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bazaltina [42]
3 years ago
15

Plls help.me with this thanks

Mathematics
1 answer:
NeTakaya3 years ago
8 0
4839400 I'm not really sure but standard form is writing a number regularly ex/the standard form of four is 4
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Can u answer this please
Svetradugi [14.3K]

Answer:

C

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x - 4)² + (y - 3)² = 16 ← is in standard form → C

4 0
3 years ago
If |u| = 10, |v| = 8, and the angle formed between them is 60°, then u · v = ?
Gre4nikov [31]
U . v  = |u| . |v| cos 60   = 10 * 8 * 0.5 = 40   This is called the scalar (or dot) product.
5 0
4 years ago
The equation of a circle is given below.
Nataliya [291]

Answer:

(h,k) = (32,-4)

r = 32

Step-by-step explanation:

The general equation for a circle is given by:

(x-h)^2+(y-k)^2=r^2   (1)

where (h,k) is the center of the circle and r is the radius.

You have the following equation:

x^2+(y+4)^2=64x   (2)

You first need to complete squares in order to obtain an equation of the form (1). Thus, you have that the second term must be in a perfect square trinomial:

2b = 64

b = 32

Then, you have to sum 32^2 and also subtract the same number in the expression (2):

x^2-64x+(y+4)^2=0\\\\(x^2-64x+32^2)+(y+4)^2-32^2=0\\\\(x-32)^2+(y+4)^2=32^2

you compare the last result with expression (1) and obtain that the raiuds of the circle is r = 32

Furthermore, the center of the circle is (h,k) = (32,-4)

5 0
4 years ago
Is it one of this <br> 60<br> 50<br> 45<br> 35
dangina [55]
Non of the above. The answer is 40 and I’m sticking to my guns !

Similar meaning you can assume they are proportionate and if every side is doubled then you should double the last. Another way is to use Pythagorean’s theorem and disregard the little triangle completely.


Both ways have me 40 !
7 0
4 years ago
What is the expanded form of 503.208
xxMikexx [17]

Answer: 500 + 3 + .200 +.008

Step-by-step explanation: You add 500 and 3 then after you get your number add .200 then add .008

6 0
3 years ago
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