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Blizzard [7]
3 years ago
13

PLEASE HELP 31 , 32, 33, 34, 35​

Mathematics
2 answers:
Readme [11.4K]3 years ago
5 0
Use this app called photo math
Lorico [155]3 years ago
3 0
Answer to 31 would be:
k*(x)-(2*(x-1)*(x+7))=0

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Tom is 8 years younger than John. Let j represent John's age in years. Write an algebraic expression to represent Tom's age in y
AlexFokin [52]

Answer:

(j-8)years is the answer to the question

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2 years ago
What is the oposite of 42
o-na [289]

Step-by-step explanation:

i think its 24

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3 years ago
Read 2 more answers
Unknown variables in Equations <br><br> 1. 7=w/14<br> 2.42/n=7<br> 3. 324/18=a
belka [17]

Answer:

w = 98

n = 6

a = 18

Step-by-step explanation:

Question 1)

7 = w/ 14

All you need to do is multiply each side by 14 to find w:

7(14) = W

W = 98

Question 2)

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For this one, first multiply each side by "n":

42 = 7n

and then divide both sides by 7:

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Question 3)

All you need to do for this question is divide 324 by 18 to find "a":

324/18 = a

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I hope this helps!

-TheBusinessMan

4 0
3 years ago
A fast typist can type 120 words in 100 seconds. At that rate, how many seconds would it take to type 258 words?
Alexeev081 [22]

Answer: 215 seconds

Step-by-step explanation:

This is a ratio problem so you can set up the ratio like this:

120 words : 100 second.

If you divide both sides of the ratio by 120 you get:

1 word: 0.8333 seconds

Multiply both sides of the ratio by 258 and you get:

258 words: 215 seconds.

Therefore typing 258 will take them 215 seconds.

5 0
3 years ago
Can’t even lie i’ve been struggling with this for a month now
ale4655 [162]

Answer:

Mixed number= 3 1/3

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Step-by-step explanation:

lol sorry :/

4 0
3 years ago
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