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Nastasia [14]
3 years ago
5

Express the sum in the simplest form.

Mathematics
1 answer:
attashe74 [19]3 years ago
3 0
The last option, 2.
Because the 2 terms have a common denominator, we can add them together on the same fraction. This gives us 2y+4 / y+2. We notice that the left is twice each co-effecient of the right, so after simplifying, we get 2 / 1.
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Why is (3,4),(5,10),(3,12) not a function
jasenka [17]
A function has a property such as "one input must be mapped to exactly one output." An input is the x-value, and the output is, generally, the y-value. In this set of points above, the input 3 maps to 4 <em>and </em>12, and therefore is not a function. 
5 0
3 years ago
What is the value of sine of begin argument 45 degrees end argument?
nirvana33 [79]

Answer:

Option A

fraction numerator square root of 2 over denominator 2 end fraction

Step-by-step explanation:

The answer can be obtained using a calculator.

It corresponds to a notable identity

sin (45) =  \sqrt{2} / 2

sin (45) = 0.7071

\sqrt{2} / 2  = 0.7071

Please see attached picture

5 0
3 years ago
The average cost of tuition, room and board at small private liberal arts colleges is reported to be $8,500 per term with a stan
Svetlanka [38]

Answer:

z=3.8196

Step-by-step explanation:

-We notice that this is a normal distribution problem.

-Given the mean is $8500, standard deviation is $1200 , and n=350, the critical z-value using alpha=0.05 is calculated as:

z=\frac{x-\mu_o}{\sigma/\sqrt{n}}\\\\=\frac{8745-8500}{1200\sqrt{350}}\\\\\\=3.8196

Hence, the test statitic is z=3.8196

3 0
3 years ago
The 8 has a value of 8 x ?
kobusy [5.1K]
Im confused on what ur asking but maybe it’s 8
5 0
3 years ago
Round the following number to the nearest tens place 89
RoseWind [281]

Answer:

90

Step-by-step explanation:

As the number you are rounding is followed by 9, you have to round the number up.When the number you are rounding up if followed by 5,6,7,8 or 9 you will have to round the number up.  Example: 38 rounded to the nearest ten is 40.

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down. Example: 33 rounded to the nearest ten is 30.

3 0
3 years ago
Read 2 more answers
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