3 years ago

Element X decays radioactively with a half life of 10 minutes. If there are 510 grams

Mathematics

1 answer:

pishuonlain [190]3 years ago

7 0

Answer:

46 minutes

Step-by-step explanation:

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pav-90 [236]

Answer:

19,23

Step-by-step explanation:

9+x-7≥ 21

Combine like terms

2+x≥21

Subtract 2 from each side

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Any number greater than or equal to 19

3 0

3 years ago

The length of the top of a computer desk is 2 1/4 feet longer than it’s width. If it’s width measures y feet, express its length

Lera25 [3.4K]

Answer:

The length as an algebraic expression in y is $y + (2\frac{1}{4} )$ ft

Step-by-step explanation:

The measure of the width of the computer desk = y feet

The measure of the length of the desk = width + 2 1/4 ft

⇒Measure of Length = $y + (2\frac{1}{4} )$ ft

Hence, the length as an algebraic expression in y is $y + (2\frac{1}{4} )$ ft

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3 years ago

Carolyn flips a coin 20 times and writes down the results of each flip. Is this event independent or dependent? Explain.

Alex

Answer:

Dep

Step-by-step explanation:

I guess Dep., Because Depending on which side it lands Is the outcome.

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3 years ago

Wilber can mow 500 ft2 yard in 10 minutes. If he does not slow down, how long will it take Wilber to mow his neighbors yard that

NeTakaya

Answer:

70 hours

Step-by-step explanation:

3500 by 50 is 70

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3 years ago

find an equation in slope intercept form of a line that passes through the point 2.2 and has a slope m is equal 0 also sketch th

Goshia [24]

Y = mx+b (slope intercept form). I imagine the point is (2,2) and m = 0. So the answer is y = 2. A sketch would be a horizontal line on the x-y plane going through (2,2).

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3 years ago