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denis-greek [22]
3 years ago
7

Help pls I don’t know this

Mathematics
2 answers:
makkiz [27]3 years ago
8 0

Answer:

i don't know sorry im just answering so i could ask question

Paha777 [63]3 years ago
3 0
Sjsjskwkajdnddndndks
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Translate five times the sum of a number and three into a mathematical expression
sergiy2304 [10]

Answer:

5(x-3)

Step-by-step explanation:

The word "SUM" means the answer to an "ADDITION".

"SUM" is always used with the word "AND" to indicate which numbers are being added.

The SUM of a number AND -3 is written as:  

( x + ( − 3 ) ), or  ( x -3 )

(where we have chosen the number to be  x .)

But we want FIVE of those sums; this means:

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4 0
3 years ago
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3 years ago
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it takes Zack 15 minutes to walk 7 1\2 blocks to the swimming pool. at this rate, how many blocks can he walk in one minute?​
gayaneshka [121]

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1/2 of a block

Step-by-step explanation:

Use proportions to solve

7.5 blocks / 15 minutes = x blocks / 1 minute

7.5=15x

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Find two accurate angels that satisfy the equation sin(3x +8)=cos (x+10)
Eduardwww [97]

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