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lesantik [10]
4 years ago
8

Which is equivalent to 9+2i -(6+ 4i)? [A] 3-212 [C] 15+6i [B] 3-6 [D] 3-2i

Mathematics
1 answer:
Vinvika [58]4 years ago
8 0
It's D, 3-2i.

Hope this helps
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Can somebody tell me if I did it right I’m not sure how I’m supposed to find the distance?
Salsk061 [2.6K]

Answer:

6.4 units

Step-by-step explanation:

Use the distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

d=\sqrt{(8-3)^2+(-3-(-7))^2}

d=\sqrt{(5)^2+(4)^2}

d=\sqrt{25+16}

d=\sqrt{41}

d=6.4

Therefore, the distance between (3,-7) and (8,-3) is 6.4 units

Hopefully, this was helpful!

5 0
3 years ago
Read 2 more answers
Consider the ordered pairs (1,4), (-1,2), and (0,3). Which of the four equations below could have been used to generate these th
arlik [135]

Answer:

a. y = x + 3

Step-by-step explanation:

All three ordered pairs satisfy the first equation.

___

If you want to look into it a little further, you can notice that if you sort the ordered pairs by their x-values, you get ...

(-1, 2), (0, 3), (1, 4)

That is, the y-values increase (by 1) as the x-values increase (by 1).

All of the other answer choices have -1 as the coefficient for x, which means the y-values will decrease as x increases. None of these choices (b–d) is viable.

6 0
3 years ago
I know this might be a easy answer but with proper algebra format a chicken has two legs a dog has 4 legs the chicken must have
Rom4ik [11]

Step-by-step explanation:

Let each let of chicken be C and dog be D respectively.

Then as per question

2C+4D = 28.......i

and

C-D =14........ii

These are the two algebraic equation which you are looking for solve them

to get the answer

5 0
3 years ago
A mysterious box is delivered to the dinner party you are attending. The label on the box says that the volume of a box is the f
Lapatulllka [165]
F(x) = x³ + 3x² - 10x - 24

The root factors must be the factors of 24.
1 x 24 ; 2 x 12 ; 3 x 8 ; 4 x 6.

The most probable roots would be -4, -3, -2, -1, 1, 2, 3, or 4.

Using synthetic division, one can find that the smallest root is -3.
(x - 3)(x² - 6x - 8). The quadratic can now be factored as (x + 2)(x - 4) and further factored as (x - 3)(x + 2)(x - 4). 

The correct factors are: (x - 3) (x + 2) (x - 4)
6 0
3 years ago
James's garden has a length of 12 1/4 feet and a width of 9 2/3 feet. What length of fencing will he need to surround his garden
Wittaler [7]

Answer:

118 5/12

Step-by-step explanation:

9 2/3 × 12 1/4 = 2 + 9·3/3 ×1 + 12·4/4 = 29/3 × 49/4 = 29·49/3·4  = 1421/12 5 + 118·12/12= 118 5/12

5 0
3 years ago
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