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Roman55 [17]
2 years ago
8

Please help help me please

Mathematics
1 answer:
rosijanka [135]2 years ago
3 0
The answer is BC=122. I got this by doing this...360-116=224. Since the two sides are the same, they will have the same measure. So, 224/2=122 and that's your answer
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Suppose n(x)= 22 and n(y) is 13 what is the maximum number of elements X ∪Y can have ?
Nikolay [14]
The inclusion/exclusion principle states that

|X\cup Y|=|X|+|Y|-|X\cap Y|

That is, the union has as many members as the sum of the number of members of the individual sets, minus the number of elements contained in both sets (to avoid double-counting).

Therefore, |X\cup Y| will have the most elements when the sets X and Y are disjoint, i.e. X\cap Y=\emptyset, which would mean the most we can can in this case would be

|X\cup Y|=|X|+|Y|=22+13=35

(Note that n(X)=|X| denotes the cardinality of the set X.)
3 0
3 years ago
On a certain marathon course, a runner reaches a big hill that is at least 10 miles into the race. If a total marathon is 26.2 m
maria [59]
If the marathon is 26.2 miles in total and the runner in 10 miles into the race then he has another 16.2 miles to go.

6 0
3 years ago
Company A has no initial fee but charges 80 cents for every mile driven.
Tamiku [17]

Answer:

m > 550

Step-by-step explanation:

0.80m > 55+0.70m

0.10m > 55

m > 55/0.10 = 550

A costs more when you drive more than 550 miles.

3 0
2 years ago
Nethan made eight rose bouquets and six daffodil bouquets. Nethan only has enough flowers to make at most 20 rose or daffodil bo
Igoryamba
I<span> found the graph choices: </span>

<span>Given:</span>
8 rose bouquets
6 daffodil bouquets
total of 14 bouquets

enough flowers left to make maximum of 20 bouquets. 

x = additional rose bouquets
y = additional daffodil bouquets

20 maximum bouquets - 14 made bouquets = 6 additional bouquets

x + y = 6

y = 6 - x
x = 6 - y

If x = 0 then y = 6 
If x = 6 then y = 0
If x = 4 then y = 2
If x = 2 then y = 4

Pls. see attachment for the correct graph.

4 0
3 years ago
Read 2 more answers
HELP ME !! AND EXPLAIN HOW YOU GOT IT.
ruslelena [56]

Answer:

<h2>D = 75°</h2><h2>E = 37°</h2><h2>F = 68 ° Given </h2>

Step-by-step explanation:

(13x - 3) + (6x + 1) + (68) = 180 \\ 19x + 66 = 180 \\ 19x = 180 - 66 \\ x =  \frac{114}{19}  \\ x = 6 \\  \\  \\ d = 13x  - 3 \\ d = 13(6)  - 3 \\ d = 75 \\  \\ e = 6x + 1 \\ e = 6(6) + 1 \\ e = 37 \\  \\ f = 68 \\  \\ check \:  \:  \: 75 + 37 + 68 = 180

I hope that is useful for you :)

3 0
2 years ago
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