What is the name of the platonic solid below

Mathematics

1 answer:

Kisachek [45]2 years ago

8 0

Took the test and it’s D

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I need help solving this for pre calc

Katarina [22]

Starting with:

$\frac{2p}{p+1} + \frac{3}{p-1} = \frac{15-p}{p^{2}-1}$

First, the difference of 2 squares shows that $p^{2} - 1 = (p+1)(p-1)$

Sub that in and multiply both sides by $(p-1)(p+1)$ :

$\frac{2p(p+1)(p-1)}{p+1} + \frac{3(p-1)(p+1)}{p-1} = \frac{(15-p)(p-1)(p+1)}{(p-1)(p+1)}$

This easily simplifies to $2p(p-1) + 3(p+1) = 15 - p$

See if you can continue from here. If not, leave a comment and I or someone else can show you the rest.

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4 years ago

Find the missing side length.

Mandarinka [93]

Answer:

The missing side length is 5 cm

Step-by-step explanation:

We see that 4cm is on the top and 9 cm is on the bottom.

All we need to do is subtract 4 from 9

9-4=5

The missing side length is 5 cm

Hope this helps! Plz award Brainliest : )

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4 years ago

How do I write 0.205 in expanded form

cluponka [151]

0.2+ 0.05 My response is to short..sooooo hope u like my answer

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4 years ago

Your company is hosting a benefit 5 kilometer race. How long will the race be to the nearest tenth of a mile?

Morgarella [4.7K]

If you convert the numbers without rounding first, the number would be 3.10686.
So you have to round to the nearest tenth, which should be 3.1 miles.
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3 years ago

You earn $18 for watching three cars how much do you earn to Washing 2 cars

Sever21 [200]

Answer:

$12

Step-by-step explanation:

3 cars divide that by $18 and u get $6 per car. multiply that by two cars nd you get $12.

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