3 years ago

Why is earth known as diatomaceous Earth???From biology

1 answer:

8 0

Answer:

Diatomaceous earth is made from the fossilized remains of tiny, aquatic organisms called diatoms. Their skeletons are made of a natural substance called silica. Over a long period of time, diatoms accumulated in the sediment of rivers, streams, lakes, and oceans. Today, silica deposits are mined from these areas.

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(- 1/2 + 3/4 ) 1/5

marta [7]

I hope this helps you

(-2/4+3/4).1/5

1/4.1/5

1/20

4 0

2 years ago

Valerie has a circular garden. The radius of the garden is 4 feet. She wants to buy edging to outline her circular garden.Which

ss7ja [257]

You'd need to find the distance AROUND the garden, which is also PERIMETER.

To find the perimeter of a circle, you use the following equation:
$2 \pi r$

$2 \pi (4)$ = $8 \pi$

$8 \pi$ = 25.13 ft

I don't know what your answer options are, but chose the option closest to 25.13 ft

4 0

3 years ago

Bob and Carl each rented the same kind of moving truck from EZ Move. There was a flat rental fee plus a charge per mile that the

dexar [7]

Answer:

ok so we can turn both of these into equations

Bob: 112.96 divided by 138=0.81855072463

so about 82 cents per mile

Carl: 142.78 divided by 209=0.68315789473

so about 68 cents per mile

so ya i am a little confused but heres what i got

7 0