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MA_775_DIABLO [31]
2 years ago
14

Find the perimeter of this semi-circle with diameter, d = 39cm. Give your answer rounded to 1 DP.

Mathematics
1 answer:
deff fn [24]2 years ago
3 0

Answer:

p=1/2*3.14+d

1/2*3.14*19.5=30.615

=30.615+39

=69.615

=69.6

Step-by-step explanation:

since it's half a circle we take the formula of acricle to be half

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Murljashka [212]

Answer: 1. 7:10

2. 10 blue cans

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3. 4 cans of blue paint.

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4. 2 blue cans and 3 yellow cans.

Step-by-step explanation:

1. 14 blue paint cans/20 yellow paint cans=

14/20=

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20-15=5 cans of yellow paint.

4. 10 blue cans/15 yellow cans=

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1 year ago
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kolezko [41]
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3 years ago
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rosijanka [135]
5≥|4-2x|
5≥4-2x≥-5
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4 0
3 years ago
On a coordinate plane, 2 lines intersect around (0.4, 2.8). The graph on the left represents a system of equations. How can the
kompoz [17]

Answer:

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Which integers is the y-coordinate between?

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Step-by-step explanation:

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