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frozen [14]
3 years ago
13

Mary runs 10/4 miles everyday and Beth runs 5/2 miles everyday. Who runs further?

Mathematics
1 answer:
stellarik [79]3 years ago
4 0
10/4 is the same as 2 and 2/4 miles or 2 and 1/2 miles
5/2 is the same as 2 and 1/2 miles
Both Mary and Beth run the same distance.
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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
What is the absolute value of -25?
NISA [10]

Answer:

25

Step-by-step explanation:

6 0
2 years ago
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When the following quadratic equation is written in standard form, what is the value of "c"?
Nikolay [14]

Answer:

Then value is 2

Step-by-step explanation:

standard of quadratic is Ax^{2}+Bx+C=0

and 2 is where C is.

sorry for the bad  explanation but, trust me I did this type of question in class yesterday

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2 years ago
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Mrac [35]
The length of segment BC can be determined using the distance formula, wherein, d = sqrt[(X_2 - X_1)^2 + (Y_2 - Y_1)^2]. The variable d represent the distance between the two points while X_1, Y_1 and X_2, Y_2 represent points 1 and 2, respectively. Plugging in the coordinates of the points B(-3,-2) and C(0,2) into the equation, we get the length of segment BC equal to 5.  
4 0
3 years ago
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B) Tyler swam 32 laps in the pool. Kevin swam 3 times as many laps as Tyler. Lets the number of
evablogger [386]

If Tyler did 32 laps and Kevin did 3 times that amount; its quite simple, you would find three times the amount of Tylers laps which is 96.

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2 years ago
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