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3 years ago

Pls help

Mathematics

1 answer:

AlladinOne [14]3 years ago

5 0

1. x = (1/2 - y/4) + y = 2-4x

2.x = (3+y) - y = -3 + x

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what is the average when you add 122.99%, 108.46% and 102.65%? I don't know how to add percentages.

Luba_88 [7]

Answer:

111.33667

Step-by-step explanation:

You add percentages just like you would any other number.

122.9% + 108.46% + 102.65% = 334.01%

334.01%/3 = 111.33667

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3 years ago

Twenty times one hundred and one (20 x 101)

Dmitrij [34]

Answer:

2020

Step-by-step explanation:

2020

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3 years ago

6 × 10E2 as a standard notation

Allisa [31]

Answer:

600

Step-by-step explanation:

6x10^2 = 600

7 0

3 years ago

Read 2 more answers

The mass of the sun is 2.13525×10^30 kilograms. The mass of Mercury is 3.285×10^23 kilograms.

Rama09 [41]

Answer:

The mass of Sun is $65\times 10^5$ times greater than mass of Mercury.

Step-by-step explanation:

We are given that

Mass of the sun= $M=2.13525\times 10^{30}$ kg

Mass of Mercury, $m=3.285\times 10^{23}$ kg

We have to find how many times greater is the mass of the sun than the mass of Mercury.

Mass of sun/Mass of mercury= $\frac{2.13525\times 10^{30}}{3.285\times 10^{23}}$

Mass of sun/Mass of mercury $=0.65\times 10^{30-23}$

Using the property

$a^x/a^y=a^{x-y}$

Mass of sun/Mass of mercury $=0.65\times 10^{7}$

Mass of sun/Mass of mercury $=65\times 10^5$

Mass of Sun= $65\times 10^5$ times Mass of Mercury

Hence, the mass of Sun is $65\times 10^5$ times greater than mass of Mercury.

8 0

3 years ago

What integer describes gaining 5 pounds?

11111nata11111 [884]

General Idea:

Integers in real life are used to denote both positive and negative numbers. For example to represent profit, gain, increase, deposit, Income we use positive integers and to represent loss, expenditure, decrease, withdrawal we use negative integers.

Conclusion:

The integer describes gaining 5 pounds is +5.

4 0

4 years ago