2 years ago

Math on the Spot Funtime Carnival charges a $3.00 entrance fee and $1.00 per

1 answer:

7 0

Create an equation for both carnivals and set them equal to each other 3+(1*e)=5+(.5*e)
The total amount of rides to be equal is 4 and the cost is $7

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The mass of an electron is approximately 9 × 10-28 grams, while the mass of a neutron is approximately 2 × 10-24 grams. Which of

aalyn [17]

Answer: the mass of a neutron is approximately 2,000 times the mass of an electron

Step-by-step explanation:

- the easiest way to solve this (in my opinion) is to simply divide the mass of a neutron by the mass of an electron

- $2 x10^{-24} / (9 x10^{-28} )$

= $(2/9) x10^{-24--28}$

= $(2/9)x10^{-24+28}$

≈ $0.2222x10^{28-24}$

≈ $0.2222x10^{4}$

≈ which is approximately 2222

- so 2222 is approximately 2000 times

- therefore, the mass of a neutron is approximately 2,000 times the mass of an electron

hope this helps :)

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1 year ago

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iVinArrow [24]

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2 years ago

Find the common difference of the arithmetic sequence –9,–13, -17,...

Semenov [28]

Answer:

-4

Step-by-step explanation:

t2 - t1

-13 - (-9)

-13 + 9

= -4

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2 years ago

Find the total surface area of this triangular prism

FinnZ [79.3K]

Answer:

976 cm^2.

Step-by-step explanation:

The surface area = 2 * area of the triangular side + 2 * area of the rectangular sides + area of the rectangular base.

= 2 + 1/2 * 24 * 14 + 2 * 25 * 10 + 14*10

= 336 + 500 + 140

= 976 cm^2.

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3 years ago

it took jake 28 minutes to run 5km last months. this month he ran 5km in 21 minutes. by what percentage had jake improve his run

mars1129 [50]

Answer:

25%

Step-by-step explanation:

28-21=7

7/28=×/100

7×100=700

700÷28=25

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2 years ago

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