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natita [175]
3 years ago
14

What happens when you add and subtract integers

Mathematics
2 answers:
Furkat [3]3 years ago
5 0
When u add it stays the same but for subtraction u change the sign.

Example: 2- (-5)=7
alexgriva [62]3 years ago
3 0
Same signs add and keep(-,-)= -   (+,+)=+
different signs subtract(-,+)= -
take the sigh of the higher number 
then youll be exact
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Write an equation for a line parallel to y=2x-2 and passing through the point (1,1) Y=???? PLEASE HELP ANYONE
Rufina [12.5K]
The general equation for slope-intercept form is y = mx + b, where m = the slope of the equation, b = the y intercept, and x and y are your variables (and the coordinate points on the graph). 

Remember that for parallel lines, the slope, m, is the same for both equations. The equation you're given, y = 2x - 2, is already in slope-intercept form and the 2 in front of x is m, your slope. That means for whatever equation we come up with, m has to be 2. 

So far we know the equation for our parallel line is y = 2x + b. How do we figure out b? Plug in the (x, y) coordinate you're given, (1, 1) and solve for b:
y = 2x + b\\
1 = 2(1) + b\\
1 = 2 + b\\
b = -1

Now we know b = -1. Put that into our y = 2x + b equation to get the final equation of your parallel line: 
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5 0
3 years ago
The sun is about 93 million miles from the earth. Express this distance in scientific notation.
Schach [20]

It would be 9.3 x 10(to the 7th power)

4 0
3 years ago
Leslie has a voucher worth $5 coupon from Wal-Mart.She visits the store and purchases a wallet that amounted to double the price
jasenka [17]

Answer:

The Cost of wallet was $26.30.

Step-by-step explanation:

Given:

Total billed after redeeming voucher = $34.45

Voucher worth = $5

We need to find the cost of Wallet.

Solution:

Let the amount paid for groceries be 'x'.

Now Given:

She purchases a wallet that amounted to double the price she paid for the groceries she bought.

Cost of wallet = 2x

Now to find the cost of wallet we will consider the amount before redeeming the voucher.

Hence Total bill before redeeming the voucher = \$34.45+\$5=\$39.45

Now We can say that;

Total bill is equal to sum of Cost of wallet and Cost of groceries.

framing in equation form we get;

x+2x=39.45\\\\3x=39.45

Dividing both side by 3 we get;

\frac{3x}{3}=\frac{39.45}{3}\\\\x=\$13.15

Cost paid for groceries = $13.15

Cost paid for wallet = 2x=2\times 13.15 =\$26.30

Hence the Cost of wallet was $26.30.

6 0
3 years ago
Is 60n + 12 equal to 12(5n + 1)
hram777 [196]

Answer: no

Step-by-step explanation:

5 0
3 years ago
Someone please help me I’ll give out brainliest please dont answer if you don’t know
natta225 [31]

Answer:

12.5(x  + 20) = 460 \\ x + 20 = 460 \div 12.5 \\ x + 20 = 36.8 \\ x = 36.8 - 20 \\ x = 16.8

Hence, 16.8 miles is your answer

3 0
3 years ago
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