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patriot [66]
3 years ago
14

Expand the following: -2(4a-6) HELP PLEASEEEEEE!!!!!!!!!!!!!!! 20 Points PLEASEEE

Mathematics
2 answers:
Dominik [7]3 years ago
6 0

Answer:

-8a + 12

Step-by-step explanation:

-2(4a - 6)

-2(4a) - -2(6)

-8a - -12

-8a + 12

zaharov [31]3 years ago
3 0

Answer:

-8a+12

Step-by-step explanation:

-2 goes into 4a and then -2 goes into -6 and since they're both negatives they make a positive.

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Substatution and elimination
Salsk061 [2.6K]
Well using elimination is easy because they basically did it for you. 
4x-5y=-6
2x+5y=12
The postive 5y and negative 5y cancel out because -5y plus 5y is zero.
so you are left with
4x=-6
2x=12
Add these together
6x=18
divide both sides by 6 and Solve to find your x
x=3
Now we have to eliminate x to find y.
we multiply the second equation by -2 so it can cancel out so
(2x+5y=12)-2
-4x-10y=24
Add the equations together
4x-5y=-6
-4x-10y=24
You are left with -15y = 30
Solve for y
y = -2
So your final answer for the elimination would be 
(3,-2)
6 0
3 years ago
How do you solve dividing two negative integers
Natasha2012 [34]
Example:  -2 times -2= 4  -2times 2= -4 

So basically when you divide and multiply the same signs . the answer is positive. if the signs are different then the answer is negative 
 


7 0
3 years ago
Read 2 more answers
Rick bought 3 shirts for $18 each, 2 pair of socks for $3.99 a pair, and a pair of slacks, for $45.00. The sales tax is 8.5%. Ho
ivolga24 [154]
Price of 3 shirts=$18*3=$54
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Price of a pair of slack=$45
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Sales tax rate = 8.5%
8.5% of total amount-8.5% of $106.98=
(8.5/100)*106.98-9.0933
Total amount Rick paid=$106.98+9.0933=$116.0733
Regards
6 0
3 years ago
The function f(x) is show on the graph. What is f(0)?
dexar [7]

Answer:

x = 0

Step-by-step explanation:

the origin

6 0
3 years ago
Determine the gradient and the y-intersect point of:
maks197457 [2]

Answer:

gradient:

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3(1)+2dy/dx=0

3+2dy/dx=0

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dy/dx=-3/2.

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3x+2y=5

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y=5-3x/2

5 0
2 years ago
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