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Diano4ka-milaya [45]
3 years ago
12

What is the equation of the circle centered at the origin with a radius of 7.5 PLEASE HELP!

Mathematics
1 answer:
Elena-2011 [213]3 years ago
5 0

Answer: Are you talking about Circumference?

If it is then the Formula is 2πr or the easy way ... πd

1st use of formula: you would multiply 7.5 twice then multiplying by Pi or 3.14

2nd use of formula: You would get the diameter then multiply it by Pi or 3.14

Hope this helps :)

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Jordan flipped a coin 492 times. Which of the following would be a good estimate of the number of times the coin landed on heads
Irina-Kira [14]
I'd say B. but that's only because I divided the number of times he flipped the coin by the number of sides it has, 2, and came up with 246. The closest number on here to that is 231 or B. I hope I helped.
6 0
3 years ago
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Selena drove at an average speed of 50.55 miles per hour for 1.75 hours. She stopped at a rest stop and then drove at an average
frez [133]
50.55 x 1.75 = 88
45.2 x 2.25 = 94

Selena drove more miles after (how many) 6

I hope this helped :)
3 0
3 years ago
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(-4,2) is a solution to the following graph. True or False?
emmasim [6.3K]
Plugging in the values of (-4,2) into the two inequality statements to see whether it is part of the solution to the inequality system:

y ≥ -5x + 3
2 ≥ -5(-4) + 3
2 ≥ 20 + 3
2 ≥ 23 (false statement).

For the other inequality statement, substitute 2 for the y value:

y > -2
2 > -2 (true statement).

Since (-4,2) only satisfies one of the inequality statements, then it means that it is not a solution to the graph.

Therefore, the correct answer is FALSE.

Please mark my answers as the Brainliest if you find my explanation helpful :)
5 0
3 years ago
In the accompanying diagram, parallelogram ABCD has
Taya2010 [7]

Answer:

The area of the paralellogram is 24 square units.

Step-by-step explanation:

Geometrically speaking, the area of the parallelogram has an equation equivalent to the area formula for a rectangle, that is:

A = b\cdot h (1)

Where:

A - Area.

b - Base.

h - Height.

The base and height of the parallelogram are, respectively:

Base

b = 8-2

b = 6

Height

h = 5-1

h = 4

Then, the area of the parallelogram is:

A = (6)\cdot (4)

A = 24

The area of the paralellogram is 24 square units.

5 0
3 years ago
Solve the equation for y.<br><br> 4.2x−1.4y=2.1
Vlada [557]

Answer:

y=3x- 3/2

Step-by-step explanation:

4.2x−1.4y=2.1

Subtract 4.2x from each side

4.2x-4.2x−1.4y=-4.2x+2.1

-1.4y = -4.2x +2.1

divide each side by -1.4

-1.4y/-1.4y = -4.2x/ -1.4 +2.1/-1.4y

y=3x- 3/2

7 0
3 years ago
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