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erik [133]
2 years ago
12

Add the fractions and simplify the answer 1/2 +2 /3

Mathematics
2 answers:
Brilliant_brown [7]2 years ago
5 0
So first convert the denoenator (bottom n umber) to the sam enumber


1/2 and 2/3
the numbers are 2 and 3
find least comon multiple
easy way to convert is multiply each by bottom number of the other over the other exg
1/2 +2/3
1/2 times 3/3+2/3 times 2/2
3/6+4/6
(7)/6
7/6
1 and 1/6
IrinaVladis [17]2 years ago
4 0
What we are going to do is add \frac{1}{2} by \frac{2}{3}. The first thing we do is make common denominators for \frac{1}{2} and \frac{2}{3}:\frac{1*3}{2*3}= \frac{3}{6} \ and \  \frac{2*2}{3*2}= \frac{4}{6}. Now we add \frac{3}{6} by \frac{4}{6}: \frac{3}{6}+ \frac{4}{6}= \frac{7}{6}. Now we make \frac{7}{6} a mixed number:\frac{7}{6}=1 \frac{1}{6}. Therefore, your answer is \boxed{\boxed{1 \frac{1}{6}}}. Hoped I helped. :)
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Given a polynomial f(x), if (x + 5) is a factor, what else must be true?
PolarNik [594]
Rule: If x-k is a factor of p(x), then p(k) = 0. This is a special case of the remainder theorem.

Using that rule, we can see that x+5 is really x-(-5) so k = -5. 

Therefore,

p(k) = 0
p(-5) = 0

so the answer is choice D. 
4 0
3 years ago
The Precision Scientific Instrument Company manufactures thermometers that are supposed to give readings of 0 degrees Celcius at
enot [183]

Answer:

Step-by-step explanation:

Given that reading on thermometer is N (0,1)

7% of the thermometers are rejected because they have readings that are too low, but all other thermometers are acceptable

This implies that we have to find out the 7th percentile.

i.e. Z score = -1.475

Hence the temperature for cutoff is below -1.475 degrees.

the temperature reading corresponding to the given information.=-1.475 deg

6 0
3 years ago
(b) About what percentage of the states (out of 51) seem to have close to 800 licensed drivers per 1000 residents? (Round your a
Rina8888 [55]
This question uses a dotplot graph from which you have to extract the information.

I have attached the dotplot graph in a pdf file. You can open the file to see the graph if you do not have it.

The graph shows with dots (they use this mark +) the 51 states. Every dot means that one state has the number of license drivers per 1000 residents given by the line. For example, you can see that just above the mark of 700 therer are two dots, meaning that two states have 700 licensed drivers per 1000 residents.

Now you can see that there are 5 dots "close" the 800 mark.

That means that 5 out of 51 states "seem to have close to 800 licensed drivers per 1000 residents".

The percentage is calculated as [5/51]*100 = 9.804 %, which rounded to one decimal place is 9.8%.

Answer: 9.8%

 
Download pdf
7 0
3 years ago
Which expression is equivalent to 24x+12
sukhopar [10]

Hello! :)

Answer:

\boxed{12(2x+1)}

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

First, you rewrite the problem of 24.

12*2=24

12*2x+12

Then, you factor it out by the common term of 12.

<u><em>=12(2x+1) is the final answer.</em></u>

Hope this helps!

Have a nice day! :)

:D

-Charlie

Thanks!

3 0
3 years ago
HELP!!!!!!!!!!! Determine the equation of the graph, and select the correct answer below. ​
ss7ja [257]

The correct answer is

y =  - (x + 2)^{2}  - 4

There are three transformations to the parent function. The first is a negative sign on the left side. This makes the parabola open downward. Next, the +2 inside the parentheses moves the parabola left 2. Lastly, the -4 on the outside moves the parabola down 4.

7 0
3 years ago
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