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CaHeK987 [17]
3 years ago
7

Antonio drops a glass marble into a pond and creates ripples that form concentric circles on the surface of the water. The radiu

s of the circle, r, in centimeters is given by the function , where t is the time in seconds that the ripples move outward from the center of the circle. Find the function A(t) that represents the area, A, of the expanding circle in t seconds.
Mathematics
1 answer:
photoshop1234 [79]3 years ago
8 0

Answer:

is it multiple answer?

Step-by-step explanation:

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What is 2÷29 rounded to the whole percent
kolbaska11 [484]
If you do 2/29 you get 0.0689 . . .

that rounds to 0.07

0.07 = 7/100 = 7%

Answer: 7%
6 0
3 years ago
Marco wants to buy a new smartphone that costs $495, with some additional accessories. He has already saved $75. Write and solve
antoniya [11.8K]

Marco needs to save a minimum of $420 more to buy a smartphone.

<u>Explanation:</u>

Cost of a smartphone = $495

Savings = $75

Least amount of money, m that needs to be saved = ?

Additional savings, m = Total - initial savings

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The inequality equation would be 75 + m ≥ 495

Therefore, Marco needs to save a minimum of $420 more to buy a smartphone.

4 0
3 years ago
6. Write an algebraic expression for the word phrase 5 times the product of x and y
Lena [83]

Answer:

5+x=y ,x-y=5,y-x=5,5-x=y,y+5=x

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Polyhedron P is a cube with a corner removed and relocated to the top of P. Polyhedron Q is a cube. How do their surface areas c
tatiyna

Answer:

  • C. P’s surface area is greater than Q’s surface area.

Step-by-step explanation:

<em>Refer to attached</em>

With a corner removed, it doesn't change surface area of the cube as same area is exposed equal to the area of 3 small faces.

With the corner relocated to the top of the cube, it covers the area of one small face but adds up small 5 faces (4 sides and one top). In total the P has more surface area than the Q.

Correct answer choice is C.

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3 years ago
What is the equation of the line?
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Y=1/2+2 the y intercept is 2 and the line goes up 1 over 2
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3 years ago
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