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zalisa [80]
3 years ago
9

Forty-five is 20% of what number?

Mathematics
1 answer:
Marrrta [24]3 years ago
8 0
20%/100*45 If u know the formula tell me I will do it
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Need help please?!?!?! Extra points!!!
andrey2020 [161]

Answer:

4.19

Step-by-step explanation:

just use the formula 2pir^2

8 0
3 years ago
What is the measure of Zx?
alexgriva [62]

Answer:

66

Step-by-step explanation:

180 - 105 = 75

75 + 39 = 114

180 - 114 = 66

8 0
3 years ago
Write a word problem that can be described by the division expression 3÷1/4. Use complete sentences in your answer
AURORKA [14]
The question is simply asking us to create a word problem.
The word problem describing the division expression  3÷1/4 will be:
Given that Annie has 3 oranges and he wants to each orange into quarters, how many quarters will Annie have in total?
 
4 0
3 years ago
Read 2 more answers
a language arts test is worth 100 points there is a total of 26 questions . there are spelling word questions that ae worth 2 po
natka813 [3]

10 question of spelling words and 16 questions of vocabulary are present

<em><u>Solution:</u></em>

Let "x" be the number of spelling word questions

Let "y" be the number of vocabulary word question

<em><u>There is a total of 26 questions. Therefore, we get</u></em>

number of spelling word questions + number of vocabulary word question = 26

x + y = 26 --------- eqn 1

<em><u>There are spelling word questions that worth 2 points each and vocabulary word question worth 5 points each</u></em>

The language arts test is worth 100 points

Therefore, we frame a equation as:

number of spelling word questions x 2 + number of vocabulary word question x 5 = 100

x \times 2 + y \times 5 = 100

2x + 5y = 100 --------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

From eqn 1,

x = 26 - y ------- eqn 3

<em><u>Substitute eqn 3 in eqn 2</u></em>

2(26 - y) + 5y = 100

52 - 2y + 5y = 100

3y = 100 - 52

3y = 48

<h3>y = 16</h3>

<em><u>Substitute y = 16 in eqn 3</u></em>

x = 26 - 16

<h3>x = 10</h3>

Thus 10 question of spelling words and 16 questions of vocabulary are present

4 0
3 years ago
What's 482 rounded to the nearest 10
Fantom [35]
The answer to this would be 480. ((:
8 0
3 years ago
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