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3 years ago

What is the nearest thousand km in38137

1 answer:

4 0

The thousands place is where the 8 is. So, since the number to the right of the 8 is 1 and 1 is smaller than 5 and isnt 5 itself, 38,137 is estimated as 38,000

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a village having a population of 4000, requires 150 litres of water per head per day. it has a tank measuring 20m x 15m x 6m. fo

allochka39001 [22]

The water will last for 3 days

Solution:

Given that, village having a population of 4000, requires 150 litres of water per head per day

Let us first find the volume of tank

The tank measuring 20m x 15m x 6m

Length = 20 m

Breadth = 15 m

Height = 6 m

$volume\ of\ tank = length \times breadth \times height$

$Volume\ of\ tank = 20 \times 15 \times 6 = 1800$

Thus volume of tank is 1800 cubic meter

From given,

Water required per person per day = 150 liters

Therefore, water required for 4000 people per day is:

$\rightarrow 4000 \times 150 = 600000 \text{ liters }$

Convert to meters

$600000 \text{ liters } = 600000 \times \frac{1}{1000}\ m^3\\\\600000 \text{ liters } = 600\ m^3$

How many days will the water of this tank last?

$\text{Number of days water will last } = \frac{\text{volume of tank}}{\text{total water required per day}}$

$\text{Number of days water will last } = \frac{1800}{600} = 3$

Thus the water will last for 3 days

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3 years ago

What 2 numbers add up to 1 and multiply to -12

Vinil7 [7]

-3 and 4......................

7 0

3 years ago

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How many hours of sleep do most people need to function properly?

Juliette [100K]

Answer:

Step-by-step explanation:

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3 years ago

Look at the pattern: 2, 20, 200, _________, ________. What are the next two terms in the pattern?

enyata [817]

Answer:

2,000 then 20,000

Step-by-step explanation:

each time it is being multiplied by 10( just adding a zero)

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4 years ago

Gumballs cost $0.50 each, and jawbreakers cost $0.30 each. Bob has $3.00 to spend on candy.

KIM [24]

Answer:

0.5x+0.3y >= 3

sorry I don't know how to make the less than or equal to sign

Step-by-step explanation:

he can buy X amount of gumballs if he buys Y amount of jawbreakers and that will be less than or equal to $3

to graph, you must plug the number 0 into the X spot and solve.

0.5(0) +0.3y >= 3

next plug in for Y

0.5x+0.3(0) >= 3

plot these two points on the graph and draw a line through them

3 0

3 years ago