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vazorg [7]
3 years ago
7

Which of the following sets contains the fewest numbers?

Mathematics
1 answer:
agasfer [191]3 years ago
4 0

Answer:

<h2>Irrational numbers have a few set of numbers</h2>

Step-by-step explanation:

Irrational numbers

This means all numbers that cannot be expressed as a simple fraction they are a set of special numbers

1. Integers are number from 1,2,3 to infinity plus their negatives also, hence the list is endless

2. Rational numbers are numbers that exist from the division of two numbers example 7/5 this is a fraction in which 7 is the numerator and 5 is denominator

3. Natural numbers, all positive counting numbers the list is also endless

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Let A = { x ∈ R : x 2 − 5 x + 4 ≤ 0 } , B = (3 , 5), and C = (3 , 4]. Show that A ∩ B = C . (Recall, you must show two separate
kolbaska11 [484]

Answer:

You can proceed as follows:

Step-by-step explanation:

First solve the quadratic inequality x^{2}-5x+4\leq 0. To do that, factorize, then we have that (x-4)(x-1)\leq 0. This implies that

x-1\leq 0\, \text{and}\, x-4\geq 0

or

x-1 \geq 0\, \text{and}\, x-4\leq 0

In the first case the solution is the empty set \emptyset. In the second case the solution is the interval 1\leq x \leq 4. Now we have that

A=[1,4]

B=(3,5)

C=(3,4].

To show that A\cap B\subseteq C consider x\in A\cap B. Then 1\leq x \leq 4\, \text{and}\, 1, this implies that 3, then x\in C. Now, to show that C\subseteq A\cap B consider x\in C, then 3, then 1\leq x \leq 4\, \text{and}\, 3, then x\in [1,4] \, \text{and}\, x\in (3,5), this implies that x\in A\cap B.

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7 0
3 years ago
Look at the picture below that is the question
love history [14]

Answer:

12

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Pls help I’ll mark u if ur right
lawyer [7]

Answer:

dividing by 1000

Step-by-step explanation:

3 0
2 years ago
Heeeeelp meeee ☺
neonofarm [45]
Hope this helped you :)

4 0
3 years ago
Calculate the following expressionusing the order of operations. show all steps( do not combine more than two numbers together a
Neko [114]

Answer: 204\frac{2}{5}

Step-by-step explanation:

Given the following expression:

(\frac{7}{15}+\frac{125}{9})^2-16(\frac{0.25}{2})

You can follow these steps in order to solve the exercise:

1. You need to solve the operations inside the parentheses:

- Add the fractions. Since they have different denominators, you have to find the Least Comon Denominator (LCD):

15=3*5\\9=3*3=3^2\\LCD=5*3^2=45

- Solve the division divididing the numerator 0.25 by the denominator 2.

Then, you get:

(\frac{(3)(7)+(5)(125)}{45})^2-16(\frac{0.25}{2})\\\\(\frac{646}{45})^2-16(0.125)

2. Solve the exponent:

\(\frac{417,316}{2,025}-16(0.125)

3. Solve the multiplication:

\(\frac{417,316}{2,025}-2

4. Solve the subtraction:

\(\frac{417,316-(2,025)(2)}{2,025}=\frac{413,266}{2,025}\approx204.08

5. Since :

0.8=\frac{2}{5}

You can write the result as a mixed fraction:

=204\frac{2}{5}

7 0
3 years ago
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