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NISA [10]
2 years ago
9

A square has a perimeter of fifty-two centimetres. What is the length of one of its sides?

Mathematics
1 answer:
prohojiy [21]2 years ago
5 0

answer:

52÷4=13

explanation:

Square has 4 equal sides.

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aleksandrvk [35]

Answer:

113.04cm²

Step-by-step explanation:

area of circle= π r²

Area= 6* 6*3.14=113.04 cm²

8 0
2 years ago
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Over 25.5 days, a pond's water level changed by an average of −0.32 centimeter each day. What was the total change in the water
slavikrds [6]
25.5 x -0.32 = - 8.16 cm
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3 years ago
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2. Mourette is a member of her high school golf team. She hits a golf ball
Llana [10]

Answer:

a. h = 60t − 4.9t²

b. 12.2 seconds

c. 183.7 meters

Step-by-step explanation:

a. Given:

y₀ = 0 m

v₀ = 60 m/s

a = -9.8 m/s²

y = y₀ + v₀ t + ½ at²

h = 0 m + (60 m/s) t + ½ (-9.8 m/s²) t²

h = 60t − 4.9t²

b. When the ball lands, h = 0.

0 = 60t − 4.9t²

0 = t (60 − 4.9t)

t = 0 or 12.2

The ball lands after 12.2 seconds.

c. The maximum height is at the vertex of the parabola.

t = -b / (2a)

t = -60 / (2 × -4.9)

t = 6.1 seconds

Alternatively, the maximum height is reached at half the time it takes to land.

t = 12.2 / 2

t = 6.1 seconds

After 6.1 seconds, the height reached is:

h = 60 (6.1) − 4.9 (6.1)²

h = 183.7 meters

7 0
3 years ago
Need tha answer explained
almond37 [142]

Answer:

Bri what do you mean explanation your answer is correct

Please mark me brainliest thanks

6 0
2 years ago
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Find m Note that m 57.
RSB [31]

Answer:

51*

Step-by-step explanation

I believe this correct only because 51 + <B + <A=180*

Because of that we will make <B equal to <C

Hope this helps!

6 0
3 years ago
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