4 years ago

Why are you allowed to move the decimal points before dividing with decimals? Explain your reasoning.

2 answers:

7 0

If you move the decimal point the same number of places in the dividend and the divisor, you are multiplying them both by the same power of 10. That does not change the quotient.

Goshia [24]4 years ago

6 0

Answer:

If you move the decimal point the same number of places in the dividend and the divisor, you are multiplying them both by the same power of 10. That does not change the quotient.

Step-by-step explanation:

it was what i got and it was right

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-0.777, 1/11, square root of 49, square root of 200 Which ones are rational and irrational

Reil [10]

-.777 is rational because it can be put into a fraction : -777 / 1000
1/11 is rational because it is a fraction
The square root of 49 is rational because it equals 7 which is a whole number and can be put into a fraction.
The square root of 200 is irrational because it cannot be put into a fraction.

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3 years ago

Find the unit price 9 colored pencils for $2.88 $ per colored pencil

mrs_skeptik [129]

Answer:

32 cents per color pencil

Step-by-step explanation:

well well if you divide $2.88 into 9 you'll get 32 cents

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3 years ago

Ricardo is draining his pool for the winter. There are 240 gallons in the pool and it is decreasing at a rate of 20 gallons per

shtirl [24]

Y= -20x+240 there ya go bud ;)

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4 years ago

The sum of two numbers is 50. One number is 10 less than three times the other number. What are the two numbers? 25 and 25 45 an

DENIUS [597]

One number is x
other number is 3x-10

x + 3x - 10 = 50
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4 years ago

Solve for x 2x-20=450

Pachacha [2.7K]

2x-20=450

2x=450+20

2x/2=470/2

x=235

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4 years ago

Read 2 more answers