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lorasvet [3.4K]
3 years ago
13

How many whole numbers are less than n+1

Mathematics
1 answer:
andreev551 [17]3 years ago
6 0

Answer:

n.

Step-by-step explanation:

Assuming that n \in Z^{+}, then all number less than n+1 are

n+1-1=n

Notice that the "plus one" indicates that the whole number shown by the expression n+1 indicates a whole number greater than n\\ by one unit. So, we just subtract one whole unit to achive a number less than the given expression.

Therefore, the answer is n.

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You roll a pair of number cubes.What is the probability of getting even numbers on both cubes?
andreev551 [17]

Answer:

1/4 or 25%

Step-by-step explanation:

Let's see, we want to know probability of an event in which we roll two even numbers.

"We know that probability is defined as number of desired outcomes divided by all possible outcomes"

e - even number

o - odd number

our desired outcome: (e, e) total of 1

all possible outcomes: (e, e), (e, o), (o, e), (o,o) total of 4

that gives us 1/4

8 0
3 years ago
7(1-2x)=-x+33<br>solve with every step
Gelneren [198K]

7(1 - 2x) = -x + 33

Distribute 7 inside the parentheses.

7 - 14x = -x + 33

Subtract 7 from both sides.

-14x = -x + 26

Add x to both sides.

-13x = 26

Divide both sides by -13.

x = -2

6 0
3 years ago
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Cindy plans to shop for her school supplies and wants to know how much money she would need to spend. from her friend she knows
vlabodo [156]

Let the cost of 1 notebook be x and the cost of 1 binder be y.

4 notebooks and 3 binders would cost 23.5

Therefore, 4x + 3y = 23.5     (1)

7 notebooks and 6 binders would cost 44.5

Therefore, 7x + 6y = 44.5     (2)

Multiply the first equation by 2.

8x + 6y = 47     (3)

(3) - (2) gives

x = 2.5

Substitute the value of x in (1), we get,

4(2.5) + 3y = 23.5

10 + 3y = 23.5

3y = 23.5 - 10

3y = 13.5

y = 13.5/3

y = 4.5

Hence, cost of 5 notebooks and 3 binders is:

5x + 3y = 5(2.5) + 3(4.5)

           = 12.5 + 13.5

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Hence, cost of 5 notebooks and 3 binders is $26.

4 0
3 years ago
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makvit [3.9K]

Answer:

D. 720cm squared is the answer

8 0
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Can someone please help me with these 2 math questions!
kondaur [170]

Step-by-step explanation:

The additional information is GD ≅ CD

 The additional information is ∠LQR ≅ ∠PQR

SSS ⇒ 3 sides in the 1st Δ ≅ 3 sides in the 2nd Δ

SAS ⇒ 2 sides and including angle in the 1st Δ ≅ 2 sides and including angle in the 2nd Δ  

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