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astraxan [27]
3 years ago
14

Strontium-90 has a half-life of about 29 years. After 65 years, about how many

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
4 0

Answer:

about 11.16 grams.

Step-by-step explanation:

65/29=2.24

So, if we divide 25 by 2.24, we should find the answer. We get:

25/2.24= about 11.16 grams.

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The amount of fertilizer in a landscaping company’s warehouse decreases at a rate of 3% per week. The amount of fertilizer in th
Anit [1.1K]

f(w)=78,000(0.97)w hope this helps

3 0
3 years ago
Read 2 more answers
One out of 23 high school ball players plays college ball. One out of 35 college players plays professional ball. What fraction
Gnoma [55]

Answer:

\frac{35}{23} is the required fraction.

Step-by-step explanation:

We have  been given  that  23 high school ball players plays college ball.

And 35 college players plays professional ball  

So we need to find fraction of high school players professional ball

\frac{35}{23} is the required fraction.


6 0
3 years ago
A scientist finds the distances d that two snakes travel in a time of t seconds. the equation 16t = d represents the relationshi
wlad13 [49]
From the equation given, the time for the black mamba snake to cover distance d, will be d/16 while that for the the rought-scaled snake would be d/1.5.
Assume that the distance covered by both snakes is 200 meters;
Then, 
Time taken by the black mamba is 200/16  = 12.5 seconds, and
Time taken by the rought-scaled snake is 200/1.5 = 133.33 seconds
Clearly the black mamba is faster at 12.5 seconds compared with the rought-scaled snake.
4 0
3 years ago
What is the value of x in the solution to the following system of linear equations {y = x - 1 { y = 2x +1
Murrr4er [49]

Answer:

-2

Step-by-step explanation:

Equate the expressions for y. This gives ...

... x - 1 = 2x + 1

Add -1-x to get ...

... -2 = x . . . . your value of x

4 0
4 years ago
Accordingly to the Internet which knows everything a good rule of thumb is to plan for 5 to 10% waste when buying carpet how did
Anton [14]

Answer:

Not bad

Step-by-step explanation:

According to the internet, there are a number of factors to consider before estimating your waste percentage when buying carpets.

You may have to check the shape of your room, if it has multiple walls or if it is just complicated. For this kind you can estimate a 20% waste factor.

But for uncomplicated rooms having the same width as the carpet, the rule of thumb is to add a 10% waste factor to the square footage area.

8 0
3 years ago
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