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5 0
3 years ago
An investment of $25,000 pays 7% (simple) annual interest. What will be the total value of the investment in 10 years? Give your
m_a_m_a [10]

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Step-by-step explanation:

The formula for simple interest is expressed as

I = PRT/100

Where

P represents the principal

R represents interest rate

T represents time in years

I = interest after t years

From the information given

T =10 years

P = $25000

R = 7%

Therefore

I = (25000 × 7 × 10)/100

I = 1750000/100

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Therefore, the total value of the investment in 10 years would be

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7 0
3 years ago
Prove that the trajectory of a projectile is parabolic, having the form y = ax + bx2. To obtain this expression, solve the equat
olga_2 [115]

Answer: y = v₀tgθx - gx²/2v₀²cos²θ

a = v₀tgθ

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Step-by-step explanation:

x = v₀ₓt

y = v₀y.t - g.t²/2

x = v₀.cosθt → t = x/v₀.cosθ

y = v₀y.t - g.t²/2

v₀y = v₀.senθ

y = v₀senθ.x/v₀cosθ - g/2.(x/v₀cosθ)²

y = v₀.tgθ.x - gx²/2v₀²cos²θ

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8 0
3 years ago
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