3 years ago

Pretty simple question, but how the hell am I supposed to know whether to put an addition sign or a subtraction sign.

Mathematics

1 answer:

earnstyle [38]3 years ago

6 0

Answer:

you must remember + and + equal to minus

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-2/3f=9.2<br> -1/8n = -2/7 <br> 12/20n = -36/44<br> -64.5g = -25.8 <br> -15/28 = -9/10

user100 [1]

Step-by-step explanation:

-2/3f =9.2

cross multiply

27,6= -2f

divide both sides by 2

f = - 13.8

-1/8n = -2/7

cross multiply

-16 = -7n

divide

n = 2.29

12/20n = -36/44

cross multiply

528 = - 720n

divide

n= -0.733

-64.5g = -25.8

divide both sides by -64.5

g = -0.4

the last one has no variable

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2 years ago

What is the difference?

TEA [102]

Answer:

I WAS WRONG PICK D

Step-by-step explanation:

I'm an idiot

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2 years ago

What is slope (what does it mean) for anyone who answers they will get a brainliest

kirza4 [7]

slope basically directs how steep a line is. it’s formula is rise/run of y2-y1/x2-x1

5 0

2 years ago

Read 2 more answers

Tina spends 5/6 of an hour exercising every day. Today, she has already exercised for 3/5 of an hour. How much more time should

zaharov [31]

Answer: 14 minutes

Step-by-step explanation:

in the attachment

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2 years ago

Write an algebraic expression of the verbal expression the quotien of five times x and fifteen

faust18 [17]

5x+ (5)15

or

5(x+15)

I hope this helps

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2 years ago