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jenyasd209 [6]
3 years ago
5

Which of the following sets is equal to {1,2,3...}?

Mathematics
1 answer:
UkoKoshka [18]3 years ago
3 0
<span>{x | x ∈ N, x ≥ 1} means: 
X where X is in the set (∈) of (N)atural number (counting numbers, 1, 2, 3, 4, etc) where X is greater than or equal to 1. This is your guy. 
The R is for real numbers, and that would be 1, all the numbers between 1 and 2 (like 1.33 repeating, the square root of 3, 1.7, etc), 2, all the numbers between 2 and 3, 3, all the numbers between 3 and 4</span>
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What is the approximate length of the diagonal of a square with side length of 20 centimeters
zhuklara [117]
Answer:28.28 cm

Explanation:

a² + b² = c²

20² + 20² = c²

c² = 400 + 400

c² = 800

c = √800

c = 28.28 cm
5 0
4 years ago
Read 2 more answers
Which are the solutions of the equation x^2+4x+4=25
pav-90 [236]
I think the answer is 3,-7
8 0
3 years ago
Write the equation of a line that is perpendicular to y=-2/7x + 9 and that passes through the point (-4,6) [FP]​
siniylev [52]

Answer:

$y=(7/2)x+20$

Step-by-step explanation:

SInce the gradient of the first line is $-2/7$ then the gradien of the perpendicular line is $7/2$.

Therefore by the point slope formula the line that we are looking for is

$y-6=(7/2)(x+4)$

$y=(7/2)x + 20$

7 0
3 years ago
Please what the answer is?
gulaghasi [49]

Answer:

26

Step-by-step explanation:

Took test

3 0
3 years ago
how can you use distributive property to write an expression equivalent to the one given above? Use reasoning to explain how you
Anit [1.1K]

The reason how the expression are equivalent given below:

<h3>What is Distributive Property?</h3>

Multiplying a number by a sum or difference is the same as multiplying by each number in the sum or difference and then adding or subtracting.

The Complete question is:

How can you use distributive property to write an expression equivalent to the one given above? Use reasoning to explain how you know the expressions are equivalent.

Distributive property represents distribute the outside number among the number or digits in parenthesis.

For Example: Solve the expression 7(20 + 3) using the distributive property of multiplication over addition.

When we solve the expression 7(20 + 3) using the distributive property,

we first multiply every addend by 7.

This is known as distributing the number 7 amongst the two addends and then we can add the products.

This means that the multiplication of 7(20) and 7(3) will be performed before the addition.

Hence,  7(20) + 7(3) = 140 + 21 = 161.

Learn more Distributive Property here:

brainly.com/question/5637942

#SPJ1

8 0
2 years ago
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