3 years ago

A computer floppy disk has a mass of 20 grams. how many would you need to have a total mass of 1 kilograms

2 answers:

6 0

50 is the amount of floppy disks you'll need. Divide the amount of grams by a single kilogram.

Basically number of grams in a kilogram divided by 20.

Sedaia [141]3 years ago

3 0

5 disks are 100g
50 disks would be 1000g
The answer is 50

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In the image below, DE ∥ BC. Find the measure of EC. Set up a proportion and solve for the measure. Show your work and label you

Anastaziya [24]

Answer:

EC = 1 ft

Step-by-step explanation:

DE // BC and AC and AD are transversal lines

∴ ∠E≅∠C ⇒ corresponding angles are congruent

∠D≅∠B ⇒ corresponding angles are congruent

∠A≅∠A ⇒ Reflexive property

∴Δ ADE is similar to ΔABC by AA postulate

So, The corresponding sides are in proportion.

$\frac{AC}{AE} = \frac{AB}{AD}$

AE = 4 ft , AD = 8 ft , AB = 8 + 2 = 10 ft

AC = AE * AB/AD = 4*10/8 = 40/8 = 5 ft

EC = AC - AE = 5 - 4 = 1 ft

So, the Length of EC = 1 ft.

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4 years ago

6x^2+x-1=(2x+1)( ) Whats the missing factor

SIZIF [17.4K]

The missing factor is (3x-1)

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4 years ago

There are 5280 feet in a mile. what fraction of a mile is represented by 660 feet?

alina1380 [7]

900/5280 = 90/528 = 45/264 = 15/88

CHECK: 15/88 * 5280 = 900

The answer to your question is = 15/88

HOPE THIS HELPS !!!!

7 0

4 years ago

The area of a circular trampoline is 112.07 square feet. What is the radius of the trampoline? Round to the nearest hundredth.

jek_recluse [69]

Here is the solution:

A = pi*r^2=112.07 
r = (112.07/pi)^1/2 
r = 5.97 ft

The radius of the trampoline is 5.97 ft. The correct answer between all the choices given is the third choice.

I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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Kazeer [188]

I think so its A [infinity]Qn=1(−1)n

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3 years ago