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klasskru [66]
3 years ago
10

A string is 5.8 meters long.

Mathematics
1 answer:
choli [55]3 years ago
4 0

Answer:

the answer is 580cm in length

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Which point does not lie on the circle centered at (3, 2) with radius 5? A) (0, 6) B) (3, -3) C) (-2, 2) D) (3, 0)
vladimir1956 [14]

Answer:

D

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

here (h, k) = (3, 2) and r = 5, hence

(x - 3)² + (y - 2)² = 25 ← equation of circle

If an ordered pair lies on the circle then it satisfies the equation, if not then it does not lie on the circle.

Substitute the coordinates of the points into the left side of the equation of the circle and check validity.

A

(0 , 6) : (0 - 3)² + (6 - 2)² = 9 + 16 = 25 ← lies on circle

B

(3, - 3) : (3 - 3)² + (- 3 - 2)² = 0 + 25 = 25 ← lies on circle

C

(- 2, 2) : (- 2 - 3)² + (2 - 2)² = 25 + 0 = 25 ← lies on circle

D

(3, 0) : (3 - 3)² + (0 - 2)² = 0 + 4 = 4 ≠ 25 ← not on circle

7 0
3 years ago
Graph the line with slope 1/3 passing through the point (5,-5).
-Dominant- [34]

slope=\dfrac{\Delta y}{\Delta x}\\\\slope=\dfrac{1}{3}\to\Delta y=1\ and\ \Delta x=3\\\\1\ unit\ up\ and\ 3\ units\ right.\\\\\text{We mark the point (-5, 5). Then move it 1 unit up and 3 units to the right}\\\\Look\ at\ the\ picture.

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3 years ago
Name a pair of perpendicular lines
lesantik [10]

Answer:

90 degree angled lines

Step-by-step explanation:


8 0
3 years ago
2x+10=16 help please, i forgot how to work it out
JulsSmile [24]

Answer:

x=3

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Rewrite without absolute value sign for different values of x: y=− 2x+5 + 2x−5 if x<−2.5; if x>2.5; if −2.5≤x≤2.5
valentina_108 [34]

Answer:

x<-2.5 =(2x+5)-(2x-5) 2. 5-5

3.0

Step-by-step explanation:

PLz make brainlestiset answer

4 0
3 years ago
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