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soldi70 [24.7K]
3 years ago
11

Pls help its due today

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
7 0

Answer:

\boxed{Area \: of \: trapezium = 72 \: {cm}^{2}}

Step-by-step explanation:

Area \: of \: trapezoid =  \frac{1}{2} (sum \: of \: parallel \: sides) \times height

Parallel sides are = 9 cm and 15 cm

Height = 6 cm

Area \: of \: trapezium =  \frac{1}{2}(9 + 15) \times 6 \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:    \:  \:  =  \frac{1}{2 }   \times 24 \times 6 \\  \\   \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   = 12  \times 6 \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  = 72  \: {cm}^{2}

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The question is incomplete, the complete question is;

If in 0.5 min the tank gets 0.8 gallons of the water then

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and how long it takes for 40 gallons?

Answer:

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25 mins

Step-by-step explanation:

This question has to do with proportion.

If it takes 0.5 mins for the tank to get 0.8 gallons

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Alexxandr [17]

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Answer:

a. No

b. Yes

c. No

d. Yes

e. Yes

Step-by-step explanation:

3(x+2) simplified is equal to (3)x+(3)2 which is simplified to 3x+6.

a. 3x+2 is not the same as 3x+6 so it is false.

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e. x+x+x+1+1+1+1+1+1 is simplified to 3x+6 which is equal to 3x+6 so it is true.

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