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Gnesinka [82]
3 years ago
15

PLEASE HELP ASAP!!!!! i will give brainliest

Mathematics
1 answer:
katrin2010 [14]3 years ago
5 0

Answer:

Step-by-step explanation:

  1. you are pretty much just factoring throughout.
  2. you can also plug in numbers
  3. or use the quadratic equation

I'll be using the quadratic equation

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Point A(-2,4) Point B (3,-6)<br> a. Calculate the perpendicular<br> gradient of the line AB
olga_2 [115]

Answer:

1/2

Step-by-step explanation:

-6-4 / 3-(-2) = -2

-2(m2) = -1

m2= 1/2

8 0
3 years ago
Expand.<br> If necessary, combine like terms.<br> (3 + 4x) (3 - 4x)
shepuryov [24]
  • (3 + 4x) (3 - 4x)

We know the algebraic identity: (a - b)(a + b) = a^2 + b^2. Therefore, we should square 3 and 4x.

  • = (3)^2 - (4x)^2
  • 9 - 16x^2

<u>Answer</u><u>:</u>

<u>9</u><u> </u><u>-</u><u> </u><u>1</u><u>6</u><u>x</u><u>^</u><u>2</u>

Hope you could understand.

If you have any query, feel free to ask

5 0
2 years ago
1. Simplify this expression: 13+ (-12) - (-5) = ?<br> O A.-30<br> O B.6<br> O C.30<br> OD. -6
Virty [35]

Answer:

B.6

Step-by-step explanation:

When we add and subtract, we do it from left to right

13+ (-12) - (-5)

13+-12

13-12 = 1

1 - -5

A negative negative is a positive

1 +5

6

8 0
3 years ago
Read 2 more answers
I need help I’ll give u brainliest but i need an explanation or I can’t give it
slamgirl [31]

Answer:

the answer is a

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP ASAP<br> How do you find the total for a purchase if there is sales tax?
qaws [65]

Answer:

Conver the sales tax to a decimal and ad it to 1, then multiple that total to the price of the item. Please mark as breinlest

7 0
3 years ago
Read 2 more answers
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