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jonny [76]
3 years ago
9

Please help! I need to figure out how to do this

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
7 0
This is simple, what is the total degree of a triangle? 180
so add up 70 + 30 is 100, the answer to x is 80
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The data from 200 endothermic reactions involving sodium bicarbonate are summarized as follows: calculate the probability mass f
In-s [12.5K]
Given the table below which contains data from 200 endothemic reactions involving <span>sodium bicarbonate:

\begin{tabular}&#10;{|c|c|}&#10;Final Temperature Conditions&Number of Reactions\\[1ex]&#10;266 K&48\\&#10;271 K&60\\&#10;274 K&92&#10;\end{tabular}

We find the probability distribution function as follows:

Let X denote the final temperature, then
</span>
<span>P(X = 266) =  \frac{48}{200} =0.24\\ \\ P(X = 271) =  \frac{60}{200} =0.3\\ \\ P(X = 274) =  \frac{92}{200} =0.46</span>
8 0
3 years ago
Just need to know the fraction
Reptile [31]
<h3>Answer:  1/2</h3>

The midsegment is always exactly half as long compared to the side it's parallel to.

Put another way, the longer side (4x+20) is twice long as the midsegment (3x).

7 0
2 years ago
Read 2 more answers
you rent an apartment that costs $1600 per month during the first year ,but the rent is set to go up 11.5% per year.what would b
RoseWind [281]

Answer:

$4,750.

Step-by-step explanation:

To determine the rental value of the apartment in the tenth year, knowing that it is worth 1,600 during the first year but that it will be adjusted annually to 11.5%, the following calculation must be made:

X = 1,600 x (1 + 0.115) ^ 10

X = 4,751.91

Thus, at ten years, rounded to the nearest tenth, the rental value will be $ 4,750.

7 0
2 years ago
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1-99 -- Calculate all the missing angle measures in the diagrams below​
ira [324]
Ok give me a second.
5 0
2 years ago
What is expanded number 289 mean
natita [175]
200
80    thats the answer 
9
4 0
3 years ago
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