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Sergeu [11.5K]
3 years ago
15

When adding or subtracting two decimals, what is the first thing you must do

Mathematics
1 answer:
polet [3.4K]3 years ago
5 0
Line up the decimals
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Factor the question: 4x+8y+16
kirill [66]
Y= - X/2 = 2 this is the answer
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2 years ago
Which fraction is represented by point a on the number line
ale4655 [162]
-1/3 It cant be the others because -1 is already at the edge and is not the number, 1/3 is positive but -1/3 is left of zero, therefore negative and 1 is right of zero, so is positive.



-1/3 is the correct answer.
4 0
3 years ago
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What is the inverse of y = 3x + 9? A. y= 1/3x - 3 B. y = 1/3x + 9 C. y = -1/3x - 3 D. y = 9x + 3
Aneli [31]

Answer:

1/3x - 3

Step-by-step explanation:

To find the inverse, we exchange x and y and then solve for y

y =3x+9

Exchange x and y

x = 3y+9

Then solve for y

Subtract 9 from each side

x-9 =3y+9-9

x-9 = 3y

Divide by 3

1/3(x-9) = 3y/3

1/3(x-9) = y

Distribute

1/3x-3 = y

The inverse is 1/3 x -3

6 0
3 years ago
The table below shows the number ofpennies, nickels, dimes, and quarters that heather has in her purse. What is the ratio of dim
Margaret [11]
Using the table, you are looking at a ratio of 9 Dimes to 6 nickels or 9:6 which can be simplified by dividing each by three (a number they are both divisible by without going into decimals) to get a ratio of 3 dimes for every 2 nickels she has, or 3:2
8 0
3 years ago
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10. John invests $50 in an account earning 60% interest every year.
ser-zykov [4K]

Answer:

A is $30

B is $60

Step-by-step explanation:

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2 years ago
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