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Brilliant_brown [7]
3 years ago
9

What is the value of x in the equation x - y = 30, when y = 15? O 4 O 8 O 80 O 200

Mathematics
2 answers:
Sonja [21]3 years ago
8 0
X - y = 30

x - 15 = 30
30 + 15 = 45

x = 45 ….
Strike441 [17]3 years ago
3 0

Answer:

It should be 45....

Step-by-step explanation:

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I need help on number 18
zloy xaker [14]

Answer:

Volume = 35185.8 km^{3}

Step-by-step explanation:

Recall the formula for the volume of a cone: Volume = \pi  R^{2}  \frac{h}{3}

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And h stands for the height of the cone (in your case 21 km)

We replace such in the formula and calculate its final value:

Volume = \pi 40^{2} \frac{21}{3} = \pi  1600 \frac{21}{3} = \pi 1600 (7) = 35185.83772...

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7 0
3 years ago
Pls help and show workings due ASAP
Gennadij [26K]

Answer:

m = 2/3

Step-by-step explanation:

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