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2 years ago

15

Andrew earns an allowance of $14 the first week, $17 the next week, $20 the following week, and so on. How much will Andrew earn

over the course of 10 weeks? Enter your answer in the box.

2 answers:

Juliette [100K]2 years ago

5 0

Answer: $275

I know this is right because I just took the test and got 100%.

Flauer [41]2 years ago

4 0

14+17+20+23+26+29+32+35+38+41=275
Ea week the allowance increase by $3

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3 years ago

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3 years ago

Read 2 more answers

Please help!!!!!!!!!!

Lady bird [3.3K]

Answer:

$\large\boxed{a=4\sqrt3}$

Step-by-step explanation:

We have the triangle 30° - 60° - 90°. In that triangle sides are in proportion

1 : √3 : 2 <em>(look at the picture).</em>

<em />

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7 0

3 years ago

Please help me please please

LenKa [72]

Answer:

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Step-by-step explanation:

First, find height using Pythagoras thorem.

a= $\sqrt{20^2+12.5^2}$

a=15.61

Then use the formula to find the surface area of a cone.

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2 years ago