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dusya [7]
4 years ago
13

Help with the meaning of percent

Mathematics
2 answers:
natka813 [3]4 years ago
8 0
I did this is fourth grade.
pretty sure its 77/100 and 77%
Elanso [62]4 years ago
7 0

77 out of 100 = 77/100 = 77% correct

100-77 = 23 incorrect

= 23% = 23/100

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explain how to use mental if it took marty 42 minutes to write a book and 18 mins correcting his report.
nika2105 [10]
I think the correct answer would be, I did 42 minutes + 18 minutes. So it took Marty 60 minutes to read his book and correct his report.




Hope this helped! ;)
3 0
4 years ago
8select all correct answers what is 9,150, 000, 000, 000, 000, 000 Express in scientific notation
dangina [55]
9,150,000,000,000,000,000

the numbers should be

9.15\times10^{18}

or

9.15E18

because you move the point 18 places to obtain 9.15(the dot is initially at the end of the number)

7 0
1 year ago
Which statement about 4x2 + 19x – 5 is true?
Thepotemich [5.8K]

Answer:

(x+5)

Step-by-step explanation:

=>4x^2+19x-5\\=>4x^2+20x-x-5\\=>4x(x+5)-1(x+5)\\=>(x+5)(4x-1)

Here, (x + 5) matches your answer choices

3 0
3 years ago
Read 2 more answers
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konstantin123 [22]

Answer:

2 x 10 ^ 6

Step-by-step explanation:

4 0
3 years ago
Please help brainliest to correct answer
murzikaleks [220]

Answer:

2nd one

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as it is a negative number so the point on the number line should move backwards

8 0
3 years ago
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