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Finger [1]
3 years ago
12

Is 2.45454545454545... a rational or irrational number

Mathematics
2 answers:
pshichka [43]3 years ago
5 0

Answer:

Yes, a repeating decimal is considered a rational number because it can be written as a fraction, so it is rational.

Step-by-step explanation:

geniusboy [140]3 years ago
4 0

Answer:

Step-by-step explanation:

Well if that’s the whole answer than it’s fine but i’m sure you don’t want to write that out so just round it to 2

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A moving company charges a base fee of $280 for a move plus $50 per hour of time. If H represents the number of hours of time, a
Gekata [30.6K]
C = 280m + 50H
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6 0
3 years ago
Describe a sequence of transformations that will carry ABC onto DEF.
Mice21 [21]

Answer:

The sequence of transformations that maps ∆ABC to ∆A′B′C′ is a reflection across the line y = x followed by a translation 10 units right and 4 units up. Thus, the correct answer is (1) y = x and (2) 10 units to the right and 4 units up.

Step-by-step explanation:

7 0
3 years ago
URGENT PLEASE HELP Select the correct solution set. x + 17 ≤ -3 {x | x ≤ -20} {x | x ≤ 14} {x | x ≥ -20}
grigory [225]

Answer:

The correct answer is the first solution set.

Step-by-step explanation:

If we substitute -20 into the equation we get

-20+17≤-3

-3≤-3

So,the inequality is right.

We can check the second one

14+17≤-3

31≤3 The inequality is false.

We can check the last one

-20+17≤-3

-3≤3 It works however there is a difference between the first one and the last one and that is the sign.For the first one there x≤-20 meaning the greatest number x can be is -20.For the last one x≥-20 which means -20 is the least value x can be.

If we substitude -21 into the equation we get

-21+17≤-3

-4≤-3

The inequality is false because -4 is not smaller than -3.

So,the right answer is the first solution set.

7 0
3 years ago
Please help me with this anyone I beg
Ilia_Sergeevich [38]

Answer:

A)336

B) In how many ways can you arrange 8 people in 3 different chairs?

C) 21

D) You want to buy 3 cartoon books from a book store that has 7 cartoon books. In how many ways can you select?

Step-by-step explanation:

A) P(n, r) = P(8, 3)

Formula for permutation is;

P(n, r) = n!/(n - r)!

P(8, 3) = 8!/(8 - 3)!

P(8, 3) = (8 × 7 × 6 × 5!)/5!

5! will cancel out to give;

P(8, 3) = (8 × 7 × 6)

P(8, 3) = 336

B) In how many ways can you arrange 8 people in 3 different chairs?

C) C(n, r) = C(7, 2)

Formula for combination is;

C(7, 2) = n!/(n - r)!r!

Thus;

C(7, 2) = 7!/(7 - 2)!2!

C(7, 2) = (7 × 6 × 5!)/(5! × 2 × 1)

5! will cancel out to give;

C(7, 2) = 7 × 6/2

C(7, 2) = 21

D) You want to buy 3 cartoon books from a book store that has 7 cartoon books. In how many ways can you select?

8 0
2 years ago
Solve this Ka=v-w for a
Tanya [424]
The answer would be a = v-w/k
7 0
3 years ago
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