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umka2103 [35]
3 years ago
14

Question 4 || quick please

Mathematics
1 answer:
Alex777 [14]3 years ago
8 0

Answer:

Ah I-ready. I think maybe the second one

Step-by-step explanation:

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Which is equivalent to 80% ?
Katen [24]

Answer:

d 4/5

Step-by-step explanation:

is the best answer of d 4/5

3 0
3 years ago
Read 2 more answers
Use summation notation to express each of the following calculations Add the scores and square the sum O 2(SX) Square each score
iragen [17]

a)

Add the score and then square the sum.

By using the summation notation we can write the above statement is (Σx)²

b)

Square each score and then add the squared values.

By using the summation notation we can write the above statement is Σx²

Subtract 2 point from each score and then add the resulting values.

By using the summation notation we can write the above statement is  Σ(x-2)

Subtract 1 point from each score and square the resulting values. Then add the squared values.

By using the summation notation we can write the above statement is Σ(x-1)²

7 0
4 years ago
Three components are randomly sampled, one at a time, from a large lot. As each component is selected, it is tested. If it passe
satela [25.4K]

Answer:

The probability of SFS and SSF are same, i.e. P (SFS) = P (SSF) = 0.1311.

Step-by-step explanation:

The probability of a component passing the test is, P (S) = 0.79.

The probability that a component fails the test is, P (F) = 1 - 0.79 = 0.21.

Three components are sampled.

Compute the probability of the test result as SFS as follows:

P (SFS) = P (S) × P (F) × P (S)

            =0.79\times0.21\times0.79\\=0.131061\\\approx0.1311

Compute the probability of the test result as SSF as follows:

P (SSF) = P (S) × P (S) × P (F)

            =0.79\times0.79\times0.21\\=0.131061\\\approx0.1311

Thus, the probability of SFS and SSF are same, i.e. P (SFS) = P (SSF) = 0.1311.

7 0
4 years ago
The number 0.7777 repeats forever therefore it is irrational true or false?
DochEvi [55]

Answer:

It's false, this number is a rational number.

Step-by-step explanation:

It's false, the kind of decimal where the same digits repeats forever are known as periodic decimals and they can be represented with fractions therefore they are a part of the rational numbers. To represent this number in a fraction form we need to first identify the part that repeats, in this case it's 7, since it's only one number we can insert it in the numerator and the denominator will have a 9, if it were two numbers the denominator would have a 99 and so on. So in this case:

7/9 = 0.7777...

4 0
3 years ago
I don't know how to do this please help
Reika [66]
Well, first you need to know how many pints go into a quart then with the left over pints that don't make a quart go into the other box. Now I don't have the conversions on hand but you could probably look it up.
4 0
3 years ago
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