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poizon [28]
3 years ago
12

Two different radioactive isotopes decay to 10% of their respective original amounts. Isotope A does this in 33 days, while isot

ope B does this in 43 days. What is the approximate difference in the half-lives of the isotopes?
The answer is 3 days
Mathematics
2 answers:
GarryVolchara [31]3 years ago
8 0

Answer:

A) 3 Days

Step-by-step explanation:

Semmy [17]3 years ago
4 0
The answer is three days
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Is 2/3 cups. How many cups are in 5 servings?
stira [4]

Answer: 7 1/2

Step-by-step explanation:

5 divided by 2/3 cups equals 7 1/2

5 0
3 years ago
6-3p>= -9 solve the inequality
xenn [34]
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3 years ago
What is the greatest value 20g of flour 3 for 3.50 or 40g of flour for 2 for 9£ which is better for money
jenyasd209 [6]

Answer:

It is better to buy 20 g of flour 3 for 3.50

Step-by-step explanation:

It is given that 20g of 3 for 3.50

It means 3 packets of 20 g is 3*20 =60

So, 60g  is for 3.50

So, 1 g =\frac{3.5}{60}=0.05833 per gram.

Now, let's find unit rate for 40 g of 2 for 9.

2 packets of 40 gram = 2* 40 =80 grams

So, 80 grams costs 9

So, 1 gram =\frac{9}{80} =0.1125

So, it is better to buy 20 g of flour 3 for 3.50

4 0
2 years ago
The SHS step team is selling shs spirit t-shirts to raise money. The orange/black shirt sells for $15 and the black/white shirt
IRINA_888 [86]

Answer:

Option A)

15x + 10y \geq 1000

Step-by-step explanation:

We are given the following in the question:

Cost of orange/black shirt = $15

Cost of black/white shirt = $10

Amount of money to be raised is atleast $1000.

Let x be the amount of orange/black shirt and y be the amount of  black/white shirt.

Thus, we can write the inequality:

15x + 10y \geq 1000

That is the total cost of orange/black shirt and black/white shirt should be greater than or equal to $1000.

Thus, the correct answer is

Option A)

15x + 10y \geq 1000

8 0
3 years ago
Find the following quotients and show your work:<br><br> a.6/4 divided 3/4
IRISSAK [1]
The answer to the question is 2

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3 years ago
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