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Marina86 [1]
3 years ago
7

What is 3 1/3 ÷ 2/3? Please help.

Mathematics
2 answers:
laila [671]3 years ago
8 0

Answer:

5

Step-by-step explanation:

Make an improper fraction then divide

10/3 divided by 2/3 =5

Ivanshal [37]3 years ago
4 0

Answer:

5

Step-by-step:

Here ya go buddie :)

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Answer:

idk

Step-by-step explanation:

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3 0
3 years ago
A car can travel 20 miles on a gallon of gas.Write and solve an inequality to show at least how many gallons of gas are need to
Hoochie [10]
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5 gallons needed to travel 100 miles
8 0
3 years ago
The half-life of carbon 14 is years. How much would be left of an original -gram sample after 2,292 years? (To the nearest whole
lozanna [386]

Answer:

A = 0.75 gram or 1 gram

Step-by-step explanation:

The half-life of carbon 14 is years. How much would be left of an original -gram sample after 2,292 years? (To the nearest whole number).

We can use the following formula for half-life of ^{14}C to find out how much is left from the original sample after 2,292 years:  

A = A_{0}e^{-0.000124t}

where:

<em>A</em> is the amount left of an original gram sample after <em>t</em> years, and  

A_{0} is the amount present at time <em>t</em> = 0.

The half-life of  ^{14}C  is the time <em>t</em> at which the amount present is one-half the amount at time <em>t </em>= 0.

If 1 gram of  ^{14}C is present in a sample,  

 Solve for A when t = 2,292:  

Substituting A_{0}  = 1 gram into the decay equation, and we have:  

A = A_{0}e^{-0.000124t}

A = A_{0}e^{-0.000124(2,292)}

A = 0.75 g or 1 g  

6 0
3 years ago
If a = 9 and b = 4, what is the value of 2a<br> -b?
Thepotemich [5.8K]

Answer:

14

Step-by-step explanation:

2(9)-4=14

4 0
3 years ago
for the equation x over 3 equals 15 the student found the value of x to be 5 explain the error what is the correct answer
otez555 [7]
If you divide 5 over 3 you get the decimal 1.6, not 15.
the correct answer would be 45. 
how do i get that? read below.
________________________________
to solve:
\frac{x}{3} = 15
1.multiply each side by 3, to get the 3 on the left side to cancel out. so you get x = 15 times 3.
2. 15 * 3 = 45


5 0
4 years ago
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