My last points then I'm at zero hope you guys enjoy it and Have a good day merry Christmas

Mathematics

2 answers:

lapo4ka [179]2 years ago

6 0

Answer:

ty you 2

Step-by-step explanation:

hjlf2 years ago

5 0

Answer: (400 • 600) + 40 = 240,040

Step-by-step explanation:

Remember: PEMDAS = Parentheses, Exponents, Multiply, Divide, Add, & Subtract (always goes in this order)

(400 • 600) + 40 = ← Given expression

240,000 + 40 =

↑

What happens when you solve what's in the parentheses.

240,040 ← What happens after you add the numbers.

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Pump 1 can empty a pool in 8 hours while Pump 2 can empty the same pool in 9 hours. If the two pumps worked together, how long w

yan [13]

Rate of pump A: 1/8 of a pool per hour
Rate of pump B: 1/9 of a pool per hour
Combined rate: 1/8+1/9 = 17/72 +1/9 = 25/72

So if they work together, the two pumps have a combined rate of 25/72 of a pool per hour (i.e in one hour, the two pumps will empty 25/72 of the pool)

But we want to empty ONE pool (not 25/72 of one). So we need to multiply 25/72 by some number x to get 1.

Now solve for x
x=2.88
It will take the two pumps 2.88 hours to empty the pool.
2 hours 52 minutes 50 seconds

7 0

2 years ago

50 parents were asked which activities they enrolled their infant in.

Salsk061 [2.6K]

Answer: gymnastics 35

music 21

swimming 36

Step-by-step explanation:

gymnastics 35=20+9+6

music 21=8+7+6

swimming 36=20+9+7

4 0