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Ghella [55]
3 years ago
14

Is 91.1 a irrational number​

Mathematics
2 answers:
Andru [333]3 years ago
7 0

Step-by-step explanation:

Nope! 91.1 a rational number because it's terminating upto 1

artcher [175]3 years ago
7 0

Answer:

No, 91.1 is  rational number

Step-by-step explanation:

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A boy named Tyler is paid $25 a day plus $0.25 cents for every newspaper he delivered. After his first day of work, he was paid
DerKrebs [107]

Step-by-step explanation:

equation:

25 + .25x = 225

solution:

.25x = 200

x = 800 newspapers

8 0
3 years ago
Write as a product 27a^3−(a−b)^3
jarptica [38.1K]

Answer:

  (2a +b)·(13a^2 -5ab +b^2)

Step-by-step explanation:

The factorization of the difference of cubes is a standard form:

  (p -q)^3 = (p -q)(p^2 +pq +q^2)

Here, you have ...

  • p = 3a
  • q = (a-b)

so the factorization is ...

  (3a -(a -b))·((3a)^2 +(3a)(a -b) +(a -b)^2) . . . . substitute for p and q

  = (2a +b)·(9a^2 +3a^2 -3ab +a^2 -2ab +b^2) . . . . simplify a bit

  = (2a +b)·(13a^2 -5ab +b^2) . . . . . . collect terms

6 0
4 years ago
(x2−1)(x+1)≥0. pls help me​
docker41 [41]

Step-by-step explanation:

(x²-1)(x+1)≥0

As it has two multiples,

Therefore,

Either,

x²-1≥0

x²≥0+1

x²≥1

x≤√1

x≤1

Or,

x+1≥0

x≥-1

7 0
3 years ago
consider this expression 7+3.4+2 what movements does this represent for Cecil walking on his tightrope? draw a diagram to show h
Lina20 [59]

Ok let me start it from here.

you are studying about properties of natural numbers or whole number or may be integers.

So , In this  Question you have to follow property of addition of integers.

⇒7+3=( You are at the point 7 on the number line or on the tight rope , you are moving (+3) on the right direction.) So you will reach at 7+1+1+1=10

⇒4+2=( You are at the point 4 on the number line or on the tight rope , you are moving (+2) on the right direction.) So you will reach at 4+1+1=6

In first case Cecil has taken total walk of 10 units and in second case Cecil has taken a walk of 10 units.

5 0
3 years ago
What are TWO different ways you know when you are finished dividing?
vfiekz [6]
You know you are finished dividing when you can no longer simply & when you plug it back in to check the answer
7 0
3 years ago
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