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navik [9.2K]
4 years ago
8

AC = 143, BC = 8x + 4, and AB = 7x + 4, Find BC.

Mathematics
1 answer:
dedylja [7]4 years ago
5 0

Answer:

Hope this helps you mate

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I need help with this PLEASEEE URGENT
pashok25 [27]

Answer:

I think it's A or B

Step-by-step explanation:

5 0
3 years ago
Write each sum using summation notation.<br> 1+ 2 + 3 + 4 + ⋯ + 1000
AVprozaik [17]

Answer:

\sum_{k=1}^{1000} k

Step-by-step explanation:

You have to use the summation notation formula:

\sum_{k}^{n} f(k) = f(1) + f(2) +...+f(n)

where k is the starting number, n is the ending number and f(k) is the function or the expression to be added.

In this case, you have the sum of the integer numbers from 1 to 1000. Therefore, k=1 and n=1000.

Now, you have to obtain the function f(k) which is the representation of the expression needed to obtain the correct result of the sum.

f(k=1) = 1

f(k=2)=2

f(k=3)=3 ...

You can notice that the value of k corresponds to te value of f(k) therefore f(k) = k

Replacing the values of k, n and f(k) in the formula:

\sum_{k=1}^{1000} k = 1+2+3+4+...+1000

7 0
4 years ago
Of 1232 people who came into a blood bank to give blood, 397 people had high blood pressure. Estimate the probability that the n
sweet-ann [11.9K]
I'm going to round these numbers to make them easier to work with. We will get an approximate answer. 
<span>350 / 2000 </span>
<span>= 35 / 200 </span>
<span>= 3.5 / 20 </span>
<span>= 0.35 / 2 </span>
<span>= 0.175 

answer is 0.175</span>
6 0
3 years ago
Read 2 more answers
What did the Japanese adapt from Chinese
Shalnov [3]

I think the answer is Hinduism

8 0
3 years ago
M∠A = 142º<br> I need it
Nonamiya [84]

Answer:

38

Step-by-step explanation:

7 0
3 years ago
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