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Hoochie [10]
4 years ago
6

Hi I really need help it's confusing 8th grade math is hard can u please tell me what to put in the boxes please

Mathematics
2 answers:
PtichkaEL [24]4 years ago
6 0

1 .). Rational Numbers are often represented by Fractions.


2.). Real Numbers are usually represented as Decimals.


3.). A Percent is an uber specific way to represent a fraction with a denominator.


4.). Scientific Notation:

Interprets ==> Notation that has been generated.

Perform ===> Operations with numbers expressed in Scientific Notation.

Use =====> To determine units of appropriate size for measurements of very Large, or very Small Quantities.



35,036 1 / 3

Scientific Notation/Standard Form:

35,036

Expanded forms can be written like a sentence or stacked for readability as they are here.

Expanded Notation Form:

30,000 + 5,000 + 0 + 30 + 6

Word Form:

T thirty-five thousand, thirty - Six, and One third


35, 036 1 / 3:

Decimal =======> 35.36 1 / 3 =======> 11678.66667

Fraction ======> 35036 1 / 3

Scientific Notation/Standard Form: 30,000 + 5,000 + 0 + 30 + 6

Percentage: ======> 3,503,633.33% =====> 1 / 3 =====> 0.3333333....

Step by Step Solution:

Given Input Number : 1 / 3

= 1 * 10 + 3 * 1

= 1 * 10 + 3 * 1 * ( 10 / 10 )

= ( 1 + 0.3 ) * 10

= 1.3 x 101


5.). Scientific notation and exponential notations are one and the same. Writing numbers based on powers of ten is called exponential notation. It simplifies numbers by getting rid of zeros, and making math easier. It is a number notation which is the product of the number with the power of 10's. Exponential notation lets you move the decimal point in a number.




Hope that helps!!!! : )



KonstantinChe [14]4 years ago
3 0
Decimal: It’s easier to work with the numbers You can add, subtract, multiply and divide in your head (for the most part) instead of having to find common denominators and things like that.

Fraction: You can put repeating values in fraction form to represent them in a simpler way, as opposed to having to put the line over the repeating digits if it were in decimal form.

Power: Powers are just condensed forms of repeated multiplication, so they save space/time and you can use certain properties with some powers that allow you to multiply and divide them instantly.

Scientific notation: This is good when you’re dealing with numbers that have a lot of digits/place value. That can become confusing, so scientific notation is a way we can represent these numbers clearly and more condensed (takes less space/time).

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Find the mean of this data set: (Thank You all in advance!!!!!!!!!!!!!)
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The mean is 4 because all you have to do is subtract two numbers together it does not matter which one but i prefer to do the first two numbers. 
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4 years ago
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the difference of two numbers is 20 the larger of the two number is 2 more than twice the smaller. what are the two numbers?
faltersainse [42]

Answer:

x = 38

x = 18

Step-by-step explanation:

Let one number = x

Let the second number = y

x - y = 20

x must be the larger of the two numbers

x = 2y + 2                               Put this equation into the equation above

2y + 2 - y = 20                       Combine

y + 2 = 20                              Subtract 2 from both sides

y = 20 - 2

y = 18

x - 18 = 20                            Add 18 to both sides

x = 38

 

7 0
3 years ago
Which of the following situations describes a transformation of kinetic energy to potential energy?
irakobra [83]

Answer:

c

Step-by-step explanation:

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A kid spent $100.00 to get 100 toy animals. The child bought at least one cat, one fish, and one bird, and did not buy any other
Rama09 [41]

Answer:

5 cats, 1 fish and 94 birds

Step-by-step explanation:

Let

  • c be the number of cats;
  • b be the number of birds;
  • f be the number of fish.

A kid bought 100 toy animals, then

c+b+f=100

If a cat costs $10.00, then c cats cost $10c.

If a fish costs $3.00, then f fish cost $3f.

If a bird costs $0.50, then b birds cost $0.5b.

In total,

10c+3f+0.5b=100

We get the system of two equations:

\left\{\begin{array}{l}c+b+f=100\\10c+3f+0.5b=100\end{array}\right.

From the first equation:

b=100-c-f

Substitute it into the second equation:

10c+3f+0.5(100-c-f)=100\\ \\10c+3f+50-0.5c-0.5f=100\\ \\9.5c+2.5f=50\\ \\95c+25f=500\\ \\19c+5f=100\\ \\f=20-\dfrac{19}{5}c

Number f must be a whole number greater than 0, so

20-\dfrac{19}{5}c>0\\ \\c

Number c must be a multiple of 5, thus the only possible value for c is 5.

When c = 5, then

f=20-5\cdot \dfrac{19}{5}=20-19=1\\ \\b=100-5-1=94

8 0
4 years ago
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