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Lostsunrise [7]
3 years ago
10

What's 1/2 + 1/3? Y'all please help me . And when or if you can give me the answer can you do step-by-step on how you did that s

o I can do it myself next time?
Mathematics
2 answers:
Arturiano [62]3 years ago
8 0

Answer:

5/6

Step-by-step explanation:

fractions! exciting :D

what you wanna do is get them to a common denominator, or bottom. In this case, the least common factor between 2 and 3 is six. To get that common denominator we should cross multiply-

That is, we'll take the denominator in 1/2, 2, and multiply it to both the numerator and denominator of our second fraction, making it 2/6. 2/6 is equal to 1/3 ! We can then do the same from 1/3 to 1/2, multiplying both 1 and 2 by three. That gives us 3/6 , which is equivalent to 1/2! I'mma include a visual below to make sure this makes sense because I may not be explaining it the best.

So, now we have 3/6 + 2/6 , and because we have common denominators we can just add across the top. That gives us 5/6 as the final answer.

Sav [38]3 years ago
6 0
First the common denominator has to be 6. So to get to 6 you multiply the 2 by 3 and the numerator by 3 giving 3 over 6 then you multiply 3 times 2 to get to 6 so the following fraction is 2 over 6. So when u add the two together it gives you 5 6ths
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A rectangular yard has a total perimeter of 220 feet. The widths of the yard are each 30 feet shorter than the lengths of the ya
ziro4ka [17]

Answer:

L = 70   W = 40

Step-by-step explanation:

P = 220 ft

W = L - 30

I started guessing numbers for L that would work. When I did this, I made sure that all of the sides added up to 220 ft.

5 0
3 years ago
Find the domain of the following piecewise function.<br><br> [-4,3)<br> (-4,3]<br> [-4,6)<br> (-4,6]
aniked [119]
The answer is [-4,6)
Graph both the you can easily find the answer
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3 years ago
Barb is making a bead necklace.She strings 1 white bead,then 3 blue beads,then 1 white bead,and so on.Write the numbers for the
blondinia [14]
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8 0
3 years ago
a circle has an area of 81 3.14 units . what is the diameter in terms of 3.14a circle has an area of 81 Pi square units what is
Sunny_sXe [5.5K]
You have posted 2 separate questions here.  Please, next time, separate them with a blank line:

<span>A circle has an area of 81 3.14 units . what is the diameter in terms of 3.14?

I'd prefer you write this as 
"</span><span>A circle has an area of 81 pi units . what is the diameter in terms of pi?

Area of a circle = A = pi*r^2.  Note that r= diameter / 2.  Here, the area is 81 pi square units, or 9^2 * pi square units, which means that the radius is 9 units.  The diameter is then 2(9 units) = 18 units.


Your second question, separated from the first, is:

"</span><span>a circle has an area of 81 Pi square units what is the diameter of the circle?"
</span><span>
Use the following formula or formulas:  d = 2*r; A = pi*r^2; A = pi*(d/2)^2.  Find r first, and then find d.

</span>
4 0
3 years ago
Read 2 more answers
Grumpy Corp drug tests all of the recent college graduates it hires each year. The drug test currently used correctly determines
Vedmedyk [2.9K]

Answer:

Hence, the probability of a Negative test is P(T^C)=0.5904.

Step-by-step explanation:

(a)

Let D= Drug user and T= Test positive

Probability of drug users P(D)=36\%=0.36

                                    P(\frac{T}{D})=96\%=0.96

                                   P(\frac{T^c}{D^c})=90\%=0.90

(b)

Find the Probability of a Negative test,

     P(T^C)=P(\frac{T^C}{D^C})\cdot P(D^C)+P(\frac{T^C}{D})\cdot P(D)

\Rightarrow P(T^C)=0.9\cdot(1-0.36)+(1-0.96)\cdot 0.36

\Rightarrow P(T^C)=0.9\cdot 0.64+0.04\cdot 0.36

\Rightarrow P(T^C)=0.576+0.0144

\Rightarrow P(T^C)=0.5904

4 0
3 years ago
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