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murzikaleks [220]
3 years ago
5

Factor each of the following using differences of squares

Mathematics
2 answers:
professor190 [17]3 years ago
8 0
The first is (x+10)(x-10)

The second one is (3x+14)(3x-14)
timofeeve [1]3 years ago
4 0
The first one is (x+10)(x-10)
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I do not understand how I find answers on here
Volgvan
All you have to do is write your question and someone will answer. For example, instead of writing "I do not understand how I find answers on here" you would ask something like what is 9*5? Then 2 people will see your question and answer. There are no pre-recorded answers, everything happens live. Hope this helps!
6 0
3 years ago
Solve for x. −34(x+2)=6
grigory [225]
-34(x+2)=6
Distribute the -34
x(-34) +2(-34)=6
-34x-68=6
Add 68 to both sides
-34x-68+68=6+68
-34x=74
Devide both sides by -34
x=-37/17
x= 2 3/17
6 0
3 years ago
Read 2 more answers
Solve this system of linear equations. Separate the x- and y-values with a comma. -7x + 2y = -8 -16x + 9y = 26
Goryan [66]
(4,10). 
1. There are three ways to solve this: elimination, substitution, graphing.
2. I chose elimination, so I had to get one negative variable and one positive variable of the same value (for example, 18 and -18)

-7x+2y=-8
-16x+9y=26
I chose to get 2y and 9y to equal -18y and 18y. 
So, multiply the first equation by -9. Multiply the second by 2.
63x-18y=72
-32x+18y=52
the 18s cross each other out. So you're left with
63x=72
-32x=52. Add them. 
31x=124, divide both sides by 31, and you'll get 4. 
x=4
Plug your answer for x into one of the equations. Let's use the first one.
-7(4)+2y=-8
-28+2y=-8. add 28 to both sides.
2y=20, divide both sides by 2.
y=10. 
This makes your answer (4,10)
8 0
3 years ago
Savings account with 200$ and receive 4% interest for 7 years, how much would be in the account?
Fantom [35]

Answer:

256

Step-by-step explanation:

To calculate these kinds of things, I multiply the principal (200), the interest rate (0.04) and the time (7). This results in 56. However, since the question is how much would be in the account, it would be 200+56 which is 256.

5 0
3 years ago
Pls help me with this
baherus [9]

i think we have to find the answer for terms of a

p=a+4b+2c

ISOLATE A

p-4b-2c=a

answer:

p-4b-2c=a

8 0
3 years ago
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