MATHEMATICS HIGH SCHOOL

What percentage of the shape is purple

Answers

Answer 1

Answer: the answer is going to be: 75%

Answer 2

Answer:

Answer:

75% of the circle is purple

Step-by-step explanation:

this circle is split into 4ths, meaning each piece is equivalent to 25%. And since 3 pieces are purple, you multiply 25x3 to get 75. Leaving 25% of the circle white.

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Express 130 billion in scientific notation

Answers

Answer:

The scientific notation of $130$ billion is $1.3*10^(11)$

Step-by-step explanation:

Given: $130$ billion

As per question,

we have to express $130$ billion in scientific notation.

As we know that,

A method for expressing a given quantity as a number having significant digits necessary for a specified degree of accuracy, multiplied by 10 to the appropriate power.

Example: $1385.62$ written as $1.386*10^3$ .

$1\rm\;{billion}=1,000,000,000\n130\rm\;{billion}=130,000,000,000$

Now, In scentific notation of $130,000,000,000=13*10^(10)$

$=1.3*10^(11)$

Hence, $130$ billion in scientific notation is $1.3*10^(11)$ .

For more information:

brainly.com/question/2005529?referrer=searchResults

130,000,000,000 = 1.3 x 10^11

What is 1 2/3 as an improper fraction

Answers

An improper fraction is when the numerator(or top number) of a fraction is bigger than the denominator(bottom half of the fraction).

To solve this;
1 2/3 we multiply our denominator by the whole number and add the numerator.
1x3=3+2=5

Now, the improper fraction:
5/3

Answer:

5/3

Step-by-step explanation:

This fraction is the same as having

1 + 2/3

if you make both of them have the same denominator then

3/3 + 2/3 = 5/3

If 12 mod 13=X mod 5 find the value of X

Answers

Answer:

HI,

Step-by-step explanation:

12 mod 13=12

$x \equiv 12 [5]\n\nx \equiv 2 [5]\n\n\nx\in 5*\mathbb{N}+2=\{2,7,12,17,22,27,32,37....\}$

If three apples cost $6, how much does one apple cost? *

Answers

Answer:

2 dollars

Step-by-step explanation:

What's the equation for "ten times the sum of half a number and 6 is 8

Answers

10(.5 + 6)=8

If you need me to explain, let me know.

There were 28 boys on the boy's basketball team and 16 girls on the girl's basketball team last year. This year the number of boys decreased by 8% but the number of girls increased by 19%. Was there an increase or decrease in overall participation?

Answers

There is an increase in total participants.

What is unitary method?

The unitarymethod is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

number of boys = 28

Number of girls = 16

Total participants = 28 + 16 = 44

Now, there is decrease in number of boys by 8%

= 28- 8% x 28

=28- 8/100 x 28

=28 - 0.08*28

=28 -2.24

= 25.76

and, there is 19% increase in number of girls

=16 + 0.19 x 16

=16 + 3.04

=19.04

So, total participants = 25.76 + 19.04

= 44.8

Hence, there is an increase in total participants.

Learn more about unitarymethod here:

brainly.com/question/22056199

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I’m pretty sure it decreased, apologies if I got this wrong

The sum of participants last year was 44 students, but this year was only 37.80 participants.

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