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tresset_1 [31]
2 years ago
7

A bit confused to be honest :(

Mathematics
2 answers:
Luden [163]2 years ago
3 0
X = 110 degrees

Explanation: we know that the sum of all angle measures will have to equal 360 degrees . By using simple algebra (128+40+82+x = 360) we can determine 360-250=110 degrees

gogolik [260]2 years ago
3 0

Answer:

x = 110

Step-by-step explanation:

360 = 128 + 40 + 82 + x

360 = 250 + x

360-250 = x

110 = x

to know the total value of all sides

(n-2)×180 ÷ n

n= total of sides

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Determine whether the given procedure results in a binomial distribution​ (or a distribution that can be treated as​ binomial).
MArishka [77]

Answer:

B. ​No, because the trials of the experiment are not independent and the probability of success differs from trial to trial.

Step-by-step explanation:

The first criterion of a binomial distribution is a fixed number of trials.  Selecting 5 senators means the number of trials is 5, which is a fixed number.

The next criterion is that the trials must be independent.  Selecting the senators without replacement means the trials are dependent, not independent; this means that this is not a binomial distribution.

5 0
3 years ago
Danny brought a car for £10000 the value of the car depreciated by 20% in the first year then the value of the car depreciated b
Levart [38]

£7200

In first year depreciates by 20%, that is it is worth 80% of it's original value

80% = \frac{80}{100} = 0.8

value after 1 year = 0.8 × £10000 = £8000

In the second year it depreciates by 10% of it's value, that is it is worth 90% of it's value at the end of the first year.

90% = \frac{90}{100} = 0.9

value after 2 years = 0.9 × £8000 = £7200


6 0
3 years ago
The quotient of 18 and a number a
irina [24]

Answer:

18÷n or 18a

Step-by-step explanation:

8 0
3 years ago
Polygon X is similar to polygon Y. Polygon X is 1/2 the size of polygon Y. the perimeter of polygon X is 196. What is the perime
lesantik [10]

Sorry i dont know this one

5 0
3 years ago
Read 2 more answers
Marcos is mixing a solution in science class. He is mixing 3 ounces of food coloring with every 8 ounces of water. If he wants a
jonny [76]

Answer:

With the 24 ounces of water he would have 9 ounces of food coloring.

Step-by-step explanation:

For ever 8 ounces of water there is 3 ounces of food coloring so if there is 24 ounces of water that mean there is 3 times the original starting amount. So 8x3=24 so there is 24 ounces of the water. Since the8 got multiplied by 3 that means the 3 we haven't used yet will get multiplied by 3 as well so we can find the answer. So 3x3=9. That means we would have 9 ounces of food coloring with the 24 ounces of water.

7 0
3 years ago
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